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pH Testing

The pH is a measure of how strong the acids are in relation to all of the other compounds in a wine or must. The lower the value, the more strongly acidic the sample will be; i.e: a pH of 3.3 will be more acidic than 3.9. In winemaking, most pH values will be between the 3.0 and 4.0 ranges, with most of the focus happening in the range of tenths between these two ends ("3._pH"). While the TA will tell you how much physical acid there is in the wine or must, the pH tell you how this acidity will be perceived.

How To Test pH:
You test the pH using a specialized tool called a pH meter. The pH meter should be calibrated using a set of pH buffer solutions. Once calibrated, all that is needed to test the pH of wine or must is to insert the probe into the sample and slowly stir until the reading on the meter stabilizes. That's it!

Some Useful Info About pH:

  • Unlike TA testing and adjusting, pH adjustments are not linear; if you add 1 g/L of acid to a wine or must you now have exactly 1 more g/L of acid in solution and a TA test will confirm this. However, if you add 1 g/L of Potassium Carbonate to a wine or must the reaction will vary from wine to wine and the pH will not shift in a linear, predictable fashion. This is why any attempt to adjust the pH should start with a bench trial!
  • pH units are logarithmic; a pH of 3.0 is ten times more acidic than a pH of 4.0. So beware, a little shift goes a long way.
  • The effectiveness and amount of free SO2 needed to protect our wines is directly tied to wine pH: lower pHs require less free SO2, and higher pHs require more free SO2 to achieve the same amount of protection. Note: at pH 3.8 and higher, it is not chemically possible to maintain the amount of free SO2 in the wine that is technically required to protect it. So, if your wine has a high pH, then we highly recommend adjusting the pH down (using tartaric acid).

Everything you need to know to get the most out of your pH meter can be found in MoreWine!s Use and Care of a pH Meter Manual. In addition, complete information on adjusting pHs, conducting bench trials, and pH/SO2 management can be found in our Red Winemaking Manual and our White Winemaking Manual.

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35 products

  • Replacement Electrode for MT682 & MT694 (Hanna# HI 1048B)

    Hanna Replacement Electrode for MT682 & MT694 (Hanna# HI 1048B)

    The HI1048B is a glass body, refillable, sleeve junction pH electrode with a BNC connector. This electrode features a double junction reference, Hanna's Clogging Prevention System (CPS) technology and spherical glass sensing bulb made with general purpose glass. This pH electrode is ideal for wine must and juice due to their high solids content that would clog a standard general purpose pH electrode. Clogging Prevention System (CPS™) Technology Refillable Electrode Double Junction Design Hanna Instruments offers a wide variety of pH electrodes that are designed for many different applications. The type of glass used for sensing pH, bulb shape, body material, type of junction, type of reference and electrolyte used are just some of the design considerations.   The HI1048B uses general purpose (GP) glass, spherical bulb, glass body, sleeve junction with CPS™ technology, double junction and is refillable with 3.5M KCl, making it ideal for wine must, juice, and other samples with a high solids content.   General Purpose Glass Formulation General Purpose (GP) glass, as the name implies, is a standard glass formulation that is used for general use. A pH electrode with GP glass will have a resistance of 100 megaohms at 25°C and is suited for measuring the pH of samples that are at ambient temperatures. The HI1048B is suitable to use with samples that measure from 0 to 80°C.   Spherical Glass Tip The spherical shaped tip design allows for a wide area of contact with the measured sample. This permits a faster electrode response with a higher degree of stability.   CPS Sleeve Junction Clogging Prevention System (CPS) technology is an innovation in for the improvement of pH measurements in samples that have a high solids content. Conventional pH electrodes use ceramic junctions that can clog quickly when used in samples that have a high solids content such as wine must or juice. When the junction is clogged, the electrode does not function. CPS technology utilizes the porousness of ground glass coupled with a PTFE sleeve to prevent clogging of the junction. The ground glass allows the proper flow of the liquid, while the PTFE sleeve repels solids. As a result, pH electrodes with CPS technology take up to 20 times longer to be fouled as compared to conventional electrodes.   Double Junction Reference A double junction electrode has an internal compartment surrounding the reference wire. Silver ions are present in the electrolyte of the internal compartment, which houses the Ag/AgCl reference wire; the electrolyte outside this compartment is silver free. The double junction design means that virtually no silver from the electrode enters the sample. This design allows measurement in applications where silver ions in the sample are undesirable or for samples that contain sulfides that can cause the silver to precipitates and clog the junction. The clogging of the junction will result in drifty and erratic readings.   Refillable The HI1048B is a refillable probe. Since it is a double junction pH electrode, the fill solution is the HI7082 3.5M KCl. This solution does not contain any silver as with single junction electrode fill solutions.   Glass Electrode Body The glass body is ideal for laboratory use. The glass is resistant to many harsh chemicals and is easily cleaned. The glass body also allows for a fast transfer of heat to the internal reference electrolyte. The mV generated by the reference cell is temperature dependent. The faster the equilibrium the steadier the reference potential.   BNC Connector The HI1048B has a BNC connector. This type of connector is universal in that it can be used on any pH meter that has a female BNC probe input. Other types of connectors include DIN, screw type, T-type, and 3.5mm to name a few. These types of connectors tend to be proprietary for a particular type of meter and are not interchangeable.   Single Junction Versus Double Junction pH Electrodes Conventional electrodes are normally single junction. As depicted by the figure above, these electrodes have only a single junction between the internal reference wire and the external solution. Under adverse conditions, such as high pressure, high temperature, highly acidic or alkaline solutions, the positive flow of the electrolyte through the junction is often reversed resulting in the ingress of sample solution into the reference compartment. If this is left unchecked, the reference electrode can become contaminated, leading to complete electrode failure. Another potential problem with single junction electrodes is the clogging of the junction due to silver chloride (AgCl) precipitation. Silver can be easily precipitate in samples that contain Tris buffer or heavy metals. When the electrolyte solution makes contact with the sample, some AgCl will precipitate on the external face of the junction. The result is drifty readings obtained from the sensor.   Hanna’s double junction system, as the name implies, has two junctions, only one of which is in contact with the sample as shown in the figure. Under adverse conditions, the same tendency of sample ingress is evident. However, as the reference electrode system is separated physically from the intermediate electrolyte area, the contamination of the electrode is minimized. The likelihood of clogging of the junction is also reduced with a double junction electrode since the outer reference cell uses a fill solution that is “silver-free”. Since there is no silver present, there is no precipitate forming to clog the junction. Able to measure samples 0 - 80C Glass body, refillable sleeve junction PH electrode with a BNC connector Features a double junction reference with Hanna's Clogging Prevention System (CPS) technology and spherical glass sensing bulb made with general purpose glass Ideal for wine must and juice due to high solid content that would clog a standard general purpose PH Electrode  

    $264.00

  • Replacement Electrode for MT617 (Milwaukee# MA917B/1) Replacement Electrode for MT617 (Milwaukee# MA917B/1)

    Replacement Electrode for Milwaukee MW151 MAX Bench Meter

    Double Junction, refillable glass electrode with BNC connector and 1m cable. Replacement for the electrode that is included with the Milwaukee MW151 MAX pH/ORP/Temp Logging Bench Meter. The electrode is the consumable portion of the pH meter which actually makes the measurement. All pH electrodes wear out over time and must be replaced. If your meter is having trouble calibrating or the reading drifts then a bad electrode is the likely culprit.   Milwaukee Part Number: MA917B/1  

    $168.60

  • pH Calibration Solution 7.01 (Gallon) pH Calibration Solution 7.01 (Gallon)

    pH Calibration Solution 7.01 (Gallon)

    One gallon of pH Calibration Solution 7.01.  You will want to have both 4.01 and 7.01 solutions on hand to properly calibrate your pH meter.

    $69.99

  • Milwaukee MW151 MAX pH/ORP/Temp Logging Bench Meter (Milwaukee# MW151US) Milwaukee MW151 MAX pH/ORP/Temp Logging Bench Meter (Milwaukee# MW151US)

    Milwaukee MW151 MAX pH/ORP/Temp Logging Bench Meter

    The Milwaukee MW151 MAX 3-in-1 PRO pH/ORP/Temp Bench Logging Meter is preferred by people testing all types of samples viscus or not, in a variety of applications that cause other pH meters and electrodes to fail.  The logging feature allows log-on-demand and log-on-stability features that ensure all readings are accurate and not entered incorrectly. The MA917B/1 Milwaukee double junction electode is refillable and easy to clean.  From brewers and wine makers to hydroponic growers, labs and water treatment, the MW151 MAX is your Bench Logging Meter for fast, accurate readings. Accuracy People choose the MW151 MAX 3-in-1 PRO pH/ORP/Temp Portable Logging Meter to improve the accuracy of their testing program. With up to 5 point calibration and 7 standard buffer choices (2 custom buffers also), the meter can be quickly calibrated to a higher accuracy compared with one or two point calibration. The MW151 MAX meter is accurate to ± 0.002 pH. 8 x more accurate than some alternative meters. The meter comes with a refillable, glass, double junction pH electrode and MA831R temperature sensor allowing the meter to automatically adjust the pH reading for the effect of temperature (ATC). The meter can also be used as a very accurate thermometer with accuracy +/-0.4°C (+/-0.8°F). Low Maitenance The MW151 MAX pH/OPR/Temp Bench Logging Meter comes with the Milwaukee glass, double junction MA917B/1 pH electrode. This is Milwaukee's top selling lab grade electrode for a reason. Designed to be both low maintenance (refillable) and able to withstand more challenging samples (double junction). The MA917B/1 is ideal for use in beer making, winemaking, hydroponics, laboratories and many other applications.  Features: Fast easy-to-read results with large duel level digital LCD readout. Extreme accuracy to ±0.002 pH | +/- 1 mV OPR | +/- 0.4°C (+/-0.8°F).  Extended pH range (-2.00 pH to 20.00 pH / -2.000 to 20.000 pH). Lightweight, sleek design with small benchtop footprint. Simple easy-to-use logging and USB download functions, manual or on stability up to 1,000 logs. Electrode diagnostics feature checks and displays the condition of the pH electrode.  Easy measurement: just place the electode and temperature probe in the sample, gently stir and wait for the reading to stabilize. Simple push button, automatic up to 5 point calibration for increased accuracy. Up to 7 Standard calibration solutions (1.68, 4.01, 6.86,7.01, 9.18, 10.01 and 12.45) and 2 custom choices. Refillable, glass, double junction lab grade pH electrode for low maintenance and high performance with a screw on cap to ensure proper storage. Built-in rechargeable battery with 8 hours battery life (battery included). Selectable Auto-off feature.  Alphanumeric LCD display messages for friendly, intuitive information, warnings and error messages. Internal clock date to keep track of different time-dependent functions (calibration, timestamp,calibration time out). 3 feet probe cables for extra flexibility when testing. Care and Use pH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction. Sensing Bulb The glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes. Reference Junction The reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH electrode will no longer function. You can extend the life of your pH electrode in the following ways. Storage To minimize clogging the pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged. Storing in pH probe storage solution or pH calibration buffers will help address both these issues. Do not store in tap water and DI water. This will damage the sensitivity of the probe. The best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage. Cleaning and Maitenance Residue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution. Also: Inspect the electotrode for damage or scratches, if present replace the electrode. Inspect the cable.  The connection cable and insulation must be intact. Connectors should be clean and dry. Rinse off salt deposits with water or DI water. Calibration The pH sensing bulbs become less sensitive over time so make sure that you are calibrating regularly to keep your PRO Plus pH meter accurate. Also, calibrate after cleaning or a long period of storage. Specifications: pH Range: -2.00 to 20.00 pH / -2.000 to 20.000 pH ORP Range: ±2000.0 mV Temp. Range: -20.0 to 120.00°C (-4.0 to 248.0°F) Resolution: 0.01 pH / .001 pH Resolution: 0.1mV Resolution: 0.1°C / 0.1°F) Accuracy: ±0.01 pH / ±0.002 pH @ 25°C / 77°F Accuracy: ±1mV Accuracy: ±0.4°C |±0.8°F pH Calibration: up to 5 point automatic pH calibration | 7 standard buffers (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) and two custom buffers Temperature Compensation: Automatic, -20.0 to 120.0°C (-4.0 to 248.0°F) or manual pH electrode: MA917B/1 glass, double junction pH electrode (supplied) Temperature probe: MA831R (included) Logging: Maximum 1,000 samples (stored in up to 100 lots) / on demand, 200 samples on stability, 200 samples/ Interval logging, 1000 logs PC Connectivity: 1 USB Port, 1 micro USB port Power supply: 12VDC, 5 VDC USB Adapter (included) Battery life: Approx. 8 hours of use Auto-off: Selectable 5, 10, 30, 60 min. or off Environment: 0 to 50°C / 32 to 122°F; max RH 95% Dimensions: 230 x 160 x 95 mm (9.0 x 6.3 x 3.7 inches) Weight: 0.9 kg / 2.0 lbs.    

    $520.50

  • pH Calibration Solution 4.01 (Gallon) pH Calibration Solution 4.01 (Gallon)

    pH Calibration Solution 4.01 (Gallon)

    One gallon of pH Calibration Solution 4.01 (pink).  You will want to have both 4.01 and 7.01 solutions on hand to properly calibrate your pH meter.

    $69.99

  • Hanna pH Electrode with Clogging Prevention System (CPS™) and BNC Connector (0.5m Cable) (Replacement electrode for HI84502-01) (Hanna# HI1048B/50)

    The HI1048B is a glass body, refillable, sleeve junction pH electrode with a BNC connector. This electrode features a double junction reference, Hanna's Clogging Prevention System (CPS) technology and spherical glass sensing bulb made with general purpose glass. This pH electrode is ideal for wine must and juice due to their high solids content that would clog a standard general purpose pH electrode. Clogging Prevention System (CPS™) Technology Refillable Electrode Double Junction Design Hanna Instruments offers a wide variety of pH electrodes that are designed for many different applications. The type of glass used for sensing pH, bulb shape, body material, type of junction, type of reference and electrolyte used are just some of the design considerations.   The HI1048B uses general purpose (GP) glass, spherical bulb, glass body, sleeve junction with CPS™ technology, double junction and is refillable with 3.5M KCl, making it ideal for wine must, juice, and other samples with a high solids content.   General Purpose Glass Formulation General Purpose (GP) glass, as the name implies, is a standard glass formulation that is used for general use. A pH electrode with GP glass will have a resistance of 100 megaohms at 25°C and is suited for measuring the pH of samples that are at ambient temperatures. The HI1048B is suitable to use with samples that measure from 0 to 80°C.   Spherical Glass Tip The spherical shaped tip design allows for a wide area of contact with the measured sample. This permits a faster electrode response with a higher degree of stability.   CPS Sleeve Junction Clogging Prevention System (CPS) technology is an innovation in for the improvement of pH measurements in samples that have a high solids content. Conventional pH electrodes use ceramic junctions that can clog quickly when used in samples that have a high solids content such as wine must or juice. When the junction is clogged, the electrode does not function. CPS technology utilizes the porousness of ground glass coupled with a PTFE sleeve to prevent clogging of the junction. The ground glass allows the proper flow of the liquid, while the PTFE sleeve repels solids. As a result, pH electrodes with CPS technology take up to 20 times longer to be fouled as compared to conventional electrodes.   Double Junction Reference A double junction electrode has an internal compartment surrounding the reference wire. Silver ions are present in the electrolyte of the internal compartment, which houses the Ag/AgCl reference wire; the electrolyte outside this compartment is silver free. The double junction design means that virtually no silver from the electrode enters the sample. This design allows measurement in applications where silver ions in the sample are undesirable or for samples that contain sulfides that can cause the silver to precipitates and clog the junction. The clogging of the junction will result in drifty and erratic readings.   Refillable The HI1048B is a refillable probe. Since it is a double junction pH electrode, the fill solution is the HI7082 3.5M KCl. This solution does not contain any silver as with single junction electrode fill solutions.   Glass Electrode Body The glass body is ideal for laboratory use. The glass is resistant to many harsh chemicals and is easily cleaned. The glass body also allows for a fast transfer of heat to the internal reference electrolyte. The mV generated by the reference cell is temperature dependent. The faster the equilibrium the steadier the reference potential.   BNC Connector The HI1048B has a BNC connector. This type of connector is universal in that it can be used on any pH meter that has a female BNC probe input. Other types of connectors include DIN, screw type, T-type, and 3.5mm to name a few. These types of connectors tend to be proprietary for a particular type of meter and are not interchangeable. Single Junction Versus Double Junction pH Electrodes   Conventional electrodes are normally single junction. As depicted by the figure above, these electrodes have only a single junction between the internal reference wire and the external solution. Under adverse conditions, such as high pressure, high temperature, highly acidic or alkaline solutions, the positive flow of the electrolyte through the junction is often reversed resulting in the ingress of sample solution into the reference compartment. If this is left unchecked, the reference electrode can become contaminated, leading to complete electrode failure. Another potential problem with single junction electrodes is the clogging of the junction due to silver chloride (AgCl) precipitation. Silver can be easily precipitate in samples that contain Tris buffer or heavy metals. When the electrolyte solution makes contact with the sample, some AgCl will precipitate on the external face of the junction. The result is drifty readings obtained from the sensor.   Hanna’s double junction system, as the name implies, has two junctions, only one of which is in contact with the sample as shown in the figure. Under adverse conditions, the same tendency of sample ingress is evident. However, as the reference electrode system is separated physically from the intermediate electrolyte area, the contamination of the electrode is minimized. The likelihood of clogging of the junction is also reduced with a double junction electrode since the outer reference cell uses a fill solution that is “silver-free”. Since there is no silver present, there is no precipitate forming to clog the junction. Able to measure samples 0-80C Glass body, refillable sleeve junction pH electrode with a BNC connector and a 0.5m cable Clogging Prevention System (CPS) Technology Refillable Electrode Double Junction Design          

    $264.00

  • pH2Go Digital pH Meter by Anton Paar pH2Go Digital pH Meter by Anton Paar

    ph2Go Digital ph Meter | Anton Paar

    Coming soon! The pH2Go by Anton Paar is now available for pre-order. Place your order now and we will ship it to you as soon as it's available. The current estimate availability is late March. Lab-Grade Precision, Portable Size: Achieve ±0.02 pH accuracy in a compact, handheld design. Durable, Glass-Free ISFET Sensor: Eliminates fragile glass electrodes, special storage, and tedious cleaning. IP67-Rated and Intuitive: Performs reliably in harsh, wet, and outdoor environments. Small Sample Volume: Requires only 0.5 mL of sample for precise measurement. Smart. Precise. Portable. pH2Go by Anton Paar delivers lab-grade pH precision in a compact, portable handheld that can be used anywhere with ease. A glass-free, ISFET sensor sidesteps the typical pain points of traditional electrodes - no fragile glass, no special storage, no tedious cleaning. Despite its compact size, pH2Go provides ±0.02 pH accuracy from just 0.5 mL of sample. And with an intuitive, IP67-rated design, it performs reliably in harsh or outdoor environments. Product Highlights ±0.02 pH accuracy from just 0.5 mL sample Glass-free, durable ISFET pH sensor Guided calibration (1 to 5 points) with ATC Fast readings (≈2 s) pH range 0.00–14.00; resolution 0.01 pH Temperature accuracy ±1% Easy to clean & store; Waterproof (IP67) Supports DIN, NIST, JIS & custom buffers Free app (iOS, Android & Web) for data visualization, storage & sharing Suitable for a Broad Range of Applications  Brewing Winemaking Hydroponics Agriculture Aquariums Pools Water & Wastewater Treatment Food Production Dairies Educational Labs Professional Labs Industrial Environments     Measurement Specifications Sensor Glass-free ISFET (Ion Sensitive Field Effect Transistor) Measuring range pH 0 to 14 Accuracy ±0.02 pH Resolution ±0.01 pH Calibration 1-, 2-, 3- and 5-point calibration Automated temperature compensated calibration (ATC) Yes Buffer types DIN, NIST, JIS, custom buffer sets Electrolyte solution gelled KCl Diaphragm porous PTFE Temperature accuracy 1 % Temperature resolution 0.1 °C (0.1 °F) Sample temperature range 0 °C to 80 °C (32 °F to 176 °F)   Device Specifications Sample volume 0.5 mL Dimensions (L x W x H) 108 x 64 x 35 mm (4.3 in x 2.5 in 1.4 in) Weight (incl. batteries) 125 g (0.28 lbs) Power supply 2x AAA 1.5V batteries (included) Enclosure rating IP67 according IEC 60529   Operating conditions Ambient temperature 10 °C to 40 °C (50 °F to 104 °F) Air humidity 5% to 95% relative air humidity, non-condensing Battery lifetime Approx. 10 000 measurements Storage temperature 10 °C to 40 °C (50 °F to 104 °F) Interface BluetoothTM Low Energy Mobile Operating System iOS & Android   Sample area Sample well PSU Diaphragm Porous PTFE Sensor ISFET O-ring FKM Housing PBT/PC  

    $479.00

  • Replacement Temperature Probe For MT609 (Milwaukee# MA830R)

    Replacement Temperature Probe for Milwaukee MW102 pH Meter

    Original Milwaukee replacement thermometer for Milwaukee MW012 Digital pH Meter (MT609). Milwaukee Part Number: MA830R

    $91.00

  • HALO Wireless Wine pH Meter HALO Wireless Wine pH Meter

    Hanna HALO® Wireless Wine pH Meter (Hanna# HI10482)

    Our HALO® for home and craft winemakers has a glass body, spherical tip, and Hanna's Clogging Prevention System (CPS) that resists clogging 20x longer. All readings are transmitted directly to your Apple or Android device or the edge®blu. Take laboratory grade pH and temperature measurements using your smart phone or tablet. Easily connect to the Hanna Lab App at the press of a button via Bluetooth® wireless technology. Group your data by time or notation. Email it for storage or share it with friends or colleagues. The HALO® Wireless Wine pH Meter incorporates Bluetooth® Smart technology with an application-specific design. There are several features that make it ideal for measuring the pH of wine.   General Purpose Glass Formulation General Purpose (GP) glass provides the best response over the entire pH range and can be used for a wide range of applications.   Built-In Temperature Sensor HI10482 features a built-in temperature sensor for temperature measurement and compensation.   Movable CPS Sleeve Junction Clogging Prevention System (CPS) technology was designed for pH measurements in wine juice and must samples that have a high solids content. CPS technology utilizes a ground glass junction that allows proper flow of the liquid with a PTFE sleeve that repels solids. When the HALO become dirty, the PTFE sleeve can be moved to clean the ground glass surface rejuvenating the junction resulting in a 20x longer electrode lifespan.   Real-Time Data Display of pH and temperature updated every second. Readings are automatically saved to a history file every hour, limited only by the available memory on the device.   Fluid, Dynamic Graphing Measurements can be displayed alone on the display, with tabulated data, or as a graph. The graph can be panned and zoomed with pinch-to-zoom technology for enhanced viewing.   GLP (Good Laboratory Practice) Displays date and time of current calibration, offset, and average slope, along with calibrated buffers, mV values, temperature and slopes between each buffer.   Calibration Reminder & Measurement Alarms The Hanna Lab App alerts you when HALO needs calibration or if a measurement threshold is exceeded.   Log & Share Data Saved log files may be annotated with measurement-specific information. Data is easily shared via email in CSV format.   Help & Tutorials Demo mode helps you explore features of the Hanna Lab App. General app information, HALO information, pH tutorial, maintenance tutorial, and contact information are available in help.   HALO® Features/Benefits Connects to Hanna Lab App with a compatible Apple or Android Device via Bluetooth Smart Technology (Bluetooth 4.0) Up to five-point pH calibration with seven standard pH buffers available   Calibration reminder • Alerts you when HALO needs calibration • Appropriate preprogrammed calibration buffer set for application specific Halo pH electrodes   Real-time data • Displays pH and temperature updated every second   Basic Good Laboratory Practice (GLP) • Displays date and time of current calibration along with offset and average slope   Full GLP • Displays date and time of current calibration, offset and average slope along with calibrated buffers, mV values, temperature and slopes between each buffer   Fluid, dynamic graphing • Measurement can be displayed with tabulated data or as a graph. The graph axes may be expanded using pinch-to-zoom technology for enhanced viewing   Measurement alarms • Alerts you if the measurement threshold is exceeded   One button sample tagging • Pressing either the icon in the Hanna Lab App or button on the HALO will tag sample data for easy reference   Data logging with custom annotations • Saved log files may be annotated with measurement specific information • Data is autosaved every hour   Four ways to save and share data: • All data since last autosave • Annotations only • All data within a timed interval • Annotations only within a timed interval • Share data via email in CSV format   Help and tutorials: • Demo mode to help explore features of the Hanna Lab App • General app information • General HALO information • pH tutorial • Maintenance tutorial • Contact information   Compatibility: HALO is compatible with the following devices:   Android Compatible with most devices equipped with Bluetooth Smart Technology (Bluetooth 4.0) and running Android 4.3 or later.   iOS iPad (3rd generation or newer) iPhone (4S or newer) iPod Touch (5th generation or newer)   HI2202 edgeblu Meter   Take laboratory grade PH and temperature measurements using your smart phone or tablet Easily connect to the Hanna Lab App at the press of a button via Bluetooth wireless technology Group your data by time or notation Email it for storage or share it with friends or colleagues Hanna's Clogging Prevention System (CPS) resists clogging 20x longer, monitor data with real time graphing and display        

    $301.00

  • Cleaning Solution for Wine Deposits (25 x 20mL Sachets)

    Hanna Cleaning Solution for Wine Deposits (25 x 20mL Sachets) (Hanna# HI700635P)

    The HI700635P is a highly effective cleaning solution that is specially formulated for use with pH electrodes that become coated with wine juice and must deposits. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement and stored incorrectly. Hanna suggests cleaning the bulb and junction of your electrode on a regular basis to ensure that the probe is always clean and prevent any clogging of the junction. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of cleaning solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. Specially formulated cleaning solution to remove wine deposits from a pH electrode Convenient, one-time use sachets ensure freshness of solution The most common cause for pH measurement inaccuracies is an unclean or improperly cleaned electrode. This is very important to note, because during calibration, the instrument assumes that the electrode is clean and that the standardization curve created during the calibration process will remain a valid reference until the next calibration. pH meters on the market today will allow an offset voltage of approximately ±60 mV. The deviation from 0 mV is not unusual but ideally should be no greater than ±30 mV. The calibration process compensates for the change in offset voltage. If the mV offset continues to deviate and the meter is calibrated with a dirty electrode then inaccurate readings will result.   The Cleaning Solution Series ensures maximum efficiency and accuracy of your sensors when used for it’s designated application. Cleaning is a fast and effective routine that should be performed on a regular basis as a preventative measure against using a dirty electrode and to ensure that the junction is not clogged. The HI700635P is a cleaning solution made specifically for the wine industry, where electrodes can become coated with wine particulates and deposits found in juice and must.and must.   Light block foil packaging • Light-tight packet helps to prevent against degradation by UV light   One-time use sachet packets • Ensures quality and freshness of solution   Each sachet marked with lot number and expiration date • Hanna cleaning solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet. Specially formulated cleaning solution to remove wine deposits from a pH electrode Convenient one-time use sachets ensure freshness of solution Light-tight packet helps to prevent against degradation by UV light      

    $39.00

  • LaMotte - pH TRACER PockeTester

    LaMotte | pH TRACER PockeTester

    LaMotte - pH TRACER PockeTester 1741   Description Nail down your water quality control with the LaMotte pH TRACER PockeTester. This rugged, compact electronic meter provides direct, simultaneous, and highly accurate readings of two of the most critical factors in water analysis. Built for reliable field use, the TRACER allows you to quickly check water status for applications across environmental science, pool and spa maintenance, agriculture, and industrial water treatment. Knowing your exact pH and temperature profile is essential for achieving consistent quality and compliance.   Key Measurements The pH TRACER measures two essential factors critical to water quality:pHTemperature   Features & Specifications Test Factors Range Resolution Accuracy pH 0.00 to 14.00 pH 0.01 pH ±0.01 pH Temperature 32° to 149°F (0 to 65°C) 0.1°F/°C ±1.8°F/°C   Additional Features: Simultaneous pH and Temperature display. 15-reading memory storage. Easy-to-replace flat surface electrode. Understanding Your Measurements Following the structure of the BrewLab Pro kit, here is a detailed breakdown of why these two measurements are vital for water quality control:   pH The chemistry of virtually any water-based system is complex, and the pH level is the single most critical factor that affects countless processes—from chemical reaction rates and nutrient solubility to corrosion and biological activity. In order to consistently achieve optimal quality, compliance, and product consistency, the pH of the sample must be monitored with high resolution and accuracy. The TRACER provides the precision needed for critical decision-making.   Temperature Temperature has a profound, often overlooked, impact on chemical measurements and system stability. Specifically, pH measurements are temperature-dependent, which is why the TRACER automatically utilizes Automatic Temperature Compensation (ATC) to ensure your pH readings are accurate regardless of the sample's temperature. Accurate temperature monitoring is also essential in maintaining ideal conditions for microbial growth, ensuring proper sterilization, and maximizing the effectiveness of chemical reactions across all industrial and environmental applications.

    $185.60

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