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Hanna Instruments HI 98140N Waterproof pH Meter with Smart Electrode and Log-On-Demand Review
The HI 98140N waterproof pH meter for measuring pH and temperature uses Hanna’s smart electrode technology that stores calibration data, a log on demand feature for storing up to 500 samples, and includes the HI 1618D PEI body, pre-amplified pH electrode, which has an internal temperature sensor, DIN connector and a 1 m (3.3’) cable for reaching test sites. The HI 98140N meter features the Hanna battery error prevention system (BEPS), which alerts the user when low battery power could produce erroneous readings, and has a user-set auto off function that can be disabled.
The tester provides fast and accurate pH and temperature readings and features a large easy-to-read LCD screen, automatic temperature compensation (ATC) from -20 to 120 degrees C or -4 to 248 degrees F, and automatic calibration (up to three points with two custom buffers and seven memorized buffers: 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45). The meter also has on-screen tutorials on its large backlit LCD screen, and a user-selectable “calibration time out”, and comes with a USB connection for connecting the meter to a PC to download data.
The HI 98140N tester measures temperatures of -20.0 to 120.0 degrees C (-4.0 to 248.0 degrees F) + or - 0.2 degrees C (+ or – 0.4 degrees F); RH max 100% with resolution + or - 0.1 degrees C (+ or – 0.1 degrees F), and has a range of -4.00 to 20.00 pH (+ or - 0.1; 0.01) with a resolution of 0.1; 0.01 pH. Power is supplied through (3) 1.5V AAA batteries, which provide up to 200 hours of continuous use without the backlight (50 hours with the light on). At 185 x 72 x 36 mm (7.3 x 2.8 x 1.4’’) and 300 g (10.6 oz.), the 98140N is a conveniently sized meter for taking measurements in the field.
pH testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists.
Hanna Instruments manufactures a wide variety of analytical instrumentation, including pH meters, multi-parameter meters, electrodes, chemical reagents, and buffer solutions. Founded in 1978, Hanna is headquartered in Woonsocket, RI, with subsidiaries in 32 countries. Hanna Instruments holds many firsts in the field of analytical instrumentation, including a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester. To ensure the quality of its products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.
What’s in the Box?
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Oakton WD-35801-00 12mm Single-Junction Epoxy Body Gel-Filled pH Electrode, Standard, 0 - 12 pH Range Review
The Oakton WD-35801-00 is a single-junction, 12-mm, gel-filled, pH electrode, with an epoxy body, and standard, 0-12 pH range. This electrode measures the pH of a solution. It is commonly used for field, clean water and general-purpose use. The electrode features an epoxy body for impact resistance and durability, and a single-junction, for general-purpose applications. It has a pin-type junction for low electrolyte flow and longevity. The electrode houses a gel-filled electrolyte, inside of its reference chamber, to enhance performance. It comes with a protective electrode storage bottle to prevent damage.
The 35801-00 electrode has a temperature range 0 to 70 degrees C (32 to 158 degrees F), uses a silver-chloride (AgCl) reference solution, and has a 12 mm diameter. It features a 3-foot cable (included), and is intended for use with any Oakton pH meter.
pH testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists in hydroponics, aquaculture, agriculture and wine-making.
Oakton Instruments manufactures an array of scientific instruments for research, industrial, and educational uses. Since 1991, Oakton has distributed a wide variety of instruments such as meters, electrodes, and transmitters. Oakton is based in Vernon Hills, IL, and has facilities in Europe, Asia, and China.
What’s in the Box?
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Hanna Instruments HI 98128W pH and Temperature Tester with Solutions for Wine Review
The Hanna Instruments HI 98128W is a hand-held pH and temperature meter with automatic calibration, a replaceable electrode, automatic temperature compensation, a stability indicator, and an LCD screen. The meter provides readings from -2.00 to 16.00 pH (+ or - 0.1), with a resolution of 0.01 pH. It is designed for wine and beverage making, but can be used for other applications.
The HI 98128W meter features automatic calibration with two sets of memorized buffers (pH 4.01/7.01/10.01 or pH 4.01/6.86/9.18), and automatic temperature compensation (ATC) for ease of use. An internal stability feature indicates when to take a reading, and a hold function allows the user to freeze the display to record results. The meter floats if dropped in liquid, and features a replaceable HI 73127 pH electrode to prolong the life of the meter. Four 1.5V batteries are included, and provide approximately 3,000 hours of continuous use.
The HI 98128W tester measures temperatures of -5 to 60 degrees C (23 to 140 degrees F), + or - 0.5 degrees C (+ or - 1 degree F) with maximum relative humidity (RH) of 100% with resolution 0.1 degrees C (0.1 degrees F), and has a range of -2.00 to 16.00 pH (+ or - 0.1) and resolution of 0.01 pH. Operating temperature range is -5 to 50 degrees C (23 to 122 degrees F). The meter measures 63 x 40 x 26 mm/6.4 x 1.6 x 1.0 inches (H x W x D) and weighs 100 g (3.5 oz.). (H is the vertical distance from lowest to highest point; W is the horizontal distance from left to right; D is the horizontal distance from front to back.)
pH testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists.
Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) 9001 standards.
What’s in the Box?
Hanna Instruments HI 98121 Combination pH and ORP Temperature Tester Review
The HI 98121 pH/ORP/Temperature Tester is a waterproof combination pocket pH, Oxidation Reduction Potential (ORP), and temperature tester with a replaceable electrode and a non-clogging, replenishable fiber junction.
The meter features a large LCD screen for readability, an ergonomically designed waterproof casing, and automatic temperature compensation to eliminate the need for additional calculations. It has a replaceable electrode and renewable reference junction, which helps prolong the life of the tester.
The HI 98121 tester functions in temperatures of -5.0 to 60.0 degrees C/23.0 to 140.0 degrees F (+ or - 0.1 degrees C / 0.1 degrees F), and has a range of -2.00 to 16.00 pH (+ or - 0.05) with a resolution of 0.01 pH. The meter can be calibrated at one or two points for pH with auto-buffer recognition, and against five memorized buffer values. For ORP (Oxidation Reduction Potential) readings, the tester has a range of + or - 1000mV (+ or - 2) with a resolution of 1mV and automatic factory set calibration. Dimensions are 163 x 40 x 26 mm (6.4 x 1.6 x 1.0"), with weight 100 g (3.5 oz.).
pH testers measure the acidity or alkalinity of a substance and are commonly used by researchers, manufacturers, and hobbyists.
Hanna Instruments manufactures a wide variety of analytical instrumentation, including pH meters, multi-parameter meters, electrodes, chemical reagents, and buffer solutions. Founded in 1978, Hanna is headquartered in Woonsocket, RI, with subsidiaries in 32 countries. Hanna Instruments holds many firsts in the field of analytical instrumentation, including a pH electrode with a built-in temperature sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester. To ensure the quality of its products, Hanna is a vertically integrated manufacturer and does not subcontract any part of its manufacturing.
What’s in the Box?
Oakton pH 110 Meter With Two Electrode Holders And Software Review
The Oakton 35615-22 pH 110 is a handheld meter that has push-button, five-point calibration and comes with an all-in-one pH/temperature probe, two electrode holders, and software. A portable meter is commonly used to measure the pH, mV, and temperature of substance in water treatment and swimming pools and in hydroponics, aquaculture, and educational applications.
This meter features two electrode holders for one-handed use, and ATC for accurate readings, push-button capabilities up to five points, and auto-buffer recognition of US, National Institute of Standards and Technology (NIST) and Deutsches Institut für Normung (DIN) standards for ease of use. It has a dual-screen digital LCD display to view pH, mV, and temperature, a hold function for reading and recording data, and an auto-off function for automatic shut-off after a period of nonuse. The meter has the ability to recall up to 100 data sets and comes with Oakton CyberComm Data Acquisition Software (DAS) to organize data to import into spreadsheet programs.
The 35615-22 pH 110 has an operating temperature of 0 to 50 degrees C (32 to 122 F) and buffer recognition standards USA: 1.68, 4.01, 7.00, 10.01, 12.45; NIST 1.68, 4.01, 6.86, 9.18, 12.45; DIN 1.09, 3.06, 4.65, 6.79, 9.23, 12.75; PWB 4.10, 6.97. pH range -2.00 to 16.00, resolution 0.01 and 0.1 pH, accuracy + or - 0.01. MV range + or - 2000 (same for relative mV), resolution 0.1 + or - 399.9 mV, 1 mV beyond, accuracy + or - 0.2 + or - 399.9 mV 2 mV beyond. Temperature range -10.00 to 110.0 C (14 to 230 F), resolution 0.1 degree C, accuracy + or - 0.5 degree C. Computer requires a 386 and above that can run MS Windows 95 or higher, CD ROM drive hard disk w/ ~ 500 KB free disk space, EG monitor or above and 9-pin serial port connecting cable. It has an RS-232, 9-pin female output connector. Its dimensions are 7.50 (l) x 3.5 (w) x 1.75 (d) inches and it weighs 1.0 lb. The meter works with four 1.5-V AAA batteries (not included) or 9-V, 500 mA, and an AC adapter (not included) for up to 600 hours of continuous use.
pH testers measure the acidity or alkalinity of a substance and are commonly used for water-testing, and to analyze biological samples in hydroponics, aquaculture, and agriculture.
Oakton Instruments manufactures an array of scientific instruments for research, industrial, and educational uses. Since 1991, Oakton has distributed a wide variety of instruments such as meters, electrodes, and transmitters. Oakton is based in Vernon Hills, IL, and has facilities in Europe, Asia, and China.
What’s in the Box?
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