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  pH Meters

Ohaus pH Meters
pH Meters
pH Meters are precision laboratory instruments designed to accurately measure the acidity or alkalinity of liquids and solutions in scientific, pharmaceutical, environmental, food, beverage, and industrial applications. Commonly used in laboratories, research facilities, water treatment plants, schools, agricultural environments, and quality control departments, pH meters provide reliable testing for chemical analysis, water quality monitoring, product formulation, and laboratory research. pH Meters are ideal for measuring pH levels in chemicals, beverages, soil samples, wastewater, pharmaceuticals, and biological solutions where accurate and consistent readings are essential. Many models feature digital displays, automatic temperature compensation, calibration functions, portable handheld designs, and advanced data storage capabilities to improve testing efficiency and measurement accuracy. Like Water Quality Applications: pH meters are frequently used in scientific and industrial laboratories to monitor and analyze liquid samples for research, environmental testing, manufacturing processes, and quality assurance procedures requiring precise pH measurement and dependable analytical performance.
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Ohaus AB33M1-F AQUASEARCHER Multi-Parameter Benchtop Meter with ST310 and STCON3 : -2.00 – 20.00 pH;  -5 °C – 110 °C;  -2000.00 – +2000.00 mV
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Price: $889.41
Ohaus ST300C-G Starter Series Portable Water Conductivity Analysis Meter  (30219115)
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Price: $547.41
Ohaus ST400-F Starter Series Portable Waterproof  Water pH Meter - Meter and Electrode
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Price: $587.17
Ohaus ST10 Starter Series Water pH Analysis Pen Meter (30073970)
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Price: $65.25
Ohaus ST400D-G Starter Series Dissolved Oxygen (DO) Meter with STDO21:  0.00 – 20.0 mg/L(ppm);  0 – 50°C
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Price: $1,413.04
Ohaus STDO21 Starter Series Dissolved Oxygen (DO) Probe Cap
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Price: $217.50
Ohaus AB23PH-B AQUASEARCHER pH and ORP Benchtop Meter: 0 – 100°C;  0.00 – 14.00 pH;  -1999 – 1999 mV
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Price: $386.95
Ohaus AB41PH-F AQUASEARCHER Research Grade pH Benchtop Meter with ST410, STTEMP Probe, Stirrer Compact AS20 and pH Buffer Mini Kits: -2.000 – 20.000 pH;  -10.0 °C – 125.0 °C;  -2000.00 – +2000.00 mV
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Price: $1,018.44
Ohaus AB41PH-B AQUASEARCHER Research Grade pH Benchtop Meter : -2.000 – 20.000 pH;  -10.0 °C – 125.0 °C;  -2000.00 – +2000.00 mV
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Price: $898.38
Ohaus AB33PH-B AQUASEARCHER  pH Benchtop Meter : -5 °C – 110 °C;  -2.00 – 16.00 pH;  -2000.00 – +2000.00 mV
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Price: $550.96
Ohaus ST400D-B Starter Series Dissolved Oxygen (DO) Meter: 0.00 – 20.0 mg/L(ppm);  0 – 50°C
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Price: $614.86
Ohaus AB33PH-F AQUASEARCHER  pH Benchtop Meter with ST310 : --5 °C – 110 °C;  -2.00 – 16.00 pH;  -2000.00 – +2000.00 mV
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Price: $624.80
Ohaus AB33M1-B AQUASEARCHER Multi-Parameter Benchtop Meter - -2.00 – 20.00 pH;  -5 °C – 110 °C;  -2000.00 – +2000.00 mV
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Price: $762.45
Ohaus AB33EC-F AQUASEARCHER Conductivity / TDS / Salinity / Resistivity Benchtop Meter with STCON7 - ± 0.5 % Reading ± 2 LSD / 0.001 uS/cm – 1000 mS/cm
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Price: $629.06
Ohaus AB33 / AB41 Electrode Holder
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Price: $110.40
Ohaus AB23EC-F AQUASEARCHER Conductivity / TDS / Salinity Benchtop Meter with STCON3  - 00.0 µS/cm – 199.9 mS/cm
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Price: $522.56
Ohaus AB23EC-B AQUASEARCHER Conductivity / TDS / Salinity Benchtop Meter - 00.0 µS/cm – 199.9 mS/cm
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Price: $408.25
Ohaus AB33EC-B AQUASEARCHER Conductivity / TDS / Salinity / Resistivity Benchtop Meter - ± 0.5 % Reading ± 2 LSD
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Price: $504.10
Ohaus ST20M-C Starter Series Complete Salinity Water Analysis Pen Meter (30393200)
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Price: $141.75
Ohaus ST20M-B Starter Series Complete TDS Water Analysis Pen Meter
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Price: $141.75
Ohaus ST20D Starter Series Complete TDS Water Analysis / pH / OD Pen Meter (30073986)
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Price: $374.40
Ohaus ST400D Starter Series Portable DO Meter with STDO21 Electrode
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Price: $1,380.40
Ohaus 30219116 300D-B Portable DO Meter with STDO11 and STTEMP30 Probes and Carrying Case Starter Kit
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Price: $628.35
Ohaus 30080693 2-pole Conductivity Electrode STCON7 - 1m
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Price: $565.16
Ohaus 30468962 Conductivity electrode STCON3 IP67 3m
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Price: $407.54
Ohaus ST400M-G Starter Series Portable Waterproof - Conductivity Water pH Meter - Meter, Electrode and a Case
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Price: $960.48
Ohaus ST400M-F Starter Series Portable Waterproof - Conductivity Water pH Meter - Meter and Electrode
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Price: $939.09
Ohaus ST400M-B Starter Series Portable Waterproof - Conductivity Water pH Meter - Meter Only
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Price: $752.79
Ohaus ST400-G Starter Series Portable Waterproof  Water pH Meter - Meter, Electrode and a Case
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Price: $615.57
Ohaus ST400-B Starter Series Portable Waterproof  Water pH Meter - Meter Only
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Price: $504.10
Ohaus 30031639 DO electrode STDO11
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Price: $374.17
Ohaus ST5000-B Starter Series pH Bench Meter (30129895)
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Price: $1,335.84
Ohaus ST10T-B (30073979) Starter Series Complete TDS Water Analysis Pen Meter
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Price: $96.00
Ohaus ST10T-A Starter Series Complete TDS Water Analysis Pen Meter
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Price: $96.00
Ohaus ST20T-B Starter Series Complete TDS Water Analysis Pen Meter
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Price: $124.50
Ohaus ST20T-A Starter Series Complete TDS Water Analysis Pen Meter
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Price: $124.50
Ohaus ST10S Starter Series Water Salinity Analysis Pen Meter
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Price: $85.50
Ohaus ST20S Starter Series Water Salinity Analysis Pen Meter
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Price: $124.50
Ohaus ST10C-B Starter Series Water Conductivity Analysis Pen Meter
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Price: $85.50
Ohaus ST10C-C Starter Series Water Conductivity Analysis Pen Meter
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Price: $85.50
Ohaus ST10C-A Starter Series Water Conductivity Analysis Pen Meter
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Price: $85.50
Ohaus ST20C-A Starter Series Water Conductivity Analysis Pen Meter
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Price: $124.50
Ohaus ST20C-B Starter Series Water Conductivity Analysis Pen Meter
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Price: $124.50
Ohaus ST20C-C Starter Series Water Conductivity Analysis Pen Meter
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Price: $124.50
Ohaus ST10R Starter Series Water ORP Analysis Pen Meter (30073984)
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Price: $139.50
Ohaus ST20R Starter Series Water ORP Analysis Pen Meter
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Price: $173.60
Ohaus ST20 Starter Series Water pH Analysis Pen Meter (30073971)
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Price: $111.00
Ohaus ST300D-G Starter Series Portable Dissolved Oxygen Analysis Meter  (30219116)
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Price: $729.33
Ohaus ST300D-B (30031656) Starter Series Portable Dissolved Oxygen Analysis Meter
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Price: $395.47
Ohaus ST300C-B Starter Series Portable Water Conductivity Analysis Meter
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Price: $410.38
Ohaus ST300-B Starter Series Portable Water pH Analysis Meter
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Price: $352.50
Ohaus ST300-G Starter Series Portable Water pH Analysis Meter
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Price: $466.47
Ohaus ST300D (30031655) Starter Series Portable Dissolved Oxygen Analysis Meter
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Price: $704.32
Ohaus ST300C Starter Series Portable Water Conductivity Analysis Meter
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Price: $514.04
Ohaus ST300 Starter Series Portable Water pH Analysis Meter
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Price: $445.88
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