pH / ORP Meters
- BRAND
- AquaMetrix (4)
- Eutech Instruments (3)
- Extech (14)
- Georg Fischer / GF Signet (6)
- Hanna Instruments (63)
- Horiba (6)
- In-Situ (1)
- Oakton Instruments (28)
- Rosemount Analytical (29)
- Testo (1)
- Thermo Scientific Orion (16)
- YSI (7)
- PRICE
- Under $100 (13)
- $100 - $199 (31)
- $200 - $499 (67)
- $500 - $999 (45)
- $1000 - $2499 (19)
- Over $2500 (3)
- TYPE
- Tester (29)
- Field Meter (61)
- Lab (22)
- Process (56)
- PARAMETER
- pH (156)
- ORP (113)
- Multiparameter (47)
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Dual input analyzer offers a wide range of measurement choices supporting most industrial, commercial, and municipal applications
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Starting at $1,010.00 |
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Combination pH / EC / TDS / temperature tester with low or high range EC
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Starting at $153.00 $117.81 |
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Measures flow, pH, ORP, conductivity, pressure, level, and temperature
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Starting at $770.00 |
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Hand-held meter simultaneously measures dissolved oxygen, pH, conductivity, temperature and ORP
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Starting at $1,850.00 $1,628.00 |
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Water-resistant multi-parameter portable meter with CAL CHECK calibration feature designed for agricultural applications
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$205.00 $157.85 |
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Two-wire transmitter with explosion-proof enclosure measures a wide range of parameters
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Starting at $2,150.00 |
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The toughest, smartest and most versatile water quality meter available
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$1,125.00 $967.50 |
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Waterproof pH testers with replaceable electrode and accuracy up to ±0.1pH
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$85.00 $65.45 |
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Waterproof, microprocessor-based pH tester
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$62.00 $49.60 |
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pH electrodes available in a variety of styles
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Starting at $120.00 $105.60 |
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Portable water quality meter monitors up to 13 different water quality parameters with optional GPS function
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Starting at $2,500.00 $1,925.00 |
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Combination pH and ORP tester
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$149.00 $114.73 |
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Waterproof double-junction pH testers with large displays
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Starting at $96.00 $76.80 |
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General purpose pH/ORP sensors
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Starting at $305.00 |
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Waterproof pH testers with replaceable electrode and accuracy to ±0.05pH
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$97.00 $74.69 |
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Multiparameter tester for temperature, conductivity, pH, TDS, and salinity
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$169.00 $135.20 |
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Extended range, waterproof pH, temperature and mV meter
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Starting at $308.00 $237.16 |
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Durable, dependable and accurate pH meters
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Starting at $531.00 $456.66 |
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High resolution full color screen, local operator interface, 480 x 272 pixel display
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Starting at $1,639.00 |
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Measure and display up to 11 water quality parameters simultaneously
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Starting at $3,225.00 |
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Accurately measure pH, mV/RmV, conductivity, resistivity, salinity and TDS
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Starting at $1,275.00 $1,096.50 |
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The best performing pH electrodes on the market
FREE Storage Sleeve and 2 bottles of Solution (over $160 value)
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Starting at $376.00 $330.88 |
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pH and ORP mini controllers ideal for installation in tight spaces
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Starting at $160.00 $123.20 |
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Waterproof pH meter with optional refillable electrode
FREE gifts with qualified Extech purchases
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Starting at $99.99 |
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Portable, top choice for advanced multiparameter measurements
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Starting at $1,525.00 $1,311.50 |
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pH controller and dosing pumps in one compact unit
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$795.00 $612.15 |
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Waterproof pH / EC / TDS / temperature meter with advanced features
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Starting at $495.00 $381.15 |
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Starting at $257.00 |
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Economical meter with dual display for measuring pH, temperature, and millivolts
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Starting at $284.10 $227.28 |
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±0.01 pH accuracy, economical, compact, up to five-point push-button calibration
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Starting at $218.91 $175.13 |
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Insertion pH/ORP sensors with optional integral preamp
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Starting at $458.00 |
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Replacement pH/ORP electrodes with Twist-Lock connector
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Starting at $295.00 $265.50 |
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Laboratory grade benchtop pH meters
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Starting at $395.00 $304.15 |
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Submersion, insertion, polypropylene, SMART enabled, silcore technology
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Starting at $521.00 |
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Measures conductivity, TDS, salinity, pH, and temperature using one just electrode
FREE gifts with qualified Extech purchases
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Starting at $159.99 |
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Easy to use transmitter that turns any PC into a pH meter
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$98.00 $75.46 |
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Benchtop or portable meters for easy, affordable and accurate pH measurements
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Starting at $468.00 $402.48 |
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Waterproof, extended range, pH, ORP and temperature meter with Sensor Check
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$419.00 $322.63 |
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Water-resistant multi-parameter portable meter designed for agricultural applications
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$205.00 $157.85 |
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Compact, space-saving benchtop pH / ion meter
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Starting at $445.60 $356.48 |
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Three-input intelligent analyzer monitors a wide range of water quality parameters
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Starting at $1,684.00 |
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Accurately measure pH/ISE, ammonia, flouride and sodium
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Starting at $1,199.00 $1,031.14 |
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Heavy-duty waterproof pH meter
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Starting at $382.00 $294.14 |
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Five modules to customize 4 channels, Advanced, customizable display
FREE Module (up to over $800 in value)
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Starting at $1,015.00 $893.20 |
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Rugged food penetration pH meter with automatic temperature compensation
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Starting at $479.00 $426.31 |
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Loop-powered transmitter measures pH, ORP, conductivity, resistivity, oxygen, free chlorine, total chlorine, monochloramine and ozone
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Starting at $1,674.00 |
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Water quality test kit specifically designed for teachers to get the most out of their classroom time with well constructed lessons and activities
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$350.00 $269.50 |
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Compact monitoring solution offering high pressure tolerance and long-term continuous measurement
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Starting at $800.00 |
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Measures dissolved oxygen concentration / saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature
FREE gifts with qualified Extech purchases
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$649.00 |
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Simple-to-operate, microprocessor-based process meters equipped with a bi-directional RS232 port
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Starting at $577.00 $444.29 |