pH / ORP Meters
- BRAND
- Extech (7)
- Hanna Instruments (5)
- Horiba (1)
- In-Situ (1)
- Oakton Instruments (6)
- Thermo Scientific Orion (11)
- YSI (1)
- PRICE
- Under $100 (1)
- $100 - $199 (2)
- $200 - $499 (13)
- $500 - $999 (9)
- $1000 - $2499 (6)
- Over $2500 (1)
- TYPE
- Tester (8)
- Field Meter (20)
- Lab (7)
- PARAMETER
- pH (32)
- ORP (23)
- Multiparameter (17)
- KIT
- Yes (show all)
Showing 1 to 32 of 32 products.
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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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Waterproof double-junction pH testers with large displays
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Starting at $96.00 $76.80 |
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Durable, dependable and accurate pH meters
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Starting at $531.00 $456.66 |
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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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Portable, top choice for advanced multiparameter measurements
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Starting at $1,525.00 $1,311.50 |
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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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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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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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Accurately measure pH/ISE, ammonia, flouride and sodium
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Starting at $1,199.00 $1,031.14 |
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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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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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Portable, accurately measures pH, conductivity, resistivity, salinity and TDS
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Starting at $1,122.00 $964.92 |
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Measures pH, conductivity, and dissolved oxygen in one convenient meter
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Starting at $1,147.30 $917.84 |
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Measures pH, conductivity, and temperature with one meter and probe
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Starting at $544.70 $435.76 |
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Accurate, economical, handheld, IP67 waterproof housing
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Starting at $260.00 $228.80 |
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Complete water quality assessment kits measure pH, ORP, chlorine, and temperature
FREE gifts with qualified Extech purchases
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Starting at $219.99 |
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Measures pH and conductivity in one convenient meter
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Starting at $889.00 $711.20 |
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Portable, waterproof, accurately measures pH
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Starting at $663.00 $570.18 |
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7-in-1 meter with lab-quality performance measures conductivity, TDS, salinity, resistivity, pH, mV and temperature
FREE gifts with qualified Extech purchases
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$469.99 |
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Intrinsically safe portable pH/mV/temperature meter with 100 point datalogger
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Starting at $1,909.00 $1,679.92 |
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Soil analysis test kit specifically assembled for the educator and environmental science student
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$350.00 $269.50 |
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The Hanna Instruments HI122 is a benchtop instrument featuring a built-in printer
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$925.00 $712.25 |
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User friendly kit economically measures 6 parameters
FREE gifts with qualified Extech purchases
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$429.99 |
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Rugged pH meter with pH electrode, temperature probe and carrying case
FREE gifts with qualified Extech purchases
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$299.99 |
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Portable, accurate pH/RDO/DO measurements
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Starting at $1,148.00 $987.28 |
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Measures pH and dissolved oxygen in one convenient meter
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Starting at $938.00 $750.40 |
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Versatile pH/ORP/Temp kits for use in the lab or in the field
FREE gifts with qualified Extech purchases
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Starting at $219.99 |
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Measures pH, mV and temperature at your workbench or in the field
FREE gifts with qualified Extech purchases
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$269.99 |
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durable, dependable, wall mountalbe pH/RDO/DO meters
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Starting at $1,403.00 $1,206.58 |
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Marine science 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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Combines industry leading water quality sensors with revolutionary smartphone mobility, measures 14 parameters
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Starting at $2,900.00 |
Showing 1 to 32 of 32 products.