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ph/ORP/ISE

Find a wide selection of pH and ORP meters for testing water conditioning, aquariums, wastewater monitoring or even beverage production. Features include datalogging functions along with NIST certified meters.

REED 8689 Digital pH Meter/Pen, 0.00 to 14.00 pH, Waterproof-

$99.00 USD

Availability: 10+ in Stock
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REED 86P8 Replacement PH Electrode for REED 8689-

$39.00 USD

Availability: 4 in Stock
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REED ORP-14 Professional ORP Electrode for REED SD-230, 130mm-

$139.00 USD

Availability: 3 in Stock
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REED PE-01 Professional pH Electrode for REED SD-230 Meter, 130mm-

$109.00 USD

Availability: 4 in Stock
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REED PE-03 General Purpose pH Electrode for REED SD-230, 160mm-

$59.00 USD

Availability: 2 in Stock
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REED PE-11 General Purpose pH Electrode for REED SD-230, 130mm-

$69.00 USD

Availability: 2 in Stock
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REED SD-230 SD Series pH/ORP Datalogger, 0.00 to 14.00 pH / 0-1999 mV-

$199.00 USD

Availability: 3 in Stock
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REED SD-230-KIT2 SD Series pH/ORP Datalogger Kit, with pH and ORP Electrodes-

$366.00 USD


was $407.00

Availability: 2 in Stock
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LaMotte 1741 pH Tracer PockeTester, 0-14pH Range-

$110.70 USD


was $123.00

Availability: 1 in Stock
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LaMotte 1749 Salt/TDS/Temperature Tracer PockeTester-

$98.10 USD


was $109.00

Availability: 3 in Stock
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LaMotte 1766 pH, Salinity, TDS, Conductivity, & Temperature TRACER PockeTester-

$171.90 USD


was $191.00

Availability: 1 in Stock
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LaMotte 2056 ColorQ PRO 7 Hand-Held Photometer for Pools and Spas-

$148.50 USD


was $165.00

Availability: 10+ in Stock
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LaMotte 2057 ColorQ Pro 7 Test Kit with TesTabs-

LaMotte 2057 ColorQ Pro 7 Test Kit with TesTabs

Model: ColorQ TesTabs PRO 7 | Order No: 2057/A

$148.50 USD


was $165.00

Availability: 6 in Stock
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OAKTON WD-35423-01 EcoTestr pH 2+ Pocket pH Meter-

$49.73 USD


was $66.75

Availability: 3 to 4 Weeks
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Oakton WD-35634-35 PCTSTestr 50 Waterproof Pocket pH/Cond/TDS/Salinity Tester-

$137.83 USD


was $185.00

Availability: 2 to 3 Weeks
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Extech EC500 Waterproof ExStik II pH/Conductivity Meter-

$159.99 USD

Availability: 1 Week
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Waring Laboratory Equipment Supplies