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.


OHAUS ST10C-A Starter Conductivity Pen Meter, 0.0 to 199.9 µs/cm, ±2.5% FS-

OHAUS ST10C-A Starter Conductivity Pen Meter, 0.0 to 199.9 µs/cm, ±2.5% FS
Model: ST10C-A | Order No: 30073972

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST10C-B Starter Conductivity Pen Meter, 0 to 1999 µS/cm, ±2.5% FS-

OHAUS ST10C-B Starter Conductivity Pen Meter, 0 to 1999 µS/cm, ±2.5% FS
Model: ST10C-B | Order No: 30073973

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST10C-C Starter Conductivity Pen Meter, 0.00 to 19.99 mS/cm, ±2.5% FS-

OHAUS ST10C-C Starter Conductivity Pen Meter, 0.00 to 19.99 mS/cm, ±2.5% FS
Model: ST10C-C | Order No: 30073974

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST10S Starter Salinity Pen Meter, 0.0 to 10.0 ppt, ±2.5% FS-

OHAUS ST10S Starter Salinity Pen Meter, 0.0 to 10.0 ppt, ±2.5% FS
Model: ST10S | Order No: 30073982

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $83.00 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks
Quantity

OAKTON EcoTestr EC1 Waterproof Pocket Tester, LCD Display, IP67-Rated-

OAKTON EcoTestr EC1 Waterproof Pocket Tester, LCD Display, IP67-Rated
Model: WD-35634-06

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 1 to 2 Weeks
Quantity

OAKTON WD-35634-12 EcoTestr Salt1 Waterproof Pocket Tester, 0 to 10 ppt-

OAKTON WD-35634-12 EcoTestr Salt1 Waterproof Pocket Tester, 0 to 10 ppt
Model: WD-35634-12

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 3 Days

Qty:

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 3 Days
Quantity

OAKTON WD-35634-05 EcoTestr pH1 Waterproof Pocket Tester, 0 to 14 pH-

OAKTON WD-35634-05 EcoTestr pH1 Waterproof Pocket Tester, 0 to 14 pH
Model: EcoTestr pH1 | Order No: WD-35634-05

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 7 to 8 Weeks
Quantity

OAKTON WD-35634-08 EcoTestr TDS1 Waterproof Pocket Tester, 0 to 10 ppt-

OAKTON WD-35634-08 EcoTestr TDS1 Waterproof Pocket Tester, 0 to 10 ppt
Model: WD-35634-08

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $70.44 USD
Regular Price $88.60 USD
Availability 3 to 4 Weeks
Quantity

REED R3500 pH Meter-

REED R3500 pH Meter
Model: R3500

Your Price $89.00 USD
Availability 66 in Stock

Qty:

Your Price $89.00 USD
Availability 66 in Stock
Quantity

OHAUS ST10T-A Starter TDS Pen Meter, 0.0 to 100.0 mg/L, ±2.5% FS-

OHAUS ST10T-A Starter TDS Pen Meter, 0.0 to 100.0 mg/L, ±2.5% FS
Model: ST10T-A | Order No: 30073978

Sale Price $94.00 USD
Regular Price $110.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $94.00 USD
Regular Price $110.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST10T-B Starter TDS Pen Meter, 0 to 1000 mg/L, ±2.5% FS-

OHAUS ST10T-B Starter TDS Pen Meter, 0 to 1000 mg/L, ±2.5% FS
Model: ST10T-B | Order No: 30073979

Sale Price $94.00 USD
Regular Price $110.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $94.00 USD
Regular Price $110.00 USD
Availability 2 to 3 Weeks
Quantity

OAKTON WD-35462-11 EcoTestr™ CTS Conductivity, Salinity, and TDS Pocket Meter-

OAKTON WD-35462-11 EcoTestr™ CTS Conductivity, Salinity, and TDS Pocket Meter
Model: EcoTestr CTS | Order No: WD-35462-11

Sale Price $76.16 USD
Regular Price $95.80 USD
Availability 5 in Stock

Qty:

Sale Price $76.16 USD
Regular Price $95.80 USD
Availability 5 in Stock
Quantity

OHAUS 30661423 Electrode holder for the AB33/41-

OHAUS 30661423 Electrode holder for the AB33/41
Model: 30661423

Sale Price $101.00 USD
Regular Price $118.00 USD
Availability 1 Week

Qty:

Sale Price $101.00 USD
Regular Price $118.00 USD
Availability 1 Week
Quantity

OHAUS 30661424 Electrode holder for the AB23-

OHAUS 30661424 Electrode holder for the AB23
Model: 30661424

Sale Price $101.00 USD
Regular Price $118.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $101.00 USD
Regular Price $118.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS 30658042 ECS Adapter-

OHAUS 30658042 ECS Adapter
Model: 30658042

Sale Price $101.00 USD
Regular Price $118.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $101.00 USD
Regular Price $118.00 USD
Availability 2 to 3 Weeks
Quantity

Extech PH100 Waterproof ExStik pH Meter-

Extech PH100 Waterproof ExStik pH Meter
Model: PH100

Sale Price $93.59 USD
Regular Price $103.99 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $93.59 USD
Regular Price $103.99 USD
Availability 1 to 2 Weeks
Quantity

OHAUS ST20 Starter pH Pen Meter, 0.00 to 14.00 pH, 0.1 pH accuracy-

OHAUS ST20 Starter pH Pen Meter, 0.00 to 14.00 pH, 0.1 pH accuracy
Model: ST20 | Order No: 30073971

Sale Price $108.00 USD
Regular Price $126.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $108.00 USD
Regular Price $126.00 USD
Availability 2 to 3 Weeks
Quantity

REED R3500-KIT pH Meter and 4pH/7pH Buffer Solution Kit-

REED R3500-KIT pH Meter and 4pH/7pH Buffer Solution Kit
Model: R3500-KIT

Sale Price $115.00 USD
Regular Price $119.00 USD
Availability 66 in Stock

Qty:

Sale Price $115.00 USD
Regular Price $119.00 USD
Availability 66 in Stock
Quantity

REED R3525-ELECTRODE pH Electrode with Temperature, 39" (1m) Cable-

REED R3525-ELECTRODE pH Electrode with Temperature, 39" (1m) Cable
Model: R3525-ELECTRODE

Your Price $119.00 USD
Availability 41 in Stock

Qty:

Your Price $119.00 USD
Availability 41 in Stock
Quantity

OHAUS ST20C-A Starter Conductivity Pen Meter, 0.0 to 199.9 µS/cm, ±1.5% FS-

OHAUS ST20C-A Starter Conductivity Pen Meter, 0.0 to 199.9 µS/cm, ±1.5% FS
Model: ST20C-A | Order No: 30073975

Sale Price $122.00 USD
Regular Price $143.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $122.00 USD
Regular Price $143.00 USD
Availability 2 to 3 Weeks
Quantity

Baker B3050 pH Roll
Calibration Lab
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