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 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 $72.38 USD
Regular Price $128.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $72.38 USD
Regular Price $128.00 USD
Availability 2 to 3 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 $83.66 USD
Regular Price $148.00 USD
Availability 1 Week

Qty:

Sale Price $83.66 USD
Regular Price $148.00 USD
Availability 1 Week
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 $94.00 USD
Regular Price $166.00 USD
Availability 5 Days

Qty:

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 5 Days
Quantity

OHAUS ST20C-B Starter Conductivity Pen Meter, 0 to 1999 µS/cm, ±1.5% FS-

OHAUS ST20C-B Starter Conductivity Pen Meter, 0 to 1999 µS/cm, ±1.5% FS
Model: ST20C-B | Order No: 30073976

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST20C-C Starter Conductivity Pen Meter, 0.00 to 19.99 mS/cm, ±1.5% FS-

OHAUS ST20C-C Starter Conductivity Pen Meter, 0.00 to 19.99 mS/cm, ±1.5% FS
Model: ST20C-C | Order No: 30073977

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST20D Starter Dissolved Oxygen Pen Meter, 0.0 to 19.9 mg/L, ±0.5 mg/L-

OHAUS ST20D Starter Dissolved Oxygen Pen Meter, 0.0 to 19.9 mg/L, ±0.5 mg/L
Model: ST20D | Order No: 30073986

Sale Price $325.24 USD
Regular Price $576.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $325.24 USD
Regular Price $576.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST20M-B Multiparameter Starter Pen Meter-

OHAUS ST20M-B Multiparameter Starter Pen Meter
Model: ST20M-B | Order No: 30393199

Sale Price $107.16 USD
Regular Price $189.00 USD
Availability 1 Week

Qty:

Sale Price $107.16 USD
Regular Price $189.00 USD
Availability 1 Week
Quantity

OHAUS ST20R Starter ORP Pen Meter, -1000 to 1000 mV, 2 mV.-

OHAUS ST20R Starter ORP Pen Meter, -1000 to 1000 mV, 2 mV.
Model: ST20R | Order No: 30073985

Sale Price $140.06 USD
Regular Price $248.00 USD
Availability 5 to 6 Weeks

Qty:

Sale Price $140.06 USD
Regular Price $248.00 USD
Availability 5 to 6 Weeks
Quantity

OHAUS ST20S Starter Salinity Pen Meter, 0.0 to 80.0 ppt, ±1.5% FS-

OHAUS ST20S Starter Salinity Pen Meter, 0.0 to 80.0 ppt, ±1.5% FS
Model: ST20S | Order No: 30073983

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 3 Days

Qty:

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 3 Days
Quantity

OHAUS ST20T-A Starter TDS Pen Meter, 0.0 to 100.0 mg/L, ±1.5% FS-

OHAUS ST20T-A Starter TDS Pen Meter, 0.0 to 100.0 mg/L, ±1.5% FS
Model: ST20T-A | Order No: 30073980

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST20T-B Starter TDS Pen Meter, 0 to 1000 mg/L, ±1.5% FS-

OHAUS ST20T-B Starter TDS Pen Meter, 0 to 1000 mg/L, ±1.5% FS
Model: ST20T-B | Order No: 30073981

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 3 Days

Qty:

Sale Price $94.00 USD
Regular Price $166.00 USD
Availability 3 Days
Quantity

OHAUS ST2200-B Starter pH Meter, 0.00 to 14.00 pH-

OHAUS ST2200-B Starter pH Meter, 0.00 to 14.00 pH
Model: ST2200-B | Order No: 30656033

Sale Price $276.36 USD
Regular Price $445.00 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $276.36 USD
Regular Price $445.00 USD
Availability 4 to 5 Weeks
Quantity

OHAUS ST2200-F Starter pH Meter with pH buffer mini kits, 0.00 to 14.00 pH-

OHAUS ST2200-F Starter pH Meter with pH buffer mini kits, 0.00 to 14.00 pH
Model: ST2200-F | Order No: 30655944

Sale Price $313.02 USD
Regular Price $504.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $313.02 USD
Regular Price $504.00 USD
Availability 1 to 2 Weeks
Quantity

OHAUS ST280 pH Electrode, glass, 0.00 to 14 pH-

OHAUS ST280 pH Electrode, glass, 0.00 to 14 pH
Model: ST280 | Order No: 30681114

Sale Price $212.44 USD
Regular Price $342.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $212.44 USD
Regular Price $342.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST300 Portable pH Meter, 0 to 14 pH, 0 to 100°C-

Ohaus ST300 Portable pH Meter, 0 to 14 pH, 0 to 100°C
Model: ST300 | Order No: 83033961

Sale Price $390.10 USD
Regular Price $628.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $390.10 USD
Regular Price $628.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST300-B Portable pH Meter, 0 to 14 pH, 0 to 100°C-

Ohaus ST300-B Portable pH Meter, 0 to 14 pH, 0 to 100°C
Model: ST300-B | Order No: 83033962

Sale Price $292.34 USD
Regular Price $470.00 USD
Availability 1 Week

Qty:

Sale Price $292.34 USD
Regular Price $470.00 USD
Availability 1 Week
Quantity

Ohaus ST300-G Portable pH Meter, 0 to 14 pH, 0 to 100°C-

Ohaus ST300-G Portable pH Meter, 0 to 14 pH, 0 to 100°C
Model: ST300-G | Order No: 30219114

Sale Price $407.96 USD
Regular Price $657.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $407.96 USD
Regular Price $657.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST400-B Starter Waterproof Portable pH Water Analysis Meter, -2 to 16 pH, -5 to 110°C-

Ohaus ST400-B Starter Waterproof Portable pH Water Analysis Meter, -2 to 16 pH, -5 to 110°C
Model: ST400-B | Order No: 30468964

Sale Price $440.86 USD
Regular Price $710.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $440.86 USD
Regular Price $710.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST400-F Starter Waterproof Portable pH Water Analysis Meter, -2 to 16 pH, -5 to 110°C-

Ohaus ST400-F Starter Waterproof Portable pH Water Analysis Meter, -2 to 16 pH, -5 to 110°C
Model: ST400-F | Order No: 30468965

Sale Price $513.24 USD
Regular Price $827.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $513.24 USD
Regular Price $827.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST400-G Starter Waterproof Portable pH Water Analysis Meter, -2 to 16 pH, -5 to 110°C-

Ohaus ST400-G Starter Waterproof Portable pH Water Analysis Meter, -2 to 16 pH, -5 to 110°C
Model: ST400-G | Order No: 30468966

Sale Price $538.62 USD
Regular Price $867.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $538.62 USD
Regular Price $867.00 USD
Availability 2 to 3 Weeks
Quantity

Baker B3050 pH Roll