Helping You Get The Results You Can Trust

FREE SHIPPING ON ONLINE ORDERS OVER $99*

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.

Showing 81 to 100 of 296 products

OAKTON DO 450 Dissolved Oxygen Meter and Probe-

OAKTON DO 450 Dissolved Oxygen Meter and Probe
Model: DO 450 | Order No: WD-35640-30

Sale Price $1771.40 USD
Regular Price $2426.57 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1771.40 USD
Regular Price $2426.57 USD
Availability 2 to 3 Weeks
Quantity

OAKTON WD-35640-32 Waterproof DO 450 Meter-

OAKTON WD-35640-32 Waterproof DO 450 Meter
Model: DO 450 | Order No: WD-35640-32

Sale Price $577.07 USD
Regular Price $790.50 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $577.07 USD
Regular Price $790.50 USD
Availability 3 to 4 Weeks
Quantity

Extech DO605 Spare ExStik II Dissolved Oxygen Electrode module-

Extech DO605 Spare ExStik II Dissolved Oxygen Electrode module
Model: DO605

Your Price $189.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $189.00 USD
Availability 1 to 2 Weeks
Quantity

Extech EC500 Waterproof ExStik II pH/Conductivity Meter-

Extech EC500 Waterproof ExStik II pH/Conductivity Meter
Model: EC500

Your Price $204.00 USD
Availability 1 Week

Qty:

Your Price $204.00 USD
Availability 1 Week
Quantity

Extech EC505 Replacement pH Electrode/Conductivity Cell Module for ExStik Conductivity meters-

Extech EC505 Replacement pH Electrode/Conductivity Cell Module for ExStik Conductivity meters
Model: EC505

Your Price $84.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $84.99 USD
Availability 1 to 2 Weeks
Quantity

Extech EC510 Waterproof ExStik II pH/Conductivity Meter Kit-

Extech EC510 Waterproof ExStik II pH/Conductivity Meter Kit
Model: EC510

Your Price $234.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $234.00 USD
Availability 2 to 3 Weeks
Quantity

Extech EC700 6-in-1 Water Quality Meter with 3 probes-

Extech EC700 6-in-1 Water Quality Meter with 3 probes
Model: EC700

Your Price $699.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $699.00 USD
Availability 2 to 3 Weeks
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 $70.37 USD
Regular Price $96.40 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $70.37 USD
Regular Price $96.40 USD
Availability 7 to 8 Weeks
Quantity

Extech FL700 Waterproof ExStik Fluoride Meter, 0.1 to 9.99ppm or mg/L-

Extech FL700 Waterproof ExStik Fluoride Meter, 0.1 to 9.99ppm or mg/L
Model: FL700

Your Price $259.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $259.00 USD
Availability 2 to 3 Weeks
Quantity

Hanna HI 9829-01 Multiparameter Waterproof Meter only, 115 V-

Hanna HI 9829-01 Multiparameter Waterproof Meter only, 115 V
Model: HI 9829-01

Sale Price $1655.22 USD
Regular Price $1689.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1655.22 USD
Regular Price $1689.00 USD
Availability 2 to 3 Weeks
Quantity

OAKTON ION 6+ pH/Ion Meter-

OAKTON ION 6+ pH/Ion Meter
Model: ION 6+ | Order No: WD-35613-80

Sale Price $608.46 USD
Regular Price $833.50 USD
Availability 12 to 13 Weeks

Qty:

Sale Price $608.46 USD
Regular Price $833.50 USD
Availability 12 to 13 Weeks
Quantity

OAKTON ION 6+ pH/Ion Meter Kit-

OAKTON ION 6+ pH/Ion Meter Kit
Model: ION 6+ | Order No: WD-35613-82

Sale Price $979.66 USD
Regular Price $1342.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $979.66 USD
Regular Price $1342.00 USD
Availability 1 to 2 Weeks
Quantity

OAKTON ION 6+ pH/Ion Meter Kit with Calibration-

OAKTON ION 6+ pH/Ion Meter Kit with Calibration
Model: ION 6+ | Order No: WD-35613-83

Sale Price $1057.04 USD
Regular Price $1448.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1057.04 USD
Regular Price $1448.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2501 pH and Temperature Data Logger with Bluetooth Low Energy-

Onset HOBO MX2501 pH and Temperature Data Logger with Bluetooth Low Energy
Model: MX2501

Your Price $850.00 USD
Availability 7 to 8 Weeks

Qty:

Your Price $850.00 USD
Availability 7 to 8 Weeks
Quantity

OAKTON ORPTESTR 50 Waterproof ORP Tester -

OAKTON ORPTESTR 50 Waterproof ORP Tester
Model: ORPTESTR 50 | Order No: WD-35634-45

Sale Price $336.53 USD
Regular Price $461.00 USD
Availability 3 Days

Qty:

Sale Price $336.53 USD
Regular Price $461.00 USD
Availability 3 Days
Quantity

Extech Oyster-10 Oyster Series pH/mV/Temperature Meter-

Extech Oyster-10 Oyster Series pH/mV/Temperature Meter
Model: Oyster-10

Your Price $229.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $229.00 USD
Availability 1 to 2 Weeks
Quantity

Extech Oyster-15 Oyster Series pH/mV/Temperature Meter Kit-

Extech Oyster-15 Oyster Series pH/mV/Temperature Meter Kit
Model: Oyster-15

Your Price $269.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $269.00 USD
Availability 8 to 9 Weeks
Quantity

OAKTON PC 2700 Benchtop Meter, pH Electrode, Conductivity/Temp Probe, Software and Stand-

OAKTON PC 2700 Benchtop Meter, pH Electrode, Conductivity/Temp Probe, Software and Stand
Model: PC 2700 | Order No: WD-35414-00

Sale Price $2141.09 USD
Regular Price $2933.00 USD
Availability 6 to 7 Weeks

Qty:

Sale Price $2141.09 USD
Regular Price $2933.00 USD
Availability 6 to 7 Weeks
Quantity

OAKTON PC 450 pH/Conductivity Meter-

OAKTON PC 450 pH/Conductivity Meter
Model: PC 450 | Order No: WD-35630-32

Sale Price $897.17 USD
Regular Price $1229.00 USD
Availability 6 to 7 Weeks

Qty:

Sale Price $897.17 USD
Regular Price $1229.00 USD
Availability 6 to 7 Weeks
Quantity

OAKTON PC 450 pH/Conductivity Meter and Probe with Calibration-

OAKTON PC 450 pH/Conductivity Meter and Probe with Calibration
Model: PC 450 | Order No: WD-35630-11

Sale Price $1554.90 USD
Regular Price $2130.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $1554.90 USD
Regular Price $2130.00 USD
Availability 1 to 2 Weeks
Quantity
Showing 81 to 100 of 296 products
Baker B3050 pH Roll
We Ship Free on Orders Over &99 within Canada
  • We accept these payment methods:
  • Visa, Master Card, Discover, American Express & PayPal