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.


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 $239.99 USD
Availability 8 to 9 Weeks

Qty:

Your Price $239.99 USD
Availability 8 to 9 Weeks
Quantity

LaMotte 4351-H SpinDisk Reagent Cartridge for the FF fresh water series, 50-pack-

LaMotte 4351-H SpinDisk Reagent Cartridge for the FF fresh water series, 50-pack
Model: 4351-H

Sale Price $226.80 USD
Regular Price $240.00 USD
Availability 1 Week

Qty:

Sale Price $226.80 USD
Regular Price $240.00 USD
Availability 1 Week
Quantity

OAKTON pHTestr 30 Calibration Kit-

OAKTON pHTestr 30 Calibration Kit
Model: pHTestr 30 | Order No: WD-35634-90

Sale Price $192.39 USD
Regular Price $242.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $192.39 USD
Regular Price $242.00 USD
Availability 2 to 3 Weeks
Quantity

LaMotte 2085 ColorQ 2X Pool 4 Photometer Kit with Bluetooth, liquid reagents-

LaMotte 2085 ColorQ 2X Pool 4 Photometer Kit with Bluetooth, liquid reagents
Model: 2085 | Order No: 2085/A

Your Price $245.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $245.00 USD
Availability 2 to 3 Weeks
Quantity

LaMotte 2082 ColorQ 2x TesTabs PRO 4 Photometer Kit with Bluetooth-

LaMotte 2082 ColorQ 2x TesTabs PRO 4 Photometer Kit with Bluetooth
Model: 2082

Your Price $245.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $245.00 USD
Availability 2 to 3 Weeks
Quantity

LaMotte 2086 ColorQ 2x PRO 7-

LaMotte 2086 ColorQ 2x PRO 7
Model: 2086

Your Price $249.00 USD
Availability 15+ Weeks

Qty:

Your Price $249.00 USD
Availability 15+ 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 $259.00 USD
Regular Price $403.00 USD
Availability 1 in Stock

Qty:

Sale Price $259.00 USD
Regular Price $403.00 USD
Availability 1 in Stock
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 $260.00 USD
Regular Price $305.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $260.00 USD
Regular Price $305.00 USD
Availability 2 to 3 Weeks
Quantity

OHAUS STCON8 Conductivity Electrode, glass, 0.055 μS/cm to 300 μS/cm-

OHAUS STCON8 Conductivity Electrode, glass, 0.055 μS/cm to 300 μS/cm
Model: STCON8 w/o chamber | Order No: 30681117

Sale Price $261.00 USD
Regular Price $306.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $261.00 USD
Regular Price $306.00 USD
Availability 2 to 3 Weeks
Quantity

LaMotte 1766 pH, Salinity, TDS, Conductivity, & Temperature TRACER PockeTester-

LaMotte 1766 pH, Salinity, TDS, Conductivity, & Temperature TRACER PockeTester
Model: 1766

Your Price $261.25 USD
Availability 1 in Stock

Qty:

Your Price $261.25 USD
Availability 1 in Stock
Quantity

OAKTON WD-35634-15 pHTestr 50 Pocket pH Tester, Waterproof, Double Junction-

OAKTON WD-35634-15 pHTestr 50 Pocket pH Tester, Waterproof, Double Junction
Model: pHTestr 50 | Order No: WD-35634-15

Sale Price $219.15 USD
Regular Price $275.66 USD
Availability 1 Week

Qty:

Sale Price $219.15 USD
Regular Price $275.66 USD
Availability 1 Week
Quantity

OAKTON WD-35634-52 pHTestr 5S Spear-Tip Waterproof Pocket Tester, -2 to 16 pH-

OAKTON WD-35634-52 pHTestr 5S Spear-Tip Waterproof Pocket Tester, -2 to 16 pH
Model: WD-35634-52

Sale Price $241.08 USD
Regular Price $303.25 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $241.08 USD
Regular Price $303.25 USD
Availability 2 to 3 Weeks
Quantity

OHAUS ST420 pH Electrode, glass, 2.00 to 12.00 pH-

OHAUS ST420 pH Electrode, glass, 2.00 to 12.00 pH
Model: ST420 | Order No: 30681115

Sale Price $305.00 USD
Regular Price $358.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $305.00 USD
Regular Price $358.00 USD
Availability 2 to 3 Weeks
Quantity

LaMotte 2094 ColorQ 2x PRO 7-PLUS Photometer Kit with Bluetooth-

LaMotte 2094 ColorQ 2x PRO 7-PLUS Photometer Kit with Bluetooth
Model: 2094

Your Price $305.00 USD
Availability 11 to 12 Weeks

Qty:

Your Price $305.00 USD
Availability 11 to 12 Weeks
Quantity

LaMotte 2088 ColorQ 2x TestTabs PRO 9 Photometer Kit with liquid reagents-

LaMotte 2088 ColorQ 2x TestTabs PRO 9 Photometer Kit with liquid reagents
Model: 2088

Your Price $315.00 USD
Availability 1 Week

Qty:

Your Price $315.00 USD
Availability 1 Week
Quantity

REED R3500-NIST pH Meter, -

REED R3500-NIST pH Meter, includes Traceable Certificate
Model: R3500-NIST

Your Price $319.00 USD
Availability 5 Days

Qty:

Your Price $319.00 USD
Availability 5 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 $325.00 USD
Regular Price $382.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $325.00 USD
Regular Price $382.00 USD
Availability 2 to 3 Weeks
Quantity

LaMotte 3590-03 AR-42 Drinking Water Test Kit-

LaMotte 3590-03 AR-42 Drinking Water Test Kit
Model: 3590-03

Sale Price $307.98 USD
Regular Price $325.90 USD
Availability 9 to 10 Weeks

Qty:

Sale Price $307.98 USD
Regular Price $325.90 USD
Availability 9 to 10 Weeks
Quantity

LaMotte 1740 Total Chlorine TCl TRACER PockeTester-

LaMotte 1740 Total Chlorine TCl TRACER PockeTester
Model: 1740

Your Price $326.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $326.00 USD
Availability 3 to 4 Weeks
Quantity

LaMotte AM-12 The TesTabs Water Investigation Kit, 12 testing modules, grades 5 and up-

LaMotte AM-12 The TesTabs Water Investigation Kit, 12 testing modules, grades 5 and up
Model: AM-12 | Order No: 5849

Sale Price $310.91 USD
Regular Price $329.00 USD
Availability 1 Week

Qty:

Sale Price $310.91 USD
Regular Price $329.00 USD
Availability 1 Week
Quantity

Baker B3050 pH Roll
Calibration Lab
We Ship Free on Orders Over $99 within Canada