Extech Water Quality Instruments

Choose from our wide selection of high quality meters for water quality measurements.

Get Water Quality Meters and accessories for the following uses:
Chlorine - Turbidity - Fluoride
Conductivity - TDS - Salinity
Dissolved Oxygen
pH - ORP


Extech CL203 ExTab Reagent Tablets, 10-pack, 100 tests-

Extech CL203 ExTab Reagent Tablets, 10-pack, 100 tests
Model: CL203

Your Price $27.99 USD
Availability 3 to 4 Weeks

Qty:

Your Price $27.99 USD
Availability 3 to 4 Weeks
Quantity

Extech PH10-P 10pH Buffer Solution, 2 Bottles-

Extech PH10-P 10pH Buffer Solution, 2 Bottles
Model: PH10-P

Your Price $29.99 USD
Availability 2 to 3 Weeks

Qty:

Your Price $29.99 USD
Availability 2 to 3 Weeks
Quantity

Extech PH4-P 4pH Buffer Solution, 2 Bottles-

Extech PH4-P 4pH Buffer Solution, 2 Bottles
Model: PH4-P

Your Price $29.99 USD
Availability 3 to 4 Weeks

Qty:

Your Price $29.99 USD
Availability 3 to 4 Weeks
Quantity

Extech PH7-P 7pH Buffer Solution, 2 Bottles-

Extech PH7-P 7pH Buffer Solution, 2 Bottles
Model: PH7-P

Your Price $29.99 USD
Availability 4 to 5 Weeks

Qty:

Your Price $29.99 USD
Availability 4 to 5 Weeks
Quantity

Extech EC-1413-P 1413µS Conductivity Standard, 2 Bottles-

Extech EC-1413-P 1413µS Conductivity Standard, 2 Bottles
Model: EC-1413-P

Your Price $34.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $34.99 USD
Availability 1 to 2 Weeks
Quantity

Extech EC-84-P 84µS Conductivity Standard, 2 Bottles-

Extech EC-84-P 84µS Conductivity Standard, 2 Bottles
Model: EC-84-P

Your Price $34.99 USD
Availability 4 to 5 Weeks

Qty:

Your Price $34.99 USD
Availability 4 to 5 Weeks
Quantity

Extech PH103 Tripak Buffer Pouches, 4, 7, and 10pH plus Rinse Solution-

Extech PH103 Tripak Buffer Pouches, 4, 7, and 10pH plus Rinse Solution
Model: PH103

Your Price $37.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $37.99 USD
Availability 1 to 2 Weeks
Quantity

Extech EC405 ExStik Replacement Conductivity Cell Module for ExStik Conductivity meters-

Extech EC405 ExStik Replacement Conductivity Cell Module for ExStik Conductivity meters
Model: EC405

Your Price $52.99 USD
Availability 1 Week

Qty:

Your Price $52.99 USD
Availability 1 Week
Quantity

Extech 850190 Thermistor Probe, 0 to 90.0°C-

Extech 850190 Thermistor Probe, 0 to 90.0°C
Model: 850190

Your Price $53.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $53.99 USD
Availability 1 to 2 Weeks
Quantity

Extech 601500 General Purpose Standard pH Electrode, 12 x 160mm-

Extech 601500 General Purpose Standard pH Electrode, 12 x 160mm
Model: 601500

Your Price $53.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $53.99 USD
Availability 1 to 2 Weeks
Quantity

Extech CL207 Chlorine Standard, 1ppm-

Extech CL207 Chlorine Standard, 1ppm
Model: CL207

Your Price $60.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $60.99 USD
Availability 1 to 2 Weeks
Quantity

Extech PH105 pH ExStik pH Electrode Module-

Extech PH105 pH ExStik pH Electrode Module
Model: PH105

Your Price $61.99 USD
Availability 5 to 6 Weeks

Qty:

Your Price $61.99 USD
Availability 5 to 6 Weeks
Quantity

Extech PH115 ExStik pH Electrode Module, Replacement Refillable -

Extech PH115 ExStik pH Electrode Module, Replacement Refillable
Model: PH115

Your Price $66.99 USD
Availability 8 to 9 Weeks

Qty:

Your Price $66.99 USD
Availability 8 to 9 Weeks
Quantity

Extech 60120B Mini pH Electrode, 10 x 120mm-

Extech 60120B Mini pH Electrode, 10 x 120mm
Model: 60120B

Your Price $68.99 USD
Availability 1 Week

Qty:

Your Price $68.99 USD
Availability 1 Week
Quantity

Extech 850185 RTD Temperature Probe, -40 to 450°C-

Extech 850185 RTD Temperature Probe, -40 to 450°C
Model: 850185

Your Price $71.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $71.99 USD
Availability 1 to 2 Weeks
Quantity

Extech 6015WC Waterproof 4-Wire pH Electrode for Palm pH, 1m Cable-

Extech 6015WC Waterproof 4-Wire pH Electrode for Palm pH, 1m Cable
Model: 6015WC

Your Price $76.99 USD
Availability 6 to 7 Weeks

Qty:

Your Price $76.99 USD
Availability 6 to 7 Weeks
Quantity

Extech RE305 Spare ORP Electrode-

Extech RE305 Spare ORP Electrode
Model: RE305

Your Price $79.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $79.99 USD
Availability 1 to 2 Weeks
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 DO603 Replacement Membrane Kit for the Extech ExStik-

Extech DO603 Replacement Membrane Kit for the Extech ExStik
Model: DO603

Your Price $89.99 USD
Availability 1 to 2 Weeks

Qty:

Your Price $89.99 USD
Availability 1 to 2 Weeks
Quantity

Extech 804010A Polymer Conductivity Cell Probe-

Extech 804010A Polymer Conductivity Cell Probe
Model: 804010A

Your Price $93.99 USD
Availability 2 to 3 Weeks

Qty:

Your Price $93.99 USD
Availability 2 to 3 Weeks
Quantity