Electrodes

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Pair your turbidity meter, salinity meter and other types of water testers with a compatible electrode you can use in the laboratory or in the field. Explore pH electrodes that can easily fit inside a test tube, ORP electrodes with generous cable lengths, waterproof electrodes that can take multiple readings at once and more.

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Conductivity Electrodes

Dissolved Oxygen Electrodes

ORP Electrodes

pH Electrodes

TDS Electrodes

Conductivity Electrodes

Dissolved Oxygen Electrodes

ORP Electrodes

pH Electrodes

TDS Electrodes

Showing 1 to 20 of 114 products

TPI 397 Accurate Pen-Style pH Tester, 0.1 to 14 pH
Model: 397

Sale Price	$106.83 USD
Regular Price	$124.95 USD
Availability	1 to 2 Weeks2 to 3 Weeks

Qty:

Sale Price	$106.83 USD
Regular Price	$124.95 USD
Availability	1 to 2 Weeks2 to 3 Weeks
Quantity

RIDGID 65117 Wash Wand Nozzle, water jetter
Model: 65117

Sale Price	$49.00 USD
Regular Price	$57.05 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$49.00 USD
Regular Price	$57.05 USD
Availability	2 to 3 Weeks
Quantity

REED R3530-ELECTRODE Conductivity/TDS/Salinity Electrode
Model: R3530-ELECTRODE

Your Price	$39.00 USD
Availability	22 in Stock

Qty:

Your Price	$39.00 USD
Availability	22 in Stock
Quantity

REED R3525-ELECTRODE2 ORP Electrode, 39" (1m) Cable
Model: R3525-ELECTRODE2

Your Price	$109.00 USD
Availability	50 in Stock

Qty:

Your Price	$109.00 USD
Availability	50 in Stock
Quantity

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

REED R3500-ELECTRODE pH Electrode
Model: R3500-ELECTRODE

Your Price	$39.00 USD
Availability	22 in Stock

Qty:

Your Price	$39.00 USD
Availability	22 in Stock
Quantity

Onset HOBO U26-001 Dissolved Oxygen Data Logger
Model: U26-001

Your Price	$1395.00 USD
Availability	5 to 6 Weeks

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Your Price	$1395.00 USD
Availability	5 to 6 Weeks
Quantity

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Ohaus STSURF Starter Series pH Electrode, 2.00 to 12 pH
Model: STSURF | Order No: 83033969

Sale Price	$152.00 USD
Regular Price	$178.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$152.00 USD
Regular Price	$178.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STSURF Starter Series pH Electrode, 2.00 to 12 pH
Model: STSURF | Order No: 30129470

Sale Price	$179.00 USD
Regular Price	$210.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$179.00 USD
Regular Price	$210.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STMICRO8 Starter Series pH Electrode, 0.00 to 14 pH
Model: STMICRO8 | Order No: 30087569

Sale Price	$297.00 USD
Regular Price	$349.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$297.00 USD
Regular Price	$349.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STMICRO5 Starter Series pH Electrode, 0.00 to 14 pH
Model: STMICRO5 | Order No: 30087566

Sale Price	$278.00 USD
Regular Price	$327.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$278.00 USD
Regular Price	$327.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STDO21 Starter Series Dissolved Oxygen Electrode, 0.00 to 20.0 mg/L (ppm), 3.28' cable
Model: STDO21 | Order No: 30378544

Sale Price	$1220.00 USD
Regular Price	$1435.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1220.00 USD
Regular Price	$1435.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STDO21 Starter Series Dissolved Oxygen Electrode, 0.00 to 20.0 mg/L (ppm), 16.4' cable
Model: STDO21 | Order No: 30378545

Sale Price	$1258.00 USD
Regular Price	$1480.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1258.00 USD
Regular Price	$1480.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STDO11 Starter Series Dissolved Oxygen Electrode, 0 to 200%, 3.6' cable
Model: STDO11 | Order No: 30031639

Sale Price	$401.00 USD
Regular Price	$471.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$401.00 USD
Regular Price	$471.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STCON3 Starter Series IP67 Conductivity Electrode, 2 μS/cm to 200 mS/cm, 9.84' cable
Model: STCON3 | Order No: 30468962

Sale Price	$437.00 USD
Regular Price	$514.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$437.00 USD
Regular Price	$514.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus STCON3 Starter Series Conductivity Electrode, 2 μS/cm to 200 mS/cm, 3.6' cable
Model: STCON3 | Order No: 83033972

Sale Price	$332.00 USD
Regular Price	$390.00 USD
Availability	5 Days

Qty:

Sale Price	$332.00 USD
Regular Price	$390.00 USD
Availability	5 Days
Quantity

Ohaus ST400D-G Starter 400D Portable Dissolved Oxygen Meter with probe, 0 to 20 ppm
Model: ST400D-G | Order No: 30378542

Sale Price	$1517.00 USD
Regular Price	$1784.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$1517.00 USD
Regular Price	$1784.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus ST400D-B Starter 400D Portable Dissolved Oxygen Meter, 0 to 20 ppm
Model: ST400D-B | Order No: 30378541

Sale Price	$633.00 USD
Regular Price	$744.00 USD
Availability	2 to 3 Weeks

Qty:

Sale Price	$633.00 USD
Regular Price	$744.00 USD
Availability	2 to 3 Weeks
Quantity

Ohaus ST350 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 212°F
Model: ST350 | Order No: 30129354

Sale Price	$195.00 USD
Regular Price	$229.00 USD
Availability	1 to 2 Weeks

Qty:

Sale Price	$195.00 USD
Regular Price	$229.00 USD
Availability	1 to 2 Weeks
Quantity

Ohaus ST320 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 176°F
Model: ST320 | Order No: 83033967

Sale Price	$158.00 USD
Regular Price	$185.00 USD
Availability	3 Days

Qty:

Sale Price	$158.00 USD
Regular Price	$185.00 USD
Availability	3 Days
Quantity

Showing 1 to 20 of 114 products

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Electrodes

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TPI 397 Accurate Pen-Style pH Tester, 0.1 to 14 pH Model: 397

Qty:

RIDGID 65117 Wash Wand Nozzle, water jetter Model: 65117

Qty:

REED R3530-ELECTRODE Conductivity/TDS/Salinity Electrode Model: R3530-ELECTRODE

Qty:

REED R3525-ELECTRODE2 ORP Electrode, 39" (1m) Cable Model: R3525-ELECTRODE2

Qty:

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

Qty:

REED R3500-ELECTRODE pH Electrode Model: R3500-ELECTRODE

Qty:

Onset HOBO U26-001 Dissolved Oxygen Data Logger Model: U26-001

Ohaus STSURF Starter Series pH Electrode, 2.00 to 12 pH Model: STSURF | Order No: 83033969

Qty:

Ohaus STSURF Starter Series pH Electrode, 2.00 to 12 pH Model: STSURF | Order No: 30129470

Qty:

Ohaus STMICRO8 Starter Series pH Electrode, 0.00 to 14 pH Model: STMICRO8 | Order No: 30087569

Qty:

Ohaus STMICRO5 Starter Series pH Electrode, 0.00 to 14 pH Model: STMICRO5 | Order No: 30087566

Qty:

Ohaus STDO21 Starter Series Dissolved Oxygen Electrode, 0.00 to 20.0 mg/L (ppm), 3.28' cable Model: STDO21 | Order No: 30378544

Qty:

Ohaus STDO21 Starter Series Dissolved Oxygen Electrode, 0.00 to 20.0 mg/L (ppm), 16.4' cable Model: STDO21 | Order No: 30378545

Qty:

Ohaus STDO11 Starter Series Dissolved Oxygen Electrode, 0 to 200%, 3.6' cable Model: STDO11 | Order No: 30031639

Qty:

Ohaus STCON3 Starter Series IP67 Conductivity Electrode, 2 μS/cm to 200 mS/cm, 9.84' cable Model: STCON3 | Order No: 30468962

Qty:

Ohaus STCON3 Starter Series Conductivity Electrode, 2 μS/cm to 200 mS/cm, 3.6' cable Model: STCON3 | Order No: 83033972

Qty:

Ohaus ST400D-G Starter 400D Portable Dissolved Oxygen Meter with probe, 0 to 20 ppm Model: ST400D-G | Order No: 30378542

Qty:

Ohaus ST400D-B Starter 400D Portable Dissolved Oxygen Meter, 0 to 20 ppm Model: ST400D-B | Order No: 30378541

Qty:

Ohaus ST350 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 212°F Model: ST350 | Order No: 30129354

Qty:

Ohaus ST320 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 176°F Model: ST320 | Order No: 83033967

Qty:

TPI 397 Accurate Pen-Style pH Tester, 0.1 to 14 pH
Model: 397

RIDGID 65117 Wash Wand Nozzle, water jetter
Model: 65117

REED R3530-ELECTRODE Conductivity/TDS/Salinity Electrode
Model: R3530-ELECTRODE

REED R3525-ELECTRODE2 ORP Electrode, 39" (1m) Cable
Model: R3525-ELECTRODE2

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

REED R3500-ELECTRODE pH Electrode
Model: R3500-ELECTRODE

Onset HOBO U26-001 Dissolved Oxygen Data Logger
Model: U26-001

Ohaus STSURF Starter Series pH Electrode, 2.00 to 12 pH
Model: STSURF | Order No: 83033969

Ohaus STSURF Starter Series pH Electrode, 2.00 to 12 pH
Model: STSURF | Order No: 30129470

Ohaus STMICRO8 Starter Series pH Electrode, 0.00 to 14 pH
Model: STMICRO8 | Order No: 30087569

Ohaus STMICRO5 Starter Series pH Electrode, 0.00 to 14 pH
Model: STMICRO5 | Order No: 30087566

Ohaus STDO21 Starter Series Dissolved Oxygen Electrode, 0.00 to 20.0 mg/L (ppm), 3.28' cable
Model: STDO21 | Order No: 30378544

Ohaus STDO21 Starter Series Dissolved Oxygen Electrode, 0.00 to 20.0 mg/L (ppm), 16.4' cable
Model: STDO21 | Order No: 30378545

Ohaus STDO11 Starter Series Dissolved Oxygen Electrode, 0 to 200%, 3.6' cable
Model: STDO11 | Order No: 30031639

Ohaus STCON3 Starter Series IP67 Conductivity Electrode, 2 μS/cm to 200 mS/cm, 9.84' cable
Model: STCON3 | Order No: 30468962

Ohaus STCON3 Starter Series Conductivity Electrode, 2 μS/cm to 200 mS/cm, 3.6' cable
Model: STCON3 | Order No: 83033972

Ohaus ST400D-G Starter 400D Portable Dissolved Oxygen Meter with probe, 0 to 20 ppm
Model: ST400D-G | Order No: 30378542

Ohaus ST400D-B Starter 400D Portable Dissolved Oxygen Meter, 0 to 20 ppm
Model: ST400D-B | Order No: 30378541

Ohaus ST350 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 212°F
Model: ST350 | Order No: 30129354

Ohaus ST320 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 176°F
Model: ST320 | Order No: 83033967