Customer Rating

4.8/5 Stars

20965 REVIEWS

Electrodes

Search within this category

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.

Search within this category

Conductivity Electrodes

Conductivity Electrodes

Dissolved Oxygen Electrodes

Dissolved Oxygen Electrodes

ORP Electrodes

ORP Electrodes

pH Electrodes

pH Electrodes

TDS Electrodes

TDS Electrodes

Conductivity Electrodes

Conductivity Electrodes

Dissolved Oxygen Electrodes

Dissolved Oxygen Electrodes

ORP Electrodes

ORP Electrodes

pH Electrodes

pH Electrodes

TDS Electrodes

TDS Electrodes

Filter by

Showing 21 to 40 of 117 products

Ohaus ST310 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 176°F-

Ohaus ST310 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 176°F
Model: ST310 | Order No: 83033965

Sale Price $129.72 USD
Regular Price $208.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $129.72 USD
Regular Price $208.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST270 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 212°F-

Ohaus ST270 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 212°F
Model: ST270 | Order No: 30240974

Sale Price $264.14 USD
Regular Price $425.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $264.14 USD
Regular Price $425.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST260 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 212°F-

Ohaus ST260 Starter Series pH Electrode, 0.00 to 14 pH, 32 to 212°F
Model: ST260 | Order No: 30129357

Sale Price $149.46 USD
Regular Price $240.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $149.46 USD
Regular Price $240.00 USD
Availability 2 to 3 Weeks
Quantity

Ohaus ST230 Starter Series pH Electrode, 0.00 to 14 pH-

Ohaus ST230 Starter Series pH Electrode, 0.00 to 14 pH
Model: ST230 | Order No: 83033968

Sale Price $111.86 USD
Regular Price $180.00 USD
Availability 3 Days

Qty:

Sale Price $111.86 USD
Regular Price $180.00 USD
Availability 3 Days
Quantity

Ohaus ST210 Starter Series pH Electrode, 0.00 to 14 pH-

Ohaus ST210 Starter Series pH Electrode, 0.00 to 14 pH
Model: ST210 | Order No: 83033966

Sale Price $60.16 USD
Regular Price $96.00 USD
Availability 3 Days

Qty:

Sale Price $60.16 USD
Regular Price $96.00 USD
Availability 3 Days
Quantity

OAKTON WD-59001-75 ORP Electrode-

OAKTON WD-59001-75 ORP Electrode
Model: WD-59001-75

Sale Price $148.01 USD
Regular Price $202.75 USD
Availability 1 Week

Qty:

Sale Price $148.01 USD
Regular Price $202.75 USD
Availability 1 Week
Quantity

OAKTON WD-59001-70 General Purpose, Double Junction, Plastic Body, Gel Filled pH Combination Electrode-

OAKTON WD-59001-70 General Purpose, Double Junction, Plastic Body, Gel Filled pH Combination Electrode
Model: WD-59001-70

Sale Price $103.66 USD
Regular Price $142.00 USD
Availability 1 Week

Qty:

Sale Price $103.66 USD
Regular Price $142.00 USD
Availability 1 Week
Quantity

OAKTON WD-59001-65 pH Electrode, Single-Junction, Gel, BNC Connector-

OAKTON WD-59001-65 pH Electrode, Single-Junction, Gel, BNC Connector
Model: WD-59001-65

Sale Price $81.40 USD
Regular Price $111.50 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $81.40 USD
Regular Price $111.50 USD
Availability 1 to 2 Weeks
Quantity

OAKTON WD-35816-71 pH Electrode, All-in-One, Single Junction-

OAKTON WD-35816-71 pH Electrode, All-in-One, Single Junction
Model: WD-35816-71

Sale Price $221.92 USD
Regular Price $304.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $221.92 USD
Regular Price $304.00 USD
Availability 3 to 4 Weeks
Quantity

OAKTON WD-35811-74 All-in-One pH Temperature Electrode, Double-Junction, Refillable, Glass Body-

OAKTON WD-35811-74 All-in-One pH Temperature Electrode, Double-Junction, Refillable, Glass Body
Model: WD-35811-74

Sale Price $233.24 USD
Regular Price $319.50 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $233.24 USD
Regular Price $319.50 USD
Availability 4 to 5 Weeks
Quantity

OAKTON WD-35811-72 Acorn All-in-One pH Electrode, Double-Junction, Epoxy Body, Sealed-

OAKTON WD-35811-72 Acorn All-in-One pH Electrode, Double-Junction, Epoxy Body, Sealed
Model: WD-35811-72

Sale Price $145.09 USD
Regular Price $198.75 USD
Availability 2 in Stock

Qty:

Sale Price $145.09 USD
Regular Price $198.75 USD
Availability 2 in Stock
Quantity

OAKTON WD-35811-71 Acorn All-in-One pH Electrode, Single Junction, Epoxy Body, Sealed-

OAKTON WD-35811-71 Acorn All-in-One pH Electrode, Single Junction, Epoxy Body, Sealed
Model: WD-35811-71

Sale Price $106.95 USD
Regular Price $146.50 USD
Availability 2 in Stock

Qty:

Sale Price $106.95 USD
Regular Price $146.50 USD
Availability 2 in Stock
Quantity

OAKTON WD-35808-90 Waterproof Series All-in-1 Epoxy-Body Semi-Dome Single-Junction pH Electrode with Polymer Gel-

OAKTON WD-35808-90 Waterproof Series All-in-1 Epoxy-Body Semi-Dome Single-Junction pH Electrode with Polymer Gel
Model: WD-35808-90

Sale Price $231.59 USD
Regular Price $317.25 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $231.59 USD
Regular Price $317.25 USD
Availability 2 to 3 Weeks
Quantity

OAKTON WD-35808-72 pH Electrode with ATC, Double-Junction, Epoxy-Body, Gel-Filled, Waterproof -

OAKTON WD-35808-72 pH Electrode with ATC, Double-Junction, Epoxy-Body, Gel-Filled, Waterproof
Model: 35808-72 | Order No: WD-35808-72

Sale Price $159.14 USD
Regular Price $218.00 USD
Availability 9 in Stock

Qty:

Sale Price $159.14 USD
Regular Price $218.00 USD
Availability 9 in Stock
Quantity

OAKTON WD-35808-71 All-in-One Waterproof pH Electrode, Single Junction, Epoxy Body, Sealed-

OAKTON WD-35808-71 All-in-One Waterproof pH Electrode, Single Junction, Epoxy Body, Sealed
Model: WD-35808-71

Sale Price $125.01 USD
Regular Price $171.25 USD
Availability 1 in Stock

Qty:

Sale Price $125.01 USD
Regular Price $171.25 USD
Availability 1 in Stock
Quantity

OAKTON WD-35807-35 E. PTFE Junction pH Electrode, with ATC Element-

OAKTON WD-35807-35 E. PTFE Junction pH Electrode, with ATC Element
Model: WD-35807-35

Sale Price $219.91 USD
Regular Price $301.25 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $219.91 USD
Regular Price $301.25 USD
Availability 2 to 3 Weeks
Quantity

OAKTON WD-35807-25 Industrial Series F. PTFE Junction pH Electrode-

OAKTON WD-35807-25 Industrial Series F. PTFE Junction pH Electrode
Model: WD-35807-25

Sale Price $215.35 USD
Regular Price $295.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $215.35 USD
Regular Price $295.00 USD
Availability 2 to 3 Weeks
Quantity

OAKTON WD-35807-20 Industrial Series F. PTFE Junction pH Electrode-

OAKTON WD-35807-20 Industrial Series F. PTFE Junction pH Electrode
Model: WD-35807-20

Sale Price $298.75 USD
Regular Price $409.25 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $298.75 USD
Regular Price $409.25 USD
Availability 8 to 9 Weeks
Quantity

OAKTON WD-35806-22 D. Self Cleaning Flat ORP Electrode-

OAKTON WD-35806-22 D. Self Cleaning Flat ORP Electrode
Model: WD-35806-22

Sale Price $151.11 USD
Regular Price $207.00 USD
Availability 3 Days

Qty:

Sale Price $151.11 USD
Regular Price $207.00 USD
Availability 3 Days
Quantity

OAKTON WD-35806-21 Industrial Series Self-Cleaning Flat-Surface Double-Junction pH Electrode-

OAKTON WD-35806-21 Industrial Series Self-Cleaning Flat-Surface Double-Junction pH Electrode
Model: WD-35806-21

Sale Price $232.32 USD
Regular Price $318.25 USD
Availability 1 Week

Qty:

Sale Price $232.32 USD
Regular Price $318.25 USD
Availability 1 Week
Quantity
Showing 21 to 40 of 117 products
We Ship Free on Orders Over $99 within Canada
Chat Live

  • We accept these payment methods:
  • Visa, Master Card, Discover, American Express & PayPal
  • We also accept wire transfers/EFT, cheques and purchase orders on approved credit. Accepted payment methods vary by country.