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Home  >  Sensors - pH

Sensors - pH

Sensors - pH

A pH electrode can come in single- or double-junction models. The pH electrode in the double-junction model is highly recommended for any application that is not relatively “clean” as they protect the reference half cell in the sensor against contamination from heavy metals, organics, protein, and sulfides. Body material depends on whether you are measuring pH in the lab or field or if you require in-line capabilities. For field work, epoxy-body pH electrodes are impact resistant and are ideal for rough handling. Glass-body electrodes are well-suited for laboratories since they withstand high temperatures and highly corrosive materials or solvents. Industrial applications require in-line pH sensors made from durable materials like CPVC, PPS, or PVDF. Both industrial and laboratory/field pH electrodes are available with or without Automatic Temperature Compensation (ATC) element. The ATC element and connectors should be properly paired to the needs of your meter or controller. For laboratory and field work, Thermo Scientific Orion and Oakton are your choices. For industrial, in-line pH measurements, electrodes are offered from GLI (Hach) and GF Signet (+GF+Signet). If you have questions about selecting a pH electrode contact a Davis Application Specialist today.
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Cole-Parmer pH Electrode Housing, in-line, self-cleaning, CPVC

  • Product Type: pH Electrode
  • Junction: Double
  • Max temperature: 212ºF(100ºC)
Mfg Part#
DO-27106-00
In stock.
$299.00 USD/EACH

Qty:

Oakton double-junction, epoxy-body, gel-filled pH electrode with ATC

  • Product Type: pH Electrode
  • Body type: Epoxy
  • Junction type: Double
Mfg Part#
DO-35801-72
In stock.
$158.00 USD/EACH
 $142.20 USD/EACH

Qty:

Thermo Scientific Orion pH/ATC Probe; Sealed/SJ/Epoxy, BNC/8-pin DIN

  • Product Type: Sealed, gel-filled
  • Special features: Built-in ATC
  • Body type: Epoxy
Mfg Part# 9107BN
DO-58819-91
In stock.
$310.00 USD/EACH

Qty:

Cole-Parmer Fast-response pH Electrode,12x110mm, Glass Body, Double Junction, Refill

  • Product Type: pH Electrode
  • Special features: Fast-response
  • Body type: Glass
Mfg Part# 5775701-003B
DO-55510-26
In stock.
$319.00 USD/EACH
 $287.10 USD/EACH

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Thermo Scientific Orion ROSS Ultra pH Probe, DJ/Glass/Semi-Micro; WP BNC

  • Product Type: pH Electrode
  • Special features: Semi-micro tip
  • Body type: Glass
Mfg Part# 8103BNUWP
DO-05718-75
Usually ships in 11 days.
$774.00 USD/EACH
 $696.60 USD/EACH

Qty:

Oakton General-Purpose pH Probe, Refillable/DJ/Glass/3 ft Cable; BNC

  • Product Type: pH Electrode
  • Body type: Glass
  • Reference junction: Double-junction
Mfg Part#
DO-35805-04
In stock.
$156.00 USD/EACH
 $140.40 USD/EACH

Qty:

pH Electrode, flat surface, Pt-1000 ATC, ISO 7/1 R3/4 threads

  • Product Type: pH Electrode
  • pH range: 0 to 14
  • Temp range: -10 to 85C
Mfg Part# 3-2724-01
DO-56561-01
Available for order
or call 1-888-358-4712 to order
$372.00 USD/EACH

Qty:

Cole-Parmer pH electrode, single-junction, gel, BNC connector

  • Product Type: pH Electrode
  • Applications: General purpose; prolonged pH readings
  • Body type: Epoxy
Mfg Part#
DO-59001-65
In stock.
$87.50 USD/EACH

Qty:

Oakton pH Electrode,12x110mm, Glass Body, Single Junction, Refill

  • Product Type: pH Electrode
  • Body type: Glass
  • Reference junction: Single
Mfg Part# OK5775501W-003B
DO-35805-60
Available for order
or call 1-888-358-4712 to order
$174.00 USD/EACH
 $156.60 USD/EACH

Qty:

In-Line pH Electrodes with CPVC Housing, 100Ω RTD

  • Product Type: pH Electrode
  • Junction: Double
  • Max temperature: 212ºF(100ºC)
Mfg Part#
DO-27106-10
In stock.
$475.00 USD/EACH

Qty:

Cole-Parmer Insertion/Submersion pH Probe; SJ/CPVC/100Ohm RTD; Tinned/BNC

  • Product Type: pH Electrode
  • Junction: Single
  • pH range: 0 to 14
Mfg Part# 1923537-010BTV12
DO-27300-23
Usually ships in 9 days.
$223.00 USD/EACH

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Thermo Scientific Orion pH Electode, Sealed/SJ/Epoxy/Long-Neck; BNC

  • Product Type: pH Electrode
  • Special features: Long neck
  • Body type: Epoxy
Mfg Part# 912600
DO-05711-51
In stock.
$395.00 USD/EACH
 $355.50 USD/EACH

Qty:

Cole-Parmer Fast-response pH Electrode,6x110mm, Glass Body, Double Junction, REfill

  • Product Type: pH Electrode
  • Special features: Fast-response
  • Body type: Glass
Mfg Part# 5575702W-003B
DO-55510-28
Usually ships in 12 days.
$380.00 USD/EACH
 $342.00 USD/EACH

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ORP Electrode, flat surface, ISO 7/1 R3/4 threads

  • Product Type: ORP Electrode
  • Range: -2000 to 2000 mV
  • Temp range: -10 to 85C
Mfg Part# 3-2725-61
DO-56561-17
Available for order
or call 1-888-358-4712 to order
$410.00 USD/EACH

Qty:

Thermo Scientific Orion ROSS Ultra pH Probe, Refillable/DJ/Epoxy; WP BNC

  • Product Type: pH Electrode
  • Special features: General purpose
  • Body type: Epoxy
Mfg Part# 8156BNUWP
DO-05718-77
Available for order
or call 1-888-358-4712 to order
$638.00 USD/EACH
 $574.20 USD/EACH

Qty:
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