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

  • Product Type: pH Electrode
  • Special features: General purpose
  • Body type: Glass
Mfg Part# 8102BNUWP
DO-05718-70
In stock.
$599.00 USD/EACH
 $539.10 USD/EACH

Qty:

Oakton Fast-response pH Electrode,6x106mm, Glass Body, Double Junction, REfill

  • Product Type: pH Electrode
  • Body type: Glass
  • Reference junction: Double
Mfg Part# OK5575702W-003B
DO-35805-68
Available for order
or call 1-888-358-4712 to order
$183.00 USD/EACH
 $164.70 USD/EACH

Qty:

Oakton All-in-One pH/ATC Probe,Refillable/DJ/Glass; BNC/Mini-Phono

  • Product Type: pH Electrode
  • Special features: High sodium/high pH applications, Built-in ATC
  • Body type: Glass
Mfg Part#
DO-35811-74
In stock.
$248.00 USD/EACH
 $223.20 USD/EACH

Qty:

Thermo Scientific Orion pH Probe, Refillable/SJ/Epoxy; WP BNC

  • Product Type: pH Electrode
  • Special features: General purpose
  • Body type: Epoxy
Mfg Part# 9156BNWP
DO-05712-71
In stock.
$246.00 USD/EACH
 $221.40 USD/EACH

Qty:

Thermo Scientific Orion pH/ATC Probe, Sealed/SJ/Epoxy/10 ft; BNC/8-Pin DIN

  • Product Type: Sealed, gel-filled
  • Special features: Built-in ATC
  • Body type: Epoxy
Mfg Part# 9107WMMD
DO-58822-30
In stock.
$374.00 USD/EACH
 $336.60 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:

Oakton pH Electrode,6x106 mm, Glass Body, Single Junction, Refill

  • Product Type: pH Electrode
  • Body type: Glass
  • Reference junction: Single
Mfg Part# OK5575502W-003B
DO-35805-61
Usually ships in 12 days.
$224.00 USD/EACH
 $201.60 USD/EACH

Qty:

Oakton pH Electrode,12x106 mm, Epoxy Body, Single Junction, Refill

  • Product Type: pH Electrode
  • Body type: Epoxy
  • Reference junction: Single
Mfg Part# OK5735526R-003B
DO-35805-62
Usually ships in 11 days.
$83.50 USD/EACH
 $75.15 USD/EACH

Qty:

pH Electrode, bulb, 3KOhm Balco thermistor, 3/4" NPT threads

  • Product Type: pH Electrode
  • pH range: 0 to 14
  • Temp range: -10 to 85C
Mfg Part# 3-2726-10
DO-56561-10
In stock.
$350.00 USD/EACH

Qty:

Oakton pH Electrode,12x106 mm, Epoxy Body, Double Junction, Refill

  • Product Type: pH Electrode
  • Body type: Epoxy
  • Reference junction: Double
Mfg Part# OK573TF711WR-003B
DO-35805-63
Available for order
or call 1-888-358-4712 to order
$169.00 USD/EACH
 $152.10 USD/EACH

Qty:

Submersible 3-ft pH electrode, 10-ft cable, BNC

  • Product Type: pH Electrode
  • Range: 0 to 12
  • Temp range: 32 to 176°F (0 to 80°C)
Mfg Part#
DO-27021-80
Available for order
or call 1-888-358-4712 to order
$199.00 USD/EACH

Qty:

pH Electrode, bulb, 3KOhm Balco thermistor, ISO 7/1 R3/4 threads

  • Product Type: pH Electrode
  • pH range: 0 to 14
  • Temp range: -10 to 85C
Mfg Part# 3-2726-11
DO-56561-11
Available for order
or call 1-888-358-4712 to order
$325.00 USD/EACH

Qty:

Oakton pH Electrode,12x106mm, Epoxy Body, Single Junction, Sealed

  • Product Type: pH Electrode
  • Body type: Epoxy
  • Reference junction: Single
Mfg Part# OK5735526R-003B
DO-35805-64
Usually ships in 11 days or sooner.
$83.50 USD/EACH
 $75.15 USD/EACH

Qty:

Cole-Parmer All-in-One pH/ATC Probe, Refillable/DJ/Glass; for Oakton Series

  • Product Type: pH Electrode
  • pH range: 0 to 14
  • Temp range: 0 to 110°
Mfg Part#
DO-05991-36
In stock.
$245.00 USD/EACH
 $220.50 USD/EACH

Qty:

Cole-Parmer Insertion/Submersion pH Probe; DJ/CPVC/None; None/BNC

  • Product Type: pH Electrode
  • Junction: Double
  • pH range: 0 to 14
Mfg Part# 1923737-010B
DO-27301-20
In stock.
$200.00 USD/EACH

Qty:
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