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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.
$532.00 USD/EACH
 $478.80 USD/EACH

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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.
$84.50 USD/EACH

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pH Electrode, bulb, HF resistant, Pt-1000 ATC, 3/4" NPT threads

  • Product Type: pH Electrode
  • pH range: 0 to 14
  • Temp range: 10 to 80C
Mfg Part# 3-2726-HF-00
DO-56561-04
In stock.
$499.00 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
Available for order
or call 1-888-358-4712 to order
$344.00 USD/EACH
 $309.60 USD/EACH

Qty:

pH Electrode, flat surface, 3KOhm Balco thermistor ATC, 3/4" NPT threads

  • Product Type: pH Electrode
  • pH range: 0 to 14
  • Temp range: -10 to 85C
Mfg Part# 3-2724-10
DO-56561-02
In stock.
$370.00 USD/EACH

Qty:

pH Electrode, bulb, Pt-1000 ATC, 3/4" NPT threads

  • Product Type: pH Electrode
  • pH range: 0 to 14
  • Temp range: -10 to 85C
Mfg Part# 3-2726-00
DO-56561-08
In stock.
$350.00 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.
$240.20 USD/EACH
 $216.18 USD/EACH

Qty:

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

  • Product Type: pH Electrode
  • Special features: General purpose
  • Body type: Epoxy
Mfg Part# 9106BNWP
DO-05712-41
In stock.
$161.30 USD/EACH
 $145.17 USD/EACH

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Oakton pH Probe, Sealed/SJ/Epoxy/High pH Sodium/3 ft Cable; BNC

  • Product Type: pH Electrode
  • Special features: High sodium/high pH
  • Body type: Epoxy
Mfg Part#
DO-35805-05
In stock.
$55.65 USD/EACH
 $50.08 USD/EACH

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Semi-domed pH electrode, PPS housing, 10-ft cable, BNC connector

  • Product Type: pH Electrode
  • Range: 0 to 12
  • Temp range: 32 to 230°F (0 to 110°C)
Mfg Part#
DO-27021-00
Available for order
or call 1-888-358-4712 to order
$230.90 USD/EACH
 $207.81 USD/EACH

Qty:

Thermo Scientific Orion Green pH Probe, Refillable/DJ/Epoxy; WP BNCrion

  • Product Type: pH Electrode
  • Body type: Epoxy
  • Reference junction: Double-junction
Mfg Part# GD9156BNWP
DO-05714-06
In stock.
$235.30 USD/EACH
 $211.77 USD/EACH

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Thermo Scientific Orion pH/ATC Probe, Sealed/SJ/Epoxy/5 ft; BNC/8-Pin DIN

  • Product Type: Sealed, gel-filled
  • Special features: Built-in ATC
  • Body type: Epoxy
Mfg Part# 9107BNMD
DO-58823-30
In stock.
$290.80 USD/EACH
 $261.72 USD/EACH

Qty:

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

  • Product Type: pH Electrode
  • Special features: General purpose
  • Body type: Glass
Mfg Part# 8102BN
DO-05718-02
In stock.
$472.50 USD/EACH
 $425.25 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.
$154.30 USD/EACH
 $138.87 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.
$272.30 USD/EACH

Qty:
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