Electrode Pair: Temperature Range -10°C to 150°C

Component Specifications

Definition

An electrode pair is a critical component of conductivity probes, consisting of two precisely spaced electrodes that measure the electrical conductivity of liquids by applying an alternating current and measuring the resulting voltage drop across the fluid medium. These electrodes are designed for accurate, stable measurements in various industrial applications.

Working Principle

The electrode pair operates on the principle of conductive measurement where an alternating current is passed between the two electrodes submerged in a liquid. The conductivity is calculated based on the measured resistance between the electrodes, which is inversely proportional to the solution's ionic concentration and temperature.

Materials

Electrodes typically use platinum, stainless steel (316L), titanium, or graphite with insulating materials like PTFE, PEEK, or ceramic for housing and spacing. Electrode surfaces may be plated with platinum black for enhanced surface area and measurement stability.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Cell Constant	0.1-10.0 cm⁻¹
Electrode Area	0.1-2.0 cm²
Pressure Rating	Up to 10 bar
Resistance Range	0.1 μS/cm to 2000 mS/cm
Electrode Spacing	1-10 mm typical
Temperature Range	-10°C to 150°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 7888, DIN 19266, ASTM D1125

Parent Products

This component is used in the following industrial products

Conductivity Probe

A sensor that measures the electrical conductivity of a solution to monitor cleaning effectiveness in CIP systems.

View Product Details

Engineering Analysis

Risks & Mitigation

Electrode fouling
Polarization effects
Temperature sensitivity
Electrical interference
Mechanical damage

FMEA Triads

Trigger: Contamination buildup on electrode surfaces
Failure: Reduced measurement accuracy and signal drift
Mitigation: Regular cleaning protocols, self-cleaning electrode designs, and protective coatings

Trigger: Improper electrode spacing due to mechanical stress
Failure: Inconsistent cell constant and measurement errors
Mitigation: Robust housing design, proper installation procedures, and regular inspection

Trigger: Material degradation in aggressive chemicals
Failure: Electrode corrosion and complete measurement failure
Mitigation: Material compatibility analysis, protective coatings, and scheduled replacement

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Cell constant tolerance ±2% typical, electrode spacing tolerance ±0.1 mm

Test Method

Calibration against standard conductivity solutions per ISO 7888, electrical continuity testing, and immersion testing

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Electrode Pair

Manufacturer profiles associated with Electrode Pair.

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Frequently Asked Questions

What factors affect electrode pair accuracy?

Electrode spacing consistency, surface condition, material selection, temperature compensation, and proper calibration all significantly impact measurement accuracy.

How often should electrode pairs be calibrated?

Calibration frequency depends on application severity, but typically ranges from monthly for critical processes to quarterly for general monitoring, with verification against standard solutions.

Can electrode pairs be used in corrosive environments?

Yes, with proper material selection such as titanium or platinum electrodes and PTFE/PEEK insulation for chemical resistance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Electrode Pair