ESD Probes

ESD Measuring

ESD sensors and electrodes are the critical measurement interfaces in any electrostatic protection program - converting surface charge, field strength, and ionization balance into verifiable electrical signals. High-quality field meters typically measure electrostatic fields from 0 to ±20 kV at distances of 25-300 mm, while surface resistance probes operate across a resistance range of 10¹ to 10¹² Ω in compliance with IEC 61340-5-1 and ANSI/ESD S7.1. Ionizer performance electrodes verify offset voltage to within ±5 V and discharge times below 2 seconds per IEC 61340-5-1 requirements.

As a specialist distributor for ESD measurement and test equipment, esd.equipment stocks 33 sensors and electrode types from leading manufacturers - all verified against DIN EN 61340-5-1, ANSI/ESD S20.20, and IEC 61010-1 for safe use in EPA-controlled environments. Whether you require replacement electrodes for existing test instruments, standalone field sensors for process monitoring, or ionizer verification probes, this range covers the full measurement chain for a compliant ESD control program.

Key technical advantages - Sensors and Electrodes at a glance
0 to ±20 kV measurement range - electrostatic field sensors for EPA workstation monitoring per IEC 61340-5-1
🔍 10¹ - 10¹² Ω resistance range - surface and volume resistance electrodes per ANSI/ESD S7.1 and IEC 61340-4-1
🛡 Offset voltage ±5 V accuracy - ionizer balance verification electrodes compliant with IEC 61340-5-1 Section 5.3
Compatible probe interfaces - standard BNC, SMA, and banana connectors for direct connection to Simco, Trek, and SCS instruments
Discharge time < 2 s verified - ionization performance electrodes measure charge plate decay to ANSI/ESD S3.1 test method
📝 33 stocked sensor types - field sensors, resistance probes, charge plate assemblies, and replacement electrodes for immediate dispatch

ESD Sensor and Electrode Types - Technical Comparison

Criterion Field Sensor / Fieldmeter Resistance Probe Electrode Ionizer Verification Electrode Charge Plate Assembly
Primary measurand Electrostatic field (V/m or kV) Surface / volume resistance (Ω) Offset voltage (V), balance Discharge time (s), offset voltage
Measurement range 0 to ±20 kV (at 25-300 mm) 10¹ - 10¹² Ω ±5 V offset, ±2 kV charge 0 to ±1 kV, decay < 2 s
Applicable standard IEC 61340-5-1, ANSI/ESD S20.20 ANSI/ESD S7.1, IEC 61340-4-1 IEC 61340-5-1 Sec. 5.3 ANSI/ESD S3.1, IEC 61340-4-7
Typical instrument connection Standalone or BNC to fieldmeter Banana / BNC to resistance meter BNC to ionizer analyzer BNC / SMA to charge plate monitor
Key EPA application Workstation and process field survey Mat, flooring, garment testing Ionizer audit and certification Ionizer acceptance and periodic test
Replacement / calibration cycle Annual calibration recommended Annual calibration Annual or after mechanical impact Annual calibration, traceable

Typical application areas: Electronics manufacturing and SMT assembly (IPC-A-610, IEC 61340-5-1), semiconductor wafer handling and fab environments (SEMI S1/S2, SEMI E187), medical device manufacturing (ISO 13485, IEC 61340-5-1), automotive electronics and ECU production (IATF 16949, VDA 6.3), aerospace and defense electronics assembly (AS9100, ANSI/ESD S20.20), R&D laboratories and ESD audit services requiring traceable field and resistance measurements.

33 Sensors and Electrodes in Stock Field sensors, resistance probes, ionizer electrodes, and charge plate assemblies - all verified for IEC 61340-5-1 compliance
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Compatible with Major Test Instruments Direct-fit electrodes and probes for Simco-Ion, Trek, SCS (3M), and Desco measurement platforms
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Norm-Compliant Measurement Chain Each sensor type referenced to ANSI/ESD S20.20, IEC 61340-5-1, ANSI/ESD S3.1, and S7.1 test methods
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