ESD and Antistatic Products

Charge Plate Monitor

The Charge Plate Monitor is a bench instrument for evaluating ionizer charge-decay time and balance using an isolated conductive plate and controlled positive and negative test cycles.

Elevated isolated plate measures positive and negative ionizer decay performance.
Digital sequence reports decay time and residual offset voltage on one clear display.
Separate charging probe supports repeatable plate charging without disturbing the instrument setup.

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Product Introduction

This monitor uses a square brushed-stainless plate supported above the instrument base by four insulating standoffs. The isolated plate receives a known electrostatic charge, then measures how quickly an ionizer reduces that charge to a defined endpoint. The amber front display presents polarity, voltage, decay time and balance information, while four direct keys control the test sequence. A separate cabled charging probe applies the initial plate potential without requiring the operator to handle the sensing surface.

Key Features

Single isolated conductive plate provides a defined target for ionized-air evaluation.

Positive and negative decay cycles reveal neutralization performance for both polarities.

Balance or offset measurement identifies excess positive or negative ion output.

Four low-leakage standoffs maintain the plate air gap and electrical isolation.

Amber digital display remains readable under typical bench and clean manufacturing lighting.

Cabled charging probe keeps the charging source separate from the measurement controls.

Compact metal base supports stable positioning in front of blowers, bars and ionizing guns.

Customer Product Concerns

Ionizer performance cannot be judged from airflow alone; a controlled conductive target and repeatable voltage thresholds are needed to compare decay time and positive/negative balance.

A fieldmeter reading does not create a repeatable charged target.The isolated conductive plate establishes a consistent surface for controlled charging and decay measurement.

Positive and negative ion output may perform differently.Separate polarity cycles measure both positive and negative decay behavior.

Fast decay is mistaken for good balance.The monitor reports residual offset voltage independently from elapsed decay time.

Contamination or handling introduces leakage from the plate.Four accessible low-leakage insulators maintain separation and can be inspected during maintenance.

Manually timing a changing voltage produces inconsistent results.Digital thresholds and an internal timer automate the start-to-stop interval.

Typical Applications

Periodic verification of benchtop ionizing blowers.Balance and decay checks for overhead ionizers.Evaluation of ionizing guns and nozzles.Qualification of ionizing bars in electronics processes.Troubleshooting static neutralization in clean manufacturing areas.

Technical Parameters

The representative bench configuration below supports controlled ionizer decay and balance checks. Plate area, start/stop thresholds, polarity sequence, timer range, data output and probe charging level can be configured around the selected verification method.

Core Material	Brushed-stainless sensing plate with low-leakage PTFE supports and powder-coated steel base
Panel Thickness	2.0–3.0 mm instrument enclosure-panel thickness
Effective Width	150–180 mm active plate width
Maximum Length	Up to 280 mm instrument depth
Steel Facing Thickness	1.0–1.5 mm stainless sensing-plate thickness
Core Density	7800–8000 kg/m³ stainless-steel plate density
Thermal Conductivity	14–17 W/(m·K) for the stainless sensing plate
Surface Finish	Brushed stainless plate, white PTFE standoffs and matte charcoal powder-coated base
Joint Type	Isolated four-standoff charge plate connected to digital timer/balance electronics and detachable charging probe
Customization	Available based on the intended application and operating environment.

Available Options

Automatic alternating positive and negative decay sequence.Configurable start and stop voltages.Timed offset-voltage averaging.USB, serial or analog data output.Remote charge probe and alternative cable lengths.Carrying case, tripod and protective plate cover.

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