Electrostatic Charge Transfer Measurement

What Electrostatic Charge Transfer Measurement Answers

This test measures the charge released in a discrete electrostatic discharge, and supports assessment of whether that discharge is capable of igniting a flammable atmosphere. The result applies to the submitted sample, preparation, conditioning, and test conditions stated in the report. As with any single lab value, we’re careful not to generalize it as a universal property of the material, since particle size, moisture, temperature, pressure, geometry, and formulation can all shift the outcome.

Test Method and Standard

The object or material is charged under a defined worst case scenario, then discharged through a calibrated measurement arrangement. The transferred charge and discharge behavior are recorded over repeated trials. Testing follows IEC 60079-0 and IEC TS 60079-32-1 where applicable, or an agreed project specific method, and the quotation identifies the governing method before work begins.

What You Receive

• Transferred charge per discharge
• Charging method, geometry, polarity, and environmental conditions
• Comparison against relevant ignition sensitivity information

How the Data Supports Decisions

This result helps determine whether discharges from a specific object or material could ignite the atmosphere present, informs the design of grounding, conductive paths, and charge limiting features, and supports qualification of nonmetallic equipment or products for hazardous areas.

When to Order This Test

• A nonconductive object in your process can become highly charged
• You need to evaluate brush, propagating brush, or spark-like discharges specifically
• Product certification or an electrostatic hazard assessment requires a measured charge value rather than an estimate

Sample Submission Guidance

We need the actual component or a representative test article, along with dimensions, materials, and intended use. Multiple specimens may be required for destructive or repeat testing. Include the SDS, composition or trade name information, physical form, process description, and whether the sample should be tested as received or prepared to a different condition.

Why Choose HazBasis

• This test exists specifically because a resistivity or decay result alone doesn’t tell you the actual energy released in a discharge event, and that energy is what needs to be compared against the atmosphere’s minimum ignition energy. We connect the two directly in the interpretation rather than leaving that comparison to you.
• Worst case charging scenarios matter more here than in most other electrostatic tests, since the geometry and charging method used can change the result significantly. We define that scenario with you before testing, not after.
• Brush discharge, propagating brush discharge, and spark-like discharge behave differently and carry different risk, so the report identifies which discharge type was actually observed rather than reporting a single generic number.

FAQ