Transforming Technologies OhmMETRICS EFM250 Manual

The Transforming Technologies EFM250 is a convenient electrostatic
field meter used to locate and measure static voltages on surfaces. Its
compact design and four button operation makes it easy to operate.
The EFM250 measures static voltages within ±20kV (20,000V) at a
distance of 1". It utilizes a non-contact technology, with a double LED
guide to ensure accurate detection distance from the charged object.
Results are dis-played numerically on an easy to read LCD screen.
The EFM250 field meter is an ideal meter for process evaluation, static
audits, and is best used in electronics, plastics, chemicals, printing,
optoelectronics and other industries. The EFM250 meets periodic test
requirements per Compliance Verification ESD TR53.
Features
Designed for Measuring Static Voltages on Surfaces for ESD Compliance.
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Measuring Range: + 0 ~ 20 kV
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Easy To Operate: Four Button Controls
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• Large LCD Results Display
Ergonomic Design
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Battery Operated: Two AAAs
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NOTE: Please read the manual prior to using the EFM250.
Parts Included
1 – EFM250 Field Meter
1 – Manual
1 – Certification of Calibration
Button Functions
1. POWER: Turns meter on. Type: A short press turns on display. Long press to turn off
2. ZERO: Zeros out the measurement. Do not zero out when the meter is exposed to static.
This will change the accuracy of the measurement. Type: Long press
3. WD: Turns on/off the LED guide. Type: Short press.
4. BL: Turns on/off the back light of the screen. Type: Short press.
5. HOLD: Freeze/unfreeze the current measurement screen. This allows the results to be read
easier. Type: Short press to hold data on screen. Short press again to resume real time
display.
OhmMETRICS EFM250 Static Field Meter