Ultra Stable Surface DC Voltmeter – Model USSVM2

$1,250.00 HST

The Ultra Stable Surface Voltmeter Model USSVM2 utilizes a sensor shutter/switcher technology which provides long term stability without drift. This technology also eliminates false or offset readings due to charged air molecules (air ions). The sensor has a 29 inch detachable cable which can be extended up to 9’.

The meter measures the magnitude and polarity of static charge on objects or surfaces. The sensor is calibrated for measuring a surface at 1” from the end of the sensor. On metallic or conductive surfaces, the meter measures the voltage on the surface (with the displayed reading depending somewhat on the size of the object being measured and the distance between the object and the sensor.) On insulating surfaces, “voltage” is not a well-defined number. In this case, the meter reads a number proportional to the static charge present.

The USSVM2 has high sensitivity (resolution), and can detect even a 1/10 volt charge anywhere within its full range of +19,999.9 to -19,999.9 volts. Thus it is easy to measure whether a given process is increasing or decreasing the static electricity present, even if the increase or decrease is by a tiny fraction.

A peak hold function displays the highest positive or negative level measured since the last time that the peak hold values were cleared. The peak value is the maximum deviation from zero, and the polarity is indicated.

An analog output jack provides a DC output voltage of +/- 0 to 2 volts which proportionally corresponds to the display measurement of 0 to 20K Volts.

USB port allows reading to be recorded and uploaded to a PC. Real-time data streaming is also supported via the USB Port.

With this meter, all of the following can be measured:

The amount of charge (or voltage) on surfaces and the effectiveness of anti-static processing. Measuring a tiny fractional change in the surface voltage is useful because it tells you whether the problem is getting better or worse as a new remedy is tried and modified.

The location, strength and polarity of all static sources.

The approximate conductivity or ohms per square of surfaces.

The approximate attractive/repulsive force between charged surfaces. (This can be calculated from the readings.)

Voltage differential through the thickness of an insulating sheet or film

Available on backorder


Additional information

Weight .75 kg
Dimensions 15.5 × 15.5 × 15.5 cm


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