OPERATING INSTRUCTIONSTo turn the meter on press
and hold the power button for 2
seconds.1. Zero the meterPrior to use, the meter must be zeroed. To do
this, ensure the meter is in a non-pressurized area, press and hold the
ZERO button for approximately four seconds. The display will show 888 to
indicate that the zero function has occurred.2. Measure PressureConnect
the flexible tube between the meter and the pressure source.When performing
single input measurement use the positive input.
The positive input is to the right when looking at the front of the
meter. Positive pressures will display as positive results, and negative
pressure will display a negative result. To perform pressure with respect to a
different area connect a tube to the positive port, place the
end of this tube to the area to be measured and the negative port open.
Results will show the pressure in the target area with respect to the area the
meter is located. Use both the positive and negative ports to perform
differential measurements. Place the positive port in the area expected to have
a higher pressure, and the negative port in the area of lower expected pressure.
3. SCALETo select the desired units press SCALE. Repeated presses of this
button will scroll through PSI (pounds per square inch), In-Wg (Inches water
gauge, or water scale), mBar (millibar), or Pa (Pascals). On the
Pascal scale the meter will automatically switch to hectopascals (hPa) when the
reading exceeds 1000 pascals. 1000 pascals is equal to 10 hectopascals.
DYNAMIC MIN/MAXThe EM201B will capture values for both the minimum and
maximum pressure measured. To reset press MIN/MAX until the display shows "- CLr". This will reset the values stored for minimum and maximum measured without
the need to disconnect and zero the pressure measurement. Captured values can be
displayed in any available scale.5. HOLDThe EM201B has a display hold
feature. Press this during reading to freeze the display. Press again to return
to actual measurement.6. BACKLIGHTThe EM201B has a backlit display.
Press to turn on or off the back light feature. The back light will stay on
until the button is pressed againNOTE: using the back light will significantly
reduce the battery life.7. OVER RANGE (OL)If the input exceeds the meter
range OL will be displayed. Immediately disconnect from the pressure supply
safely to reduce chances of damage to the instrument.
Link to Pressure Conversion Calculator (must have JAVA enabled)
Download Users Manual (PDF format)
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