5
OPERATING INSTRUCTIONS
To turn the meter on press the power button for 2 seconds.
1. Zero the meter
Prior to use, the meter must be zeroed. To do this, ensure
the meter is in a non-pressurized area, and 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 Pressure
Connect the flexible tube between the meter and the
pressure source.
When performing single input measurement use the EM151
single port or the EM201B positive input. The EM201B
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.
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