Simco FMX-003 Notice D'utilisation page 27

8.2. Operation
8.2.1. Switch-on
− Press the [POWER] button.
− Press the [IB] button, to turn on the ion balance measuring circuit.
The text [IB] is visible on the display, the distance indicating LED's do not light up.
8.2.2. Switch-off
− Press the [POWER] button.
8.2.3. Zeroing
Attention:
− Zeroing is not possible if the display of an activated instrument shows a value >50 V.
− Zeroing is not possible if the [HOLD] function is active.
1. Point the measuring instrument to a non-charged (earthed) surface.
2. Press the grey button [ZERO] to zero the display.
8.3. Measurement
Warning:
For reliable measurements the relative humidity must not exceed 60%.
Note
− To obtain proper measurements, earthing of the measuring instrument is essential.
− The buzzer sounds continuously, when a value higher than 220 volts is displayed
(overrange). Stop measurement in this case.
1. Earth the ion balance plate to remove any remaining static charge.
2. Earth the conductive case with the supplied grounding lead.
3. Switch on to the IB measuring, [POWER] button once and then [IB] button once. The
distance indicating LED's do not light up.
4. Point the measuring instrument to an earthed surface.
5. If reading > zero: press the [ZERO] button.
6. Hold the measuring instrument in the ionized air flow to be measured.
7. The measuring instrument indicates the voltage measured (V) and the polarity.
9. Maintenance
9.1. General
− Keep the measuring instrument clean.
− Replace the battery when indicated by the battery indicator [5.3].
FMX - 003 97.52.02.08.20
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www.DataSheet4U.com
08/08