Amprobe MANO2-A Manuale d'uso - Pagina 7

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Amprobe MANO2-A Manuale d'uso
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1.
first, manually set the display to zero (no pressure applied to the connector ), refer to the
manual zero procedure.
2.
Turn the meter off.
3.
press
� &
simultaneously, "CA" appears on the display, (See fig. 9 ) the meter enters
to the calibration mode, make sure the units setting on "pSI" to start positive (+) pressure
calibration.
4.
The meter has defaulted as 1.6 psi calibration point, the adjustable pressure range is from
1.5 to 1.7.
if calibration pressure source is not 1.6 psi, increase by pressing
pressing � key to set calibration point as required.
5.
Save the calibration point by pressing
display in 2 seconds (See fig. 10). The meter auto-skips to the negative pressure (-) point for
next calibration mode.
6.
follow the same procedure as step 4 for the negative pressure calibration point.
The lCD now displays" -1.600 " and small"CA" (See fig.11 ). perform the necessary
calibration figure. Refer to your pressure standard if needed.
7.
Again save the calibration point by pressing
and then press
;"End"and "CA" appear in another 2 seconds. The meter turns back to
the normal mode (See fig. 12 ).
if you can't save by pressing
key, i.e. no "SA" appeared, please check the followings:
• the calibration pressure source is between 1.5 and 1.7. or
• if you entered the right positive pressure (+) or negative pressure (-).
if you want to skip positive (+) calibration when in the calibration mode, press
skip to negative (-) calibration point.

Calibration point reference

psi Range
Calibration point (+/-)
0~+/-2

MANUAL ZERo SEttING

when you set the display to zero( no pressure applied to the connector), press the
for 2 seconds. The meter should display "- 0 .000" from right to left (See fig.13). Then, the lCD
display shows normal mode.

tRoUBLESHootING

Cannot power on.
Check the battery connections. Replace the battery or attach optional AC adaptor.
Low BAt indication.
Replace the battery when lCD displays BAt.
GlobalTestSupply
www.
key, or decrease by
key, "SA" and small "CA" appears on the
key, "SA" and "CA" appears in 2 seconds
key to
Recommended (+/-)
1.6
1.5~1.7
7
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key