Gas Pressure Inspection Tools - Ariston M1 10L FF Service Manual

3.3 Gas pressure inspection tools

3.3.1 Digital low pressure gauge
3.3.2 Type U pressure gauges
Note:
·Inject into water to middle position to get max. measurement range, i.e. full length of caliper. Type
U pressure gauge provided by MTS after sales warehouse is a folding type with its zero graduation
in middle and max. range of 5000Pa.
·Pressure reading h=h
·Units converting: 1 millimeter of water=10Pa / 1mmH
Technical Manual for DGI
：Inlet for Negative pressures or Positive pressures
+/-
HOLD：
UNITS：
100mmH
2
ON/OFF：
ZERO：
Spare part code：005434
+h
1 2
O=9.806 hPa =9.8mbar=0.142P.S.I=0.0097atm.
O=10Pa
2
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