Microsensor MPM380 Operation Manual page 6

please mount cut-off valve between flange connector and the pipe.
Attention: Please be sure that do not poke or press the diaphragm with iron wire, steel
pins and some hard or sharp objects to protect diaphragm.
The recommended installation to see chart 3:
6.3 Electric Connection
6.3.1Circuity principle chart
The circuitry principle chart of transducer supplied by constant current to see chart 4:
6.3.2 Electric connection method
The sensor is connected with outside circuit through 7-pin plug or cable.
Cable terminals and plug pins' definition:
Connection
+IN
-IN
-IN
+OUT
-OUT
Notice: 1. temp. compensated resistances R1 or R2 and zero compensated resistances R3 or
R4 have been calibrated and packed when the transducer is delivered.
2. Zero calibration could use 22Ω potentiometer. If zero is elevated, the user could
tra n s d u c e r
c u t-o ff v a lv e
p ip e
Chart 3
B lu e
B la c k
R e d
W h ite
Ye llo w
Chart 4
Cable Pins
Black 3
Yellow
White 1
Red 2
Blue 4
4
MPM380 Piezoresistive Pressure Transducer
5