Owner manual

WIRE COLOR
+Supply RED
+Output BLACK
4 mA to 20 mA
2-wire
WIRE COLOR
+Supply RED
Common BLACK
+Output BROWN
Voltage Output
3-wire
HAZARDOUS (CLASSIFIED)
LOCATION
NON-HAZARDOUS
LOCATION
CONTROL
EQUIPMENT
PRESSURE
TRANSMITTER
621, 622
POWER
SUPPLY
CLASS I, DIVISION 1, GROUPS A, B, C
AND D
CLASS II and III, DIVISION 1, GROUPS F,
AND G
+ Output
Common
+ Supply
NOSHOK series 621 and 622 explosion-proof pressure
transmitters require no maintenance. They are calibrated
at the factory using pressure standards traceable to
N.I.S.T. There are no user available adjustments.