Emerson MSP422 manual Temperature and Pressure Ratings, Load Limitations

Mobrey MSP422

Reference Manual

IP2013, Rev BA

February 2012

Environment
Ambient Temperature(2)	–4 to 158 °F (–20 to 70 °C)
Process Temperature	–4 to 158 °F (–20 to 70 °C)
Process Pressure	–4 to 44 psi (–0,25 to 3,0 bar)
Ingress Protection	IP 66
Electromagnetic Compatibility	EN61326 (Class B)
Certifications	CE-mark

(1)Temperature: 68 °F (20 °C), Pressure: 1013 mbar (atmospheric pressure), and Relative Humidity: 50%.

(2)See page A-2 onwards for approval temperature ranges.

TEMPERATURE AND PRESSURE RATINGS

Figure A-1.

The process temperature/pressure rating depends on the design of the transmitter in combination with the flange materials.

Process Temperature and Pressure Diagram

Pressure psi (bar)

44psi (3 bar)

OPERATING RANGE

The final rating may be limited by flange selection

-4 psi (-0,25 bar)

-4 °F (-20 °C)	158	°F
	(70	°C)

Temperature °F (°C)

LOAD LIMITATIONS

Figure A-2. Load Limitations

The maximum load resistance can be determined from Figure A-2.

R (Ohms)
1244
800
533
400
0			U (V)
0	12	20	24
			30

NOTE

R = Maximum Load Resistance

U = External Power Supply Voltage

A-2