Series AT2MS ATEX/IECEx Approved Magnesense® Differential Pressure Transmitter

Series MS in Flameproof Enclosure

This Series is no longer available, please see Series AT-MS for the suggested replacement.

Please see Series MS for non-ATEX/IECEx approved.

California Residents:  Click Here for Proposition 65 WARNING.


Air and non-combustible, compatible gases.
Wetted Materials:
Consult factory.
MS-X21: 0.5 in w.c. & 0.25 in w.c.: ±1%; 0.1 in w.c.: ±2%; 100 Pa & 50 Pa: ±1%; 25 Pa: ±2%. MS-X11: 5 in w.c. & 2 in w.c.: ±1%; 1 in w.c.: ±2%; 1250 Pa & 500 Pa: ±1%; 250 Pa: ±2% (@ standard conditions).
±1% FS/year.
Temperature Limits:
0 to 150°F (-18 to 66°C); (Note: Product temperature limits differ from case).
Pressure Limits:
1 psi maximum, operation; 10 psi, burst.
Power Requirements:
10 to 35 VDC (2-wire); 17 to 36 VDC or isolated 21.6 to 33 VAC (3-wire).
Output Signals:
4 to 20 mA (2-wire); 0 to 5 V, 0 to 10 V (3-wire).
Response Time:
Field adjustable 0.5 to 15 sec. time constant. Provides a 95% response time of 1.5 to 45 seconds.
Zero & Span Adjustments:
Digital push button. In safe zone only.
Loop Resistance:
Current output: 0 to 1250 ohm max.; Voltage output: min. load resistance 1 k ohm.
Current Consumption:
40 mA max. Display: 4 digit LCD.
4 digit LCD.
Electrical Wiring:
4 to 20 mA, 2-wire: European style terminal block for 16 to 26 AWG. 0 to 10 V, 3-wire: European style terminal block 16 to 22 AWG.
Mounting Orientation:
Diaphragm in vertical position.
Enclosure Rating:
4X IP66, IP65 with option OPV overpressure relief valve.
Housing Material:
Texture epoxy coat RAL7038.
Pressure Connections:
1/8" NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
Electrical Connections:
Two 1/2" FNPT. Cable gland not included.
11 lb (5 kg).
ATEX Certificate:
BVI 14ATEX0072.
Agency Approvals:
ATEX Compliant CE 1370 Ex II 2G Ex d IIC T6 Gb / II 2D Ex tb IIIC T85°C Db, -60°C=Tamb=+60°C IECEx Compliant: Ex d IIC T6 Gb / Ex tb IIIC T85°C Db



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