Dwyer MS-121 Magnesense® Differential Pressure Transmitter
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Dwyer MS-121 Magnesense® Differential Pressure Transmitter
Differential pressure transmitter, 4-20 mA output, selectable range
0.1", 0.25", 0.5" w.c. (25, 50, 100 Pa), panel mount, with LCD.
Specifications
- Service:
- Air and non-combustible compatible gases.
- Wetted Materials:
- Consult factory.
- Accuracy:
- ±1% for 0.25" (50 Pa), 0.5" (100 Pa), 2" (500 Pa), 5" (1250 Pa), 10" (2
kPa), 15" (3 kPa), 25" (5 kPa) ±2% for 0.1" (25 Pa), 1" (250 Pa) and all bidirectional
ranges.
- Stability:
- ±1% F.S./year.
- Temperature Limits:
- 0 to 150°F (-18 to 66°C).
- 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.
- Loop Resistance:
- Current output: 0-1250 Ω max; Voltage output: min. load
resistance 1 kΩ.
- Current Consumption:
- 40 mA max.
- Display (optional):
- 4 digit LCD.
- Electrical Connections:
- 4-20 mA, 2-wire: European Style Terminal Block for 16 to 26 AWG. 0-10 V, 3-wire: European Style Terminal Block 16 to 22 AWG.
- Electrical Entry:
- 1/2" NPS Thread.
- Accessory: Cable Gland for 5 to 10 mm diameter cable.
- Process Connection:
- 3/16" (5 mm) ID tubing. Maximum OD 9 mm.
- Enclosure Rating:
- NEMA 4X (IP66).
- Mounting Orientation:
- Diaphragm in vertical position.
- Weight:
- 8.0 oz (230 g).
- Agency Approvals:
- CE.
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