Dwyer MS series micro differential pressure sensor Ms-111 differential pressure transmitter
Product Description
MS series differential pressure transmitter THE MS series differential pressure transmitter is a very versatile transmitter for monitoring pressure and wind speed. This compact instrument has the following features: field options in British or metric units, field adjustable high LCD display, adjustable output signal damping value, square root output when using pitot tubes and other similar flow sensors. In addition to these characteristics, magnetic sensing technology provides superior long-term performance and can solve tens of thousands of pressure and flow applications.
product application
- Building pressure monitoring
- Duct pressure monitoring
- Fan velocity measurement
- Zone differential pressure monitoring
- Filter condition monitoring
Features
- Field selectable English or Metric ranges.
- Field upgradeable LCD display.
- Adjustable damping of output signal (with optional display).
- Ability to select a square root output for use with pitot tubes and other similar flow sensors.
specification
| Brand name | Dwyer |
| Model | MS-111 |
| Output signal | 4~20 mA |
| Display | 4 digit LCD. |
| Service | Air and non-combustible compatible gases. |
| Accuracy | ±1% for 0.25" (50 Pa) |
| Stability | ±1% FS/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). |
| Response Time | 300 ms. |
| Mounting Orientation | Diaphragm in vertical position. |
| Weight | 230g |
Applicable medium: air, non-flammable gas, compatible gas.
Electrical Wiring: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.
Loop Resistance:Current output: 0 to 1250 Ω max.; Voltage output: min. load resistance 1 kΩ.
Power Requirements:10-35 VDC (2-wire); 17-36 VDC or isolated 21.6-33 VAC (3-wire).
Accuracy:MS-X21: 0.5 in w.c. and 0.25 in w.c.: ±1%; 0.1 in w.c.: ±2%; 100 Pa and 50 Pa: ±1%; 25 Pa: ±2%. MS-X11: 5 in w.c. and 2 in w.c.: ±1%; 1 in w.c.: ±2%; 1250 Pa and 500 Pa: ±1%; 250 Pa: ±2% (@ standard conditions).
Important notes for installation:
• Cables must be fitted through 1/2" NPT cable gland or ATEX/IECEx conduit (not supplied with instrument).
• Make sure after cabling to close tight cover and cable gland, in order to maintain IP66 rating.
• Open cover only after de-energizing instrument.
Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous areas.
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