MDM490 Differential Pressure Transmitter
The sensitive element of the MDM490 differential pressure transmitter is a solid-state piezoresistive sensitive chip, which is filled with silicone oil between the chip and two corrugated membranes.
Technical Specifications
Measurement Range
0 mbar to 350 mbar...35 bar
Pressure Ratings
- Overpressure: Positive pressure ≤ 2 times FS (negative pressure not allowed)
- Maximum Static Pressure: ≤ 200 bar
- Pressure Type: Differential pressure
Performance Characteristics
- Accuracy: ±0.5% FS
- Long-term Stability: ±0.5% FS/year (≤ 2 bar) / ±0.2% FS/year (> 2 bar)
Environmental Specifications
- Application Temperature: -30℃ to 80℃ (B1 type) / -20℃ to 70℃ (B2 type, PE/PVC cable) / -20℃ to 80℃ (B2 type, PUR cable)
- Storage Temperature: -40℃ to 120℃ / -20℃ to 85℃ (B2 type)
- Vibration: 10g, 30Hz to 2000Hz
- Shock: 100g, 11ms
- Protection Rating: IP65
- Weight: ≤ 400g
Thermal Drift Performance
- Zero Thermal Drift: ±0.03% FS/℃ (≤ 1 bar) / ±0.02% FS/℃ (> 1 bar)
- Span Thermal Drift: ±0.03% FS/℃ (≤ 1 bar) / ±0.02% FS/℃ (> 1 bar)
Output Signal Configuration
| Output Signal |
Power Supply |
Output Format |
Load Resistance |
| 4mA~20mA DC (E) |
15V~28V DC (Intrinsic safe product powered by safety barrier) |
2-wire |
≤(U-15)/0.02(Ω) |
| 0mA~10mA DC (Q) |
3-wire |
|
|
| 0mA~20mA DC (U) |
0V~5V DC (J) 1V~5V DC (F) 0V~10V DC (V) |
>100 kΩ |