2-wire room temperature transmitter 2914
Model : PR 2914
Brand: PR Electronics
Room temperature measurement
Complete with sensor and transmitter
4…20 mA output in 2-wire connection
Easy mounting
Measurement range 0…70°C
Supply 8…35 VDC
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Application:
- Electronic temperature measurement in for instance control rooms, offices, heating plants, factories, living rooms, and similar dry rooms.
- Suitable as a transmitter for controllers, trip amplifiers, displays, or superior SCADA systems.
- Flame sensors in safety machines for gas-powered systems.
- Temperature sensors in thermostats for home instruments.
- Temperature measurement for industrial procedures such as gas turbine exhaust, and diesel engines.
- Measuring the temperature rise during the process of curing concrete.
Mechanical specifications
- Dimensions (HxWxD)70 x 121 x 25 mm
- Weight approx.95 g
- Wire size1 x 1.5 mm
Common specifications
Supply |
|
| Supply voltage | 8.0…35 VDC |
| Internal power dissipation | 25 mW…0.8 W |
Response time |
|
| Response time | 10 s (@ 0.5 m/s) |
| Voltage drop | 8.0 VDC |
| Warm-up time | 5 min. |
| Signal / noise ratio | Min. 60 dB |
| Accuracy | Better than 0.3°C |
| Signal dynamics, input | 17 bit |
| Signal dynamics, output | 16 bit |
| Effect of supply voltage change | < 0.005% of span / VDC |
| Temperature coefficient | < ±0.01% of span / °C |
| Linearity error | < 0.1% of span |
| EMC immunity influence | < ±0.5% |
Output specifications
Current output |
|
| Signal range | 4…20 mA |
| Min. signal range | 16 mA |
| Load (@ current output) | ≤ (Vsupply – 8) / 0.023 [Ω] |
| Load stability | ≤ 0.01% of span / 100 Ω |
| NAMUR NE43 Upscale/Downscale | 23 mA / 3.5 mA |
