2-wire HART 7 Temperature Transmitter PR 6437D
Key Features
- RTD, TC, potentiometer, linear resistance and bipolar mV input compatibility
- Single or true dual inputs with sensor redundancy and drift detection
- Wide ambient operating temperature range
- HART 7 protocol support
Environmental Conditions
| Operating temperature |
-50°C to +85°C (standard) -40°C to +80°C (SIL) |
| Storage temperature |
-50°C to +85°C |
| Calibration temperature |
23...25°C |
| Relative humidity |
< 99% RH (non-cond.) |
| Protection degree |
IP20 |
Mechanical Specifications
| Dimensions (HxWxD) |
109 x 23.5 x 104 mm |
| Weight (single input / dual input) |
150 g / 160 g |
| Wire size |
0.13...2.08 mm² AWG 26...14 stranded wire |
| DIN rail type |
DIN EN 60715/35 mm |
| Screw terminal torque |
0.5 Nm |
| Vibration |
IEC 60068-2-6 2...25 Hz: ±1.6 mm 25...100 Hz: ±4 g |
Common Specifications
Supply
| Supply voltage |
7.5*...30** VDC |
| Power dissipation, per channel |
≤ 850 mW |
| Additional min. supply voltage when using test terminals |
0.8 V |
| Min. load resistance at >37 V supply |
(Vsupply - 37) / 23 mA |
Performance Characteristics
| Isolation voltage, test / working |
2.5 kVAC / 42 VAC |
| Response time |
75 ms |
| Programmable damping |
0...60 s |
| Warm-up time |
< 5 min. |
| Start-up time |
< 2.75 s |
| Long-term stability |
±0.05% of span / year (±0.18% of span / 5 years) |
| Signal dynamics, input / output |
24 bit / 18 bit |
Input Specifications
RTD Input
| RTD type |
Pt10...10000, Ni10...10000, Cu5...1000 |
| Basic accuracy, e.g. Pt100 |
≤ ±0.04°C |
| Cable resistance per wire |
50 Ω (max.) |
TC Input
| Thermocouple type |
B, E, J, K, L, N, R, S, T, U, W3, W5, LR |
| Basic accuracy, e.g. TC K |
≤ ±0.25°C |
Output Specifications
| Normal range, programmable |
3.8...20.5 / 20.5...3.8 mA |
| Extended range (output limits), programmable |
3.5...23 / 23...3.5 mA |
| Basic accuracy |
≤ ±1.6 μA (0.01% of full output span) |
| HART protocol revisions |
HART 7 and HART 5 |
Certifications and Approvals
| ATEX |
DEKRA 16ATEX0047X |
| IECEx |
IECEx DEK. 16.0029X |
| CSA |
CSA 16.70066266 |
| SIL |
SIL 2 / SIL 3 certified & fully assessed acc. to IEC 61508 |
* / ** See manual for details