2-Wire HART 7 Temperature Transmitter – 6437D

Description

Environmental Conditions:-

Mechanical specifications:-

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
Isolation voltage
- Isolation voltage, test / working: 2.5 kVAC / 42 VAC
Response time:-
- Response time: 70 ms
- Programmable damping: 0…60s
- Polarity protection: All inputs and outputs
- Warm-up time: <5 min.
- Start-up time: <2.75 s
- Programming: Loop Link & HART
- Write protection: Jumper or software
- Signal / noise ratio: >60 dB
- Long-term stability, better than: ±0.05% of span / year (±0.18% of span / 5 years)
- Signal dynamics, input: 24 bit
- Signal dynamics, output: 18 bit
- Effect of supply voltage change: <0.005% of span / VDC
- Accuracy: See manual for details
- EMC immunity influence: <±0.1% of span
- Extended EMC immunity: NAMUR
- NE21, A criterion, burst: < ±1%

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.)
- Effect of sensor cable resistance (3-/4-wire): <0.002 Ω/Ω
- Sensor current: <0.15 mA
- Sensor error detection: None, Shorted, Broken, Shorted or Broken
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
- Cold junction compensation (CJC): Constant, internal or external via a Pt100 or Ni100 sensor
- Sensor error detection: None, Shorted, Broken, Shorted or Broken
Linear resistance input:-
- Measurement range / min. range(span): 0 Ω…100 k Ω/25Ω
- Cable resistance per wire (max.): 50 Ω
- Sensor current: <0.15 mA
- Sensor error detection: None, Broken
Potentiometer input:-
- Potentiometer min….max: 10 Ω…100 kΩ
- Cable resistance per wire(max.): 50 Ω
- Sensor current: <0.15 mA
- Sensor error detection: None, Shorted, Broken, Shorted or Broken
mV input:-
- Measurement range: -800…+800 mV (bipolar)
- Measurement range: -100 to 1700 mV
- Min. measurement range (span): 2.5 mV
- Input resistance: 10 MΩ
- Sensor error detection: None, Broken

Output specifications:-

Common 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)
- Updating time: 10 ms
- Load (@ current output): ≤ (Vsupply -7.5)/0.023 [Ω]
- Load stability: < 0.01% of span / 100 Ω
- Sensor error indication: Programmable 3.5…23 mA
- NAMUR NE 43 Upscale/Downscale: >21 mA / < 3.6 mA
- HART protocol revisions: HART 7 and HART 5

Observed authority requirements:-

Approvals:-

NB:-