Description
Applications
- Temperature measurement of a wide range of TC and RTD types.
- Conversion of wide span linear resistance and potentiometer inputs to 4…20 mA.
- Conversion of bipolar mV signals to 4…20 mA.
- Integration into asset management schemes.
- Critical applications requiring superior accuracy and/or sensor redundancy and drift detection.
Technical characteristics
- True dual input transmitter, accepts the widest range of dual input combinations.
- Sensor redundancy – output automatically switches to secondary sensor in event of primary sensor failure, maintaining uptime.
- Sensor drift detection – alerts when sensor differential exceeds user-defined limits, for maintenance optimization.
- Dynamic variable mapping for process data in addition to the primary variable e.g. dual input features such as average, differential and min./max. tracking.
- Groundbreaking digital and analog signal accuracy over full input span and ambient conditions.
- Extensive sensor matching including Callendar Van Dusen and custom linearizations.
- Programmable input limits with runtime metering ensure maximum process traceability and sensor out of range protection.
- IEC 61508 : 2010 full assessment up to SIL 3 together with enhanced EMC Functional Safety testing to IEC 61236-3-1.
- 6437xxSx is suitable for the use in systems up to Performance Level “d” according to ISO-13849
- Meets NAMUR NE21, NE43, NE44, NE89 and NE107 compliant diagnostics information.
Mounting / installation / programming
- DIN rail mounting with up to 84 inputs per meter.
- Configuration via PReset using PR5909 Loop Link / HART modem, or by Asset Management tool (e.g. Pactware, AMS, HART communicator).
- The 6437D can be mounted in zone 0, 1, 2 and zone 21, 22 including M1 / Class I, Division 1, Groups A, B, C, D.
Data sheet & Manuals
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 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, test / working | 2.5 kVAC / 42 VAC |
| Response time | 75 ms |
| Programmable damping | 0…60 s |
| 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 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 |
| 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 |
| Measurement range / min. range (span) | 0 Ω…100 kΩ / 25 Ω |
| Cable resistance per wire (max.) | 50 Ω |
| Sensor current | < 0.15 mA |
| Sensor error detection | None, Broken |
| Potentiometer min….max. | 10 Ω…100 kΩ |
| Measurement range / min. range (span) | 0…100% / 10% |
| Cable resistance per wire (max.) | 50 Ω |
| Sensor current | < 0.15 mA |
| Sensor error detection | None, Shorted, Broken, Shorted or Broken |
| Measurement range | -800…+800 mV (bipolar) -100…1700 mV
|
| Min. measurement range (span) | 2.5 mV |
| Input resistance | 10 MΩ |
| Sensor error detection | None, Broken |
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
| EMC | 2014/30/EU & UK SI 2016/1091 |
| ATEX | 2014/34/EU & UK SI 2016/1107 |
| RoHS | 2011/65/EU & UK SI 2012/3032 |
| EAC | TR-CU 020/2011 |
| EAC Ex | TR-CU 012/2011 |
Approvals
| ATEX | DEKRA 16ATEX0047X |
| IECEx | IECEx DEK. 16.0029X |
| CSA | CSA 16.70066266 |
| c FM us | FM16US0287X / FM16CA0146X |
| INMETRO | DEKRA 23.0002X |
| NEPSI | GYJ23.1253X |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
| EU RO MR Type Approval | MRA0000023 |
| SIL | SIL 2 / SIL 3 certified & fully assessed acc. to IEC 61508 |
Enhance Your Temperature Measurement with PR Electronics
The PR 6437D HART 7 Transmitter by PR Electronics delivers high-precision temperature measurements with enhanced digital communication. Designed for industrial applications, this transmitter ensures reliability, accuracy, and seamless integration into control systems.
Key Features and Benefits
- HART 7 Protocol Compatibility – Advanced diagnostics, remote configuration, and improved response times.
- High Accuracy & Stability – Precise temperature measurements with minimal drift over time.
- Universal Sensor Input – Supports RTDs, thermocouples, and resistance/voltage inputs.
- Loop-Powered (2-Wire Design) – Reduces wiring complexity and enhances energy efficiency.
- Robust Industrial Design – Operates in harsh environments with high resistance to electrical noise and extreme temperatures.
Why Choose PR Electronics?
PR Electronics is a leader in industrial signal conditioning, offering innovative temperature transmitters with superior performance. The PR 6437D Transmitter is engineered for optimal integration into modern process automation systems, making it an ideal choice for industries like oil & gas, chemical processing, and manufacturing.
Applications
- Process Automation
- Power Generation
- Food & Beverage
- Chemical & Pharmaceutical Industries
- HVAC & Environmental Monitoring
Get Started Today
Upgrade your temperature monitoring with the PR 6437D HART 7 Transmitter. Contact us today for more information or a customized solution tailored to your industry needs.
