Description
3337 HART 7 loop powered Temperature Converter
Application
- The 3337 temperature converter measures a standard Pt100, TC J and K temperature sensor, and provides an isolated passive analog current and HART signal output.
- High 2 port isolation provides surge suppression and protects the control system from transients and noise.
- The 3337 can be mounted in the safe area or in Zone 2 / Division 2 areas.
- Approved for marine applications.
Technical characteristics
- Flexibly loop powered by 6.2…35 VDC via connectors.
- A 60 ms fast response time with simultaneous sensor error detection when selected.
- Selectable internal/external CJC.
- Excellent conversion accuracy in all available ranges, better than 0.05% of span.
- Meeting the NAMUR NE21 recommendations, the 3337 provides top measurement performance in harsh EMC environments.
- The device meets the NAMUR NE43 standard defining out of range and sensor error output values.
- All terminals are protected against overvoltage and polarity error.
- High galvanic isolation of 2.5 kVAC.
- Excellent signal/noise ratio of > 60 dB.
Mounting / installation / programming
- Selectable HART mode with HART 7 revision protocol enables extended device programming.
- Selectable DIP-mode for easy configuration of more than 1000 factory calibrated measurement ranges with HART read only feature.
- Selectable HART-mode to enable full HART read-write capability.
- The narrow 6.1 mm housing allows up to 163 units to be mounted per meter of DIN rail, without any air gap between units.
- Wide ambient temperature range of -25…+70°C.
Data sheet & Manuals
Data sheet
Manuals
Environmental Conditions
| Operating temperature | -25°C to +70°C |
| Storage temperature | -40°C to +85°C |
| Calibration temperature | 20…28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
| Installation in | Pollution degree 2 & meas. / overvoltage cat. II |
Mechanical specifications
| Dimensions (HxWxD) | 113 x 6.1 x 115 mm |
| Weight approx. | 70 g |
| DIN rail type | DIN EN 60715/35 mm |
| Wire size | 0.13…2.5 mm2 / AWG 26…12 stranded wire |
| 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 | 6.2…35 VDC |
| Max. required power | 0.80 W |
| Internal power dissipation | 22 mW…0.8 W |
Isolation voltage | |
| Isolation voltage, test / working | 2.5 kVAC / 300 VAC (reinforced) |
| Zone 2 / Div. 2 | 250 VAC |
Response time | |
| HART mode, (0…90%, 100…10%) | 60 ms…60 s, programmable |
| DIP mode, (0…90%, 100…10%) | < 60 ms |
| Voltage drop | 6.2 VDC |
| Signal / noise ratio | Min. 60 dB |
| Programming | DIP-switches |
| Signal dynamics, input | 23 bit |
| Signal dynamics, output | 18 bit |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
| Incorrect DIP-switch setting identification | 3.5 mA |
Input specifications
RTD input | |
| Temperature range, Pt100 | -200…+850°C |
| Accuracy: the greater of | Better than 0.05% of span or 0.1°C |
| Temperature coefficient: the greater of | 0.02°C/°C or ≤ ±0.01%/°C |
| Sensor current | < 150 µA |
| Sensor cable resistance | < 50 Ω per wire |
| Effect of sensor cable resistance (3-/4-wire) | < 0.002 Ω / Ω |
| Sensor error detection | Yes – selectable via DIP-switch |
| Broken sensor detection | > 800 Ω |
| Shorted sensor detection | < 18 Ω |
TC input | |
| Temperature range, TC J | -100…+1200°C |
| Temperature range, TC K | -180…+1372°C |
| Accuracy: the greater of | Better than 0.05% of span or 0.5°C |
| Temperature coefficient: the greater of | 0.1°C/°C or ≤ ±0.01%/°C |
| Sensor cable resistance | < 5 kΩ per wire |
| Cold junction compensation (CJC): Accuracy @ external Pt100 input | Better than ±0.15°C |
| Cold junction compensation (CJC): Accuracy @ internal CJC | Better than ±2.5°C |
| Internal CJC error detection | Yes |
| External CJC error detection | Yes – selectable via DIP-switch |
| Open Thermocouple detection | Yes – selectable via DIP-switch |
Output specifications
Common output specifications | |
| Updating time | 10 ms |
Current output | |
| Programmable signal ranges | 4…20 and 20…4 mA |
| Load (@ current output) | ≤ (Vsupply – 6.2) / 0.023 [Ω] |
| Load stability | ≤ 0.01% of span / 100 Ω |
| Sensor error indication | 3.5 mA or 23 mA / acc. to NAMUR NE43 or OFF |
| HART protocol revisions | HART 7 |
I.S. / Ex marking
| ATEX | II 3 G Ex ec IIC T4 Gc |
| IECEx | Ex ec IIC T4 Gc |
| FM, US | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, AEx nA IIC T4 |
| FM, CA | Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, Ex nA IIC T4 |
| EAC Ex | 2Ex nA IIC T4 Gc X |
Observed authority requirements
| EMC | 2014/30/EU & UK SI 2016/1091 |
| LVD | 2014/35/EU & UK SI 2016/1101 |
| 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 | KEMA 10ATEX0147 X |
| IECEx | KEM 10.0068X |
| UKEX | DEKRA 21UKEX0055X |
| c FM us | FM17US0004X / FM17CA0003X |
| c UL us, UL 61010-1 | E314307 |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
| DNV Marine | TAA00001RW |
3337 HART 7 Loop Powered Temperature Converter by PR Electronics: Excellence in Precision Control
The 3337 HART 7 Loop Powered Temperature Converter from PR Electronics is a game-changer for industrial temperature measurement. Designed with cutting-edge technology and HART 7 compatibility, this versatile device offers unmatched accuracy and advanced communication capabilities for modern process industries.
Key Features of the 3337 HART 7 Temperature Converter:
- HART 7 Protocol Compatibility: Seamlessly integrates with industry-standard communication systems for real-time data access and control.
- Loop-Powered Design: Reduces wiring complexity and provides power efficiency, making it perfect for demanding industrial environments.
- Universal Sensor Input: Compatible with a wide range of temperature sensors, including Pt100, Pt1000, and thermocouples, ensuring adaptability for diverse applications.
- High Accuracy and Stability: Guarantees precise temperature readings, maintaining process integrity and performance.
- Rugged and Reliable: Engineered to withstand harsh operating conditions, ensuring long-term durability.
Why Choose the 3337 HART 7 Loop Powered Temperature Converter?
PR Electronics has long been a trusted leader in the field of industrial process instrumentation, and the 3337 HART 7 Converter exemplifies their commitment to innovation and quality. With its advanced HART 7 communication protocol, this device not only ensures accurate temperature conversion but also offers enhanced diagnostics, simplifying maintenance and improving overall system efficiency.
Whether you’re working in petrochemical, pharmaceutical, or energy industries, this converter is designed to meet your needs for precision and reliability in temperature monitoring.
Take Your Process to the Next Level
Elevate your industrial setup with the 3337 HART 7 Loop Powered Temperature Converter by PR Electronics. Explore the benefits of HART 7 communication, enhanced accuracy, and robust design. Reach out to PR Electronics or an authorized distributor to learn more about integrating this state-of-the-art solution into your system.
