Description
Application
PR 5331A Temperature Transmitter – PR Electronics
- Linearized temperature measurement with Pt100…Pt1000, Ni100…Ni1000, or TC sensor.
- Conversion of linear resistance variation to a standard analog current signal, for instance from valves or Ohmic level sensors.
- Amplification of a bipolar mV signal to a standard 4…20 mA current signal.
Technical characteristics
- Within a few seconds the user can program PR5331A to measure temperatures within all ranges defined by the norms.
- The RTD and resistance inputs have cable compensation for 2-, 3- and 4-wire connection.
- Continuous check of vital stored data for safety reasons.
Mounting / installation
- For DIN form B sensor head or DIN rail mounting with the PR fitting type 8421.
Environmental Conditions
| Operating temperature | -40°C to +85°C |
| Calibration temperature | 20…28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree (encl./terminal) | IP68 / IP00 |
Mechanical specifications
| Dimensions | Ø 44 x 20.2 mm |
| Weight approx. | 50 g |
| Wire size | 1 x 1.5 mm2 stranded wire |
| Screw terminal torque | 0.4 Nm |
| Vibration | IEC 60068-2-6 |
| 2…25 Hz | ±1.6 mm |
| 25…100 Hz | ±4 g |
Common specifications – PR 5331A Temperature Transmitter – PR Electronics
Supply | |
| Supply voltage | 7.2…35 VDC |
| Internal power dissipation | 25 mW…0.8 W |
Isolation voltage | |
| Isolation voltage, test / working | 1.5 kVAC / 50 VAC |
Response time | |
| Response time (programmable) | 1…60 s |
| Voltage drop | 7.2 VDC |
| Warm-up time | 5 min. |
| Power on to stable output | 4.5 s |
| Programming | Loop Link |
| Signal / noise ratio | Min. 60 dB |
| EEprom error check | < 3.5 s |
| Accuracy | Better than 0.05% of selected range |
| Signal dynamics, input | 20 bit |
| Signal dynamics, output | 16 bit |
| Effect of supply voltage change | < 0.005% of span / VDC |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
Input specifications – PR 5331A Temperature Transmitter – PR Electronics
Common input specifications | |
| Max. offset | 50% of selected max. value |
RTD input | |
| RTD type | Pt100, Ni100, lin. R |
| Cable resistance per wire | 5 Ω (max.) |
| Sensor current | Nom. 0.2 mA |
| Effect of sensor cable resistance (3-/4-wire) | < 0.002 Ω / Ω |
| Sensor error detection | Yes |
Linear resistance input | |
| Linear resistance min….max. | 0 Ω…5000 Ω |
TC input | |
| Thermocouple type | B, E, J, K, L, N, R, S, T, U, W3, W5, LR |
| Cold junction compensation (CJC) | < ±1.0°C |
| Sensor error detection | Yes |
| Sensor error current: When detecting / else | Nom. 33 μA / 0 μA |
Voltage input | |
| Measurement range | -12…800 mV |
| Min. measurement range (span) | 5 mV |
| Input resistance | 10 MΩ |
Output specifications
Current output | |
| Signal range | 4…20 mA |
| Min. signal range | 16 mA |
| Load (@ current output) | ≤ (Vsupply – 7.2) / 0.023 [Ω] |
| Load stability | ≤ 0.01% of span / 100 Ω |
| Sensor error indication | Programmable 3.5…23 mA |
| NAMUR NE43 Upscale/Downscale | 23 mA / 3.5 mA |
Common output specifications | |
| Updating time | 440 ms |
| of span | = of the presently selected range |
I.S. / Ex marking
| ATEX | II 3 G Ex nA [ic] IIC T6…T4 Gc, II 3 G Ex ec [ic] IIC T6…T4 Gc, II 3 G Ex ic IIC T6…T4 Gc, II 3 D Ex ic IIIC Dc |
| IECEx | Ex nA [ic] IIC T6…T4 Gc, Ex ec [ic] IIC T6…T4 Gc, Ex ic IIC T6…T4 Gc, Ex ic IIIC Dc |
| CSA | Cl. I, Div. 2, Gp. A, B, C, D T6…T4, Ex nA[ic] IIC T6…T4 Gc |
| INMETRO | Ex ec [ic] IIC T6…T4 Gc, Ex ic IIC T6…T4 Gc, Ex ic IIIC Dc |
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 – 5331A Programmable Transmitter
| ATEX | DEKRA 20ATEX0096X |
| IECEx | DEK 20.0059X |
| CSA | 1125003 |
| INMETRO | DEKRA 23.0009X |
| DNV Marine | TAA0000101 |
| EAC Ex | EAEU KZ 7500361.01.01.08756 |
The PR Electronics 5331A Programmable Transmitter is a versatile 2-wire device engineered to convert various input signals—such as RTDs, thermocouples, Ohm, or mV inputs—into a standardized 4…20 mA analog current signal. This functionality ensures precise and reliable temperature measurements across diverse industrial applications.
Key Features:
Universal Input Compatibility: The 5331A Programmable Transmitter supports a broad spectrum of sensors, including:
- RTDs: Pt100 to Pt1000, Ni100 to Ni1000
- Thermocouples: Types B, E, J, K, L, N, R, S, T, U, W3, W5
- Linear Resistance: 0 to 5000 Ω
- Millivolt Signals: -12 to 800 mV
High Accuracy: Delivers exceptional measurement precision with an accuracy of ±0.05% of the selected range, making it suitable for critical process control applications.
Galvanic Isolation: Features 1.5 kVAC galvanic isolation, enhancing signal integrity and protecting against electrical interference.
Programmable Sensor Error Detection: Allows customization of sensor error values, enabling prompt identification and correction of measurement discrepancies.
Flexible Mounting Options: Designed for installation in DIN form B sensor heads or on DIN rails using the PR fitting type 8421, accommodating various industrial setups.
Technical Specifications:
Output Signal: Standard 4…20 mA current loop, compliant with NAMUR NE43 standards (3.5/23 mA).
Supply Voltage: Operates within a range of 7.2 to 35 VDC, ensuring compatibility with different power sources.
Operating Temperature Range: Designed to function reliably in ambient temperatures from -40 to +85°C, suitable for harsh industrial environments.
Dimensions and Weight: Compact design with dimensions of Ø 44 x 20.2 mm and a weight of approximately 50 grams, facilitating easy integration into existing systems.
Approvals and Certifications:
The 5331A Programmable Transmitter complies with various international standards, including:
ATEX: KEMA 10-ATEX-0002 X
IECEx: DEK 13.0035X
DNV Marine Standard: Certificate No. 2.4
EMC: 2014/30/EU
- These certifications underscore its suitability for use in hazardous and demanding environments.
Applications:
The PR Electronics 5331A Programmable Transmitter is ideal for:
Temperature Measurement: Linearized temperature measurement with RTD or thermocouple sensors, ensuring accurate monitoring in processes where temperature control is critical.
Signal Conversion: Converting linear resistance variations or bipolar mV signals to standard 4…20 mA current signals, facilitating integration with various industrial instrumentation.
Why Choose the PR Electronics 5331A Programmable Transmitter?
Integrating the 5331A Programmable Transmitter into your temperature measurement and control systems offers:
Versatility: Universal sensor compatibility allows for seamless integration across diverse applications.
Precision: High measurement accuracy ensures reliable data for critical process decisions.
Durability: Robust design and wide operating temperature range make it suitable for challenging industrial environments.
