PI-EX-ME-RTD-I
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Signal converter
2835794
Intrinsically safe temperature transducers for resistance thermometers, configured. Configuration software can be downloaded free of cost from the Download area.
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| Product type | Temperature transmitter |
| Application | Temperature |
| No. of channels | 1 |
| Line monitoring | NE 43 |
| Test voltage output/power supply | 0.5 kV |
| Test voltage input/output | 2.5 kV |
| Test voltage input/power supply | 2.5 kV |
| Step response (10-90%) | < 150 ms ... 350 ms depending on the measuring mode |
| Maximum temperature coefficient | < 0.01 %/K |
| Electrical isolation Input/output/power supply | |
| Electrical isolation | 375 V (Peak value, in acc. with EN 50020) |
| Supply | |
| Supply voltage range | 20.4 V DC ... 30 V DC |
| Power consumption | < 1.5 W |
| Signal | |
| Description of the input | intrinsically safe |
| Configurable/programmable | Yes, preconfigured |
| Available input sources | Resistance temperature detectors in 2-, 3- or 4-conductor technology |
| Control | |
| Non-load voltage | 20 V |
| Measurement | |
| Description of the input | intrinsically safe |
| Configurable/programmable | Freely programmable, configured |
| Sensor types (RTD) that can be used | 2, 3 or 4-conductor Pt 100 sensors and resistance-type sensors |
| Measuring Range | see table for sensor types and measuring ranges |
| Temperature measuring range | -200 °C ... 850 °C (Range depending on the sensor type) |
| Sensor type: | -200 °C ... 850 °C |
| Max. permissible overall conductor resistance | 50 Ω (Per cable) |
| Sensor input current | 200 µA |
| Signal | |
| Output description | Current output |
| Current output signal | 4 mA ... 20 mA |
| Output current with short-circuit | 25 mA |
| Load/output load current output | < 750 Ω |
| Non-load voltage | 20 V |
| Stripping length | 8 mm |
| Screw thread | M3 |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 14 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
| Safety data | |
| Max. output voltage Uo | 2.7 V |
| Max. output current Io | 11 mA |
| Max. output power Po | 21 mW |
| Safety-related maximum voltage Um | 250 V |
| IIB: Max. external inductivity Lo / Max. external capacitance Co | 50 mH / 30 µF |
| IIC: Max. external inductivity Lo / Max. external capacitance Co | 50 mH / 2 µF |
| Status display | Green LED (supply) |
| LED red (line monitoring) |
| Dimensional drawing |
|
| Width | 22.5 mm |
| Height | 99 mm |
| Depth | 114.5 mm |
| Color | green (RAL 6021) |
| Flammability rating according to UL 94 | V0 |
| Housing material | Polyamide PA non-reinforced |
| Ambient conditions | |
| Ambient temperature (operation) | -20 °C ... 60 °C |
| Ambient temperature (storage/transport) | -25 °C ... 85 °C |
| Permissible humidity (operation) | ≤ 75 % (annual average) |
| ≤ 95 % (30 days/year, non-condensing) | |
| CE | |
| Certificate | CE-compliant |
| ATEX | |
| Identification | II (1)GD |
| [EEx ia] IIC | |
| Certificate | TÜV 01 ATEX 1750 |
| UL, USA/Canada | |
| Identification | cULus |
| Standards | |
| Standards/regulations | NAMUR recommendation NE 21 |
