Constructional design
| Dimensions: | See dimensional drawing, Material: molded plastic vergossen |
| Degree of protection per EN 60529: | Case: IP 68 Terminals: IP 00 |
| Vibration resistance per EN 60068-2-6: | 2...25 Hz: 1.6 mm 25...100 Hz: 4g |
| Weight | 50 g |
| Electrical connection: | Screw terminals, max. 1 x 1.52 |
Input
| Type of input: | Pt100 per EN 60751 |
| Type of connection: | 2 x 3-wire technology |
| Wire resistance per wire: | max. 50 Ω |
| Detection limit for short-cicuit input: | 15 Ω |
| Min/Max values: | For each sensor input, For each measuring mode: resettable |
| For transmitter electronic temperature: not resettable |
|
| Measuring rate: | 100 Hz |
| Resolution: | 24 Bit |
Output
| Signal: | Current output, adjust-able: 4…20 mA Lower limit: 3,5…4 mA Upper limit: 20...23 mA Current simulation: 3,5...23 mA Alarm current: 3,5...23 mA freely configurable for: - sensor break - sensor short circuit - sensor drift Digital communication: HART®-protocol Device driver: EDD for PDM 9.1 |
| Function: | - Linear - Invers |
| Resolution: | ≤ ± 1,6 µA (0,01 % of full output range) |
| Step response: | ≤ 75 ms (typical 70 ms) |
Accuracy
| Basic accuracy: | ≤ 0.04 °C (when using Pt100, class A) |
| Temperature influence ambient: | ≤ 0.002 °C/°C |
| Influence of supply voltage change: | < 0.005 % of measuring span/V DC |
| Load influence: | < 0.01 % of measuring span/100 Ω |
| Long-term drift: | ≤ 0.05 % of measuring span/year ≤ 0.18 % of measuring span/5 years |
Supply voltage
| Voltage: | 7.5…48 V DC, protected against polarity reversal 7.5...30 V DC (Ex i), protected against polarity reversal |
Temperature ranges
| Ambient: | -50...85 °C -40...80 °C (SIL2/3) |
| Storage: | -50...85 |
Tests and certificates
| See data sheet. |
Type series
| PA2420 |
