This document introduces the 620S 2-wire temperature transmitter, which is designed for Pt100 sensors. It has an input range of -200 to +700°C, high accuracy, linearization, small size, etc.
The Nokeval 620S is a 2-wire temperature transmitter designed for use with Pt100 sensors. It achieves high accuracy through signal linearization, with a linearizing accuracy of 0.05% of the span. The device features automatic leadwire resistance compensation up to 50 ohms, allowing for long transfer distances with small-crossarea signal cables.
| Input type | Pt100 according to DIN 43760 |
|---|---|
| Accuracy | +0.05 % of span |
| Supply voltage range | 12..40 VDC |
| Output current | 4.20 mA |
| Operating temperature | 0..55 °C |
| Module width | 22.5 mm |
| Mounting type | DIN 46277 rail mountings |
The transmitter is designed specifically for use with Pt100 sensors.
The device can automatically compensate for leadwire resistance up to 50 ohms.
The unit operates within a temperature range of 0 to 55 °C.