Transmitter LKM143 for Pt100/Pt1000
The LKM143 is an analog transmitter for mounting in the connection head type J (MA) and can be designed for the Pt100 or Pt1000 measuring resistor according to DIN EN 60751. It converts the temperature-dependent resistance value of the sensor into a standard signal of 4...20mA. The lead resistance of the two-wire circuit can be compensated on site with the adjustment controller. The components are particularly protected by complete encapsulation with polyurethane.
The transmitter is supplied calibrated to customer specifications. Subsequent fine adjustment can be carried out on site by means of span and zero controllers.
The selection menu is available for configuration.
Please request individual measuring ranges beforehand using the >>Ask about product<< button.
In the case of analog transmitters, it may occasionally be the case that the desired measuring range cannot be realized. If the individual measuring range is confirmed by us, it can be entered in the >>YOUR COMMENTS<< field at the end of the ordering process.
Our tip: With the digital equivalent LKM146, individual measuring ranges are easily possible.
| RTD element | Specification range in °C |
|---|---|
| Pt100 | -200 – 850 |
| Pt1000 | -200 – 450 |
| Feature | Value | Remark |
|---|---|---|
| Input | Pt100 / Pt1000 | 2-wire connection |
| Measuring current | approx. 0.8 mA | dependent on sensor resistance |
| Span | 20 – 850 K | Zero + span = value for 20 mA |
| Linearity error | < 0.1 % FS | |
| Loop voltage | 10 – 35 VDC | reverse polarity protected |
| Output | 4 – 20 mA (current loop) | |
| Probe break | > 20 mA | |
| Short circuit | < 4 mA | |
| Response time | < 0.1 s | |
| Temperature coefficient (TC) | 0.01 K / °C | |
| Operating temperature range | -40 – 85 °C | |
| Humidity | < 95 % | |
| Mounting | J-head | |
| Dimensions | 25 × 14 mm | D × H |
| Potting compound | Polyurethane, black | |
| Connection type | Screw terminals | |
| Clamping range | 0.13 – 0.75 mm2 | |
| Weight | approx. 10 g | |
| Vibration | 5 g / 10 – 200 Hz | |
| EMC | EN 61326-1 EN 61326-2-3 |
Emission and immunity |
Documents
| Document | Format | Language(s) |
|---|---|---|
| Datasheet – LKM143 Technical specification |
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| Operating Instructions – LKM143 Installation and operating manual |
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Software
| Program / Package | Format | Language(s) |
|---|---|---|
| Program – AnalogToTemperatur Conversion of analog output values (mA or V) to temperature |
ZIP | |
Responsible Person in the EU:
LKM electronic GmbH
Elgersburger Straße 1
99331 Geratal
Germany
info@lkmelectronic.de
https://lkmelectronic.de/
