Model: LI-24ALW
Hãng: Aplisens
ĐẶC TÍNH KỸ THUẬT:
Điện trở: Pt100,Ni100
Tín hiệu đầu ra: 4 - 20 mA + Hart
Nguồn điện: 13,5*…55 VDC
Dòng cảm biến 0,42mA
Nhiệt độ : -40…+80°C
Smart temperature transmitter LI-24ALW
Output signal 4…20mA with Hart protocol
Galvanic insulation (In, Out)
Programmable sensor type
Programmable measuring range
Thermoresistance line compensation
Compensation of thermocouple cold junction
Autodiagnostic system
Intrinsic safety certificate (ATEX, IECEx)
Explosion proof certificate (ATEX, IECEx)
Application and function:
The temperature transmitter LI-24ALW is applicable to converting resistance of temperature or voltage of thermocouple sensor to standard current signal 4-20mA. The transmitter has two separate channels enabling measurement of temperature difference, averange, averange with redundancy, max. or min. temperature. Transmitter has compensation of ambient temparature influence and compensation of thermocouple cold junction using internal/external (Pt100) sensor or constant temperature. Most of parameters such as: sensor type, measuring range, current alarm signal when electric circuit is broken, output characteristic correction, user characteristic (60 points) are programmed using PC with HART/USB converter and Aplisens RAPORT 2 configuration software. For request Aplisens can set temperature transmitter parameters like measuring range, type of sensor. T Transmitter LI-24/ALW is designed for field use. LI-24ALW can be used with temprature sensors mounted directly in transmitter’s casing or with external sensors connected with cable.
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