> Inclinometer>Single Axis Inclinometer>SM-1i: Sensor box (Inclinometer/Accelerometer) - Output signal 4-20mA

SM-1i: Sensor box (Inclinometer/Accelerometer) - Output signal 4-20mA


  • Pressure die cast aluminium sensor housing with an integrated sensor (SM-N, SM-NG, SM-B, SM-BDK). 
    Measuring uniaxial acceleration or inclination, Output signal 4-20mA. 
    Degree of Protection IP 65. 
  • Sensor and signal conditioner electrically isolated from housing. 
  • Temperature drift compensation. 
  • Insensitive of interference frequencies. 


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The SM-1i is a pressure die cast aluminium sensor housing (IP65) with an integrated sensor for measuring uniaxial acceleration or inclination.
In addition to the sensor, the box contains a signal conditioner with 4...20mA, 2-wire output and a separate, highly stable supply voltage feeding off the current loop.
Furthermore, the signal conditioner includes an active low pass filter, whose upper cut-off frequency / settling time can be adjusted to suit the measurement task, an output stage with current limitation, a noise voltage filter and a diode bridge for unipolar coupling to the current loop. Interference signals caused by unwanted ground currents are avoided by electrically isolating sensor and signal conditioner from the housing.

The SM-1i can accommodate larger inclinometers, such as the SM-NSM-NG, SM-B, SM-BDK, that have a higher measuring accuracy. A special electronic temperature compensation system can significantly reduce the temperature sensitivity of the implemented sensor.

The compact metal cable guide and small housing size in combination with the 2-wire connection enable the use of this high quality measuring system in harsh operating conditions.



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