ALTHEN NM1 4L Series, Инструкция по эксплуатации

Страница: 5 / 20

5 | 20

3 Technical Description
The described tilt measuring system is either a single-, or dual axis version. Each measuring channel is
in 4-wire technology. Which means there’s 2 wires for supply and 2 galvanically isolated ones for the
signal.
The input stage of the system is a precision difference amplifier with an input resistance of more than
3 Megaohms.
The on-board tilt sensor, type AccuStar, is supplied with an internal voltage of 10 V. The output signal
has a ground reference. With a tilt of 0 degrees the output signal of the sensor is 2,5 V. The signal,
which is 33 mV per degree tilt, is amplified to an analogue output of either 0 … 10 Volt, ± 10 Volt, 0 …
20 mA or 4 … 20 mA.
The system supply voltage is galvanically isolated from the internal supply for the sensor and the
analogue output.
A deviation of the zero-point of max. ± 1.5degrees may be corrected with the N-potentiometer.