Sensor box SB1S

0.5- 4.5Volt signal output + two Open-Collector control outputs

Working ranges:  +/-5°,  +/-10/20° - +/-30° - +/-80°

Special features SB1S 


The SB1S sensor box is a pressure-cast aluminum box ( IP65) with integrated sensor for single axis Inclination or for Acceleration measurement.

The SB1S contains an amplifier part with 0…5VDC output signal possibility, also as a separate part on the board there is a high-stable power supply for supplying the actual sensor ( this can also be taken out as an ref. Voltage ! ). The amplifier for the Signal output, contains also a low-pass filter for upper frequencies limitation. Rise-time constant as a specific value, + an max. current output limitation, can also be a part of the custom built unit. Supply noise suppression filter and diode bridge for guarantee of the Electromagnetic Compatibility are also a standard part in this unit. Sensor and amplifier are galvanic isolated from the housing.

The SB1S has also two Open-Collector outputs, The trigger point for thresholds can be individually adjusted by means of two trim-potentiometers, this within the whole working range of the actual sensor. Optional can these also be supplied as 1: Normal open 2: Normal closed.

In the SB1S box can the NG type sensor also be implemented, which means a very high degree of a accuracy on the measuring of inclination and an considerably reduced temperature drift over the whole temperature range, this as the highest degree of accuracy of all SEIKA products.

A strong metal PG cable gland and the solid and compact housing for the whole Sensor box in connection with the high voltage signal output gives al together a high-quality system for use under many types of difficult working conditions.


The SB1S is used everywhere, where inclination or acceleration measurements are wanted together with a high level 5DC voltage output + the possibility to have 2 switching outputs for controlling and safety purpose. In particular in cranes, buildings, mining industry, radar systems, bridges, ships, in agricultural machinery and in all types of process machinery, just name ! and SB1S can be for very good use everywhere.

Options: Special measuring ranges, test report, Silicone filled housing, specific switching hysteresis, function as: LOW to HIGH or HIGH to LOW, custom wiring

 Dimensions and connections

The Open-Collector outputs are protected with diodes for spikes on the supply, while switching inductive burdens  

CAUTION ! Do not short-circuit the operating voltage (8 to 30V) with one of the outputs !

The OC outputs can as option function like: "HIGH = going high when the limit are excited" = Version L (LOAD ) or " LOW = going LOW when the limit are excited " = Version N ( NEUTRAL).

The version L offers the possibility to connect both OC outputs (wired OR) as only one control signal (e.g. honk) to be activated, during passing the one or the other limit.

The N version do give the possibility of higher safety of alarm‘s since an open-line condition and operating power failure will cause an overriding of the limiting value and then cause an ALARM output

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Last modified: 14.11.22