Model A3
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Model A3 Heavy Duty Sensor Signal Conditioner Model A3 is a Sensor Signal Conditioner (SSC) for heavy duty application. This SSC is suitable for 2~4 sensors or transducers which consist of strain gauge Wheatsone bridge circuit of sensing function. In application, when connected to power supply (supply voltage is 12, ..., 24 Vdc), this A3 SSC provides a constant excitation voltage to Wheatstone bridge circuit of the sensor, and amplifies the output signal of the sensor to standard signals (for instance, 0~5 Vdc or 4~20 mA) for further transmission to PLC in distance. The A3 SSC has a heavy-duty aluminum housing of anodized surface treatment. Thanks to both the rubberseals between housing cover and container and the water-proof cable gland, model A3 SSC is protected to IP65, and can be easily fixed to panel mounting plate with four water-proof holes which are hidden inside the housing. Electrical Features: Suitable for 2~4 sensors of strain gauge Wheatstone bridge circuit of output sensitivity ranging from 1mV/V, …, 12mV/V Easy to build up electric connection with water-proof cable glands Easy-connecting-terminals for electric connection Inverse-polarity protection for sensor circuit when power supply is connected reversely Excitation voltage adjustable with a built-in potentiometer, Gain and Zero adjustable with two built-in potentiometers. Output configurable to 2-wire, 3-wire, or 4-wire for either current or voltage O/P signal Fully calibrated to standard output signal for rated sensor sensitivity before delivery Mechanical Features: Aluminium housing of anodized surface treatment Rubber-seals between housing cap and container Easy-fitting to panel by means of four water-proof holes Environment protection: IP65 Net weight: 550g Dimensions: 2-6.6 thru. hole 100 power - black signal - white signal + green BCM SENSOR TECHNOLOGIES BVBA Industriepark, Brechtsebaan 2 website: www.bcmsensor.com B-2900 Schoten - Antwerpen, BELGIUM email: sales@bcmsensor.com

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Model A3 Heavy Duty Sensor Signal Conditioner Specifications: 1. power supply: 12, ..., 24 Vdc 2. excitation voltage for sensors: 5~10 Vdc adjustable 3. input signal: 5mV, …, 30mV each sensor (or: sensor output sensitivity: 1mV/V, …, 12mV/V) 4. output signal: 0~5 Vdc, or 1~5 Vdc 4~20 mA, 0~10 mA 5. accuracy: ≤ ±0.1%fs (standard), ≤ ±0.2%fs 6. load resistance: ≥ 1kΩ (voltage output) ≤ 1kΩ (current output) 7. electric connections: - on the side for sensor connection, 4 x 5-pole connector (plus mating connector) - on the side for power supply and output signal, 7-pole connector for 2-wire,...

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