Catalog excerpts
Scope of Supply Amplifier in cast aluminum enclosure Standard (Option U): 2 voltage outputs (direct / filtered) Variants C: 1 current output 4...20 mA, 2 voltage outputs (direct / filtered) N: 1 current output 0.20 mA, 2 voltage outputs (direct / filtered) Additional Options E: Enlarged excitation supply 160 mA Ordering example MV125GK-C Type Variants / Options Special Features • Direct signal amplification close to the sensor due to field housing • Integrated excitation voltage • 4 V DC power supply • Power supply and signal outputs galvanically isolated • Completely potted version for rotating machine component are also available The measuring amplifiers MV125 are preferably used in cases when the analog measuring signals of the sensors must be amplified close to their location on machines and equipment in rough environments. The standardised output signals of the amplifier can then be transmitted over long distances or via commutators. A 24 V DC power supply only is needed to operate the amplifier. Due to its compact structural shape and its competitive price, the MV125 is an interesting alternative to more complex amplifiers. All components of the multi-stage amplifier MV125, as well as the voltage regulator for the strain gauge excitation voltage are on a PCB measuring 95 x46 mm. Two zero adjust potentiometer are available for eliminating offsets (e.g. the roll weight of web tension sensors). The desired gain can be adjusted with two potentiometer (coarse and fine). Two voltage outputs with different types of filters are vailable. The current output can be connected to either one of these outputs (option C and N). The connection of the auxiliary power supply is reverse polarity protected. HAEHNE Elektronische Messgerate GmbH ■ Heinrich-Hertz-Str.29 ■ D-40699 Erkrath Germany ■ Telefon 0211/92591-0 ■ Fax 0211/92591-20 http://www.haehne.de Email: info@haehne.de
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WHAEHNE Technical Data Technical modifications reserved. HAEHNE Elektronische Messgerate GmbH • Heinrich-Hertz-Str.29 • D-40699 Erkrath Germany • Telefon 0211/92591-0 • Fax 0211/92591-20 http://www.haehne.de Email: info@haehne.de
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