Even with large changes in the unit power supply, the NV4a will act very stable both for offsetting the sensors zero point and for supplying an stable +/-4 VDC output that is linear with the sensors working range.
The NV4a is used everywhere where a SEIKA sensor should be combined with a user-specific demand for high voltage output / special wishes for filtering of the sensor signal, plus where a non-stabilized 8...30VDC supply can be an advantage for the system.
For 0..5VDC output, please have a look at NV8a
For 4..20mA output, the NV6a is the correct solution.
|Dimensions||Please se drawing|
|Supply voltage||+8...+30Volt (protected against polarity reversal to -70Volt)|
|Current consumption without Sensor||approx.2mA|
|Sensor supply||+5,00 Volt|
|Sensor supply-temp. drift||20ppm /°C|
|Max. Output voltage||±4 Volt|
|Active measuring range equal to sensor range||±3,5 Volt|
|Off-set range||2,4 ...2,6 Volt (larger for e.g. B1 in Z-direction)|
|Output impedance||app.100 W|
|Noise value on power supply||30µVs.s.|
|Signal audio-frequency noise at standard sensor||app.80dB|
|Frequency range||0...10Hz, 0...200Hz, 0...2kHz + others as custom wishes|
connector 2,54mm, length 5,7mm, Ø 0,63mm gold plated
optional soldering pads
Caution ! Do not short-circuit the operating voltage (8 to 30V) with the outputs
The negative operating voltage of the symmetrical VDC output is generated from the positive one.
print out .pdf brochure on NV4a
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Last modified: maj 27, 2015