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S7AC, DC Powered LVDT Transducer Amplifier

The S7AC is a signal-conditioning unit for use with transducers requiring AC excitation and synchronous demodulation, producing a DC output voltage or current. Units may be master-slaved in systems where carrier frequency beating is a...
S7AC, DC Powered LVDT Transducer Amplifier
S7AC, DC Powered LVDT Transducer Amplifier
Features:
  • In-line Amplifier
  • Compatible with any standard RDP LVDT (without integral electronics) and most LVDTs from any manufacturer
  • Produces a DC output voltage or current
  • Screw terminal connections
  • Simple controls for gain and zero adjustment
  • Input zero switch
  • Signal overload indicator
  • Synchronous demodulation
  • IP 65 Rating
  • Aluminum Housing
Manufacturer:  RDP Electrosense
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Datasheet
Description
Specifications
Downloads
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S7AC - Description
The S7AC is a signal-conditioning unit for use with transducers requiring AC excitation and synchronous demodulation, producing a DC output voltage or current. Units may be master-slaved in systems where carrier frequency beating is a problem.

The unit is housed in a robust aluminium case with connections via glands, all sealed to IP65 specification. All controls are internal with coarse range switches and fine adjustment potentiometers for gain and zero setting. Other controls include a zero-input switch, over-range indicator and pins to which resisters can be fitted for half-bridge operation.

The unit is suitable for use with the complete range of RDP LVDT transducers.
S7AC - Specifications
Input TypeLVDT
# of Inputs1
Output Type±4 to ±10 V DC
4 - 20 mA
Max Bandwidth500 Hz
Excitation1 V AC
IsolationNo
Supply Power12 - 36 V DC
IP RatingIP 65
S7AC - Downloads
S7AC - Similar Products
  • In-line Amplifier
  • For use with a wide range of LVDT or half-bridge transducers
  • Screw terminal connections
  • Simple controls for gain and zero adjustment
  • Input zero and circuit test switch
  • Signal overload indicator
  • Excitation frequency change via resistor
  • 115/230V supply selector switch
Input Type
LVDT
# of Inputs
1
Output Type
±10 V DC,
4 - 20 mA
Max Bandwidth
500 Hz
Excitation
5 V AC
Isolation
No
  • In-line Amplifier
  • 2-Wire 4-20mA-output oscillator/demodulator
  • Compatible with most standard RDP LVDT (without integral electronics) transducers
  • Compatible with most LVDTs from any manufacturer
  • Simple controls for gain and zero adjustment
  • Electrical output bandwidth: 0 to 250Hz (25Hz with filter turned on)
  • High environmental protection, IP 65
  • Limit trips
Input Type
LVDT
# of Inputs
1
Output Type
4 - 20 mA
Max Bandwidth
250 Hz
Excitation
0.5 V AC
Isolation
No
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