LVM-110 LVDT OEM Signal Conditioner 04171776-000


  • Low cost OEM LVDT signal conditioner
  • LVDT excitation frequencies of 2.5, 5, 8 and 10 kHz
  • Zero and span adjustment potentiometers
  • DIP switch selectable gain and excitation
  • Multiple unipolar and bipolar output options

The LVM-110 is a full-featured LVDT/RVDT signal conditioner that offers excellent performance on a budget. Operating on either a ±12 or ±15VDC supply voltage, the LVM-110 delivers a full range of selectable unipolar and bipolar, low noise DC voltage outputs. Designed to be compatible with most LVDT and RVDT transducers, the LVM-110 will operate with 5 and 6 electrical connection devices. This versatility is due to the wide variety of selectable excitation frequencies, and a generous excitation drive current of 20mA, allowing operation with transducer input impedances as low as 150 Ohms. The master/slave function (DIP switch selectable) allows synchronization of multiple conditioners to prevent beat frequencies and cross talk between transducers. The need for phase correction adjustment is eliminated thanks to demodulation synchronized to the sum of the LVDT/RVDT outputs. The LVM-110 is designed for easy installation, plugged into a backplane-type connector, or with individual wires connected to the screw terminal barrier strip. Measuring less than 2.5x2.5 inches, it can be mounted or stacked using the permanently attached threaded standoffs, or card-edge guides. All selectable operating parameters are easily accessed via two DIP switches, simplifying the gain, frequency and output setup procedure.


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Supply voltage ±12VDC or ±15VDC, ±10% (Note; ±15VDC required for ±10VDC output)
Supply current ±50mA maximum
Output voltage ranges ±5VDC, ±10VDC, 0 to +5VDC, 0 to +10VDC (DIP switch selectable)
Temperature coefficient of output ±0.02% of FSO per ºF [±0.036% of FSO per ºC] over operating temperature range
Output current 5mA maximum
Output noise and ripple 15mV RMS maximum
Output impedance 1Ω maximum Frequency response 250Hz @ -3 dB (3-pole Butterworth filter)
Non-linearity ±0.05% of FSO maximum
Stability ±0.05% of FSO maximum (after 15 minute warm-up)
Zero suppression ±6VDC total

Transducer excitation
Voltage 3VRMS ±10%, sine wave
Current 20mA RMS maximum
Frequency 2.5, 5, 8 or 10KHz (DIP switch selectable)

Transducer requirements
Transducer type LVDT or RVDT with 5 or 6 electrical connections
LVDT/RVDT input impedance 150Ω minimum
LVDT/RVDT output range 0.1 to 5.6 VRMS for ±10VDC signal conditioner output

Operating temperature range 30°F to +130°F [-1°C to 55°C]
Storage temperature range -40°F to +257°F [-40°C to 125°C]
Zero and gain adjustments 20-turn potentiometers
Electrical connections PC board edge (to backplane-type connector) or barrier terminal strip (accepts AWG 14 to 30 wire sizes)
Mounting Use the attached threaded standoffs or card-edge guides


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