CF-Measuring amplifier MBI 46.12

Miniature measuring amplifier for operation of inductive displacement sensors
  • Suitable for LVDT and LVIT
  • with grounding clip or mounting bracket
  • Supply: ±15 V or +24 V
  • Output: 10 V
  • 20…130 mV/V oder 130…600 mV/V
  • Adjustment of gain, electrical zero and phase by trimming potentiometers

Important features

  • Supply: +24 VDC
  • Frequency: 5 kHz
  • Output signal: +10 V
  • Design: Small casing / Clamping block

Technical data

     
Linearity error   < 0,1 % FSO
Carrier frequency   5 kHz ±5 % (sine); optional 1 ... 20 kHz
Dynamic bandwidth   500 Hz (±3 dB); (max. 1/10 of carrier frequency)
Supply voltage (primary)   approx. 2 Vrms @ 5 kHz, sinusoidal; max. 12 mArms
Input resistance (secondary)   approx. 200 kΩ
Output signal   ±10 VDC, ballast resistor > 10 kΩ
Noise level and residual carrier voltage   < 5 mVrms
Temperature coefficient of zero point   < ±2 x 10-4 / K
Temperature coefficient of gain   < ±3 x 10-4 / K
Operating temperature   0 ... 60 °C
Storage temperature   -25 ... 85 °C
Electromagnetic compatibility   DIN EN 61326-1
Supply voltage   stabilized and filtered; ±15 VDC ±10 % or +23 ... 30 VDC
Power consumption   approx. 1 W
Electrical connection   8-pin terminal block
Dimensions
Dimensions with mounting bracket
  approx. W 45 x H 20 x D 45 mm
approx. W 45 x H 30 x D 60 mm
Weight   approx. 0,1 kg

Suitable sensors

   
Inductive differential transformers (LVDTs) with 4-wire technology
Differential inductors (LVITs) and long-stroke sensors (eddy current design) Inductive half bridges with 3-wire technology
Rated output 20 ... 130 mV/ V => / V6; 130 ... 600 mV/ V => standard
Input impedance 100 ... 1000 Ω

Model list

Product code Housing Supply Output signal
MBI 46.12.1   ±15 VDC  
MBI 46.12.2   +24 VDC  
Options Add. Version
With mounting bracket /RS
Output signal 0 ... 10 V /0-10 V
Altern. carrier frequency in the range 1 ... 20 kHz /... kHz
With 6x-preamplifier for sensors with a rated output < 130 mV/V /V6

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