Multi-Function-Amplifier MFA 1000

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Multi-Function-Amplifier MFA 1000

Multi-Function-Amplifier MFA 1000

Multi-Function-Amplifier MFA 1000 with 1 MHz Bandwidth

DC-Amplifier with Power Supply of Constant Voltage and Constant Current

Applications

This Multi-Function-Amplifier fulfils different tasks in one. First it is an amplifier with different eligible amplification factors. Second the device provides the sensors either with different constant voltages or with constant current. It is already successful for many years in amplification and supplying of thin film gauges, thermocouples, piezo resistant transducers or similar sensors. It is ideal for piezorestant pressure transducers like those from Kulite, Endevco or Entran as well as our thin film gauges or thermocouples.


Front and back panel


Bank of 28 MFA 1000 at the Shock Wave Laboratory of the University Aachen
(By courtesy of Prof. Dr. H. Olivier, Shock Wave Laboratory, University Aachen, Germany)

By its wide bandwidth up to 1 MHz this amplifier can be used for many measurements. So applications with film or DMS probes in a shock tube wind tunnel or aerodynamic experiments are possible.

Different probe voltages or current supplies can be chosen independently from the amplification factor. Two different input connectors make work with different sensor types easier. The handling of the amplifier with its LED display leads to a clear overview of all justifications.

Technical Data

  • Input voltage:

    ± 900 mV
  • Input stability:

    Max. ± 18 V
  • Amplifier steps:

    x1, x10, x100, x1000
  • Linearity:

    ± 0.1 % up to x100, ± 1 % up to x1000
  • Frequency limit:

    >1 MHz for all settings
  • Rise time (10-90%):

    < 300 ns
  • Noise:

    < 12 μV to input
  • Over oscillation:

    < 2%
  • Offset reset:

    Automatic up to ± 2.5 V, manual eligible
  • Filter:

    Low pass filter 50 kHz, eligible
  • Input impedance:

    1 MOhm
  • Input connection:

    IN1 BNC neg., IN2 Lemosa 6 poles
  • Output connector:

    BNC negative
  • Output voltage:

    Max. ±10 V
  • Typical sensors:

    Piezo resistant probes, thin film gauges, thermocouples,DMS sensors, etc.
  • Probe power supply:

    Galvanic separated, switchable voltage: 5, 7, 10 or 15VDC, max.150 mAh
  • Current:

    5, 7 or 10 mAh ± 0.1%
  • Noise of current supply:

    < 0.3 μAh eff. (10Hz>f>2Mhz)
  • Noise of voltage supply:

    < 0.04 μV eff. (10Hz>f>2Mhz)
  • Display:

    Optical signals with LED, up-down buttons
  • Housing:

    262 (6HE) x 61 (12TE) x 262 mm
  • Weight:

    2 Kg
  • Operating temperature range:

    0° to 50°C

  • Mains:

    230 V, 50 Hz ± 20% or 110 V, 60 Hz
  • Accessories:

    19" rack for 7 amplifiers Lemosa connector for input 2 (e.g. thin films gauges)

Article No.:

  • 200-100-1:

    Amplifier MFA 1000
  • 200-190-7:

    19" Rack for 7 amplifier
  • 800-200-3:

    Lemosa connector, 6 pole for thin film gauges

Notice

  • 게시물이 없습니다.

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