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5182 Current Preamplifier

Model 5182 Current Preamplifier
Model 5182 Current Preamplifier

The model 5182 is a current-to-voltage preamplifier of low noise and low input impedance designed to amplify the extremely low currents encountered in such areas as photometry and semiconductor research. It has four standard sensitivity settings but in addition includes a special low-noise mode on the highest gain position for even better low current measurement capability. The unit features two outputs, allowing both the AC and DC components of the input signal to be independently monitored, so that, for example, in a PMT application the bias current can be measured separately from the signal current.

It can be powered from its own internally housed (alkaline) batteries, an external low voltage supply (±15 V or ±18 V) or from the model PS0108 remote line power supply(optional extra). This preamplifier can also be powered from most of our range of lockin amplifiers.

The model 5182 is ideally suited to amplifying signals from current sources such as electron multipliers, ion collectors, photomultipliers and photodiodes.
  • Documents +

  • Specifications +

    DC coupled current to voltage amplifier with adjustable sensitivity and a maximum frequency response extending from DC to 1 MHz. Single-ended virtual ground input and single-ended DC and AC coupled outputs via BNC connectors

    Battery powered from internal alkaline batteries or external DC power supply.
    Modes Single-ended virtual ground
    Coupling DC
    Sensitivity Switch selectable (5 settings)
    AC Output 10-5, 108, 107, 108, 108low noise A/V
    DC Output 10-3, 104, 106, 107, 108A/V
    Accuracy ±2%
    Stability ±300 ppm/* C
    Impedance see Figure 1
    Max input w/o damage ±15 V DC or 10 V rms. AC @ 50 Hz
    Noise see Table 1
    Frequency Response
    (AC Output)
    lower limit 0.5 Hz upper limit depends on sensitivity setting, see Figure 2
    Max DC current at input see Table 1
    AC Output
    Max voltage swing
    Slow rate

    450 Ω
    >10 V pk-pk
    > 22 V/µs
    DC Output
    Max voltage swing

    10 kΩ
    >±9 V
    Current flowing into the input produces positive output voltage

    Four 9 V alkaline batteries provide approximately 15 hours of use

    ±15 V or ±18 V DC @ 25 mA
    110 V AC or 240 V AC via optional external model PS0108 power supply
    (excluding connectors)
    8.25" wide x 11" deep x 3.5" high (210 mm wide x 279 mm deep x 89 mm high)
    Weight 5.3 lbs. (2.4 kg) excluding optional power supply
  • Options +

    Item Model Number
    Rack Mount K0304
    Remote Power Supply PS0108
    Pack of 20 Alkaline Batteries PS0109
    Power Cable-
    Utilizes power from Lock-in Amplifier
  • Software +

    Item Model Number
    Acquire Software
    The software includes a powerful plotting engine that lets you show data just as you want it using a variety of line styles, allows data export to both text and CSV files, offers comprehensive clipboard support, and includes a context-sensitive help system
    Active X Control SRINSTCOMMS