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GSR Amp

FE116

GSR Amp

Galvanic Skin Response (GSR) Amp

$1,334.00 USD

Product code: FE116

A fully isolated galvanic skin response (GSR) amplifier with low voltage, 75 Hz AC excitation and automatic zeroing.

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Estimated delivery time: 2-5 business days.

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Overview

A fully isolated galvanic skin response (GSR) amplifier with low voltage, 75 Hz AC excitation and automatic zeroing. The GSR equipment is designed to work with a C Series Front End Interface or traditional PowerLab data acquisition system to measure human GSR, now known as electrodermal activity (EDA). The low-voltage AC excitation reduces the electrode polarization artifacts found in DC systems.

Included with the GSR Amp:

Accessories purchased separately:

Related


Research Applications

Features

  • 75 Hz oscillator which supplies a near square wave, low-impedance, low-voltage (22 mVrms) signal to an electrode on one finger of the subject.
  • Galvanic isolation for subject safety and approval to the IEC60601-1 standard for human connection as a body protected (BF rated) instrument.
  • Automatic zeroing
  • Supplied with GSR Finger Electrodes and adult Velcro® straps

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Details and Tech Specs

Technical

Input

  • Connection type: 2 × 4 mm (0.16") shrouded banana plugs to custom cable. Two dry, bright-plated, bipolar electrodes with Velcro™ attachment strap suitable for adult fingers.
  • Excitation: Constant-voltage AC excitation (22 mVrms @75 Hz)
  • Current density: ≤0.5 μA cm–2
  • Safety: Approved to IEC60601-1 BF (body protection) standard
  • Input isolation: Transformer isolation (AC bridge operation)
  • Isolation rating: 4000 V ACrms for 1 minute
  • Amplification ranges: 1 to 40 μS full scale in 6 steps (combined PowerLab and GSR Amp)
0 to 40 μS
0 to 20 μS
0 to 10 μS
0 to 4 μS
0 to 2 μS
0 to 1 μS
  • Frequency response: –3 dB at 1 Hz
  • Accuracy: ±5 %
  • Input leakage current: <3 μArms at 240V, 50 Hz <2 μArms at 120V, 60 Hz
  • Zeroing and offset: Automatic software-controlled fast zeroing, controlled by internal 12-bit DAC; resolution = ±0.2 μS

Output

  • Analog signal: ±2 V full scale

Control Port

  • I2C port: Provides control and power. Interface communications rate of ~50 Kbits/s.

Physical Configuration

  • Dimensions (h × w × d): 55 mm × 120 mm × 260 mm (2.2" × 4.7" × 10.2")
  • Weight:1.2 kg (1 lb 10.5 oz)
  • Power requirements: 2.5 W maximum
  • Operating temperature range: 5 to 35 °C, 0 to 90% humidity (noncondensing)

ADInstruments reserves the right to alter these specifications at any time.

Product Code

FE116
GSR Amp

Compatibility

FE116

Operating System Recommended Hardware Alternate Hardware
LabChart Lightning Mac/Windows PowerLab C + Front End Interface Traditional PowerLab
LabChart 8 Mac/Windows PowerLab C + Front End Interface Traditional PowerLab

Related


Research Applications

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