• General purpose vibration and shock measurements particularly with Uni-Gain® Accelerometers
• Multichannel measuring systems and vibration test control loops
• Preamplifier for piezoelectric impedance heads and force transducers
• Wide frequency range 0,003 Hz to 200 kHz
• Output sensitivity settings of 0,1 - 1 - 10 mV/pC
• Built-in integrator converts acceleration signal to velocity
• Grounded, plus Floating input mode isolated from output ground
• Switchable lower frequency limits

Specifications

• Charge Input: via 10-32 UNF coaxial and multi-pin screened sockets
  * Input Modes: "Grounded"; "Floating"
• Amplifier Sensitivity: 0,1 mV/pC, 1 mV/pC and 10 mV/pC
• Signal Output: via 10-32 UNF coaxial and multi-pin screened socket
  * Max Output: 10 V (10mA) peak
  * DC Offset: < ± 10 mV with dual polarity supply or half single polarity supply voltage
• Frequency Range:
  * - 3 dB Lower Limit: 1 Hz for all three sensitivity settings or 0,003 Hz; 0,03 Hz and 0,3 Hz for 0,1; 1 and 10 mV/pC respectively
  * - 3 dB Upper Limit: > 200 kHz for 0,1 and 1 mV/pC sensitivity and > 150 kHz for 10 mV/pC
• Integrator: converts acceleration to velocity proportional signal
  * Frequency Range: 10 Hz to 10 kHz (-10% limits)
• Power Requirements:
  * Dual Polarity: ± 6 to ± 18 V DC
  * Single Polarity: + 12 to + 35 V DC
  * Supply Current: 15 mA nominal increasing to 30 mA with "Overload" LED lit

2805 - Power Supply

• Power supply for preamplifiers in vibration measurement set-ups
• Power supply for instruments operating on 14 V and 28 V DC
• Used for supplying the following instruments with the direct current necessary for their operation:
  * Charge Amplifiers types 2634, 2635 and 2651
  * Accelerometer Calibrator Type 4291
  * Vibration Meter Type 2511
  * Tunable Band Pass Filter Type 1621
• 12 outputs, 2 channels
• ± 14 V or 28 V or DC output

Specifications

• Output: 2 channels short circuit protected
• Output Connections: for each channel 5 x 10 - 32 UNF sockets, also 1 x 6 pin Bulgin plug JP 4705
• Output Voltage: 28 Volts or ± 14 Volts
• Output Current: Max. 200 mA per channel
• Power Requirement: 100, 115, 127, 220, 240 Volts (50 to 400 Hz)