General purpose charge amplifier YE5850

Quick Overview

The YE5850 is a general purpose charge amplifier

Product specifications include: ±1000000pC | Gain: 0.01 to 1000 (switchable) | Low pass filter: 0.3k,1k,3k,10k,30k,100kHz, high pass filter: 3Hz,0.3Hz,0.03Hz,0.003Hz (switchable) | 0°C to +40°C | Voltage: 10VP (Max); Charge: ±106 pC (Max) | Quasi static measurement | Wide frequency bandwidth | High input impedance

SKU: YE5850



  • Ultra-low frequency measurement (down to 2μHz)
  • High current output (up to 100mA)
  • Wide frequency bandwidth and high input impedance
  • Three digit dial-in transducer sensitivity
  • Multiple Integrated low pass and high pass filters
  • Both charge and voltage inputs
  • Internal polarisation switch
  • Overload indicator


Input cable 2 meter STYV-1 low noise cable fitted with L5 connectors, 2 meter STEF0.9 low noise cable
Output cable 2 meter BNC cable Power supply cable both AC and DC cables


Input voltage range -10V to +10V peak
Input charge range 106pC
Equivalent DC resistance 1014Ω
Output voltage ±10V peak
Output current ±100mA
DC offset ±10mV
Loading impedance ≥100Ω
Noise ≤30μV referred to input at maximum sensitivity
Gain settings 0.01; 0.1; 1; 10; 100; 1000mV/pC with transducer capacitance 1nF
Accuracy ≤±1% at 20°C±2°, 45-75% RH, >10kΩ loading, AC 220V±2%, DC± 18-21V
≤±2% at 0°C-40°, 20-90% RH, >100Ω loading, AC 220V±10%, DC± 18-27V
Low-pass filters 0.3kHz, 1kHz, 3kHz, 10kHz, 30kHz, 100kHz with cutoff frequency of -3db±1db and attenuation -12dB/oct
High-pass filters 3Hz, 0.3Hz, 0.03Hz,and 0.003Hz. (M, L options referring to user manual)


Dimensions 80mm(W) × 122mm(H) × 200mm(D)
Weight 1.5kg
Electrical connection L5 socket for input, BNC jack for output


Operating temperature 0°C to 40°C
Storage temperature -55°C to 85°C
Maximum humidity 95% RH

Download a PDF Download a PDF version of this document