ORM400 Picoammeter

  • ORM400 Picoammeter
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Offering short-circuit detector operation and an impressive six decades of gain, wide dynamic range measurements with excellent linearity can be realised.

Including an auxiliary voltage input, the ORM400 can be operated from the front panel or fully automated over the USB interface. Over-load and under-load flags are included to enhance optimal remote operation.

Core benefits

Features

  • Double width module housed within the 417/417T unit
  • Dual input, six decade picoammeter
  • Virtual ground (virtual null) input
  • Auxiliary voltage input
  • Front panel control
  • Fully programmable via USB 2.0 interface

Electrical

Channel 1 inputCurrent input to picoammeter
Channel 2 inputCurrent input to picoammeter
Auxiliary inputVoltage input to ADC
Gain ranges1010-105 V/A
Maximum current Input100µA
Frequency responseDC to 30Hz
Gain accuracy+1%
Gain stability200ppm/°C
Output stability5ppm/°C to 500ppm/°C depending on sensitivity
Linearity< 0.025% departure from linearity from zero to full scale
ADC resolution4½ digit BCD (0 to 19999) i.e. > 14 bit resolution
ADC integration time100ms
Auxiliary input range0- 9.8V
Picoammeter input impedanceVirtual earth
Auxiliary input impedance1 MΩ

Interface & Mechanical

InterfaceUSB
ControlFront panel via keypad/ USB
Front Panel Controlled FeaturesInput select, gain range select, auxiliary input select, integration and more.
Dimensions 
Connector BNC
DisplayLCD

Options

ORM400Picoammeter
ORM400_LSNanoammeter (gain ranges 109-104 V/A)

Ordering Information

ORM400Picoammeter
ORM400_LSNanoammeter
PSU_5V_AUSORM400 power supply, Australia/China plug
PSU_5V_EUORM400 power supply, European plug
PSU_5V_UKORM400 power supply, UK plug
PSU_5V_USORM400 power supply, North America/ Japan plug

The Bentham Standard

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Call us on +44 118 975 1355 or email us