| Technical Data |
| Measurement Range | ±0.1 pA to ±19.999 μA, divided into 5 ranges:
±1nA; ±10nA; ±100nA; ±1μA; 10±μA
|
| Uncertainty of the Current/Voltage conversion | ±0.5% of full scale through all ranges, excluding noise and offsets
|
| Front panel digital display | 4.5 digits
|
| Output Voltage of the converter | Between ±2 V, corresponding to the full scale value of the range selected for current measurement
|
| Input Resistance of the Converter | < 100 Ohm;
|
| Maximum non-destructive input current | ±10 mA
|
| Maximum input noise current | < 0.2 pA peak-to-peak (input open)
|
| Resistance of the analogue output | 1 kOhm; the output is short-circuit-proof for unlimited time
|
| Temperature drift of the input offset current | < typically, at 10μA range is 0.1nA/°C (input open)
|
| Extent of input offset current compensation | ±10 pA
|
| Drift of the input offset current | < 1 pA by temperature rise from 25 deg.C to 35 deg.C
|
| Extent of residual input current compensation | ±10 pA
|
| Temperature dependance of the residual input current | The residual input current doubles with every 10 degrees C of temperature rise
|
| Time drift of the residual input current | < ±1 pA during 8 hours after power-on
|
| Maximum capacitance of the input circuit (current sensor) | 4000 pF
|
| Conversion time | 0.1 s with sensor capacitance below 100 pF (0,2 s at 1nA range)
|
| Digital display conversion rate | 2 readings/second
|
| Power options | Mains 220 VAC 50 Hz,
the internal led-acid (Pb) battery provides up to 20 hours of operation in autonomous mode; the battery is recharged automatically during 20 hours of operation from the mains power
|
| Mains power consumption | < 5 VA
|
| Size | 260 x 100 x 250 mm
|
| Weight | 3 kg
|
| Digital Interface | Optional; implementation of the serial communications interface is currently underway
|
E316 Electrometer Amplifier Specifications
