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Specifications for 2-channel-electrometer:
The job is to design a device to measure currents (nA/pA) and charges (nC/pC). You need to design one electrometer with 2 channels. The device will be a full operational and professional looking device with all its manufacturing instructions (BOM etc).
The device needs to have a RS485, USB and wireless interface.
nA/pA and/or nC/pC measurements
Range LOW 50 pA to range HIGH 1000 nA / 50 pC – 1,000 nC
Zero Shift: ± 0.1 pA
Leakage Current LOW/HIGH: < ± 0.1 pA
Resolution: 0.100 pA
Response Time: <10ms
Operating Parameters: Temperature: 15 to 35 °C, Relative Humidity: 20 to 80% non-condensing, Pressure: 650 to 770 mmHg – or better
Input: BNC two lug triaxial connector
Zeroing: Zero via button push – LED’s indicate zeroing in progress
Battery back up for 6h
Power Requirements: 100-240 VAC, 0.5 A max, 50/60 Hz input to external power supply, 9 VDC, 1.7 A
Product Standards: IEC 60601-11, IEC 60601-1-21, IEC 607312
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