KEYSIGHT B2985B Electrometer/High Resistance Meter (6½ digits, 0.01fA-20mA, 10PΩ)

Measurement resolution: 6½ digits 

Current measurement: 0.01 fA - 20 mA 

Minimum range: 2 pA

Resistance measurement: Up to 10 PΩ

Voltage measurement: 1 μV - 20 V 

Input resistance > 200 TΩ 

Charge measurement: 1 fC - 2 μC

Temperature measurement √

Humidity measurement  √

Voltage source: Up to ±1,000 V 

Minimum resolution: 700 μV 

Maximum reading rate: 20,000 rdg/s 

Datasheet