Perform low-current measurements without the expense or complexity associated with conventional electrometers. The Model 285 features three convenient measurement ranges (2 nA, 20 nA, and 200 nA) and resolves currents as low as 1 pA.

Display:	½”x3½” digit LCD
Ranges:	Range:          Resolution: ± 2.000 nA        0.001 nA ± 20.00 nA        0.01nA ± 200.0 nA        0.1 nA
Accuracy:	2.0%
Input Impedance:	10 k ohm
Input:	BNC Connector
Output:	± 2.0V full scale for each range BNC Connector
Offset:	less than 1.0 mV
Battery:	9 volt Eveready #216 or equivalent NEDA #1604. Battery life over 400 hours
Dimensions:	6”x3½”x2.125” (15 cm x 9 cm x 5.5 cm)
Weight:	8½ oz. (0.24kg) with battery

• Low cost 

• Simple operation 

• Minimal training required

• Wherever sensitive low current measurment is required.