Specifications:
| 280A | |
| Input Voltage | 90 - 250 VAC, 50/60 Hz, 12 W |
| Battery Operation | Up to 6 hrs with 12 V internal rechargeable battery |
| Plate Capacitance | 20 pF, ± 5% ( not including strays) |
| Charging Voltage | ± 10 to ± 1000 V differential, adjust 10 - 100 V in 1 V increments |
| Zero Stability | < 100 mV/sec |
| Timer | 0.1 - 999.9s in 0.1 s increments; 1000 - 9999 s in 1 s increments |
| Graphical Display | 240 X 64 pixel, backlight LCD |
| Voltage Display | 3.5 digits; ± 1.0 V resolution |
| Timer Display | 4 digits |
| Accuracy | Electrometer ± 0.1% reading, ± 1.0 V referred to input |
| Interface | RS-232 |
| Operating Env. | 5 - 35°C |
| Dimensions | 27.9W x 22.9L x 12.7H cm |
| Weight | 5.7 kg |
| Certifications |  |
