| AC Measurement Characteristics | |
| AC Volts | |
| Measurement method: | AC-coupled, True RMS |
| Input impedance: | 1M±2% // by <150F |
| Input protection: | 300VDC or 300Vrms rear inputs or 37xx cards |
| AC Current | |
| Measurement method: | AC-coupled, True RMS |
| ----------------------------------- | ----------------------------------------------------------------------- |
| DC Measurement Characteristics | |
| DC Volts | |
| A-D Linearity: | 1.0ppm of reading +2.0ppm of range |
| Input impedance: | 100mV–10V Ranges: Selectable >10GW // <400pF or 10MW ±1% |
| 100V–300V Ranges: 10MW ±1% |
| Common mode current: | <500nA p-p for ≤1MHz |
| Auto zero OFF error: | For DCV ±1°C and ≤10 minutes, add ±(8ppm of reading + 5μV) |
| Input protection: | 300V all ranges |
| Common mode voltage: | 300V DC or 300Vrms |
| Resistance | |
| MAX. 4WW Lead resistance: | 5W per lead for 1W range; 10% of range per lead for 10W–1kW ranges |
| MAX. 4WW Lead resistance: | 0.5W per lead for 1W range |
| Input impedance: | 1W–10W Ranges: 99kW ±1% |
| 100W–2kW Ranges: 10MW ±1% |
| Offset compensation: | Selectable on 4WW 1W–10kW ranges |
| Open lead detector: | Selectable per channel |
| Continuity threshold: | Adjustable 1 to 1000W |
| Auto zero OFF Error: | For 2WW ±1°C and ≤10 minutes, add ±(8ppm of reading + 0.5mW) |
| 10W and 5mW for all other ranges |
| Input protection: | 300V all ranges |