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The Datron 4708 Autocal Multifunction Standard offers the very best in programmable multifunction performance. Capable of calibrating-BY ITSELF-the latest generation of high performance systems and standards DMMs, it represents the most practical and cost-effective solution to today's high accuracy calibration requirements. The Model 4708 employs Autocal, the electronic adjustment technique whereby all calibration adjustments are made through the use of digital corrections stored in non-volatile memory. The instrument is calibrated by applying the standard and following a simple sequence of front panel keystrokes or IEEE-488 bus commands. Moreover, the signal generation circuit configuration employed during calibration is the same as that used during normal operation, ensuring fast, traceable, repeatable calibration. DC Voltage (Option 10); Ranges: 100 uV to 1000V in decades. Full scale: 2 x range except 1000V range, where max output is 11OOV. Resolution: 1 digit in 19,999,999 or 10 nV, whichever is greater. Sensing: Selectable remote/local sensing on 1 V to 1000V ranges. Guarding: Selectable remote/ local guarding. Settling Time: < 1 s to 10 ppm of step size. Output Impedance/Max Output Current: 100 uV to 100 mV Ranges, 100 ohm. 1V to 1000V Ranges, 25 mA max. AC Voltage (Option 20); Ranges: 1 mV to 1000V in decades. Full Scale: 2 x range except 1000V range, where max output is 1100V. Resolution: 1 digit in 1,999,999 or 100 nV, whichever is greater. Frequency: Ranges: 100 Hz to 1 MHz in decade steps. Resolution: 1 % of range. Accuracy: <±100 ppm. Sensing: Selectable remote/local senSing on 1V to 1000V ranges. Guarding: Selectable remote/local guarding. Maximum Capacitive load: 1000 pF on 1 V to 100V ranges, 300 pF on 1000V range. Settling Times: To 100 ppm of step size: <10s (10-32 Hz), <3 s (33-330 Hz), <1 s (>330 Hz). DC Current (Option 30); Ranges: 100 uA to 1A in decades. Full scale: 2 x range. Resolution: 1 digitin 1,999,999 or 100 pA, whichever is greater. Guarding: Selectable remote/local guarding. AC Current (Option 30); Ranges: 100 mA to 1A in decades. Full Scale: 2 x range. Resolution: 1 digit in 1,999,999 or 100 pA, whichever is greater. Guarding: Selectable remote/local guarding. Resistance (Option 30); Ranges: 10 ohms to 100 M-ohm in decades. (Ranges are nominal, actual calibrated values are displayed). Connections: Selectable 2 or 4-wire, remote/local guard. Display Resolution: 1 digit in 19,999,999. IEEE-488 interface. OPTIONS; 10: DCV Ranges. 20: ACV Ranges. 30: DCI, ACI and Resistance Ranges (requires Option 10, or 20, or both). 42: Alternative Rear Output. 80: 115V 60Hz line operation. 81: 115V 50Hz line operation.
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