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Section 4: Basic DMM operation Series 3700A System Switch/Multimeter Reference Manual

4-10 3700AS-901-01 Rev. D/June 2018

Settings available for voltage measurements

The following DMM attributes are available for voltage measurements:

• aperture (range of 10 µs to 0.250 s for 50 Hz; 8.33 µs to 0.250 s for 60 Hz)

• autodelay (dmm.AUTODELAY_ONCE, dmm.ON or dmm.OFF)

• autorange (dmm.ON or dmm.OFF)

• autozero (dmm.AUTOZERO_ONCE, dmm.ON or dmm.OFF)

• dB reference (0.1 µV to 1000 V)

• detector bandwidth (3, 30, or 300)

• display digits (3, 4, 5, 6, or 7)

• filter count (1 to 100)

• filter enable (dmm.ON or dmm.OFF)

• filter type (dmm.FILTER_MOVING_AVG or dmm.FILTER_REPEAT_AVG)

• filter window (0 to 10%)

• input divider (dmm.ON or dmm.OFF)

• DMM limit auto clear (dmm.ON or dmm.OFF)

• DMM limit enable (dmm.ON or dmm.OFF)

• DMM limit high fail (0 or 1)

• DMM limit high value (–4294967295 to +4294967295)

• DMM limit low fail (0 or 1)

• DMM limit low value (–4294967295 to +4294967295)

• line synchronization (dmm.ON or dmm.OFF)

• math enable (dmm.ON or dmm.OFF)

• math format (dmm.MATH_NONE, dmm.MATH_MXB, dmm.MATH_PERCENT, or

dmm.MATH_RECIPROCAL)

• math mxb b factor (–4294967295 to +4294967295)

• math mxb m factor (–4294967295 to +4294967295)

• math mxb units

• math percent (–4294967295 to +4294967295)

• nplc (0.0005 to 15 for 60 Hz; 0.0005 to 12 for 50 Hz)

• range (0 to 303)

• relative offset enable (dmm.ON or dmm.OFF)

• relative offset level

• units (dmm.UNITS_VOLTS or dmm.UNITS_DECIBELS)

Keithley 3700 Series User Manual

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