Setup

Equipment

LabelInventoryDeviceGPIB AddressDevice Description
DMM-AAdvantest R6871E-DC
DMM-BAdvantest R6871E-DC
NVMKeithley 181
VSAdvantestN/A
DTYokogawa

Components

DesignatorTypePart NumberVendor
C1Polypropylene (PP) Capacitor 330uF
R1Metal-film 1MOhm

Experiment

Variants

Variant V1

  • NVM is not connected to experimental setup

Variant V2

  • NVM is connected in parallel with DMM-B

Variant V3

  • NVM is shorted and connected to LO port of DMM-B

Measurements

SeriesDurationNPLC
11Ms10

Measurement Series 1

  • Settings

    • DMM-A & DMM-B (R6871E-DC): NPLC10; ACAL ON

Environment

Temperature

Overall plot, AVAR, ACAL overlay

Humidity and Pressure

Extract from HASS

Analysis

R6871 Notes

Commands Cheatsheet

A/D integration time

CodeDescription
IT0100us
IT11ms
IT210ms
IT31PLC
IT45PLC
IT510PLC
IT620PLC
IT750PLC
IT8100PLC
IT96.666ms (MULTI only)
IT108.333ms (MULTI only)

AUTOCAL/ZERO setting

CodeDescription
AZ0AutoZero OFF
AZ1AutoZero ON

AutoZero performs two full measurements per triggered measurements. Thus the measurement interval doubles, while the measurement aperture stays the same.

CodeDescription
ACPerform AutoCalibration

Performs internal auto-calibration procedure.