APPA 506 - Combined and Resistance Measurements; AC+DC Measurement; Measuring Resistance

506/506B
EN
Make AC+DC Measurement
When input signal is ac and dc combinations: AC over DC or
DC over AC, the meter is capable of displaying one AC+DC
(rms) value combined. Dene as below :
To use the AC+DC function, turn rotary switch stop in DCV,
DCmV or A position, then press function (yellow) button to
select measurement function.
( AC + DC )V rms = ACV² + DCV²
( AC + DC )Arms = ACA² + DCA²
Measuring Resistance
CAUTION
• To avoid possible damage to the meter or to the equipment
under test, disconnect circuit power and discharge all high
voltage capacitors before measuring resistance.
The ranges of measuring resistance are 400Ω, 4kΩ, 40kΩ,
400kΩ, 4MΩ, and 40MΩ.
The test leads may be add 0.1Ω to 0.2Ω of error to
resistance measurements. To test the leads, touch the probe
tips together and read the resistance of the leads. For best
accuracy, you can use the relative (Δ) mode to automatically
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