FLIR DM91 USER MANUAL Document Identifier: DM91-en-US_AB
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4.2 Function Switch Positions
Detect AC voltage through the non-contact sensor at the top of the meter.
Measure voltage through the probe inputs with a low-impedance load
positioned across the inputs that stabilizes the measurement.
FLEX Direct: Auxiliary channel for use with optional Flexible Current clamp or
standard clamp adaptors when > 600A measurements are required. In this
mode, the meter will display true rms ACA measurements from the connected
device. Frequency (Hz) appears when the MODE button is pressed.
Meter is OFF and in full power-saving mode.
Measure AC voltage (V) through the probe inputs.
Measure DC voltage (V) through the probe inputs.
Measure low voltage (mV) through the probe inputs. Use the MODE button to
select AC/DC voltage.
Measure temperature through the probe inputs using a thermocouple
adaptor. Use the MODE button to select Temperature (
, to select
°
C or
°
F as the default unit).
Measure resistance, continuity, capacitance, or diode through the probe
inputs. Use the MODE button to select the desired function.
Measure
µA
current through the probe inputs. Use the MODE button to select
AC or DC.
Measure current through the probe inputs (A or mA). Use the MODE button to
select AC or DC.
Fig. 4-3
Function Switch
