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Features and Functions
Rotary Switch
Function
First level functions
OFF
Turn off the meter
DCV measurement
Diode measurement
Resistance measurement
Capacitance measurement
DCµA
DCmA
DCA
T1
T1 temperature
Actions
Turns ON backlight
Checks battery capacity
Freezes the measured value
Starts MIN/MAX/AVG recording
Offsets the measured value
Scan the measured temperature (for U1242A only)
Changes the measuring range
Turns on auto range
Measures frequency for AC signal
Starts manual data logging
Range
Second level functions (press
0.1 mV to 1000 V
ACV measurement
Harmonic ratio (for U1242A)
Switch counter measurement
0.1
to 100 M
Audible continuity measurement
0.1 nF to 10 mF
0.1 μA to 10 mA
ACµA measuremen
0.01 mA to 440 mA
ACmA measurement
mA% scale
0.001 A to 10 A
ACA measurement
–40 °C to 1000 °C
T2 and T1–T2 temperature
measurements (for U1242A)
Steps
Press
Press and hold
Press
Press and hold
Press
Press and hold
Press
Press and hold
Press
Press and hold
Keypad
. .........
)
Range
0.1 mV to 1000 V
0.0% to 99.9%
0.1 μA to 10 mA
0.01 mA to 440 mA
0.001 A to 10 A
–40 °C to 1000 °C
for > 1 second
for > 1 second
for > 1 second
for > 1 second
for > 1 second
U1241A/U1242A Quick Start Guide
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