Features and Functions
Actions Steps
Turns ON backlight Press
Checks battery capacity Press and hold for > 1 s
Freezes the measured value Press
Starts MIN/MAX/AVG recording Press and hold for > 1s
Offsets the measured value Press
Changes the measuring range Press
Turns on auto range Press and hold for > 1 s
Turns on dual display Press
Starts manual data logging Press and hold for > 1s
Views the logged data Press for > 1s, press
to scroll through the logged data
Clears the logged data Press for > 1 s, press for
> 1 s
Input Terminals and Overload Protection
Measurement
Functions
Input Terminal Overload Protection
Voltage
COM
1000 V R.M.S.
Diode
1000 V R.M.S
< 0.3 A short circuit current
Resistance
Capacitance
Te m p e r a t u r e
µA & mA µA mA COM 440 mA/1000 V 30 kA/fast-acting fuse
A ACOM11A/1000 V 30 kA/fast-acting fuse
U1251A and U1252A Quick Start Guide