3.1.11. Automatic Power off
When there is no any keys to be pressed, it reached the time you set. The buzzer will ring four times, and
then the device will turn off.
1.Turn on the device. And then press the key 6 three times quickly.
2.Touch the key 5 or 7 to select the time you want to set. There are 0min(disable the automatic power off
function), 10min, 30min, 60min, 90min, 120min.
3.Touch the key 3, and then touch the key 6 to save the setting.
3.1.12. Automatic Lock TouchPad
When the measured value is out of the 20% of the range, the touchpad will be locked. And the symbol
“LOCK” will flash on the LCD. Until the user unlock the device or the read value dropped to below 20%
3.1.13. Test lead plug Indication
When switching the measurement functions need to change the testlead terminal. The symbol “LEAD”
will display on the LCD, and the red backlight indicate.
3.1.14. Red Backlight alarm
When the active measurement is out of range, the red backlight will turn on automatically. It means the
measurement is over the range.
3.1.15. Ambient Temperature measurement
When the sub-display area has no function, the ambient temperature will be displayed in this area. For
example, DC voltage, DC current, Diode, CONT, Resistor, Capacitor.
3.1.16. PT100 / PT1000 Temperature measurement
1.Touch the key 12 to the resistance measurement mode.
2.Touch the key 2, then the symbol “
” will be displayed on the sub-display.
3.Touch the key 7 once to the PT1000.
4.Connect the PT100/PT1000 probe to the V terminal and the COM terminal. And the temperature will be
displayed on the LCD. Types of support are PT100-385 or PT1000-3850, the range is -200 to 850°C�
5. Touch the key 7 again to return to the resistance measurement mode.
3.1.17. 4-20mA%, 0-24mA%,0-20mA% measurement
When you select the DC uA/mA, switch the ranges you can enter the 4-20mA% or 0-24mA% or 0-20mA%.
The percentage of current. This function is always using in automatic control area. Such as transmitter,
PLC etc. We need to connect the mA terminal and the COM terminal with the output of transmitter.
Finally, we can read the value on the LCD.
1. Turn on the meter.
2. Touch the key 10 three times to enter this function. The symbol “
” will be shown on the screen.
