www.element14.com
www.farnell.com
www.newark.com
www.cpc.co.uk
TM
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Page <7>
V1.0
04/03/19
10. NCV measurement (only for 72-13440, see Figure 6)
1) Switch the dial to NCV position
2) Place the device near the measured object. “-” symbol indicates the intensity of the electric field. More “-” and the higher
the buzzer frequency, the higher the electric field intensity.
3) Intensity of electric field.
“EF” : 0 ~ 50mV
“-”
: 50 ~ 100mV
“--”
: 100 ~ 150mV
“---” : 150 ~ 200mV
“----” : >200mV
11. Additional features
•
The device enters measurement status in 2 seconds after startup.
•
The device automatically shuts down if there is no operation for 15 minutes.
you can wake up the device by pressing any key.
To disable auto shutdown, switch the dial to OFF position, long press HOLD key and turn on the device.
•
When pressing any key or switching the dial, the buzzer will beep once.
•
Buzzer Notification
1) Input voltage
^
250V (AC/DC), buzzer will continuously beep indicating measure range is at limit
2) Input current >10A (AC/DC), buzzer will continuously beep indicating measure range is at limit
•
1 min before auto shutdown, 5 continuous beeps.
Before shutdown, 1 long beeps.
•
Low power warnings:
Voltage of the battery <2.5V, symbol appears and flashes for 3 seconds every 6 second period. During low power
status, the device can still work. Voltage of the battery <2.2V, a solid symbol appears, the device cannot work.
9. Technical specification
•
Accuracy: ±(% of r numerical value in least significant digit slot)
1 year warranty