18
ELECTRICAL SYMBOLS
Caution, possibility of electric shock
Equipment protected throughout
by DOUBLE INSULATION or
REINFORCED INSULATION
Altemating current
Earth (ground) TERMINAL
Direct current
Warning or Caution
GENERAL SPECIFICATIONS
1. Max display: 4099.
2. Polarity display: Auto.
3. Overload display: “OL” or “-OL”.
4. Low battery indication: The
symbol is displayed.
5. Low battery shutdown prompt: The “Lo.bt” interface appears on the LCD and lasts for about
1 Os, the buzzer beeps three times, and the meter automatically shuts down.
6. Test position error: lf the source under test is not placed at the center of the clamp jaws
when measuring current, ±1.0% additional error in reading will be produced.
7. Drop protection: 1m.
8. The maximum size of jaw opening: 28mm in diameter.
9. Battery: AAA battery 1.5Vx2.
10. Auto power off: lf there is no operation of the function switch or any button for 15 minutes,
the meter will automatically power off. This function can be turned off as needed.
11. Dimensions: 215mmx63.5mmx36mm.
12. Weight: About 248g (including batteries).
13. Altitude: 2000m.
14. 0perating temperature and humidfy: 0ºC-30ºC (≤80%RH), 30ºC-40ºC (≤75%RH), 40ºC-
50ºC (≤45%RH).
15. Storage temperature and humidity: -20ºC-60ºC (≤80%RH).
16. Electromagnetic compatibility:
RF=1V/m, overall accuracy = specified ac 5% of range.
RF>1V/m, no specified calculation.