دتکتور ولتاژ بالا برند SEWمدل SEW 276HD High Voltage Detector (3kV ~ 24kV AC; 354 - 1005 mm)

SEW 276HD High Voltage Detector (3kV ~ 24kV AC; 354 - 1005 mm)

:Valtage Range

+ H.V. : 3kV ~ 24kV AC
+ L.V. : 80V ~ 600V AC
- Frequency: 50Hz / 60Hz
:Operation Test
+ When stretched, hold the grip portion. Put the sensing tip in contact with the voltage : 250V AC +/- 50V the LED and buzzer should work
+ When retracted, hold the nameplate portion. Put the sensing tip in contact with the voltage : 80V AC or below the LED and buzzer should work
- Operation start distance: Distance at which operation starts when front metal is brought near dia. 5mm O.C. wire with grip portion meld by hand
+ Where 24kV / dia. 3mm (voltage to ground) ...... abt 20 cm
+ Where 6.6kV / dia. 3mm (voltage to ground) ...... abt 3 cm
+ Where 3.3kV / dia. 3mm (voltage to ground) ...... abt 1 cm

length 255 - 870 mm 
Battery : 2 button-cells LR44 (1.5V)