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ES9070 Wireless High Voltage Voltmeter

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Wireless high-voltage voltage and induced voltage measurement, high-voltage electrical inspection

power supply


Receiver: DC7.5V, 5 AA alkaline batteries


Detector: Zinc-manganese dry battery 6F22, 9V

Transmission distance

Wireless transmission, straight-line transmission distance of about 30 meters

Electrical inspection level

70V~220kV (110V, 220V, 3kV, 6.3kV, 10kV, 35kV, 66kV, 110kV, 220kV)

Display range of ground voltage

0.1kV~120kV (voltage to ground)

Display accuracy of ground voltage

High-voltage overhead line ±15%±5dgt (other applications: ±25%±5dgt)

Line voltage display range

0.1kV~220kV (corresponding display line voltage, multiply √3 according to the ground voltage)

Line voltage display accuracy

High-voltage overhead line ±15%±5dgt (other applications: ±25%±5dgt)

Probe diameter


Probe length


Radio frequency


Display mode

3.5 inch color screen

LCD size


Power indicator

The detector has a green power indicator

Electric inspection instructions

The detector has sound and light indication function, red double flashing light indication and “beep-beep-beep” buzzer during electricity inspection

Display rate

2 times/sec

Data storage

500 groups (power failure or battery replacement will not lose data)

LCD backlight


Automatic shut-down

After about 15 minutes of power on, the meter will automatically shut down

Battery voltage

The battery voltage is insufficient, and the low battery symbol ”     ” is displayed

Power consumption

Detector: 70mA Max; Receiver: 200mA Max

Instrument quality


Receiver: 450g (including battery);


Detector: 450g (including hook battery);

Instrument size

Receiver: 187×119×48mm; Detector: 146×100mm×75mm

Insulation rod length

Maximum diameter Φ38mm; length: 3 meters

Insulation test


Both ends of the insulating rod after stretching: AC 220kV/rms


Receiver and detector: AC3700V/rms (between exposed metal and plastic case)

outside interference

No strong electromagnetic field; there should be no 315MHz co-channel interference at the test site

Working temperature and humidity

-10℃~40℃; below 80%rh

Storage temperature and humidity

-10℃~60℃; below 70%rh

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