Function

Online test of current, ratio, polarity, phase difference and leakage current of the primary and secondary circuit of the HV & LV current transformer;

On - line test of current and ratio on both sides of transformer

Power supply

AC220V±10%, 50±1Hz;

DC6V alkaline dry battery (1.5V AAA size 4pcs), can continuously work for 30 hours.

Test method

Clip-on CT

Transmission mode

Wireless transmission, linear transmission distance 30m

Display

LCD: 128*64 dot matrix

Backlight function, applicable in the darkness.

LCD size

Display area: 44mm*27mm

Meter size

(Width*Height*Thickness)

Main unit: 78*165*42mm

High voltage tester: 76*255*31mm

LV current clamp: 70*115*38mm

Size of clamp

High voltage tester: φ48mm

LV current clamp: 25mm*30mm

Sampling rate

2 times/second

Measurement range

High voltage tester: 0.0mA~1200A

LV current clamp: 0.00mA~10A

Resolution

High voltage tester: 0.01mA; LV current clamp: 0.01mA

Gear shift

Fully automatic gear shift

Accuracy of primary loop test

(23ºC±3ºC, <80%RH)

0.0mA~10.0A:          ±1%±5dgt  

10.0A~49.9A:      ±2%±5dgt  

50.0A~199.9A:     ±3%±5dgt

200A~600A:        ±4%±5dgt    

601A~1200A:       ±5%±5dgt   

Accuracy of secondary loop test

0.00mA~10A: ±0.5%±5dgt

(23ºC±3ºC, <70%RH)

Turns ratio

Display of 3 kinds of turns ratio:

Measured turns ratio in primary and secondary circuit;

The conversion ratio of secondary loop 5A is taken;

With the conversion ratio of 10kV-YY of the transformer 10kV/380V)

The maximum conversion ratio is 1:10 million.

Data storage

3000 groups, press the HOLD key to keep data, and data is numbered automatically (the data will not be lost if there is power failure or battery replacement.

Line voltage

Current measurement in lines with insulating layer below 60kV, or in bare wire below 35kV.  (5 sections of insulating rod is required)

Data hold

Press the HOLD key to hole data, the HOLD symbol will be displayed, and then press again to cancel holding.

Data review

Press HOLD and POWER simultaneously to enter data review interface.

Overflow display

Exceeding measuring range overflow function: "OL A" icon display

No signal indication

When main unit does not receive the transmitter's signal, it will prompt "no signal".

Auto shut-down

Automatically shut-down after powering on for 15 minutes.

Battery voltage

When the battery voltage is lower than 4.8V, indication is displayed to remind user to replace battery

Meter's weight

Main unit: 330g(with battery)

High voltage tester: 335g(with battery)

LV current clamp: 150g

Total: 5kg(with carrying case and insulating rod)

External interference

Avoid extremely strong electromagnetic field

Avoid 433MHz.and 315MHz co-channel frequency interference

Working condition

-25ºC~45ºC, <80%RH

Storage

-10ºC~60ºC, <70%RH

Size of insulating rod

φ32mm, 1m/section, 5 sections

LV current clamp lead

2m

Insulation strength

Insulating rod: AC 60kV/rms (5 sections of insulating rod are all connected, between two ends)

Between main unit and tester: AC1000V/rms(between enclosure and screw)

Structure

Drip-proof structure type II (high voltage tester)

Ambient temperature

-10ºC~50ºC

Ambient humidity

≤85%

Altitude

≤2000m