Wuhan Wugao Electric Measurement Co., Ltd

WDCR9500 Series Wireless High Voltage CT Transformer Ratio Tester

The WDCR 9500 series wireless high and low voltage CT change ratio tester breaks through the conventional structure, and is carefully designed and manufactured to measure the high voltage current transformer, transformer primary, secondary current size, change ratio, phase, polarity and leakage current below 60kV (for example: 10kV or 35kV) in online operation.


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Product Details

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Function

Test online for current, change ratio, polarity, phase separation and leakage current of the primary and secondary circuit of the high and low voltage current transformer; online test for current size and change ratio on both sides of the transformer

Power supply

The DC6V alkaline dry battery (1.5V AAA 4) works continuously for 30 hours

test mode

pincerlike CT

transmission mode

Wireless transmission, with a linear transmission distance of 20m

Display mode

LCD128dots×64dots

Blue screen backlight function, suitable for dim places

LCD size

Display Domains: 44mm, 27mm

Instrument size

Host: width and height of 75mm 170mm 30mm

High pressure detector: width and height of 76mm 255mm 31mm

Low-voltage current clamp: 70mm 175mm 38mm wide and thick

Clip size

High-voltage tester: 48mm

Low-voltage current clamp: 25mm and 30mm

sampling rate

Three times / second

measuring range

High-pressure tester: 0.0mA~1000A

Low-voltage current clamp: 0.00mA~10A

resolution ratio

High voltage detector: 0.1mA; low voltage current clamp: 0.01mA

shift

Automatic shift

One-time circuit test precision

(23℃ ± 3℃ 80%RH)

0.0mA10.0A  : ±1%±5dgt

10.0A49.9A  : ±2%±5dgt

50.0A199.9A : ±3%±5dgt

200A  600A : ±4%±5dgt

601A  1000A : ±5%±5dgt

Secondary circuit test accuracy

0.00mA 10A : ±0.5%±5dgt

(23℃ ± 3℃, below 70%RH)

no-load voltage ratio

Three variable ratio shows: (as measured in the primary and secondary circuits; the conversion ratio of the secondary circuit 5A; the 10kV-YY of 10kV / 380V), the maximum conversion ratio is 1:10 million (1.0K7)

data storage

For 3000 sets, keys hold data and automatically store (drop power or replace battery without losing data)

voltage between lines

Test for lines below 60kV (which must be operated with 5 insulated rods)

data-hold

Key to hold the data, the symbol display, and then the key to unhold

Data access

Key + key can enter the data access mode

Overflow display

Overrange overflow function: The OLA symbol displays

No signal indication

"No signal" when the host does not receive a transmit signal

auto shut off

The instrument will automatically turn off about 15 minutes after turning off

cell voltage

When the battery voltage is below 4.8V, the low voltage is displayed to replace the battery

Instrument quality

Host: 240g (including battery)

High Pressure Tester: 335g (including battery)

Low-voltage current clamp: 150g

Total mass: 5kg (including, instrument box, and insulation rod)

external disturbance

No particularly strong electromagnetic field; no 433MHz, 315MHz same-frequency interference

Working temperature and humidity

-25℃ ~45℃; below 80%Rh

Store temperature and humidity

-10℃ ~60℃; below 70%Rh

Insulation rod size

32mm, 1m / section, 5 section

Low-voltage current clamp lead length

Two meters

insulation strength

High voltage detector: AC100kV / rms (Section 5 between insulation rod and high voltage-6-current clamp core)

Main machine and low-voltage current clamp: AC1000V / rms

structure

Anti-proof type (high pressure detector)


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