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ETCR9500B Wireless High Voltage Transformation Ratio Tester

August 16, 2019

ETCR9500BThree Channel Wireless High Voltage Transformation Ratio Tester break through the traditional structure, special designed and manufactured for online measurement of current transducer, transformer primary current and secondary current, transformation ratio, phase and polarity judgment below 35kV in operation. The instrument is composed of primary current clamp (high voltage detector), secondary current clamp, host machine, high voltage insulation rod, monitoring software, communication cable, etc. the test data of primary current clamp adopt wireless to transmit which transmission distance of 100 meters.

The current clamp is made of high performance permalloy with magnetic shielding technology, which is almost free from the influence of the external magnetic field, ensuring the long time uninterrupted monitoring of high accuracy, high stability and high reliability.

The host LCD display clear and obvious, with large storage space, can store 3000 groups of data.

The high voltage detector connect with 5pcs insulation rods, used for high voltage line current measurement which the wire with insulation skin below 60kV or the bare wire below 35kV, high voltage current clamp have unique automatic plug and pull structure, by pressing or pulling out the insulation rod can be easy to clamp or withdraw the tested line, saving time and more effective. It is widely used in substations, power plants, industrial and mining enterprises, inspection stations, electrical maintenance departments for current detection and electrical field operations. The insulation rod is handiness, and has the characteristics of moisture-proof, high temperature resistance, impact resistance, bending resistance, high insulation, scalable and so on. Insulation level 110kV.

ETCR9500B Wireless High Voltage Transformation Ratio Tester,also have the functions of high and low voltage clamp meter, high altitude current tester and so on.



Technical Specification

Function

H/L voltage current transducer, transformer primary and secondary circuit current, transformation ratio, polarity and phase adjustment

Power Supply

DC 6VLR03(1.5V AAA×4)

Test Mode

Clamp CT

Primary Current Test Accuracy

Range:0.0A~800A;Resolution:0.1; Accuracy:±0.5%FS(23℃±3℃,below70%RH,the conductor should be in the center of the clamp)

Secondary Current Test Accuracy

Range:0.00mA~5A;Resolution:0.01mA;Accuracy:±0.5%FS

Transformation Ratio Measurement Range

1~500

Transformation Ratio Resolution

0.1

Primary Current Clamp Size

Jaw Size: φ48mm

Out Shape Size: 76mm×255mm×31mm

Secondary Current Clamp Size

Jaw Size: φ8mm

Out Shape Size: 137mm×40mm×19.5mm

Shift

Full automatic

Sampling Rate

3 times/second

Data Storage

3000 groups, Press the left arrow key to keep the data and store automatically (Power down or replace the battery will not lose data)

Data Hold

Press left arrow key to hold data in test mode, “HOLD” symbol display, press HOLD key again to cancel hold function

Data Access

Press the right arrow key enter into data access mode

Overflow Display

Exceed measure range overflow function: “OL” symbol display

No Signal Indication

When the receiver has not received transmit signal, dynamic display “no- -”symbol.

Auto Shut Down

15 minutes after boot up, the meter shuts down automatically without any operation

Battery Voltage

When battery voltage is lower than5.2V±0.3V, low battery voltage symbol will display and remind to replace battery.

Primary Current Clamp Transmission Distance

Wireless transmission distance 100M

Secondary Current Clamp Connection Cable Length

2M

Display Mode

LCD:128dots×64dots  With  backlight function, suitable for dark places

LCD Size

Display area :44mm×27mm

Host Size

78mm×165mm×42mm

Meter Weight

5 kg (with insulation rod and toolkit )

External Interference

Avoid extremely strong electromagnetic fields; Avoid 315MHz, 433MHz Same-frequency Signal Interference

Working Temperature

-15℃~50℃;below 70%rh

Store Temperature

-10℃~60℃;below 70%rh

Insulation Rod Size

Φ32mm,1m/pcs(5pcs)

Insulation Rod withstand voltage

110kV

Insulation Strength

Host and detector:AC1000V/rms(between the shell and screws)


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