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ETCR9550B Wireless High/Low Voltage CT Turn Ratio Tester

Main Functions
Current, variable ratio, angle difference test, polarity and phase difference judgment of the first and second circuits of high and low voltage current transformers
Primary high voltage current clamp range: 0.00A～800A
Primary flexible current clamp range: 0.0A～3000A
Secondary current range: 0.00mA～5A
Variable ratio measurement range: 1～9999
Angle difference range: 0～360°
Wireless transmission distance: 100m
Storage function: store 3000 sets of data
USB communication interface
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    Product Introduction
    ETCR9550B Wireless High/Low Voltage CT Turn Ratio Tester, also known as transformer current variable ratio tester, transformer ratio difference tester, current transformer variable ratio tester, is used for primary current, secondary current size, variable ratio, angle difference, phase difference, polarity judgment of current transformers below 35kV.It is widely used in substations, power plants, power inspection departments, industrial and mining enterprises, testing stations, electrician maintenance departments for current detection, anti-theft and field electrician operations.
    ETCR9500B Wireless High/Low Voltage CT Turn Ratio Tester consists of a primary high-voltage current clamp, a primary low-voltage flexible current clamp, a secondary current clamp, a host, a high-voltage insulating rod, monitoring software, a communication line, etc. The high-voltage current clamp is made of high-performance permalloy, and the test accuracy is high.The high-voltage current clamp communicates wirelessly with the host. The high-voltage clamp has a unique automatic plug-in structure. By pressing or withdrawing the insulating rod, it can easily clamp or evacuate the wire under test, and the operation is safe, time-saving and fast.The flexible current clamp is wired to the host, and the flexible current clamp is lightweight and small, which is suitable for places with small spaces (such as busbars in power distribution cabinets, etc.).The insulating rod is lightweight, has the characteristics of moisture-proof, high temperature resistance, impact resistance, bending resistance, and high insulation, and the insulation level is 110kV.The instrument has a storage function, a USB communication interface, and the stored data can be uploaded to a computer for historical data reading, viewing, saving, printing, etc.
    1. The innovative automatic plug-in and unplugging structure of the primary high-voltage current clamp can easily clamp or evacuate the wire under test by pressing or withdrawing the insulating rod, which is safe, time-saving and fast.The high-voltage current clamp adopts wireless transmission method with the host, and the transmission distance is 100m.
    2. The primary flexible current clamp is particularly suitable for small spaces and places with dense wiring, and it adopts a wired connection with the host.
    3. Storage function, storing 3000 sets of data.
    4. USB communication interface.
    Technical Parameter
    Power Supply DC6V alkaline dry battery LR03 (1.5V AAA×4)
    Display Mode LCD: 128dots×64dots; backlight function, suitable for dim places
    LCD Size Display area: 44mm×27mm
    Test Method Clamp CT
    Primary High Voltage Current Clamp Test Range: 0.00A～800A; resolution: 0.01A; accuracy: ±0.5%FS
    Primary Flexible Current Clamp Test Range: 0.0A～3000A; resolution: 0.1A; accuracy: ±1.0%FS
    Secondary Current Test Range: 0.00mA～5A; resolution: 0.01mA; accuracy: ±0.5%FS
    Turn Ratio Measurement Range 1～9999
    Turn Ratio Resolution 0.1
    Angle Difference Test Range: 0～360°; resolution: 1°; accuracy: ±3°
    Shift Gears Fully automatic gear shift
    Sampling Rate 2 times/second
    Memory 3000 groups, press the HOLD button to keep the data and store it automatically (data will not be lost if the battery is powered down or replaced)
    Data Hold Press the HOLD key to hold the data, and then press the HOLD key to cancel the hold
    Data Access Press the HOLD key + POWER key to enter the data access mode
    Overflow Display Over-range overflow function: ”OL" symbol display
    No Signal Indication Prompt “No signal” when the host does not receive the transmitted signal
    Automatic Shutdown After about 15 minutes of power-on, the meter will automatically turn off
    Battery Voltage When the battery voltage is lower than 5.2V±0.3V, the low voltage symbol is displayed to remind the battery to be replaced.
    Primary High Voltage Current Clamp Size Clamp jaw size: Φ48mm; overall size: 255mm×84mm×39mm；
    Primary Flexible Current Clamp Size Clamp jaw size: Φ200mm; overall size: 200mm×245mm×13mm
    Secondary Low Voltage Current Clamp Size Clamp jaw size: Φ16mm; overall size: 110mm×53mm×22mm
    Primary High Voltage Current Clamp Transmission Distance Wireless transmission distance 100m
    Host Size 78mm×165mm×42mm；
    Weight Receiver: about 302g (including battery); total mass: about 6.5kg (including accessories)
    External Interference Avoid extra-strong electromagnetic fields; avoid 433MHz and 315MHz interference at the same frequency
    Telescopic Insulating Rod Size 4300mm 
    Insulating Rod Withstand Voltage 110kV
    Insulation Strength Host and detector: AC1000V/rms (between shell and screw)
    Working Temperature & Humidity -25℃～45℃; below 80%RH
    Storage Temperature & Humidity -10℃～60℃; below 70%RH
    Model comparison
    Product Picture Product Model Name Line Voltage Level Primarary Current Range Secondary Current Range Wireless Distance Turn Ratio Range Angle Difference Test Others
    ETCR9500B Wireless High Voltage CT Turn Ratio Tester ≤35kV 0.0A ～800A 0.00mA～5A 100m 1～9999 --  
    ETCR9500C-016 Three-Channel Wireless High Voltage CT Turn Ratio Tester ≤35kV 0.0A ～800A 0.00mA～5A 100m 1～9999 -- Simultaneous measurement of 3 channels secondary currents
    ETCR9500C-030 Three-Channel Wireless High Voltage CT Turn Ratio Tester ≤35kV 0.0A ～800A 0.00mA～10A 100m 1～9999 -- Simultaneous measurement of 3 channels secondary currents
    ETCR9550B Wireless High/Low Voltage CT Turn Ratio Tester ≤35kV 0.0A ～800A /3000A 0.00mA～5A 100m 1～9999 Yes      
    ETCR9570 Multifunctional High/Low Voltage CT Turn Ratio Tester ≤35kV 0.0A～800A/3000A 0.00mA～10A 100m 1～9999 Yes     Harmonics/Voltage/Power measurement, Bluetooth
    ETCR9600 Low Voltage CT Turn Ratio Tester 380V/220V 0.0A～800A 0.00mA～5A -- 1～9999 Yes      
    ETCR9620 Low Voltage CT Turn Ratio Tester 380V/220V 0.0A～3000A 0.00mA～5A -- 1～9999 Yes      
    ETCR9620B Low Voltage CT Turn Ratio Tester 380V/220V 0.0A～3000A 0.00mA～5A 100m 1～9999 --  
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Guangdong ETCR Electronic Technology CO.,Ltd Our corporate focuses on the research, development, and production of intelligent power testing and control instruments; and also provides OEM service.
Guangdong ETCR Electronic Technology CO.,Ltd
Our corporate focuses on the research, development, and production of intelligent power testing and control instruments; and also provides OEM service.

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