ETCR9550B Wireless H/L Voltage Transformation Ratio Tester-ETCR
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ETCR9550B Wireless H/L Voltage Transformation Ratio Tester

Product Main Function

1.  Measurement of H/L voltage current transducer, transformer primary and secondary circuit current, transformation ratio, polarity and phase adjustment 
2.  Transformation Ratio Measurement Range：1~500

3. Transformation Ratio Resolution ：0.1

4. Primary Current Test Accuracy ：Range:0.0A～800A；Resolution：0.1; Accuracy：±0.5%FS(23℃±3℃，below 70%RH，the detected is in the center position of the clamp);

6. Secondary Current Test Accuracy ： Range：0.00mA～5A；Resolution：0.01mA；Accuracy：±0.5%FS


ETCR9550B Wireless H/L Voltage Transformation Ratio Tester special designed and manufactured for online measurement of current transducer, transformaer primary current and secondary current, transformation ratio, phase and polarity judgment below 35kV in operation. The product 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 transmt 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, with large storage space, can store 3000 groups of data. the hight voltage detector connect with 5pcs insulation rod, which can use for hight voltage line current measurement of  the wire with insulation skin below 60KV or  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 wire, 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.

The monitoring software has the functions of online real-time monitoring and historical query, dynamic display, maximum, minimum and average indication, alarm value setting and alarm indication, and with historical data reading, accessing, saving, printing and other functions. ETCR9550B Wireless H/L Voltage Transformation Ratio Tester, at the same time: H/L voltage clamp current meter, high altitude current telemeter and other products functions.



 Fuction H/L voltage current transducer, transformer primary and secondary circuit current, transformation ratio, polarity and phase adjustment 
 Power Supply  DC6V alkaline batteries (1.5V AAA × 4)
 Test Mode  Clamp CT
 Primary HV Current Clamp Test Accuracy  Range:0.0A～800A；Resolution：0.1A; Accuracy：±0.5%FS (23℃±3℃，below 70% RH，the detected is in the center position of the clamp);
 Primary Flexible Current Clamp Test Accuracy  Range:0.0A～3000A；Resolution：0.1A; Accuracy：±1.0%FS
 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
 Angle Error Test  Accuracy  Range：0～360°；Accuracy：±3°
 Shift  Automatic shifting
 Sampling Rate  2 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 HOLD key to hold data,  press “HOLD” key once again cancel the hold function
 Data Access  Press HOLD key+ POWER 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
 Automatic Shutdown  15 minutes after boot up, the meter shuts down automatically without any operation
 Battery Voltage   When battery voltage is lower than 5.2V±0.3V, low battery voltage symbol  will display and remind to replace battery. 
 Display Mode  LCD：128dots×64dots； with backlight function, suitable for dark places
 LCD Size  44mm×27mm
 Host Size  78mm×165mm×42mm； 
 Primary HV Current Clamp Size  Jaw Size: φ48mm;  Out Shape Size: 76mm×255mm×31mm
 Primary Flexible Current Clamp Size  Jaw Size: φ200mm; Out Shape Size: 200mm×245mm×13mm
 Secondary LV Current Clamp Size  Jaw Size: φ8mm;  Out Shape Size: 137mm×40mm×19.5mm
 Primary Current Clamp Transmission Distance  Wireless transmission distance 100m
 Current Clamp Connection Cable Length  2M
 Meter Weight  5kg (include insulation rod and battery)
 External Interference  Should avoid extremely strong electromagnetic fields, avoid 315MHz, 433MHz same-frequency signal interference
 Working Temperature  -25℃～45℃；below 80%rh
 Store Temperature  -10℃～60℃；below 70%rh
 Insulation Rod Dimension  Ф32mm, 1m/pcs×5pcs
 Insulation Rod Withstand Voltage  110kv
 Insulation Streigth  Host and Detector：AC1000V/rms(between the shell and screws)


Model Description Primary HV Current Clamp Primary Flexible Current Clap Secondary LV Current Clap
ETCR9500B  Wireless HV Transformation Ratio Tester Have None Have
ETCR9550B

Wireless H/LVoltage Transformation Ratio Tester 

Have Have Have

 Host

 1 PCS

 Primary HV Current Clamp

 1 PCS

 Primary Flexible Current Clamp

 1PCS

 Secondary LV current clamp

 1 PCS

 Insulation rod（1M）

 5 PCS

 USB Communication cable

 1 PCS

 Tool Bag

 1 PCS

 Manual

 1 PCS

 Certificate

 1 PCS

 Warranty Card

 1 PCS


ETCR9500、9500B Catalog
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