background image

Range switching 

Fully automatic 

Sampling rate 

3 times per second 

Data storage 

Store 3000 groups of data. Press “

ۆ

” to hold data and perform 

automatic numbering and data storage (data loss does not 

occur if power is down or battery is replaced). 

Data hold 

Press “

ۆ

” to hold data (with the symbol “HOLD” displayed), then 

press HOLD to disable data hold. 

Data viewing 

Press “

ڼ

” to enter data viewing mode. 

Overload indication 

The symbol “OL” appears 

No-signal indication 

The tester indicates “No signal” if no transmission signal is 

received. 

Auto power off 

The product powers off automatically 15 minutes after it is 

powered on. 

Battery voltage 

If  the battery voltage is lower than 4.8V, the symbol “

” 

appears to indicate replacing battery. 

Transmission distance of 

primary clamp sensor 

100M (wireless transmission) 

Data transfer 

USB 

Connecting wire of 

secondary clamp sensor 

2M 

Display mode 

LCD:  128dots × 64dots (Designed with backlight function, 

suitable for use in dark environments) 

LCD size 

Display domain: 44mm × 27mm 

Tester dimensions 

78mm × 165mm ×42mm 

Product weight 

5kg (including carrying bag and insulation stick) 

External interference 

Avoid extra strong electromagnetic field; avoid co-channel 

interference of frequency at 433MHz and 315MHz. 

Operating temperature and 

humidity 

-15°C~50°C; 

70%Rh 

Storage temperature and 

humidity 

-10°C~60°C; 

70%Rh 

Size of insulation stick 

 32mm; 1m/piece (including 5 pieces) 

Withstand voltage of 

insulation stick 

110KV 

Dielectric strength 

Tester and clamp sensor: AC 1000V/rms (between casing and 

screw) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

3

Содержание UT225B

Страница 1: ...UT225B UT225B P N 110401111909X UT225B High Voltage Transformer Turns Ratio Tester...

Страница 2: ...s 4 1 Power On Off the Primary High Voltage Clamp Sensor 2 2 Power On Off the Tester 2 3 Testing of High Voltage Current and Overhead Current 2 4 Secondary Low Voltage Current Testing 2 5 Testing of T...

Страница 3: ...to the instruction It is recommended to perform dielectric test on the product once a year at least AC 60kV rms between both ends 5 pieces of connected insulation sticks II Introduction UT225B High Vo...

Страница 4: ...ty Basic conditions Work conditions Remark Ambient temperature 23 C 5 C 15 C 50 C Ambient humidity 40 60 70 Distortion rate of sinusoidal wave 1 3 Signal frequency 50Hz 5Hz 45Hz 65Hz External electric...

Страница 5: ...r than 4 8V the symbol appears to indicate replacing battery Transmission distance of primary clamp sensor 100M wireless transmission Data transfer USB Connecting wire of secondary clamp sensor 2M Dis...

Страница 6: ...with the indicator light lit up and it starts automatic testing The testing results current pulse and others of the high voltage end are sent to the tester via wireless transmission The indicator lig...

Страница 7: ...ise it may present a risk of electric shock which can cause personal injury or death The insulation stick must be connected when performing testing by clamping high voltage line otherwise it may prese...

Страница 8: ...or primary current If the tester displays OL for primary current it indicates the measured primary current is over the upper range specified by the high voltage clamp sensor To remove the high voltage...

Страница 9: ...e clamp sensor to test circuit over 600V or 5A otherwise it may present a risk of electric shock which can cause personal injury or product damage 1 Connect the low voltage clamp sensor with the teste...

Страница 10: ...150 5 150 150 100 0 3...

Страница 11: ...by the nameplate at the current transformer If the actual test error is over the set error the symbol OL appears on bottom right of the LCD On site wire connection 6 Data Hold Storage When is pressed...

Страница 12: ...or software can indicate maximum minimum and average values and have multiple functions including dynamic display real time monitoring alarming threshold setting alarming indication data viewing savin...

Страница 13: ...rying bag 1 pc AAA alkaline dry battery 8 pc User manual 1 pc The content of this user manual cannot be used as a reason for using the product for special purposes The company is not responsible for o...

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