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UT225A/B Wireless High & Low Voltage Transformer Turns Ratio Testers

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The UT225A/UT225B High and Low Voltage Transformer Turns Ratio Tester is suitable for efficient on-site evaluation of current transformers in metering setups. Specifically crafted for testing primary and secondary current, turns ratio, and identification of phase type and polarity, these testers find extensive application in residential power systems (UT225A), substations, power plants, power inspection departments, industrial and mining enterprises, inspection stations, and electrical repair departments.

Features of UT225A/UT225B Wireless High & Low Voltage Transformer Turns Ratio Testers

Certificates: ROW

● Online measurement voltage:
UT225A: 380V/220V
UT225B: up to 35KV

● Primary high voltage current:
UT225A: AC 0.0A～3000A
UT225B: AC 0.0A~800A

● Secondary low voltage current: AC 0.00mA～5A
● Strong anti-interference, high test accuracy
● Wireless transmission
● Data storage function: 3000 set
● Safe and convenient insulation rod (UT225B)

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Description

The UT225A/UT225B High and Low Voltage Transformer Turns Ratio Tester is suitable for efficient on-site evaluation of current transformers in metering setups. Specifically crafted for testing primary and secondary current, turns ratio, and identification of phase type and polarity, these testers find extensive application in residential power systems (UT225A), substations, power plants, power inspection departments, industrial and mining enterprises, inspection stations, and electrical repair departments.

FEATURES:

Certificates: ROW

● Online measurement voltage:
UT225A: 380V/220V
UT225B: up to 35KV

● Primary high voltage current:
UT225A: AC 0.0A～3000A
UT225B: AC 0.0A~800A

● Secondary low voltage current: AC 0.00mA～5A
● Strong anti-interference, high test accuracy
● Wireless transmission
● Data storage function: 3000 set
● Safe and convenient insulation rod (UT225B)

 

Specifications of UT225A/UT225B Wireless High & Low Voltage Transformer Turns Ratio Testers:

Model UT225A UT225B
Primary current 0.0A～3000A (0.1A; ±1%FS) 0.0A～800A (0.1A; ±0.5%FS)
Secondary current 0.00mA～5A (0.01mA;  ±0.5%FS) 0.00mA～5A (0.01mA;  ±0.5%FS)
Online measurement voltage 380V/220V power system up to 35KV
Turn ratio measurement 1～500 1～500
Sampling rate 3 times/second 3 times/second
Wireless transmission distance 100m (Primary current clamp) 100m (Primary current clamp)
Secondary current clamp connection wire length 2M 2M
Data storage 3000 groups 3000 groups
Data retention YES YES
Data review YES YES
Data upload N/A USB communication
Overflow display YES (OL symbol display) YES (OL symbol display)
No signal indication YES YES
Auto power off YES (Around 15 minutes) YES (Around 15 minutes)
Power supply 1.5V AAA×4; Works time: 30 hours 1.5V AAA×4; Works time: 30 hours
Insulation rod withstand voltage 3700Vrms 110KV
General Characteristics
Dimension (main meter) 78mm×165mm×42mm; 78mm×165mm×42mm;
Primary high voltage
current clamp		 Jaw size: φ200mm;
Dimension: 200×370×40mm;		 Jaw size: φ48mm;
Dimension: 76×255×31mm;
Secondary low voltage
current clamp		 Jaw size: φ8mm;
Dimension: 137×40×19.5mm		 Jaw size: φ8mm;
Dimension: 137×40×19.5mm
Insulation rod size N/A φ32mm; 1m/pcs (5 pcs)
Instrument weight 800g (meter only) The whole package: 5kg
Accessories Tester,
Primary current transformer(CT1),
Secondary current transformer(CT2),
Tool bag,
Strap,
Battery(AAA 1.5V * 4pcs; 6F22 9V *1),
User manual		 Tester,
Primary current transformer(CT1),
Secondary current transformer(CT2),
Tool bag,
Insulation stick,
USB cable,
Battery(AAA 1.5V * 8pcs),
User manual

Additional information

Options

UT225A, UT225B