Uni-T Insulation Resistance Tester, CAT III 600V, 500V – 5000V

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UT513B/UT513C are digital high-voltage insulation resistance testers with high-voltage output ranges of 250V, 500V, 1000V, 2500V, and 5000V. They are commonly used and essential instruments for power, telecommunications, meteorology, computer rooms, oil fields, electromechanical installation and maintenance, and power supply departments of industrial and mining enterprises.

Models: UT513B, UT513C


Specifications of UT513B/UT513C 5kV Insulation Resistance Testers

Rated voltage UT513B UT513C
250V <0.25MΩ: reference only <0.25MΩ: reference only
0.25MΩ~2.49GΩ: ±5%+5) 0.25MΩ~4.99GΩ: ±(5%+5)
2.50GΩ~24.9GΩ: ±(10%+10) 5.00GΩ~49.9GΩ: ±(10%+10)
25.0GΩ~100GΩ: reference only 50.0GΩ~250GΩ: reference only
500V <0.50MΩ: reference only <0.50MΩ: reference only
0.50MΩ~4.99GΩ: ±(5%+5) 0.50MΩ~4.99GΩ: ±(5%+5)
5.00GΩ~49.9GΩ: ±(10%+10) 5.00GΩ~99.9GΩ: ±(10%+10)
50.0GΩ~200GΩ: reference only 100GΩ~500GΩ: reference only
1000V <1.00MΩ: reference only <1.00MΩ: reference only
1.00MΩ~9.99GΩ: ±(5%+5) 1.00MΩ~9.99GΩ: ±(5%+5)
10.0GΩ~99.9GΩ: ±(10%+10) 10.0GΩ~199GΩ: ±(10%+10)
100GΩ~400GΩ: reference only 200GΩ~1.00TΩ: reference only
 2500V <2.50MΩ: reference only <2.50MΩ: reference only
2.50MΩ~24.9GΩ: ±(5%+5) 2.50MΩ~24.9GΩ: ±(5%+5)
25.0GΩ~249GΩ: ±(15%+10) 25.0GΩ~499GΩ: ±(15%+10)
250GΩ~1.00TΩ: reference only 500GΩ~2.50TΩ: reference only
5000V <5.00MΩ: reference only <5.00MΩ: reference only
5.00MΩ~49.9GΩ: ±(5%+5) 5.00MΩ~49.9GΩ: ±(5%+5)
50.0GΩ~499GΩ: ±(15%+20) 50.0GΩ~999GΩ: ±(15%+20)
500GΩ~2.00TΩ: reference only 1.00TΩ~5.00TΩ: reference only
Capacitance test NA 0.01uF~15.0uF
Output voltage stepping voltage range Step by 10% of each range each time, and adjust the voltage range to 50%~120% of each range
UT513B + UT513C:
Display accuracy:±(10% read+10V)
Output accuracy:+(0%~20%)
250V 250V, 275V, 300V
500V 250V, 300V, 350V, 400V, 450V, 500V, 550V, 600V
1000V 500V, 600V, 700V, 800V, 900V, 1000V, 1100V, 1200V
2500V 1250V, 1500V, 1750V, 2000V, 2250V, 2500V, 2750V, 3000V
5000V 2500V, 3000V, 3500V, 4000V, 4500V, 5000V
DC voltage 30~1000VDC: ±(3%+5)
AC voltage 30~750VAC(50Hz/60Hz): ±(3%+5)
Current 0.01nA~3.5mA 0.01nA~5.0mA
Short-circuit current about 3.5mA about 5.0mA
Main features
PI test
DAR test
Timing measurement
Resistance Comparison
Voltage step
Voltage monitoring (of external object) Monitor the voltage of measured object and the discharge state after testing. If voltage is higher than 36V, it is forbidden to test for protecting the tester and the operator
Timer testing Record testing time automatically. Timing range: 0s~99m and 59s
Data storage 999 set 999 set
USB interface (data transmission)
Bluetooth APP N/A
Low Battery indication
Auto power off Around 15 minutes Around 15 minutes
Overvoltage category CAT Ⅳ 600V CAT Ⅳ 600V
Certificates CE & UKCA CE & UKCA
General Characteristics
Power supply 14.8V,5200mAh lithium battery
Product Color Black+Red
Product Weight About 1800g (including battery)
Product Dimension 238 x 166 x 90.5mm(L*W*D)
Package quantity 1pcs
Package Size 415×155×370mm(L*W*D)
Accessories User manual 1pcs; Test lead(red, black, green, 1 for each) 3pcs; USB cable 1pcs; Lithium battery charger 1pcs; Lithium battery pack 1pcs; Adapting charging stand(optional); Carrying strap 1pcs;

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