UT513B 5kV Insulation Resistance Testers
UT513B 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.
Product Details
UT513B 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.
Features of UT513B/UT513C 5kV Insulation Resistance Testers
Certificates: CE, UKCA
● Output voltage: Up to 5kV
● PI & DAR measurement
● Automatic leakage current display
● Stepping voltage: 10% of the range
● Comparison function
● Timer measurement
● Data storage: 999 sets
● PC software analysis: via USB cable
● Automatic discharge
● High voltage output alarm function
● Rechargeable lithium battery 14.8V, 5200mAh
● Overvoltage category: CAT IV 600V
FAQ (English)
Q1: What test voltages does UNI‑T UT513B support?
A1: It has 5 selectable test voltages: 250V, 500V, 1000V, 2500V, 5000V. It supports 10% step voltage fine‑tuning for each gear.
Q2: What is the maximum insulation resistance measuring range?
A2: The measuring range is 0.25MΩ to 2.00TΩ.
Q3: Does UT513B support PI and DAR measurement?
A3: Yes. It can automatically calculate Polarization Index (PI) and Dielectric Absorption Ratio (DAR) to judge insulation dampness and contamination.
Q4: What safety protection functions does it have?
A4: It has automatic discharge function, high‑voltage alarm, over‑current protection. Safety rating: CAT IV 600V.
Q5: What about data storage and transmission?
A5: It can store up to 999 groups of test data. Data can be uploaded to PC via USB cable for report analysis with dedicated software.
Q6: What is the power supply specification?
A6: Built‑in rechargeable lithium battery, 14.8V, 5200mAh.
Q7: What application scenarios is UT513B suitable for?
A7: For transformers, high‑voltage motors, power cables, switchgears, photovoltaic equipment and other electrical insulation inspection in power stations, industrial maintenance and rail transit.
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 |
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 an external object) | Monitor the voltage of the measured object and the discharge state after testing. If the voltage is higher than 36V, it is forbidden to test to protect 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 |
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