UNI-T UT505B Handheld Digital Insulation Resistance Tester AC/DC Voltage Measure
Introduction:
UT505B is a kind of handheld insulation resistance tester, which has the parameters such as insulation resistance, AC/DC voltage and etc. it apply to maintain, test and check the transformers, electrical machines, cables, switch, electric appliances and the other electrical equipments as well as insulation resistance with insulation materials. UT505B is your ideal choice.
Features:
1、Show the actual value of insulation voltage 50V/100V/250V/500V/1000V;
2、Insulation resistance can be test to 200GΩ;
3、Measured absorptance / polarization index ,low –resistance test (100Ω);
4、Step voltage regulation , the function of remote detection test lead and comparison;
5、600V AC/DC voltage ,99 data loging;
6、Frequency(Hz) and Capacitance(F) test;
7、Safety level: CAT III 1000V CAT IV 600V;
8、Brand-new designed, portable and easy to control.
Specifications | Range | Best Accuracy | |
Model |
| UT505B | |
Insulation Resistance(Ω) | Test Voltage | 50V/100V/250V/500V/1000V | 0%~10% |
50V | 0.01MΩ~50.0MΩ | ±(3%+3) | |
50.0MΩ~1.0GΩ | ±(3%+3) | ||
1.0GΩ~10GΩ | ±(10%+3) | ||
100V | 0.01MΩ~100.0MΩ | ±(3%+3) | |
100.0MΩ~1.0GΩ | ±(3%+3) | ||
1.0GΩ~20GΩ | ±(10%+3) | ||
250V | 0.01MΩ~200.0MΩ | ±(1.5%+5) | |
200.0MΩ~1.0GΩ | ±(1.5%+5) | ||
1.0GΩ~50GΩ | ±(10%+3) | ||
500V | 0.01MΩ~500MΩ | ±(1.5%+5) | |
500MΩ~1.0GΩ | ±(1.5%+5) | ||
1.0GΩ~100GΩ | ±(10%+3) | ||
1000V | 0.1MΩ~2000MΩ | ±(1.5%+5) | |
2.0GΩ~9.9GΩ | ±(5%+3) | ||
10.0GΩ~20GΩ | ±(7%+3) | ||
20GΩ~200GΩ | ±(20%+3) | ||
Load Current | 50V(R=50KΩ) 1mA | 0%~10% | |
100V(R=100KΩ) 1mA | 0%~10% | ||
250V(R=250KΩ) 1mA | 0%~10% | ||
500V(R=500KΩ) 1mA | 0%~10% | ||
1000V(R=1MΩ) 1mA | 0%~10% | ||
Short Circuit Current | <> | ||
Leakage Current(A) | 10 ~ 2000 μA | ±(10%+3) | |
Low Resistance (Ω) | 0.01Ω~100Ω(about5.0V/>200mA/20mA Optional) | ±(1.5%+3) | |
General Resistance (Ω) | 0.01kΩ~1000KΩ | ±(3%+2) | |
DC Voltage (V) | 0.0V~600.0V | ±(2%+2) | |
AC Voltage (V) | 0.0V~600.0V | ±(2%+3) | |
Frequency(Hz) | 45Hz ~450 Hz | ±(0.1%+3) | |
Capacitance(F) | 100 pF ~10 μF | ±(5%+5) | |

Company Information
HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is ISO and CE certificated manufacturer ,we are suppliers of State Grid.
We are specialized in transformer oil test set, transformer test set,hipot tester, relay protection tester,underground cable fault locator, and so on. which are advanced in China. In addition, we also offer transformers with specifications and uses according to clients' requirements.
Our company has carried out a completed management system of production, scientific research and sales service. Our products are widely used in various electric power stations, electric power plants, factories and electric power systems.
Warmly welcome worldwide customers to cooperate with us. You will be deserved with the high qualified products, favorable price, on-time delivery and our best service.













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