Uni-T’s UT505 series handheld true RMS insulation resistance testers combine many features of a digital multimeter and insulation resistance tester all in one. Aside from the typical multimeter functions, these meters can also measure insulation resistance, PI, DAR, and automatically calculate the resistance ratio to determine the insulation status. They are highly accurate and provide stable readings. It is a popular and well-liked product by many electrical engineers.
The UT505 can be used in insulation resistance testing of precision tools, including motors, cables, transformers, switches, electrical appliances, and insulated materials.
Uni-T is one of the leading Test and Measurement solutions provider in the world and a prestige test meter brand throughout Asia. They are well known for high quality and affordable test and measurement products.
UT505B Handheld Insulation Resistance Tester Features:
- 6000 display count with analogue bar
- PI/DAR measurements for auto resistivity calculation
- Comparison function
- Lock/timing measurements, 6 sets of timing selectable
- 99-group data storage
- Auto discharge to improve safety
- Step voltage: 50%~120% for each range
- Data hold
- Auto power off
- Backlight
- Single hand operation through a remote-controlled probe
- Live wire testing
- High voltage output alarm
- Continuous conductivity measurement
- Leakage current display
- Auto fuse check/warning
- Meets IEC 61557; 61557-1:2007; 61557-2:2007; 61557-4:2007
- 12-month warranty.
UT505B Handheld Insulation Resistance Tester Includes:
Batteries, test leads, test probes, alligator clips, 1 x carrying bag, 1 x English manual and 12-month warranty.
UT505B Handheld Insulation Resistance Tester Specifications:
| Specifications | Range | UT505B | |
| Insulation resistance (Ω) | 50V | 50V/100V/250V/500V/1000V | 0%~20% |
| 0.01MΩ~50MΩ | ±(3%+3) | ||
| 50MΩ~1GΩ | ±(3%+3) | ||
| 100V | 1GΩ~10GΩ | ±(10%+3) | |
| 0.01MΩ~100MΩ | ±(3%+3) | ||
| 100MΩ~1GΩ | ±(3%+3) | ||
| 250V | 1GΩ~20GΩ | ±(10%+3) | |
| 0.01MΩ~200MΩ | ±(1.5%+5) | ||
| 200MΩ~1GΩ | ±(1.5%+5) | ||
| 500V | 1GΩ~50GΩ | ±(10%+3) | |
| 0.01MΩ~500MΩ | ±(1.5%+5) | ||
| 500MΩ~1GΩ | ±(1.5%+5) | ||
| 1000V | 1GΩ~100GΩ | ±(10%+3) | |
| 0.1MΩ~2000MΩ | ±(1.5%+5) | ||
| 2GΩ~9.9GΩ | ±(5%+3) | ||
| 10GΩ~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 | <2mA | ||
| Leakage current (A) | 10~2000μA | ±(10%+3) | |
| Low resistance (Ω) | 0.01Ω~100Ω (about 5V/>200mA/20mA optional) | ±(1.5%+3) | |
| General resistance (Ω) | 0.01kΩ~10MΩ | ±(3%+3) | |
| DC voltage (V) | 0V~600V | ±(2%+3) | |
| AC voltage (V) | 0V~600V | ±(1.5%+5) | |
| Frequency (Hz) | 45~1kHz | ±(0.1%+3) | |
| Capacitance (F) | 100pF~500μF | ±(5%+5) | |
| Features | |||
| Display count | 6000 | ||
| Auto range/True RMS | √ | ||
| Step voltage | 10% steps at 50%~120% of range | √ | |
| DAR | 60s/15s and 60s/30s | √ | |
| PI/Timing measurement | √ | ||
| Auto discharge | √ | ||
| Auto fuse check | √ | ||
| Analog bar graph | √ | ||
| Continuity buzzer | √ | ||
| Comparison measurement | √ | ||
| Low battery indication | √ | ||
| General | |||
| Power | 1.5V battery (AA) x 6 | ||
| Display | 78mm x 59mm | ||
| Product colour | Red and grey | ||
| Product net weight | 630g | ||
| Product size | 103mm x 225mm x 59mm | ||
| Standard accessories | Batteries, test leads, test probes, alligator clips | ||
| Standard individual packing | Carrying bag, box, English manual | ||
