UT511 Insulation Resistance Tester can measure the insulation resistance of large transformers, generators, high-voltage motors, and more. UT510 series can also measure PI, DAR, and other important specifications. Measured data can then be analyzed through PC software. UT513A can produce test voltage up to 5kV.

Features of UT511

1. Large 9999 display with 30-segment analog bar graph
2. PI/DAR measurements
3. Comparison, upper and lower limit functions
4. Continuous measurement mode
5. Auto power off
6. 18-group data storage
7. Backlight
8. Auto current discharge and high-voltage output alarm
9. Time measurement mode, auto measure within 15 minutes
10. Low battery and over range indications




Insulation resistance (Ω) Test voltages 100V~1000V 0%~10%
100V 0.1MΩ~500MΩ ±(3%+5)
250V 0.5MΩ~2GΩ ±(3%+5)
500V 1MΩ~4GΩ ±(3%+5)
1000V 2MΩ~10GΩ ±(3%+5)
DC voltage (V) 1000V ±(2%+3)
AC voltage (V) 750V ±(2%+3)
Short-circuit current <2mA
Low resistance (Ω) 0.1Ω~999.9Ω ±(1%+3)

Secondary Features

Auto range/Auto power off
Low battery indication
Data storage 18
Comparison measurement
Polarization index (PI)
Dielectric absorption ratio (DAR)
Analog bar graph 30
LCD backlight
Over-range warning
High voltage indication
Timing measurement Around 30 minutes
General Characteristics
Power 1.5V battery (LR14) x 8
Display 123mm x 58mm
Product color Red and grey
Product net weight 1.2kg
Product size 202mm x 155mm x 94mm
Standard accessories 2pcs of one plug test lead to one alligator clip (black and green), 1pcs of two plugs test lead to one alligator clip (red), batteries
Standard individual packing Gift box, tool box, English manual
Standard quantity per carton 4pcs
Standard carton measurement 505mm x 345mm x 345mm
Standard carton gross weight 13.4kg
Optional accessories Power adaptor


Package Includes:

  •   1 x UT511 Insulation Resistance Tester
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