Uni-T UT505B Handheld Insulation Resistance Tester

Uni-T’s UT505 series h&held true RMS insulation resistance testers combines many features of a digital multimeter & insulation resistance tester all in one. Aside from the typical multimeter functions, these meters can also measure insulation resistance, PI, DAR, & automatically calculate resistance ratio to determine the insulation status. They are highly accurate & provide stable readings. It is a popular & well liked product by many electrical engineers.

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 h& operation through 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

Specifications Range UT505B
Insulation resistance (?) 50V 50V/100V/250V/500V/1000V 0%~20%
0.01M?~50M? ±(3%+3)
50M?~1G? ±(3%+3)
100V 1G?~10G? ±(10%+3)
0.01M?~100M? ±(3%+3)
100M?~1G? ±(3%+3)
250V 1G?~20G? ±(10%+3)
0.01M?~200M? ±(1.5%+5)
200M?~1G? ±(1.5%+5)
500V 1G?~50G? ±(10%+3)
0.01M?~500M? ±(1.5%+5)
500M?~1G? ±(1.5%+5)
1000V 1G?~100G? ±(10%+3)
0.1M?~2000M? ±(1.5%+5)
2G?~9.9G? ±(5%+3)
10G?~20G? ±(7%+3)
20G?~200G? ±(20%+3)
Load current 50V (R=50k?) 1mA 0%~10%
100V (R=100k?) 1mA 0%~10%
250V (R=250k?) 1mA 0%~10%
500V (R=500k?) 1mA 0%~10%
1000V (R=1M?) 1mA 0%~10%
Short circuit current 200mA/20mA optional) ±(1.5%+3)
General resistance (?) 0.01k?~10M? ±(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~500?F ±(5%+5)

See additional documentation for additional specifications.