Operation Manual
TeraOhm 5kV
36
Capacitance
Measuring range C: 50 μF*
Display range C Resolution Accuracy
0 ÷ 99.9 nF
0.1 nF
100 ÷ 999 nF
1 nF
1 ÷ 50 μF
10 nF
±(5 % of reading + 2 digits)
*Full-scale value of capacitance is defined according to the following equation:
C
FS
= 10μF * U
test
[kV]
Dielectric absorption ratio DAR
Display range DAR Resolution Accuracy
0 ÷ 99.9
0.01
±(5% of reading + 2digits)
Polarization index PI
Display range PI Resolution Accuracy
0 ÷ 99.9
0.01
±(5 % of reading + 2 digits)
Dielectric discharge test DD
Display range DD Resolution Accuracy
0 ÷ 99.9
0.01
±(5 % of reading + 2 digits)
Capacitance range for DD test: 5 nF to 50 μF.
8.2. General specifications
Battery power supply ..................................... 7.2 V – 9 V DC (6 × 1.2V NiCd or NiMH
IEC LR14)
Mains power supply....................................... 230V AC (+6/-10 %) 45 Hz – 65 Hz, 25 VA
Optional on request ....................................... 115V AC (+6/-10 %) 45 Hz – 65 Hz, 25 VA
Protection classification ................................. double insulation
Over-voltage category ................................... CAT III 600 V
Pollution degree............................................. 2
Degree of protection ...................................... IP 44
Dimensions (w × h × d).................................. 26.5 × 11 × 18.5 cm
Weight (without accessories, with batteries).. 2.1 kg
Visual and sound warnings............................ yes
Display........................................................... LCD dot matrix with backlight - (160 x
116)
Memory.......................................................... Non-volatile internal memory 1000
measurements with time and date.
Working temperature range ........................... -10
÷ 50 °C
Nominal (reference) temperature range......... 10
÷ 30 °C
Storage temperature range............................ -20
÷ +70 °C.
Maximum humidity ........................................ 95 % RH (0
÷ 40 °C) non-condensing
Nominal (reference) humidity range............... 40
÷ 60 % RH
AUTOCALIBRATION
Auto-calibration of measuring system............ every time after turning power on