CIRCUTOR T3V Series User Manual
Page 4
--------- EARTH RESISTANCE TESTER
T-3V
------- Page No. 3
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1.2.- Specifications
Measuring system
Ground earth resistance using constant
current inverter.
800 Hz, 2 mA approx.
Earth voltage
0-200 V AC., 40 – 500 Hz.
Floor resisitivity
Range and resolution:
0 ~ 20
Ω (0.01 Ω)
0 ~ 200
Ω (0.1 Ω)
0 ~ 2000
Ω (1 Ω)
Earth voltage accuracy
± (1% read. + 2 dig.)
Floor resistivity accuracy
± 0.1 Ω or (if higher);
± (2% read. + 2 dig.)
Safety standards
IEC – 1010 (EN61010).
Battery low indicator
The symbol “B” appears on the display.
Reading memory indicator
The symbol “DH” appears on the display.
Over-range indicator
“1” in the most significant digit (MSD).
Open circuit indicator
The operating indicator (2) remains off.
Timer (self-disconnection)
After about 3 ~ 6 minutes without operating
any check.
Indicator
3 ½ digit LCD (2000 accounts)
Power supply
6 x 1.5 V batteries (R6C).
Sizes
A. 163 x Al. 100 x Pr. 50 mm
Weight:
Approx. 800 g (including batteries)
Accessories
Test Pins (red – 15 m, yellow – 10 m, green –
5 m) auxiliary earth rods, carrying case,
instruction manual.