Promax PE-335, Руководство пользователя

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USER’S MANUAL. PE-335
07/2015 Page 1
En
g
lis
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DIGITAL EARTH RESISTANCE TESTER
PE-335
1. GENERAL
NOTE : This meter has been designed and tested according to IEC Publication 348.
Safety Requirements for Electronic Measuring Apparatus. IEC-1010
(EN61010) and other safety standards. Follow all warnings to ensure safe
operation.
1.1 Features
•
It carries out the earth resistance measurements by using the three-electrodes
method.
•
Capable of measuring earth voltage.
•
2 mA measuring current permits earth resistance tests without tripping earth
leakage current breakers in the circuit under test.
•
It allows the measurement by using the simplified two-electrodes method.
•
Data hold function.
•
Battery operated.
•
Large LCD display.
•
Timer for test function (count 3 ~ 5 minutes).
1.2 Specifications
Measurement system By means of a current injection of 820 Hz and 2 mA
approx.
Earth voltage 0 ~ 199.9 V AC, 50 / 60 Hz.
Maximum input voltage
200 V rms
Earth resistance
Range and resolution: 0 ~ 19.99
Ω
(0.01
Ω
)
0 ~ 199.9
Ω
(0.1
Ω
)
0 ~ 1999
Ω
(1
Ω
)