Promax PE-335 디지털 접지 저항계

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).

Accuracy:

- Earth resistance: ± (2% rdg. + 2 dgt.) or ± 0.1 Ω, which is greater.

- Earth voltage: ± (1% rdg. + 2 dgt.).

Response time: From 4 to 8 s

Presentation:

Display: LCD 3 ½ digits (2000 counts).

Power supply:

Batteries: 9 V DC (6 batteries x 1.5 V R6 type).

Operating environmental conditions:

Max. humidity: From 20% to 90%

Temperature range: From -10 ºC to 55 ºC

Mechanical features

Dimensions: W. 90 x H. 205 x D. 55 (mm).

 Weight: Approx. 600 g (batteries included).

Included accessories: 

- PP012 Test cables set.

- 2 auxiliary earth spikes

- User’s manual.

- Transport suitcase.