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臺灣標準電機SEW儀器儀表--4105 ER Earth Resistance Testers 3 Wire Analog

4105 ER Earth Resistance Testers
3 Wire (Analog)

FEATURES

Capable of measuring earth voltage.
2mA measuring current permits earth resistance tests with tripping earth leakage current breakers in the circuit under test.
Test leads are supplied as standard accessories for simplified two-wire measuring system.
Battery life indicator.
Battery operated.
Lamp for the scale's panel. (atuo shut-off in 10 seconds)
CAT III 300V.

SPECIFICATIONS

Measuring Ranges	Earth Resistance : 0-12 Ohm/0-120 Ohm/0-1200 Ohm
	Earth Voltage : 0-30V AC (40-500Hz)
Accuracy	Earth Resistance : +/- (2.5% + 1mm)
	Earth Voltage : +/- (2.5% + 1mm)
Measuring System	Earth resistance by constant current inverter 820 Hz approx. 2mA
Open Circuit Indication	LED unit
Power Source	1.5 V SUM-3 (AA) x 8 batteries or equivalent
Dimensions	250(L) x 190(W) x 110(D) mm
Weight	Approx. 1500g (battery included)
Accessories	Test leads (AL-36 : red-15m, yellow-10m, green-5m)
	Simplified measurement probe
	Auxiliary earth spikes
	Shoulder belt
	Instruction manual
	batteries

特點

● 吊線式高品質(zhì)防震表頭。
● 可量測接地電阻(Ω)和接地電壓(ACV)。
● 量測電流僅有2mA，不會影響漏電斷路器的跳脫。
● 可作三線式量測或兩線式量測。
● 電池電量指示。
● 使用電池操作。
● 使用提供的測試線測試。
● :
CAT III 30V

規(guī) 格 (23°C±5°C ＜80%R.H.)