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臺灣標準電機SEW儀器儀表--1105 ER Earth Resistance Testers 3 Wire Analog

1105 ER Earth Resistance Testers
3 Wire (Analog)

FEATURES

Capable of measuring earth voltage.
2mA measuring current permits the testing of earth resistance without tripping eath leakage current breakers in the circuit under test.
In addition to faciliating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.
Battery operated.
Battery life indicator.

EN 61326-1 safety standard.
Calibration performed with supplied test leads.

SPECIFICATIONS

Measuring Ranges	Earth Resistance:
	0~12Ohm / 0~120Ohm / 0~1200Ohm
	Earth Resistivity:
	0-30V ac (40-500Hz)
Accuracy	Earth Resistance:
	+/-3% of full scale
	Earth Voltage:
	+/-2.5% of full scale
Measurment System	Earth resistance by constant current inverter(Sauare Signal) 820Hz approx. 2mA
Power Source	1.5V (AA) x 8 or equivalent
Dimensions	175(L) x 85(W) x 75(D)mm
Weight	Approx. 600g (battery included)
Accessories	Test leads (AL-36: red-15m, yellow-10m, green-5m)
	Simplified measurement probe. (AL-33)
	Auxiliary earth spikes
	Shoulder belt
	Instruction manual
	Batteries

特點

● 可量測接地電阻(0-1200Ω)和接地電壓(0-30VAC)。
● 量測電流僅有2mA，不易造成漏電斷路器的跳脫。
● 提供標準的三線式測試線和簡易測試線。
● 電池電量指示，可檢查電池電力是否足夠(GOOD)。

規(guī) 格 (23°C±5°C ＜80%R.H.)