SEW 2120 ER 三线数字式接地电阻测试仪

制造商:	SEW
Model:	2120 ER

报价要求

Price (exclude tax)	3,501,500 VND
Price (include tax)	3,851,650 VND

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技术规格
制造商消息

Measuring ranges: 0~40Ω / 0~400Ω / 0~4kΩ / ±(2%rdg+2dgt)
resolution
0-20Ω : 0.01Ω
0-200Ω : 0.1Ω
0-2000Ω : 1Ω
Measuring Earth voltage: 0-200 Vac / ±(1%rdg+2dgt)
Dimensions: 210(L) × 210(W) × 100(D)mm
Weight: 1395g
Power source: 1.5V (AA) × 8

Details

FEATURES

● Capable of measuring earth resistance and earth voltage.
● 2mA measuring current permits the testing of earth
   resistance without tripping earth leakage current
   breakers in the circuit under test.
● The leads are supplied as standard accessories for
   simplified two-wire measuring system.
● 0Ω adjustment.
● Battery operated.
● Data hold function.
● Low battery indication.
● Calibration performed with supplied test leads.

SPECIFICATIONS

Measuring ranges	Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz)
Accuracy	Earth resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt)
Earth resistance resolution	0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Measuring system	Earth Resistance by constant current inverter 820Hz approx. 2mA
Display	3½ digit (2000 counts)
0Ω adjustment	ˇ
Open circuit indication	LED will be unlit
Low battery indication	“ “symbol appears on the display
Data hold indication	“ “symbol appears on the display
Over range indication	“1”(MSD)
Dimensions	210(L) × 210(W) × 100(D)mm
Weight (battery included)	Approx. 1395g
Power source	1.5V (AA) × 8
Safety standards	IEC/EN 61010-1 CAT III 200V. IEC 61557-1 IEC 61557-5 EN 61326-1