SEW 1805 ER 三线式指针接地电阻计

Name: SEW 1805 ER 三线式指针接地电阻计
Brand: SEW

制造商SEW(查看更多该品牌的产品)

Model1805 ER

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Measuring ranges Earth resistance

0-10Ω / 0-100Ω / 0-1000Ω

Earth voltage 0-30 Vac (40-500Hz)

Accuracy Earth resistance ±3% of full scale

Earth voltage ±2.5% of full scale

Measuring system Earth resistance by constant current

inverter 820Hz, 2mA approx.

Open circuit

indication LED will be unlit

Dimensions 170(L) × 165(W) × 92(D)mm

Weight

(battery included) Approx. 1000g

Power source 1.5V (AA) × 8

Safety standards EN 61010-1 CAT III 150V

EN 61326-1

Accessories

Instruction manual

Test leads (red-15m, yellow -10m,

green-5m)

Auxiliary earth spikes

Simplified measurement probe

FEATURES

● High quality Taut Band movement.
● 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.
● Test leads are supplied as standard accessories
    for simplified two-wire measuring system.
● Battery operated.
● Battery check function.
● Calibration performed with supplied test leads.

SPECIFICATIONS

Measuring ranges	Earth resistance 0-10Ω / 0-100Ω / 0-1000Ω Earth voltage 0-30 Vac (40-500Hz)
Accuracy	Earth resistance ±3% of full scale Earth voltage ±2.5% of full scale
Measuring system	Earth resistance by constant current inverter 820Hz, 2mA approx.
Open circuit indication	LED will be unlit
Dimensions	170(L) × 165(W) × 92(D)mm
Weight (battery included)	Approx. 1000g
Power source	1.5V (AA) × 8
Safety standards	EN 61010-1 CAT III 150V EN 61326-1

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