SEW 2705ER 三线式指针接地电阻计 | EMIN.VN

SEW 2705ER 三线式指针接地电阻计

Name: SEW 2705ER 三 线式指针接地电阻计
Brand: SEW

有库存: 1 个

制造商SEW

Model2705ER

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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 820 Hz, 2mA approx

Open circuit

indication LED will be unlit

Dimensions 205(L) × 90(W) × 55(D)mm

Weight

(battery included) Approx. 514g

Power source 1.5V (AA) × 6

Safety standards EN 61010-1 CAT III 30V

EN 61326-1

Instruction manual Test leads (red-15m, yellow-10m, green-5m) Auxiliary earth spikes Simplified measurement probe,Carry case Batteries

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 820 Hz, 2mA approx
Open circuit indication	LED will be unlit
Dimensions	205(L) × 90(W) × 55(D)mm
Weight (battery included)	Approx. 514g
Power source	1.5V (AA) × 6
Safety standards	EN 61010-1 CAT III 30V EN 61326-1