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สมัครงาน
ลิ้งก์ภาพ
2120ER : เครื่องวัดค่าความต้านทานดินแบบตอกหลัก3สาย
ข้อมูลสินค้า
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รหัสสินค้า
2120ER
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เข้าชม
4,286 ครั้ง
ยี่ห้อ
SEW
รุ่น
2120ER
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แก้ไขล่าสุดเมื่อ
21/04/2017 14:32
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รายละเอียดสินค้า
FEATURES :
▪ Capable of measuring earth voltage. ▪ 2mA measuring current permits the testing of earth resistance without tripping earth leakage current circuit breakers in the circuit under test. ▪ The leads are supplied as standard accessories for simplified two-wire measuring system. ▪ 0Ω adjustment. ▪ Data hold function. ▪ Battery operated. ▪ Battery life indicator. ▪ Designed to meet EN 61010-1 CAT III 200V. IEC 61557-1 IEC 61557-5 EN 61326-1 ▪ Calibration performed with supplied test leads. SPECIFICATIONS : Measuring Ranges Earth Resistance 0-20Ω, 0-200Ω, 0-2000Ω Earth Voltage 0-200V AC (40-500Hz) Accuracy Earth Resistance ±(2%rdg+2dgt) or ±0.1Ω, which is greater Earth Voltage ±(1%rdg+2dgt) Earth Resistance 0-20Ω : 0.01Ω Resolution 0-200Ω : 0.1Ω 0-2000Ω : 1Ω Measuring System Earth Resistance by constant current inverter 820Hz approx. 2mA. Display LCD 3-1/2 digit (2000 counts) Open Circuit Indication LED will be unit Over Range Indication "1" (MSD) Power Source 1.5V(AA) x 8 Dimensions 210(L) x 210(W) x 100(D)mm Weight Approx. 1395g(battery included) Accessories Test leads(AL-36 : red-15m, black-10m, yellow-10m, green-5m) Simplified measurement probe.(AL-33) Auxiliary earth bars Shoulder belt Instruction manual Batteries.