Thiết bị đo điện trở đất Multi MET2, đo bằng phương pháp kẹp

• Measuring function : Earth Resistance, AC Current (Load & Leakage)
• A/D conversion : Dual slope integration mode
• Safety standard : IEC 61010-1,IEC61010-2-032 Installation category II 600V or CATⅢ 300V
• Sampling : Approx. 2 times/second for AC current
• Measuring time : Approx. 30 second for earth resistance
• Display : LCD16 letters/characters x 2 line with contrast adjuster
• Over range indication : “OVER” on LCD
• Low battery indication : “B” mark on LCD
• Data hold indication : “DH” mark on LCD
• Memory function : 200 measuring data can be stored and displayed
• Measuring CT :φ34mm with 2.5m lead
• Injection CT :φ34mm with 2.5m lead Injection signal : Approx. 160mV p-p, Auto sweep 4kHz～200kHz
• Operating temperature : 0°C～40°C, <85%RH without condensation
• Storage temperature : -10°C～60°C, <80%RH without condensation
• Limitation of circuit : Less than 500V voltage
• Withstanding voltage : AC 3700V 1 minute (between CT core and CT handle)
• Insulation resistance : More than 100MΩ (between CT core and CT handle)
• Power supply : Ni-Cad battery (1.2V x 5),
• Battery Charger : AC200V-240V(50/60Hz)
• Auto power off function : Approx. 5 minutes after power on
• Power consumption : Approx. 400mA (Earth resistance measurement)
• Battery life : Approx.400 times measurements under full charged condition

Phụ kiện kèm theo thiết bị Multi MET-2 bao gồm:

• Measuring CT
• Injection CT
• Battery charger
• Carrying case
• Subsidiary lead wire
• Instruction manual