الوصف

ETCR***0C series of Pincer Earth Tester, in the measurement of a grounding system with loop current, does not require breaking down the grounding wire, and need no auxiliary electrode. It is safe, fast and simple in use Technical Specifications Power Source 6VDC (4 ׵# alkaline battery) Working Temperature **0 ? **5 ? C Relative Humidity *0%**0% LCD *-digital LCD, *7 נ*8.5mm in length Span of Jaw *8mm Net weight ***0g Demension(mm) **5* *5 * *6 Protection Level Double insulation Structural Feature In the jaw way Shift Automatic External Magnetic Field ＜ *0A/m External Electric Field ＜ 1V/m Measuring Time 1 second Resistance Measurement Frequency ＞ 1KHz Maximum Resistance Measurement resolution 0.**1 Ω Range of Resistence Measurement 0.******0 Ω Current Measurement Range 0.*0 **0.0A Current Measurement Frequency ****5Hz Storable Measurement Data *0 Units Setting Range of Resistance Alarm Critical Value ****9 Ω Setting Range of Current Alarm Critical Value ****9mA Accessories Carry Case(1), Strap(1), 5# Alkaline Battery Survey pattern survey scope resolution accuracy Resistance 0.**0~0.**9（Ω） 0.**1（Ω） ?(1％*0.*1Ω) 0.*0~0.*9（Ω） 0.*1（Ω） ?(1％*0.*1Ω) 1.0~*9.9（Ω） 0.1（Ω） ?(1.5％*0.1Ω) *0.0~*9.5（Ω） 0.5（Ω） ?(2％*0.5Ω) **0~**9（Ω） 1（Ω） ?(3％*1Ω) **0~**5（Ω） 5（Ω） ?(6％*5Ω) **0~**0（Ω） *0（Ω） ?(*0％**0Ω) **0~***0（Ω） *0（Ω） ?(*0％**0Ω) Electric current 0.*0~**9 mA 1 mA ?(5％*2 mA) **0~**9 mA 1 mA ?(5％*5 mA) 0.*0~2.*9 A *0 mA ?(5％*0.*3 mA) 3.*0~9.*9 A *0 mA ?(5％*0.4 mA) *0.*0~*0.*0 A *0 mA ?(5％*0.5 mA)