Dụng cụ đo điện trở đất FLUKE 1623-2 KIT

Thông số kỹ thuật của Dụng cụ đo điện trở đất FLUKE 1623-2 KIT : Operating temperature -10 °C to 50 °C (14 °F to 122 °F) Storage temperature -30 °C to 60 °C (-22 °F to 140 °F) Temperature coefficient ± 0.1 % of reading/°C <18 °C >28 °C Intrinsic error Refers to the reference temperature range and is guaranteed for 1 year Operating error Refers to the operating temperature range and is guaranteed for 1 year Climatic class C1 (IEC 654-1), -5 °C to +45 °C (23° to +115° F), 5 % to 95 % RH Protective type IP56 for case, IP40 for battery door according to EN60529 Safety Protection by double and/or reinforced insulation. max. 50 V to earth. IEC61010-1: 300V CAT II, Pollution degree 2 EMC (emission immunity) IEC61326-1: Portable Quality system Developed, designed and manufactured according to DIN ISO 9001 External voltage V ext, max = 24 V (dc, ac < 400 Hz), measurement inhibited for higher values V ext rejection > 120 dB (162⁄3, 50, 60, 400 Hz) Measuring time Typical 6 seconds Max. overload 250 V rms (pertains to misuse) Auxiliary power 6 x 1.5 V Alkaline (type AA LR6) Battery life span Typical > 3,000 measurements Dimensions (WxHxD) 250 mm x 133 mm x 187 mm (9.75 in x 5.25 in x 7.35 in) Weight 1.1 kg (2.43 lb) including batteries 7.6 kg (16.8 lb) incl. accessories and batteries in carrying case