Intrinsic error: Refers to the reference conditions and is guaranteed for two years Warranty: 2 years Recalibration interval: 2 years recommended Quality system: developed, designed, and manufactured according to DIN ISO 9001 : 23 ?C ? 2 K; 74 ?F ? 2 K , Vm=230 V ? 10%, 50 Hz ? 0.1 Hz or 60 Hz ? 0.1 Hz Phase sequence:: L1, L2, L3 Interval length:: 10 minutes Wye connection:: (L1, L2, L3 to N) Power supply:: 88 V ... 265 V AC Working temperature range:: -10 ?C to 55?C; 14 ?F to 131?F Operating temperature range:: 0 ?C to 35?C; 32 ?F to 95?F Storage temperature range:: -20 ?C to 60?C; -4 ?F to 140?F Reference temperature range:: 23 ?C ? 2 K; 74 ?F ? 2 K Relative humidity:: Fluke 1745: Class B2 acc. IEC 60654-1 Fluke 1744/43: Class C2 acc. IEC 60654-1 Housing: robust, fully insulated housing and accessories Fluke 1745:: IP50 as per EN 60529 Fluke 1744/1743:: IP65 as per EN 60529 Safety: IEC/EN 61010-1 600 V CAT III, 300 V CAT IV, pollution degree 2, double insulation Type test voltage: 5.2 kV rms, 50 Hz / 60 Hz, 5 s Emission:: IEC/EN 61326-1, EN55022 Immunity:: IEC/EN 61326-1 Input range VI P-N:: max 480 V AC Input range VI P-P:: max 830 V AC Max. overload voltage:: 1.2 VI Input range selection:: By job programming Connections:: P-P or P-N, 1- or 3-phase Nominal voltage VN:: = 999 kV with PTs and ratio Input resistance:: App. 820 kO per chan. Lx-N Single phase (L1 or A, L2 or B, L3 or C connected): app. 300 kO Intrinsic uncenrtainty:: 0.1 % of VI Voltage transformer:: Ratio: 999 kV / VI Ration selection:: By job programming Input ranges II L1 or A, L2 or B, L3 or C, N:: 15 A / 150 A / 1500 A / 3000 A ac Measuring range:: 0.75 A ? 3000 A ac Position influence:: Max. ? 2 % of measured value ? for distance conductor to meas. head 30 mm Stray field influence:: ? 2 A ac for Iext=500 A ac and distance to measuring head 200 mm Temperature coefficient:: 0.05 % / K Current transformer:: Ratio = 999 kA / II Ratio selection:: By job programming Connection:: 3-phase, 3-phase +N, 2 phase L1 or A and L3 or C (2 W-meter-method) 7 pole connector Input ranges II L1 or A, L2 or B, L3 or C, N:: 0.5 V nominal (for II) 1.4 Vpeak Intrinsic uncertainty:: 0.3 % of II Max. overload:: 10 V ac Input resistance:: App. 8.2 kO Current transformer:: Ratio O 999 kA / II Power systems: Delta, 2-Element Delta, Wye, Single Phase, Split Single Phase |