Fluke 1740 Series Three-Phase Power Quality Loggers

- Input voltage
+ Input range VI P-N: max 480 V AC
+ Input range VI P-P: max 830 V AC
+ Max. overload voltage: 1.2 VI
+ Connections: P-P or P-N, 1- or 3-phase
+ Nominal voltage VN: <= 999 kV with PTs and ratio
+ Input resistance: App. 820 kΩ per chan. Lx-N Single phase (L1 or A, L2 or B, L3 or C connected): app. 300 kΩ
+ Intrinsic uncenrtainty: 0.1 % of VI
+ Voltage transformer: Ratio: <999 kv="" vi="" br=""> - Current input with Flexi Set
+ 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
+ Intrinsic uncertainty: < 2 % of II
+ 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
- Current input for clamp
+ 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 kΩ
+ Current transformer: Ratio Ω 999 kA / II
- Power supply
+ Functional Range: 88 V to 660 V absolute, 50 Hz / 60 Hz
100 V to 350 V dc Internal fuse: 630 mA T
+ Power consumption: 5 Watts

Datasheet