User guide

4 Fluke Corporation 1740 Series Three-Phase Power Quality Loggers Memobox
Specifications
General
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
Reference conditions 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 to 265 V ac
Ambient conditions
Working temperature range -10 °C to 55 °C (14 °F to 131 °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
Environmental protection Fluke 1745: IP50 as per EN60529
Fluke 1744/43: IP65 as per EN60529
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
EMC
Emission IEC/EN 61326-1, EN55022
Immunity IEC/EN 61326-1