Logger, Power supply – Atec Fluke-1740 Series User Manual
Page 6
6 Fluke Corporation 1740 Series Three-Phase Power Quality Loggers Memobox
Logger
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
Ride through
Fluke 1745: Internal battery for typ. > 5 hours ride through with intelligent power
management
Fluke 1743/44: 3 sec Capacitor
Fuse
Power supply fuse can be replaced in service facility only. Supply can be connected in
parallel to measuring inputs (up to 660 V)
Display, indicators
LEDs for status and voltage levels
Fluke 1745: LC-display with backlight for voltage, current, active power, phase sequence.
Memory
Capacity 8 MB Flash-EPROM
Intervals
A function > 1,000 intervals for > 85 days with 10 min intervals
P function > 30,000 intervals for > 1 days with 10 min intervals
Events
> 13,000
Memory model
Linear or circular
Interface
USB and RS 3, 9600 to 115,000 Baud, automatic Baud rate selection, 3-wire
communication
Dimensions
Fluke 1745: 8 mm x 16 mm x 74 mm (115 in x 88 in x 33 in)
Fluke 1743/44: 170 mm x 15 mm x 55 mm (69 in x 51 in x in)
Weight
Fluke 1745: approx. 3 kg (6.5lb)
Fluke 1743/44: approx. kg (435 lb)
Measurement
A/D converter
16 bit, sample rate: 10.4 kHz
Anti-aliasing filter
FIR-Filter, f
C
= 4.9 kHz
Frequency response
Uncertainty < 1 % of Vm for 40 Hz to 500 Hz
Interval length
1, 3, 5, 10, 30 s, 1, 5, 10, 15, 60 minutes
Averaging time for Min/max values
½, 1 mains period, 00 ms, 1 , 3 , 5 s
Time base
Resolution: 10 ms (at 50 Hz), deviation: s/day at 3 °C ± °C (74 °F ± °F)