| 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 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 |
| Memory |
Capacity 8 MB Flash-EPROM |
| Intervals |
A function > 12,000 intervals for > 85 days with 10 min intervals |
| P function > 30,000 intervals for > 212 days with 10 min intervals |
| Events |
> 13,000 |
| Memory model |
Linear or circular |
| Interface |
USB and RS 232, 9600 to 115,000 Baud, automatic Baud rate selection, 3-wire communication |
| Dimensions |
Fluke 1743/44: 170 mm x 125 mm x 55 mm (69 in x 51 in x 22 in) |
| Measurement |
| A/D converter |
16 bit, sample rate: 10.24 kHz |
| Anti-aliasing filter |
FIR-Filter, fc = 4.9 kHz |
| Frequency response |
Uncertainty < 1 % of Vm for 40 Hz to 2500 Hz |
| Interval length |
1, 3, 5, 10, 30 s, 1, 5, 10, 15, 60 minutes |
| Averaging time for Min/max values |
1/2, 1 mains period, 200 ms, 1 , 3 , 5s |
| Time base |
Resolution: 10 ms (at 50 Hz), deviation: 2 s/day at 23 °C ± 2 °C (74 °F ± 2 °F) |