1760
Users Manual
5-4
Channel LEDs 3-color LEDs per channel for:
• overload condition
• OK and signal level too low condition
signal level in nominal range
Data memory 2 GB Flash memory
Memory model Selectable : Linear or circular
Recording mode Continuous, gapless recording
Measurement system
4 voltages + 4 currents for 3 phases + N conductor or 8
voltages
Interfaces
Ethernet (100 MB/s), compatible to Windows® 2000/XP
SP3/Vista, RS 232 and USB 2.0
Baud rate for RS 232 9600 Baud … 115 kBaud
Dimensions (H x W x D) 325 mm x 300 m x 65 mm (13 x 12 x 2.6 inch)
Weight (without accessories) approximately 4.9 kg (10.8 lbs)
Warranty 2 years
Calibration interval 1 year recommended for Class-A, otherwise 2 years
Signal conditioning Specification
Range for 50 Hz systems 50 Hz ± 15 % (42.5 Hz to 57.5 Hz)
Range for 60 Hz systems 60 Hz ± 15 % (51 Hz to 69 Hz)
Frequency Resolution 16 ppm
Sampling frequency for 50 Hz and 60 Hz
nominal power frequency
10.24 kHz, The sampling rate is synchronized to mains
frequency.
Uncertainty for frequency measurements < 20 ppm
Uncertainty of internal clock < 1s / day
Measurement intervals
Min-Max-values
Transients
Aggregation of the interval values as per IEC 61000-4-30
Class-A
Half cycle
Sample rate 100 kHz to10 MHz per channel
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