18
Technical data
(modified 2004-03)
Frequency function
Rated frequency
30.00...65.00 Hz
Measuring range
20.00...75.00 Hz
Setting range
25.00...70.00 Hz
Number of cycles to be used for frequency measurement
3...20 cycles
Operation accuracy
±
10 mHz
Minimum voltage to be measured
0.25 x U
n
Rate of change of frequency function
Setting range
0.2...10.0 Hz/s
Operation accuracy
±
150 mHz/s
Timer function
Setting range *)
0.1...300.0 s
Operate time accuracy
±
1% or
±
30 ms
Undervoltage blocking
Measuring range
0...1.40 x U
n
Setting range
0,30...0.90 x U
n
Operation accuracy (in the range 25...70 Hz)
±
3% of setting value
Recovery function
Setting range (max. deviation from rated frequency)
0.1...10.0 Hz
Operate time
1 s...120 min 59 s
Operate time accuracy
±
1% or
±
30 ms
*) The minimum operate time depends on the rated frequency and the number of cycles to be
used in the frequency measurement. See frequency measurement in "Description of operation".
Summary of Contents for SPAF 140 C
Page 14: ......
