Circutor QNA 412, Инструкция по эксплуатации

Страница: 27 / 36

Page no.
26
9.-
TECHNICAL FEATURES.
Power supply:
Supply voltage: Independent from Measurement 63 – 520 V AC.
Frequency:
50...60 Hz.
Consumption: 16 W
Operating temperature: 0...50 ºC
Auxiliary power supply:
Battery: Ni-M-H
Independent operating life: 4 h continuous working
(For soft
this cannot exceed a time of 1 hour to extend battery life)
Voltage measurement:
Measurement Circuit: 3 or 4 wire configuration (Using external connection)
Measurement range: 0 to 500 V AC. (between phase and common).
Connection for 4 wire systems: 0 to 550 V AC. (phase-neutral).
0 to 952 V AC. (between phases).
Connection for 3 wire systems: 0 to 550 V AC. (between phases).
Changing the scale : Automatic.
Other voltages : Via measurement transformers.
Frequency :
42.5 - 57.5 for 50Hz
/
51 - 69 for 60Hz.
Current measurement:
Measurement range : ... /5A (according to transformers used).
Maximum current : 1.2 In.
Changing the scale : Automatic.
Accuracy:
Voltage:
0.1 % of nominal. (Class A according to IEC 61000-4-30)
Current:
0.1 % of nominal. (Class A according to IEC 61000-4-30)
Power:
0.2 % of nominal
Unbalance: ± 0.15% (Class A as per IEC 1000-4-30)
Flicker: <5% as per IEC 61000-4-15
(Class A according to IEC 61000-4-30)
Harmonics: Class I as per IEC 61000-4-7
(Class A according to IEC 61000-4-30)
Accuracy given with the following measuring conditions:
- Exclusion on errors made by voltage transformers.
- Temperature range
: 5 to 45 ºC.
- Measurement margin : between 5 % and 100 %.
Memory:
Memory size: 4 Mbytes.
Memory Configuration: Rotating.
Default Maximum STD
(Value Calculated – Not configurable)
Time of recording STD file (*)
34 days 5 hours 92 days 2 hours
EVE file 1365 682**
Number of recordings
EVQ file
2554 2042**
Size of H24 file (in Kb) 264 (33 days) 8 (1 day)**
(*) The STD file has been calculated with a recording period of 10 minutes and the
variables as a default for the STD file.
(**) Minimum configurable values.
Processor:
Sampling frequency : 5120 k samples/second for each channel (6 channels).
Converter : 16 bits (Sigma delta).