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9.- TECHNICAL SPECIFICATIONS
Power supply:
Supply voltage: Independent from the measuring circuit 100-240 V (QNA-P models)
100-400 V
±30%
(QNA-PV models)
Frequency: 50...60 Hz.
Consumption: 16 VA – 8 W
Working temperature: 0ºC to 50ºC
Storage temperature: -20ºto 70ºC
Auxiliary power supply:
Battery: Ni-M-H
Autonomy: 9999 seconds continuous operation
(It is recommended that programming by software does not last for more than 1 hour
to increase the life-time of the battery)
Voltage measurement:
Measuring system: 4 wire or 3 wire arrangement (choice by external connection)
Measuring range: 0 to 500 V AC. (phase-to-common).
4-wire network: 0 to 550 V AC. (line-to-neutral).
0 to 952 V AC. (line-to-line).
3-wire network: 0 to 550 V AC. (line-to-line).
Scale switch: Automatic.
Other voltages: Via voltage transformers.
Frequency :
42.5 – 69 Hz
Current measurement:
Measurement range : ... / 2V (according to current clamp).
Maximum current: 1.2 In
Scale switch : 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 % (according to EN 62053-22)
Unbalance: ± 0.15% (Class A according to IEC 1000-4-30)
Flicker: <5% according to IEC 61000-4-15
Harmonics: Class I according to IEC 61000-4-7
Measurement conditions to ensure accuracy class:
- Errors due to external voltage transformers not being included
- Temperature range : 5 ºC to 45 ºC
- Measurement range : between 5 % and 100 %
Internal memory:
Memory size: 4Mb
Summary of Contents for Q20711
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