Accuracies; Turns Ratio Measurement - Raytech mini-ATOS Instruction Manual

14.2 Accuracies

All accuracies values are measured at an ambient temperature of 23±5°C after a warm-up of
30min.

14.2.1 Turns Ratio Measurement

Parameter
Turns Ratio
250VAC @ 55Hz
Turns Ratio
100VAC @ 55Hz
Turns Ratio
40VAC @ 55Hz
Turns Ratio
10VAC @ 55Hz
Parameter
AC Test Current
@ 55Hz
Phase Angle
@ 55Hz
Output Voltage
90297-0.24 Instruction Manual mini-ATOS
Table 11: Turns ratio accuracy
Range
0.8 ... 200
200 ... 5000
5000 ... 50000
0.8 ... 200
200 ... 2000
2000 ... 20000
0.8 ... 200
200 ... 2000
2000 ... 20000
0.8 ... 200
200 ... 5000
Table 12: Other AC parameters accuracy
Range
0 ... 1 A
±90°
0 – 250VAC
Preliminary
Accuracy
±0.04% Rdg ± 1 LSD
±0.10% Rdg ± 1 LSD
±0.40% Rdg ± 1 LSD
±0.04% Rdg ± 1 LSD
±0.10% Rdg ± 1 LSD
±0.40% Rdg ± 1 LSD
±0.04% Rdg ± 1 LSD
±0.06% Rdg ± 1 LSD
±0.40% Rdg ± 1 LSD
±0.06% Rdg ± 1 LSD
±0.10% Rdg ± 1 LSD
Accuracy
±1.00% Rdg ± 0.01 A
±0.05° Rdg ± 1 LSD
±1% ± 1 LSD
Resolution
5 Digits
5 Digits
5 Digits
5 Digits
5 Digits
5 Digits
5 Digits
5 Digits
5 Digits
5 Digits
5 Digits
Resolution
4 Digits
4 Digits or 0.01°
4 Digits or 0.1VAC
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