Megger DET24C - Alarm Setting; Alarm Types and Ranges

15
Operational Error for Current
Parameter Specification Typical Max
Operating
Position
Instrument
Horizontal
0.26% 0.51%
Conductor
Position
IEC 61557-13 E
1
±30 °
0.65% 2.0%
Battery Voltage IEC 61557-13 E
2
4.4 V to 7.0 V
0.69% 5.7%
Temperature IEC 61557-13 E
3
0 °C to +35 °C
0.38% / °C 0.63% / °C
Distortion IEC 61557-13 E
9
0.92% 3.9%
Magnetic Field IEC 61557-13 E
11
10 A/m Class 3
30 A/m Class 2
100 A/m Class 1
1.1%
1.2%
2.5% >1.0 mA
5%
7%
25% > 1.0 mA
Load Current IEC 61557-13 E
12
0.2 mArms to
35 Arms (50 Hz and
60 Hz)
1.2% 6.0%
Frequency of
Current
IEC 61557-13 E
14
16
2
/
3
Hz to 400 Hz
2.8% 50 Hz to
400 Hz
1% / Hz < 50 Hz
-
Repeatability IEC 61557-13 E
15
0.72% 7%
Alarm Setting
Alarm Type Range
Ω HI 0.05 Ω to 1500 Ω
Ω LO 0.05 Ω to 1500 Ω
A HI 0.5 mA to 35 A
A LO 0.5 mA to 35 A
Notes
1. All values are AC rms.
2. True RMS readings up to a crest factor of 5.0 (peak current
40 A).
3. Accuracy guaranteed for 50 Hz and 60 Hz.
4. Measurement over the range 16 Hz to 400 Hz.
5
5
.
.
Maximum current is 100 A rms continuous and 200 A rms for
60s max at 50 Hz and 60 Hz only.
.