Amprobe DM-111S Current-Data-Logger - Manual (Page 50)

DMIIIS
EN - 48
13.1.6. Measurement of harmonics
Voltage
Range Accuracy Resolution
DC – 25h
26h – 33h
34h – 49h

(5.0%+2digit)

(10.0%+2digit)

(15.0%+2digit)
0.1V
The voltage harmonics will be null under the following threshold:
-
DC: if <1V or <2% of 1 st harmonic
- 1 st harmonic: if <2V
- 2 nd  49 th : if <1V or <2% 1 st harmonic
Current
Range Accuracy Resolution
DC – 25h
26h – 33h
34h – 49h

(5.0%+2digit)

(10.0%+2digit)

(15.0%+2digit)
0.1A
The current harmonics will be null under the following threshold:
-
DC: if <2% of 1 st harmonic or < 0,2% of clamp full scale
- 1 st harmonic: if < 0,2% of clamp full scale
- 2 nd 
49 th : if<2% 1 st harmonic or < 0,2% of clamp full scale
Setting the FLEX option the DC component will be ignored.
13.1.7. Frequency measurement
Instrument set to 50Hz
Range Resolution Accuracy
47

53 0,1Hz

(1.0%+1digit)
Instrument set to 60Hz
Range Resolution Accuracy
57

63,6 0,1Hz

(1.0%+1digit)
13.1.8. Compliance
DM-IIIS complies with the standards prescribed for:

class 2 EN61036 – static counters of active energy

class 3 IEC1268
– static counters of reactive energy
13.1.9. Temperature drift
Temperature drift: 0,1 x accuracy/K
13.1.10.
Safety
The instrument complies to the standards: EN 61010-1 + A2(1996)
Insulation: Class 2
Pollution: 2
Over-voltage category: CAT III 370V~ (Phase-Earth)
CAT III 635V~ (Phase-Phase)