Amprobe ACD-14 PLUS Mode D'emploi page 13

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Safety : Meets EN61010-2-032, UL61010B-2-032, IEC61010-1 2nd Ed., EN61010-1 2nd
Ed., UL61010-1 2nd Ed. CAT III-600 Volts AC & DC; Pollution degree : 2
EMC: Conforms to EN61326-1.
This product complies with requirements of the following European Community
Directives: 89/ 336/ EEC (Electromagnetic Compatibility) and 73/ 23/ EEC (Low Voltage)
as amended by 93/ 68/ EEC (CE Marking). However, electrical noise or intense
electromagnetic fields in the vicinity of the equipment may disturb the measurement
circuit. Measuring instruments will also respond to unwanted signals that may be
present within the measurement circuit. Users should exercise care and take appropriate
precautions to avoid misleading results when making measurements in the presence of
electronic interference.
ELECTRICAL SPECIFICATIONS Accuracy at 23 °C ± 5 °C & < 75% R.H.
DC Voltage
Range Accuracy
400.0 mV ±( 0.3% rdg + 4 digits)
4.000, 40.00, 400.0 V ±( 0.5% rdg + 3 digits)
600 V ±( 1.0% rdg + 4 digits)
NMRR: >50 dB @ 50/60Hz
CMRR: >120 dB @ DC, 50/60 Hz, Rs=1 kΩ
Input Impedance: 10 MΩ, 30 pF nominal (1000 MΩ for 400.0 mV range)
Transient protection: 6.5 kV (1.2/50 μs surge)
AC Voltage (50Hz ~ 500Hz)
Range Accuracy
4.000, 40.00, 400.0 V ±( 1.5% rdg + 5 digits)
600 V ±( 2.0% rdg + 5 digits)
CMRR: >60dB @ DC to 60 Hz, Rs=1 kΩ
Maximum Crest Factor: < 1.75 : 1 at full scale & < 3.5 : 1 at half scale limited to
fundamental and harmonics, that fall within the meter
specified AC bandwidth for non-sinusoidal waveforms
Input Impedance: 10 MΩ, 30 pF nominal
Transient protection: 6.5 kV (1.2/50μs surge)
ACD-14 Plus: Average Sensing
ACD-14 TRMS Plus: True RMS sensing - 5% to100 % of range
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