Amprobe ACDC-620T Clamp-On-Multimeter Manuel d'utilisateur Page 54
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
53
c
TRUERMSMEASUREMENT
The meter measures the TRUERMS value of AC voltages and currents. In physical
terms, the RMS (Root-Mean-Square) value of a waveform is the equivalent DC val-
ue that causes the same amount of heat to be dissipated in a resistor. TRUE RMS
measurement greatly simplifies the analysis of complex AC signals. Since the RMS
value is the DC equivalent of the original waveform, it provides a reliable basis for
comparing dissimilar waveforms.
By contrast, many meters use average-responding AC
converters rather than TRUE RMS converters. The scale
factor in these meters are adjusted so that they display the
RMS value for a harmonic-free sine wave. If a signal is not
sinusoidal, average-responding meters do not display
correct RMS readings.
For a free video on Amprobe's Harmonalyzer, HA-2000
harmonic/waveform analyzer, please contact Amprobe
directly.
- Miami, Florida 33150 1
- Tel: 800-327-5060 1
- USER MANUAL 2
- MODEL: ACDC-620T 2
- AUNIQUE AC / DC TRUE RMS 2
- CLAMP-ON MULTIMETER 2
- Service Division 3
- AMPROBE INSTRUMENT 3
- CONTENTS 4
- CONTENTS continued 5
- IIIIIIIIIl4 11
- Figure 2. LCD Display 12
- Ω - µF & COM 15
- Figure 6. Push bottons 16
- Ω and Temperature 17
- ))" 18
- Table 2. Power-ON Options 19
- SELECTING POWER-ON OPTIONS 19
- ∆ " 23
- ANALOGBATRGRAPH 24
- ❚ ❚ ❚ 26
- HOW TO OPERATE 30
- INCORRECT 31
- Ω - µF" terminal 36
- Figure 20. Measuring Voltage 37
- Ω - µF " terminal 38
- CARTRIDGE 39
- Ω " 40
- Contact where 43
- Display: 46
- REFRIGERATIN THEORY 57
- EVAPORATOR 58
- CONDENSER 58
- COMPRESSORS 58
- THERMOSTATICEXPANSION VALVE 58
- Condenser Sub-cool 61
- Pull up slightly 63
- Pull and move to right 64
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