APPA VTA, Руководство пользователя

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VTA
EN
1-3 Electrical Specifications
Accuracy is given as ± (% of r counts of least
significant digit) at 23°C ± 5°C, with relative humidity
Less than 80% R.H., and is specified for 1 year after
calibration.
•
Condition of Auto Power On :
With batteries fitted :
- > 3.0V or < -8.0V between L2 and L1
- Detect AC signal by Single Pole
- Continuity
Without batteries :
> | ±35.0V DC | or > 45.0V AC between L2 and L1
•
Auto Power Off :
The Meter automatically turns off if one of the
following conditions are met for about 10 seconds
- The Auto Power On condition is not met.
- Both buttons are not pressed.
The Meter automatically turns off if one of the
following conditions are met for about 30 seconds
- The resistance is OL when the Meter is in Resistor
mode.
- The current is < 1.0A when the Meter is in Ampere
mode
• For > 300V, Time rating (tr): 30 seconds;
Recovery time (rt): 240 seconds
• AC Function
- ACV and ACA specifications are ac coupled, true
RMS.
- For non-sinusoidal waveforms, Additional Accuracy
by Crest Factor (C.F.) :
Add 1.0% for C.F. 1.0 ~ 2.0
Add 2.5% for C.F. 2.0 ~ 2.5
Add 4.0% for C.F. 2.5 ~ 3.0
- Max. Crest Factor of Input Signal:
3.0 @ 5000 counts
1.5 @ 10000 counts
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