PRECISION DIGITAL ProtEX-RTP PD6830, Инструкция по эксплуатации

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PD6830 Pulse Input Rate/Totalizer Instruction Manual
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Error Message (
Error
)
An error message indicates that the calibration or scaling process was not successful.
After the error message is displayed, the meter reverts to input 2 during calibration or
scaling, allowing the appropriate input signal to be applied or programmed.
The error message might be caused by any of the following conditions:
1. Input signal is not connected to the proper terminals or it is connected backwards.
2. Minimum input span requirements not maintained.
3. Input 1 signal inadvertently applied to calibrate input 2.
Minimum Input Span
The minimum allowed input span is 1 Hz, which is the minimum difference between input
1 and input 2 signals required to complete the calibration or scaling of the meter.