1. How to determine the model number of the instrument?

Answer: The SKG meter surface film is marked with the instrument type on the lower right side, while the CD (908) series instrument case side label has the meter installed module form, which can determine the instrument host model and the installed module according to the dot mark (but the instrument) If the manufacturer does not ship the product directly, some modules may be installed by the agent or the supporting manufacturer, and there is no mark); in addition, the digital part of the instrument main model and the internal software version number can be displayed when the instrument is powered on; the instrument case can be opened to view the instrument installed. Module; according to the machine number, the instrument model can also be found to the company's Ministry of Commerce.

2. The instrument flashes “OrAL”, or displays “HHH” “LLL”. The meter display is not accurate.

Answer: The symbol “OrAL” “HHH” “LLL” indicates that the input signal exceeds the meter range. Check whether the input sensor is damaged; whether the input wiring is correct; whether the meter input type (SN parameter) setting matches the sensor; whether the meter input range setting is Consistent with the sensor range; whether the translation correction parameter SC (or Pb) setting is correct.