4.2 Connecting an external power supply
The following connection methods are possible for operation using an external power supply.
NE-21P
NC-98 series + CC-43J
Note
- Be sure to use the DC Polarity Converter CC-43J (optional) even when using the Battery Pack BP-21A (optional) to operate the device.
- When using a battery pack, use new alkaline batteries or fully charged Ni-MH batteries.
- The measured value may fluctuate momentarily due to sudden fluctuations in the power supply voltage.
USB power supply (from mobile battery, computer, etc.)
To power the device via USB, connect the USB Type-C cable to the USB port of the computer or USB charger.
Note
- For the external power supply, the dedicated AC adapter NE-21P is recommended. USB power supply may cause a drop in measurement performance depending on the quality of the commercially available computer power supply and USB charger.
- Power may not be supplied depending on the type of connected cable and battery used.