This new design of mini air ion tester keep the peak value (maximum reading) of negative air ion on the dispay. So, it provide the reading more stable and more easy to read.
- LCD Display: Max reading of 1999.
- Overflow and display only "1".
- Display "-" means the ions are negative.
- Test range is between 1×10000 to 1999x10000 ions/cc
- Resolution:1×10000 ions/cc
- Tiny shape
- Very easy to hang as a necklace
- Display concentration of negative air ion
- Check Ion Generator
- Attention: don't touch the rear square metal of the tester when testing
- Power supply: 1.5V x 2 LR44 button size battery
- Dimensions:78mm(L) x 27mm(W) x 9mm(H)