Working power supply: built-in 12V/2.5AH lithium battery

External 12.6V charging adapter.

● Average power consumption:< 1W, the battery can be used continuously for about 15 hours.

Resolution: 10 ions/cm3.

● Default three levels of ion concentration detection range, automatic mode:

10-30000 pieces/cm3

100~300000 pieces/cm3

1000~3000000 (pieces/cm3)

The measurement gear can be customized, with a maximum of 50 million/cm3.

● Large number display, direct data reading.

Sampling rate: 1 second per sample.

Error: ion concentration ≤± 10%

Migration rate: 1 (cm2/S * V).

Rated working environment, temperature:- 10～+50°C

Humidity: 0-100%

Main body dimensions (length * width * height): 180 * 120 * 40 (mm)

The KEC-999A-L negative ion measuring instrument adopts special airflow buffering technology, which ensures stable airflow and reliable ion capture. Its measurement stability ranks first among handheld ion detectors. The KEC-999A-L negative ion detector not only has exquisite craftsmanship, compact shell, simple and easy to use, but also has good consistency, high reliability, and strong applicability. It can facilitate the analysis and research of atmospheric ions, as well as measure the number of negative ions emitted by objects such as ores and negative ion powders.

Standard configuration:
1. Host: 1 (all metal casing with gold and steel logo)
2. Power adapter: 1 (dedicated)
3. Brush: 1
4. Golden Owl Manual: 1 copy
5. Notice: 1 copy

6. LED screen: 700 * 400mm (outer)