ONETEST 500XP Atmospheric Negative Ion Observation System

The ONETEST 500XP Atmospheric Negative Ion Automatic Observation System is a system equipment that measures the real-time concentration and changes of negative oxygen ions, temperature, and humidity in the ambient air. It adapts to the business needs of environmental meteorological observation and meets the high-precision and high stability requirements of observation data. It needs to have characteristics such as high reliability, high accuracy, easy maintenance, and easy backup.

System features

lAdopting advanced dual concentric cylinder technology (standardized by the Japan Functional Ion Association)

lCapable of 24/7, real-time (* fast)Automatic online monitoring of data every 5 seconds

lCan operate at ambient temperature-Stable operation in an environment with relative humidity ranging from 50 degrees to 70 degrees and 100% RH

lMeasure the concentration of small particle negative ions beneficial to human health in the ambient air

lAdopting windproof, wind and rain proof, insect proof, and lightning proof design

lAdopting a modular structure design, it is easy to expand, replace components, and maintain and repair

lCapable of expanding functional parameters and communication methods

lEquipped with device operation status monitoring and alarm functions (mobile phone, SMS alarm)

lEquipped with cloud service platform data management and download functions

Technical advantages

l·Real time display, no distance limit, strong security, advanced and reliable

Detection principle

（·Ro=inner diameter of outer cylinder · ri=radius of inner cylinder · L=length of cylinder

Φ=air flow rate inside the cylinder per unit time · V=external voltage of the outer cylinder)