The air negative oxygen ion detector is a professional negative (oxygen) ion monitoring sensor used for continuous monitoring of air environment. The sensor adopts the prevailing international and domestic technical specifications, combined with our company's innovative technology, with high ion charge conversion efficiency and stable charge collection. While ensuring measurement accuracy, stability, and strong anti-interference ability, it achieves a small volume and low-cost design, suitable for continuous measurement in indoor air environment.

The air negative oxygen ion detector can be applied to outdoor environment negative oxygen ion monitoring, scenic area negative oxygen ion monitoring, waterfall reservoir negative oxygen ion monitoring, intelligent atmospheric environment and intelligent monitoring (control) system integration and other fields.

Advantages and characteristics of air negative oxygen ion detector:

1. Small size, light weight, easy and fast installation;

2. Low cost, widely applicable for integrated promotion;

3. Accurate measurement, adopting innovative design in the industry, achieving miniaturization while ensuring measurement accuracy;

4. Low power consumption, with a total power consumption of less than 2W;

5. Anti interference, the sensor adopts a full screen shielded housing, with strong environmental anti-interference ability;

6. Easy to integrate, using RS485 interface and standard MODUBS digital signal output to meet different customer needs.

Main parameters of air negative oxygen ion detector:

Parameter	Basic parameters
measuring method	Capacitive suction method
measuring range	Range: 0-5 × 105Per centimeter3
measurement error	Negative ions ≤ reading ± 20%; Ionic mobility ≤± 20%
measurement resolution	10 pieces/cm3
sampling frequency	5 minutes per session
mobility	0.4～1.0（cm2／V•sec）
Collector appearance	Parallel plate type
display	4-digit segment code LCD
key	1 mechanical button (button lifespan greater than 100000 times)
Working mode	Can set interval sampling or continuous sampling
communication interface	1 RS485 channel supports standard Modbus RTU protocol
analog output	None
Wiring Method	Four wire shielded wire (red: power supply; black: GND); Green: SA; Yellow: SB)
Communication protocol	Support standard MODBUS-RTU protocol
work environment	Temperature: 0-60 ℃, Humidity: 0-85% RH
Supply Voltage	DC12V+5%
Average Power	≤2.5W
Main body size	104mm * 53mm * 56mm (approximately the size of 2 regular cigarette packs)
Installation method	Wall mounted installation

(1) When determining the installation location of the equipment, the following principles should be followed:

Try to stay away from high-power electrical appliances and equipment with strong electromagnetic interference, such as ultrasonic humidifiers, induction cookers, etc.

● Keep as far away as possible from 220V/380V power lines and distribution cabinets.

● Keep as far away as possible from high-power wireless RF transmission/reception devices such as WIFI and RF.

(2) Fix the device in the installation position.

(3) Turn on the device power and wait for 5 to 10 minutes for the device to stabilize.