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EDC AA3500 portable digital dust detector from the United States
Product model: AA3500 Brand: EDC USA Price: negotiable Measurement range: 0.001~20.0 mg/m3 Detection sensitivity: 0.001 mg/m3 Power supply: 100~240VAC
Product details
Product Introduction

The AA3500 air dust detector is a portable and handheld detection tool that measures the concentration of inhalable harmful particles. The sensor design is unique and can be used for indoor air quality assessment HVAC、 In terms of environment and industrial hygiene. The data results can be displayed and stored immediately. The accompanying PC software can perform representative analysis of the total dust generation process through graphics and data statistics, eliminating the complex and expensive cost of weight filtering analysis.

The AA3500 air dust detector utilizes the principle of 90 degree right angle light scattering, and uses an internal air pump to suck aerosol particles into the optical chamber, and then measures the concentration of particles based on the amount of light scattering. The special design provides a layer of air encapsulation system protection for the lenses inside the optical chamber, so that when particles enter the optical chamber, the lenses can still remain clean for more accurate readings and less maintenance.

main features
1. Stable resolution, direct display of readings
2. Long life air sampling pump
3. Location code; User set alarm security code restriction not allowed to use
4. Foam plastic inserts of different sizes can be selected
5. Rechargeable battery, can use AC or DC power supply
6. Convenient battery exchange system
7. Large capacity data storage capacity, capable of storing data for 15 months
8. The screen has a program for setting operation sampling and data storage parameters
9. Optical sensors are easy to clean
10. Download and store data through RS232 interface. PC software for downloading and storing graphic data
11. Different built-in calibration factors can be selected to determine coarse and fine particulate matter
12. Through CE, ETL certification, etc
Technical Parameter
resolving power: 0.001 mg/m3.
Stable constant temperature (2 sigma):+0.004mg/m3/h
Constant temperature (2 sigma):+0.0025 mg/m3/oC
Scope of operation: 0.001 ~ 20.0 mg/m3. 0.01~200 mg/m3 (optional)
Surrounding resolution light scattering sensor
Backlit liquid crystal display (LCD)
The pump brush has a long service life and is easier to approach the internal row filtration
High capacity 4.5 A/h, gel rechargeable battery
Screen sampling program, data storage/averaging parameters
Time weighted average calculation, location code for * * * large/small values (date and time annotations)
Selection of intrinsic factors for coarse and fine particulate matter
Up to 99 bit positioning code tag data
Users can define alarm functions
The security code can prevent sampling interference or unauthorized power off
Calibration of inhalable particulate matter by inverse weight method
Data display ratio: 1 second (3-second time constant)
Data point capacity 21,6
application area
1. Detect various exposed dusts&suspended particles, such as: · lead · soil pollution · welding · silica · coal · wood/paper · soil/cement · cadmium · garbage · chromate · tobacco · construction dust · dry chemicals · petroleum spray · grinding dust · pharmaceuticals · spray paint · grain
2. Testing of air quality in ventilation systems
3. Analysis of Air Quality Monitoring and Related Health Factors in the Work Environment
4. Check indoor air quality, such as inhalable particulate matter in factories, offices, or homes.
5. Indoor air quality survey
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Successful operation!

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