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Portable Explosion Proof Duct Detector , Explosion Proof Intrinsically Safe Tools

Minimum Order Quantity : 1 Set Packaging Details : Export standard
Supply Ability : 1000 Sets/Month
Place of Origin: China Brand Name: TOPSKY
Model Number: AT531

Detail Information

Name: Intrinsically Safe Laser Distance Meter/ AT531 Explosion-proof Dust Detector Large Range: 0.001 Mg / Cubic Meter -500 Mg / Cubic Meter (range Can Be Automatically Switched)
Battery-powered: Can Be Powered By Three AA Batteries External Power Supply: 12VDC (through The Optional PC18 Power Supply)
Recording Interval: 1 Second -60 Minutes Instrument Size: 172 * 72 * 33 Mm
Operating Temperature: 0-55 Degrees Celsius
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Product Description

Intrinsically Safe Laser Distance Meter/ AT531 Explosion-proof dust detector


AT531 explosion-proof dust detector is a portable instrument for rapid development of explosion-proof dust detection after explosion in Kunshan, with built-in sampling pump, with alarm, the data can be simultaneously transmitted to the host computer (RS485), display using graphic display .



AT531 is a rugged handheld digital recorder designed for real-time detection of dust, smoke and aerosols.

It has a large color display and graphical display, so that users can instantly view the dust concentration and trends. It is ideal for real-time measurements of the surrounding environment and indoor workplace environments.

This is a fast, easy-to-use instrument that provides users with more high-quality data that can not be obtained by weighing-method sampling. This versatile instrument can also be used with a range of accessories for static monitoring and particle size selection sampling.

In the market a variety of professional dust measuring instruments, 531 monitor range. Large memory ensures that up to 500 measurements can be stored.

typical application

Risk assessment of dust and suspended solids

Monitor the concentration of dust in the workplace

Industrial Process Monitoring

Test the gas filtration efficiency

Environmental dust assessment

Construction and construction industry


main feature

Real-time graphical display of dust concentration

The icon shows a concise user interface

Large range: 0.001 mg / cubic meter -500 mg / cubic meter (range can be automatically switched)

Unique detachable sampling probe design

Rugged design, suitable for harsh environments

Use the optional adapter to sample total dust, respirable particulate matter, PM2.5 or PM10 dust

Unique calibrated plug design for on-site calibration

Equipped with static air sampling box, can be used for border monitoring and static monitoring


Is ideal for the following industrial sectors:

Mining, construction industry, pharmaceutical industry, chemical industry, environmental health industry consulting industry, government departments.


Quick and easy dust measurement

531 has the advantage of instantaneous visibility of dust concentrations and trends, which can be used for on-site sampling and real-time measurements. 531 monitor interface is simple, very easy to use. The user can take measurements within a few seconds after starting the instrument.

On-site calibration of the instrument's accuracy can be done using the calibration plug. This is the characteristics of this product, other companies currently do not have this feature of the instrument. The screen is color-coded for ease of use, green at the start of measurement (shown below), red at stop. During the measurement, the real-time values ​​and average values ​​of the real-time dust are displayed, and then the data is stored in memory for later viewing.


Technical specifications


Range: 0.01-1000 mg / cubic meter automatically switch the range

Zero stability: less than 2 micrograms / cubic meter

Battery-powered: Can be powered by three AA batteries

External power supply: 12VDC (through the optional PC18 power supply)

Recording interval: 1 second -60 minutes

Instrument size: 172 * 72 * 33 mm

Operating temperature: 0-55 degrees Celsius

Battery life: about 13 hours

Weight: with battery less than 600 grams

Memory: 86000 data points (can store 500 measurements)

▲ Alarm output: the maximum load capacity of 15VDC 500mA, alarm point adjustable

Structure: host + movable probe

▲ Display: color screen, Chinese display menu


▲ sampling method: pump suction

▲ graphical display interface



Detection sensor*1

Portable case *1

User book *1

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