SenTec

SEM333 Air Quality Transmitter

SEM333 nine-parameter air quality transmitter is an instrument developed by SenTec to monitor nine outdoor parameters: PM2.5, PM10, ambient temperature, relative humidity, air pressure, illuminance, noise, CO2, and dew point temperature, in response to the current trends in smart city and smart environmental monitoring. The product boasts an elegant appearance and high integration.

SEM333 nine-parameter air quality transmitter is an instrument developed by SenTec to monitor nine outdoor parameters: PM2.5, PM10, ambient temperature, relative humidity, air pressure, illuminance, noise, CO2, and dew point temperature, in response to the current trends in smart city and smart environmental monitoring. The product boasts an elegant appearance and high integration.

The SEM333 air quality transmitter (outdoor type) is suitable for use in urban grid-based environmental monitoring and control, smart streetlights, scenic area environmental monitoring, factories or mines, construction sites (construction site dust monitoring), urban roads, highways, public places and other places involving air quality monitoring.

Parameters

PARAMETERS

RANGE

RESOLUTION

ACCURACY

PM2.5

0-1000ug/m³

1ug/m³

±(10±10%) (<500ug/m³)

PM10

0-1000ug/m³

1ug/m³

±(10±10%) (<500ug/m³)

Temperature

-40-85℃

0.1℃

±0.3℃ (@25℃, typical)

Humidity

0-100%RH

0.1%RH

±3%RH (10-80%RH) without condensation

Air Pressure

300-1100hpa

0.1hpa

≦±0.3hPa (@25℃, 950hPa-1050hPa)) Reading 3% or 1% F.S

Light Intensity

0-200KLUX

10LUX

±1.5dB

Noise

30-130dB

0.1dB

≤0.5℃ (0℃-30℃, 40%RH~100%RH)

Dew Point Temperature

0-40℃

0.1℃

>1℃ (<0℃, <40%RH)

CO2

0-5000PPM

1PPM

±70 PPM ± 3% of the reading

Power supply

DC12V~24V

Power consumption

<1W (12V)

Signal output

Default 485 output, MODBUS RTU protocol. Expandable functions: GPS positioning.

Operating environment

Temperature: -40~85℃; Humidity: 5~100%RH (non-condensing).

Installation method

Sleeve fixing, flange adapter optional.

Housing material

ASA material.

Protection rating

IP65

Documents

Take the next step

Get a Quote

Request a quote from us based on your specific requirements

To be a Distributor

If you want to distribute sentec brand in your local area, you can contact us for more.

Installation & Maintain

A group of  professional engineer is here to help your sensor installation & maintenance.