SenTec

SEM227 Meteorological Multi-element Shutter Box Sensor

SEM227 integrated louver box can be widely used in environmental testing, supporting monitoring of temperature and humidity, atmospheric pressure, light, noise, CO2, PM2.5 and PM10, TVOC, formaldehyde (CH2O), ozone (O3), oxygen (O2), vulcanization Hydrogen (H2S), methane (CH4), carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), hydrogen (H2), ammonia (NH3) and other parameters, installed in the shutter box, the equipment adopts standard MODBUS -RTU communication protocol, RS485 signal output, communication distance up to 2000 meters (measured).

SEM227 integrated louver box can be widely used in environmental testing, supporting monitoring of temperature and humidity, atmospheric pressure, light, noise, CO2, PM2.5 and PM10, TVOC, formaldehyde (CH2O), ozone (O3), oxygen (O2), vulcanization Hydrogen (H2S), methane (CH4), carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), hydrogen (H2), ammonia (NH3) and other parameters, installed in the shutter box, the equipment adopts standard MODBUS -RTU communication protocol, RS485 signal output, communication distance up to 2000 meters (measured). The transmitter is widely used in various occasions that need to measure ambient temperature and humidity, noise, air quality, atmospheric pressure and illumination, etc. It is safe and reliable, beautiful in appearance, easy to install and durable.

Parameters

Parameters

Range

Resolution

Accuracy

Preheating time

Air temperature

-40℃~+120℃

0.1°C

±0.5°C(25°C)

≤2min

Air humidity

0~100%RH

0.1%RH

±3%RH(60%RH,25℃)

≤2min

Air pressure

0~120Kpa

0.1Kpa

±0.15Kpa@25℃75Kpa

≤2min

Illuminance

0-200,000 Lux

1Lux

±7%(25℃)

≤2min

Noise

30-130db

±3%F.S

0.1dB

≤2min

PM2.5 / PM10/PM1.0

0~1000ug/m3

±10%

1ug/m3

≤2min

TSP/PM100

0~20000ug/m3

±3%F.S

1ug/m4

≤2min

TVOC

0~60000ppb

1ppb

±8%FS±125ppb

≤2min

CO2

0~5000ppm

1ppm

±(40ppm+ 3%F·S)

2min

Formaldehyde

0~5ppm

0.01ppm

±5%FS

≥5 minutes

Ozone

0~10ppm

0.01ppm

±6%FS

≥5 minutes

O2

0~25%Vol

0.1%Vol

±3%FS

≥5 minutes

H2S

0~100ppm

1ppm

±3%FS

≥5 minutes

CH4

0~100%LEL

1%LEL

±5%FS

≥5 minutes

CO

0~1000ppm

1ppm

±3%FS

≥5 minutes

NO2

0~20ppm

0.1ppm

±3%FS

≥5 minutes

SO2

0~20ppm

0.1ppm

±3%FS

≥5 minutes

H2

0~1000ppm

1ppm

±3%FS

≥5 minutes

NH3

0~100ppm

1ppm

±2%FS

≥5 minutes

Power supply

DC 10-30V(default)

Max. power consumption

1.2W

Test parameters

TVOC, formaldehyde, O3, Co, CH4, O2, SO2, NO2, H2, H2S, NH3

Work environment

Temperature – 10 ℃ – 55 ℃; humidity 0 ~ 95% RH, non condensing

Signal output

RS485 output (standard Modbus RTU protocol), analoge output, RJ45

Product material

ABS

Installation method

Bracket installation

Documents

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