1. Catalogs
  2. WoMaster
  3. WoMaster ES101 Air Quality Sensors

WoMaster ES101 Air Quality Sensors

WoMaster ES101 Air Quality Sensors
1 / 12 PagesView full catalog

WoMaster ES101 Air Quality Sensors

Product catalog summary
Overview: This document outlines the technical specifications for a series of outdoor IoT sensors designed to measure various gases and air quality parameters. These sensors feature Modbus RTU RS-485 communication and are suitable for outdoor use with IP54 grade protection.

1. Carbon Monoxide Sensor (ES101CO-2000): Measures 0-2000ppm with ±3% accuracy and 1ppm resolution. It operates on 10-30VDC power with a response time of ≤3 seconds.

2. Ozone Sensor (ES101O3-10): Measures 0-10ppm with ±6% accuracy and 0.01ppm resolution. It operates on 10-30VDC power with a response time of ≤35 seconds.

3. Carbon Dioxide Sensor (ES101-CO2-5000): Measures 0-5000ppm with ±40ppm +3%FS accuracy. It operates on 10-30VDC power with a response time of ≤90 seconds.

4. Oxygen Sensor (ES101O2): Measures 0-25% VOL with ±3%FS accuracy and 0.1% VOL resolution. It operates on 10-30VDC power with a response time of <10 seconds.

5. Air Quality Sensor (PM2.5, PM10) (ES101PM): Measures 0-1000ug/m3 with 10% accuracy and 1ug/m3 resolution. It operates on 10-30VDC power with a response time of <90 seconds.

6. TVOC Sensor (ES101TVOC): Measures 0-60000ppb with ±8%FS±125ppb accuracy and 1ppb resolution. It operates on 10-30VDC power with a response time of <1 second.

7. Nitrogen Dioxide Sensor (ES101NO2-2000): Measures 0-2000ppm with 0.1ppm resolution. It operates on 10-30VDC power with a response time of <90 seconds.

8. Sulphur Dioxide Sensor (ES101SO2-2000): Measures 0-2000ppm with ±3%FS accuracy and 1ppm resolution. It operates on 10-30VDC power with a response time of <70 seconds.

9. Ammonia Sensor (ES101NH3-500): Measures 0-500ppm with ±20%FS accuracy and 1ppm resolution. It operates on 10-30VDC power with a response time of ≤25 seconds.

10. Hydrogen Sulfide Sensor (ES101H2S-100): Measures 0-100ppm with ±3%FS accuracy and 1ppm resolution. It operates on 10-30VDC power with a response time of ≤35 seconds.

11. Hydrogen Sensor (ES101H2-1000): Measures 0-1000ppm with ±3%FS accuracy and 1ppm resolution. It operates on 10-30VDC power with a response time of ≤70 seconds.

General Features: All sensors support Modbus RTU RS-485 communication and have IP54 grade protection with ABS plastic and UL94V0 anti-fire rating. Optional IoT connectivity is available through the ThingsMaster platform.

Product Overview: The ES101CH4 is a methane sensor with a measurement range of 0-100% LEL, supporting Modbus RTU RS-485 communication and operating on 10-30VDC power.

Specifications: It features a resolution of 1% LEL, ±5% accuracy, RS485 2-wire output, and a response time of ≤15 seconds. It is designed for wall mounting with dimensions of 85 x 110 x 44 mm.

Enclosure Protection: The sensors have IP54 grade protection, are water-proof and dust-proof, and are made from ABS plastic with UL94V0 anti-fire rating.

Optional Features: IoT Router and Cloud Platform - ThingsMaster for real-time monitoring, and support for Modbus to connect with optional NBIoT Gateway WR222-WLAN-NB.

Communication and Configuration: The sensors have a Slave ID range of 1-254, a default baud rate of 9600, and output options of 4-20mA, 0-5V, 0-10V available upon request.

Package Contents: Each package includes a product unit, expansion plugs, self-tapping screws, and a quick installation guide.
See more

Catalog excerpts

WoMaster ES101 Air Quality Sensors-1

ES101CO-2000 Outdoor CO Carbon Monoxide Sensor Wide Measuring Range, High Accuracy – 1000 / 2000ppm, +/-3% Accuracy – 1 ppm Resolution, ≦ 2% Stability Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual management Signal output RS485 2-Wire output (Modbus protocol) Operating Voltage Working Environment Power consumption Response time Dimension & Installation Register Address Signal / Month CO concentration value Slave ID Range:0~2000ppm Upload real data 1 ~ 254 (Factory Default 1) Baud Rate Model Name Outdoor CO Carbon Monoxide Sensor, 0~2000ppm, RS485 Modbus, 10-30V Power Package List 1 x Product Unit, 1 x Quick Installation Guide 2x Expansion plugs, 2 x Self-tapping screws

 Open the catalog to page 1
WoMaster ES101 Air Quality Sensors-2

ES101O3-10 Outdoor Ozon O3 Sensor Wide Measuring Range, High Accuracy – 10/100ppm, +/-6% Accuracy in Full Scale – 0.01 ppm Resolution, ≦ 7% Stability/Year Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual management...

 Open the catalog to page 2
WoMaster ES101 Air Quality Sensors-3

ES101-CO2-5000 Outdoor CO2 Carbon Dioxide Sensor Wide CO2 Measuring Range – 5000ppm with +/- 40ppm Accuracy in full-scale – Widely applied at Heavy Air-Pollution Area Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and...

 Open the catalog to page 3
WoMaster ES101 Air Quality Sensors-4

ES101O2 Outdoor Oxygen O2 Sensor Wide Measuring Range – 0~25% VOL, +/-3% Accuracy in Full Scale – 0.1% VOL Resolution Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual management Signal output RS485 2-wire output...

 Open the catalog to page 4
WoMaster ES101 Air Quality Sensors-5

ES101PM Outdoor Air Monitor Quality Sensor (PM2.5, PM10 ) Wide Measuring Range , High Reliability – 1000 ug/m3 for PM2.5, PM10 – I.R. Laser Detective Technology Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual...

 Open the catalog to page 5
WoMaster ES101 Air Quality Sensors-6

ES101TVOC Outdoor TVOC (Total Volatile Organic Compounds) Sensor Wide Measuring Range , High Reliability – 0~60000ppb Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual management Measurement range Signal output...

 Open the catalog to page 6
WoMaster ES101 Air Quality Sensors-7

ES101NO2-2000 Outdoor Nitrogen Dioxide NO2 Sensor Wide Measuring Range – 2000ppm – ES101-NO2-2000 – 20ppm- ES101-NO2-20 Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual management Signal output RS485 2-wire...

 Open the catalog to page 7
WoMaster ES101 Air Quality Sensors-8

ES101SO2-2000 Outdoor Sulphur Dioxide SO2 Sensor Wide Measuring Range – 2000ppm , +/-3% Accuracy in Full Scale – 1ppm Resolution Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual management Signal output RS485...

 Open the catalog to page 8
WoMaster ES101 Air Quality Sensors-9

ES101NH3-500 Outdoor Ammonia NH3 Sensor Multiple Measuring Range – 50ppm, 100ppm, 500ppm – +/-20%, +/-2% Accuracy – 0.1 ppm /1ppm Resolution Std. Modbus RTU RS-485, Wide Power Range – 2-Wire RS-485 – 10~30Vdc Power Input High Grade Enclosure Protection – IP54 Grade Protection, ABS Plastic, UL94V0 Anti-fire – Water-Proof, Anti-Dust with Out-Door Shelter Optional IoT Router and Cloud Platform - ThingsMaster – Support Modbus to connect optional NBIoT Gateway WR222WLAN-NB for one or many sensors – Real-time online monitoring, analysis, reporting – Remote cloud security and visual management Signal...

 Open the catalog to page 9

All WoMaster catalogs and technical brochures

  1. DS412/DP412

    9  Pages

  2. WR222 Series

    6  Pages

  3. DP612

    5  Pages

  4. DS612

    5  Pages

  5. MP614

    5  Pages

  6. DS306

    4  Pages

  7. DS406

    4  Pages

  8. DP406

    4  Pages

  9. DP406 series

    4  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.