Scout Innovations Canada

SemeaTech

Semeatech

SemeaTech is a global leader in gas and radiation sensors, sensor modules, and sensor networking technologies focused on hazardous material detection, air quality monitoring, health care appliances, smart cities and smart homes.

Through this partnership, Scout Innovations supports SemeaTech’s North American reach with robust supply-chain support, creative sales and marketing strategies, and a commitment to identifying and advancing credible, high-value solutions for OEM customers.

Our long-standing collaboration with the SemeaTech team reflects a shared commitment to delivering reliable, high-performance sensing technologies across North America. Their extensive portfolio, including Series 3, Series 4, Series 7, and 4-electrode EC sensors, supports a wide range of applications, with popular sensors such as NH3, H2S, CO, Lead-Free O2, HCN, HF and SO2 consistently in demand.

With local inventory and the ability to facilitate 24-hour ship times from the SemeaTech factory, Scout strengthens supply-chain reliability while reducing delivery timelines and costs for customers. Together, the two organizations are aligned in advancing innovative gas and radiation sensing solutions and ensuring exceptional service for OEMs across industrial safety, environmental monitoring, and smart-infrastructure sectors.

+ SemeaTech Website

Electrochemical Sensors Sensor Modules Radiation Detection NDIR Sensors Sensor Calibrators More Products

Electrochemical Sensors

Air Quality Monitoring

Gas Sensors (CO, H2S, NH3, NO, NO2, O3, SO2)
Product Name Range Part Number Datasheet
7E4-CO-10 Sensor 0 ~ 10 ppm 051-1900-200
7E4-H2S-10 Sensor 0 ~ 10 ppm 052-1900-200
7E4-NH3-10 Sensor 0 ~ 10 ppm 059-3500-200
7E4-NO-10 Sensor 0 ~ 10 ppm 058-0700-200
7E4-NO2-5 Sensor 0 ~ 5 ppm 051-1900-200
7E4-O3-5 Sensor 0 ~ 5 ppm 068-0900-200
7E4-SO2-5 Sensor 0 ~ 5 ppm 056-0600-200

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4-Series Gas Sensors

Carbon Monoxide (CO) Gas
Product Name Range Part Number Datasheet
4-Series CO-50 Sensor 0 ~ 50 ppm 051-1200-000
4-Series CO-100 Sensor 0 ~ 100 ppm 051-1100-000
4-Series CO-500S Sensor 0 ~ 500 ppm 051-0400-000
4-Series CO-1000S Sensor 0 ~ 1,000 ppm 051-1600-000
4-Series CO-2000 Sensor 0 ~ 2,000 ppm 051-0100-000
4-Series CO-2000CT Sensor 0 ~ 2,000 ppm 051-2000-000
4-Series CO-5000 Sensor 0 ~ 5,000 ppm 051-0900-000
4-Series CO-10000 Sensor 0 ~ 10,000 ppm 051-0800-000
4-Series CO-20000 Sensor 0 ~ 20,000 ppm 051-1000-000

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Hydrogen Sulfide (H2S) Gas
Product Name Max Overload Part Number Datasheet
4-Series H2S-50 Sensor 0 ~ 50 ppm 052-0400-000
4-Series H2S-100S Sensor 0 ~ 100 ppm 052-S100-000
4-Series H2S-500 Sensor 0 ~ 500 ppm 052-1500-000
4-Series H2S-1000 Sensor 0 ~ 1,000 ppm 052-0100-000
4-Series H2S-2000 Sensor 0 ~ 2,000 ppm 052-0600-000
4-Series H2S-5000 Sensor 0 ~ 5,000 ppm 052-0700-000

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Oxygen (O2) Gas
Product Name Range Part Number Datasheet
4-Series O2-LF Sensor 0 ~ 25% vol oxygen 053-0000-000

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Hydrogen (H2) Gas
Product Name Range Part Number Datasheet
4-Series H2-1000 Sensor 0 ~ 1,000 ppm 054-0000-000
4-Series H2-2000 Sensor 0 ~ 2,000 ppm 054-0400-000
4-Series H2-40000 Sensor 0 ~ 40,000 ppm 054-0100-000

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Ethylene Oxide (C2H4O) Gas
Product Name Range Part Number Datasheet
4-Series ETO-10 Sensor 0 ~ 10 ppm 055-0000-000
4-Series ETO-100 Sensor 0 ~ 100 ppm 055-0100-000
4-Series ETO-500 Sensor 0 ~ 500 ppm 055-0200-000

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Sulfur Dioxide (SO2) Gas
Product Name Range Part Number Datasheet
4-Series SO2-5 Sensor 0 ~ 5 ppm 056-0400-000
4-Series SO2-20 Sensor 0 ~ 20 ppm 056-0000-000
4-Series SO2-100 Sensor 0 ~ 100 ppm 056-0500-000
4-Series SO2-2000 Sensor 0 ~ 2,000 ppm 056-0100-000

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Nitrogen Dioxide (NO2) Gas
Product Name Range Part Number Datasheet
4-Series NO2-5AOF Sensor 0 ~ 5 ppm 057-0300-000
4-Series NO2-20 Sensor 0 ~ 20 ppm 057-0000-000
4-Series NO2-2000 Sensor 0 ~ 2,000 ppm 057-0100-000

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Nitric Oxide (NO) Gas
Product Name Range Part Number Datasheet
4-Series NO-5 Sensor 0 ~ 5 ppm 058-0300-000
4-Series NO-250 Sensor 0 ~ 250 ppm 058-0000-000
4-Series NO-2000 Sensor 0 ~ 2,000 ppm 058-0100-000

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Ammonia (NH3) Gas
Product Name Range Part Number Datasheet
4-Series NH3-20 Sensor 0 ~ 20 ppm 059-0900-000
4-Series NH3-100S Sensor 0 ~ 100 ppm 059-1900-000
4-Series NH3-100L Sensor 0 ~ 100 ppm 059-1200-000
4-Series NH3-500S Sensor 0 ~ 500 ppm 059-2100-000
4-Series NH3-500L Sensor 0 ~ 500 ppm 059-1100-000
4-Series NH3-1000S Sensor 0 ~ 1,000 ppm 059-2200-000
4-Series NH3-1000L Sensor 0 ~ 1,000 ppm 059-1300-000
4-Series NH3-2000 Sensor 0 ~ 2,000 ppm 059-0600-000
4-Series NH3-5000L Sensor 0 ~ 5,000 ppm 059-1500-000

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Phosphine (PH3) Gas
Product Name Range Part Number Datasheet
4-Series PH3-5 Sensor 0 ~ 5 ppm 060-0600-000
4-Series PH3-20 Sensor 0 ~ 20 ppm 060-0000-000
4-Series PH3-1000 Sensor 0 ~ 1,000 ppm 060-0100-000
4-Series PH3-2000 Sensor 0 ~ 2,000 ppm 060-0400-000

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Chlorine Dioxide (ClO2) Gas
Product Name Range Part Number Datasheet
4-Series ClO2-1 Sensor 0 ~ 1 ppm 061-0100-000
4-Series ClO2-10 Sensor 0 ~ 10 ppm 061-0400-000
4-Series ClO2-50 Sensor 0 ~ 50 ppm 061-0000-000

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Chlorine (Cl2) Gas
Product Name Range Part Number Datasheet
4-Series Cl2-10 Sensor 0 ~ 10 ppm 062-0100-000
4-Series Cl2-20 Sensor 0 ~ 20 ppm 062-0600-000
4-Series Cl2-50 Sensor 0 ~ 50 ppm 062-0000-000
4-Series Cl2-200 Sensor 0 ~ 200 ppm 062-0200-000

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Hydrogen Chloride (HCl) Gas
Product Name Range Part Number Datasheet
4-Series HCl-20 Sensor 0 ~ 20 ppm 063-0500-000
4-Series HCl-50 Sensor 0 ~ 50 ppm 063-0000-000
4-Series HCl-100 Sensor 0 ~ 100 ppm 063-0600-000
4-Series HCl-200 Sensor 0 ~ 200 ppm 063-0200-000

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Hydrogen Cyanide (HCN) Gas
Product Name Range Part Number Datasheet
4-Series HCN-50 Sensor 0 ~ 50 ppm 064-0000-000

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Methanethiol (CH3SH) Gas
Product Name Range Part Number Datasheet
4-Series CH3SH-10 Sensor 0 ~ 10 ppm 065-0000-000

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Tetrahydrothiophene (C4H8S) Gas
Product Name Range Part Number Datasheet
4-Series THT-50 Sensor 0 ~ 50 mg/m³ 066-0000-000

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Vinyl Chloride (C2H3Cl) Gas
Product Name Range Part Number Datasheet
4-Series C2H3Cl-20 Sensor 0 ~ 20 ppm 067-0200-000
4-Series C2H3Cl-100 Sensor 0 ~ 100 ppm 067-0000-000

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Ozone (O3) Gas
Product Name Range Part Number Datasheet
4-Series O3-1 Sensor 0 ~ 1 ppm 068-0400-000
4-Series O3-10 Sensor 0 ~ 10 ppm 068-0000-000
4-Series O3-100 Sensor 0 ~ 100 ppm 068-0100-000
4-Series O3-1000 Sensor 0 ~ 1,000 ppm 068-0800-000

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Hydrogen Fluoride (HF) Gas
Product Name Range Part Number Datasheet
4-Series HF-10 Sensor 0 ~ 10 ppm 069-0000-000
4-Series HF-100 Sensor 0 ~ 100 ppm 069-0100-000

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Formaldehyde (CH20) Gas
Product Name Range Part Number Datasheet
4-Series CH2O-10 Sensor 0 ~ 10 ppm 072-0000-000
4-Series CH2O-50 Sensor 0 ~ 50 ppm 072-0100-000

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Acetylene (C2H2) Gas
Product Name Range Part Number Datasheet
4-Series C2H2-10 Sensor 0 ~ 10 ppm 075-0100-000
4-Series C2H2-100 Sensor 0 ~ 100 ppm 075-0000-000
4-Series C2H2-200 Sensor 0 ~ 200 ppm 075-0200-000

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Ethylene (C2H4) Gas
Product Name Range Part Number Datasheet
4-Series C2H4-10 Sensor 0 ~ 10 ppm 076-0100-000
4-Series C2H4-100 Sensor 0 ~ 100 ppm 076-0200-000
4-Series C2H4-200 Sensor 0 ~ 200 ppm 076-0000-000

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Arsine (AsH3) Gas
Product Name Range Part Number Datasheet
4-Series ASH3-1 Sensor 0 ~ 1 ppm 078-0000-000

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7-Series Gas Sensors

Carbon Monoxide (CO) Gas
Product Name Range Part Number Datasheet
7-Series CO-50 Sensor 0 ~ 50 ppm 051-1300-000
7-Series CO-100 Sensor 0 ~ 100 ppm 051-1400-000
7-Series CO-1000 Sensor 0 ~ 1,000 ppm 051-0200-000
7-Series CO-2000 Sensor 0 ~ 2,000 ppm 051-0600-000
7-Series CO-10000 Sensor 0 ~ 10,000 ppm 051-0700-000

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Hydrogen Sulfide (H2S) Gas
Product Name Range Part Number Datasheet
7-Series H2S-50 Sensor 0 ~ 50 ppm 052-0300-000
7-Series H2S-100 Sensor 0 ~ 100 ppm 052-0500-000
7-Series H2S-200 Sensor 0 ~ 200 ppm 052-0200-000
7-Series H2S-500 Sensor 0 ~ 500 ppm 052-1300-000
7-Series H2S-1000 Sensor 0 ~ 1,000 ppm 052-0800-000
7-Series H2S-2000 Sensor 0 ~ 2,000 ppm 052-0900-000
7-Series H2S-5000 Sensor 0 ~ 5,000 ppm 052-1100-000
7-Series H2S-10000 Sensor 0 ~ 10,000 ppm 052-1400-000

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Hydrogen (H2) Gas
Product Name Range Part Number Datasheet
7-Series H2-1000 Sensor 0 ~ 1,000 ppm 054-0200-000
7-Series H2-10000 Sensor 0 ~ 10,000 ppm 054-0300-000
7-Series H2-20000 Sensor 0 ~ 20,000 ppm 054-0500-000

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Ethylene Oxide (C2H4O) Gas
Product Name Range Part Number Datasheet
7-Series ETO-20 Sensor 0 ~ 20 ppm 055-0400-000
7-Series ETO-100 Sensor 0 ~ 100 ppm 055-0300-000

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Sulfur Dioxide (SO2) Gas
Product Name Range Part Number Datasheet
7-Series SO2-5 Sensor 0 ~ 5 ppm 056-0600-000
7-Series SO2-20 Sensor 0 ~ 20 ppm 056-0700-000
7-Series SO2-100 Sensor 0 ~ 100 ppm 056-0200-000
7-Series SO2-2000 Sensor 0 ~ 2,000 ppm 056-0300-000

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Nitrogen Dioxide (NO2) Gas
Product Name Range Part Number Datasheet
7-Series NO2-5AOF Sensor 0 ~ 5 ppm 057-0400-000
7-Series NO2-20 Sensor 0 ~ 20 ppm 057-0200-000
7-Series NO2-100 Sensor 0 ~ 100 ppm 057-0500-000
7-Series NO2-500 Sensor 0 ~ 500 ppm 057-0600-000

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Nitric Oxide (NO) Gas
Product Name Range Part Number Datasheet
7-Series NO-100 Sensor 0 ~ 100 ppm 058-0200-000

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Ammonia (NH3) Gas
Product Name Range Part Number Datasheet
7-Series NH3-100S Sensor 0 ~ 100 ppm 059-2300-000
7-Series NH3-100L Sensor 0 ~ 100 ppm 059-1600-000
7-Series NH3-200S Sensor 0 ~ 200 ppm 059-2800-000
7-Series NH3-200L Sensor 0 ~ 200 ppm 059-2700-000
7-Series NH3-500S Sensor 0 ~ 500 ppm 059-2400-000
7-Series NH3-500L Sensor 0 ~ 500 ppm 059-1700-000
7-Series NH3-1000S Sensor 0 ~ 1,000 ppm 059-2500-000
7-Series NH3-1000L Sensor 0 ~ 1000 ppm 059-3200-000
7-Series NH3-2000S Sensor 0 ~ 2,000 ppm 059-1000-000

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Phosphine (PH3) Gas
Product Name Range Part Number Datasheet
7-Series PH3-5 Sensor 0 ~ 5 ppm 060-0300-000
7-Series PH3-2000 Sensor 0 ~ 2,000 ppm 060-0200-000

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Chlorine Dioxide (ClO2) Gas
Product Name Range Part Number Datasheet
7-Series ClO2-1 Sensor 0 ~ 1 ppm 061-0200-000
7-Series ClO2-20 Sensor 0 ~ 20 ppm 061-0300-000

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Chlorine (Cl2) Gas
Product Name Range Part Number Datasheet
7-Series Cl2-20 Sensor 0 ~ 20 ppm 062-0300-000
7-Series Cl2-50 Sensor 0 ~ 50 ppm 062-0400-000

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Hydrogen Chlorine (HCl) Gas
Product Name Range Part Number Datasheet
7-Series HCl-20 Sensor 0 ~ 20 ppm 063-0400-000
7-Series HCl-50 Sensor 0 ~ 50 ppm 063-0100-000
7-Series HCl-100 Sensor 0 ~ 100 ppm 063-0300-000

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Hydrogen Cyanide (CH3SH) Gas
Product Name Range Part Number Datasheet
7-Series HCN-50 Sensor 0 ~ 50 ppm 064-0100-000

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Methanethiol (CH3SH) Gas
Product Name Range Part Number Datasheet
7-Series CH3SH-10 Sensor 0 ~ 10 ppm 065-0100-000

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Tetrahydrothiophene (C4H8S) Gas
Product Name Range Part Number Datasheet
7-Series THT-50 Sensor 0 ~ 50 mg/m³ 066-0100-000

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Vinyl Chloride (C2H3Cl) Gas
Product Name Range Part Number Datasheet
7-Series C2H2Cl-50 Sensor 0 ~ 50 ppm 067-0300-000
7-Series C2H3Cl-100 Sensor 0 ~ 100 ppm 067-0100-000

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Ozone (O3) Gas
Product Name Range Part Number Datasheet
7-Series O3-1 Sensor 0 ~ 1 ppm 068-0300-000
7-Series O3-20 Sensor 0 ~ 20 ppm 068-0200-000
7-Series O3-100 Sensor 0 ~ 100 ppm 068-0500-000

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Hydrogen Fluoride (HF) Gas
Product Name Range Part Number Datasheet
7-Series HF-10 Sensor 0 ~ 10 ppm 069-0300-000
7-Series HF-50 Sensor 0 ~ 50 ppm 069-0200-000

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Formaldehyde (CH2O) Gas
Product Name Range Part Number Datasheet
7-Series CH2O-10 Sensor 0 ~ 10 ppm 072-0200-000
7-Series CH2O-50 Sensor 0 ~ 50 ppm 072-0300-000

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3-Series Gas Sensors

Gas Sensors (CO, NO, NO2, SO2)
Product Name Range Part Number Datasheet
CO-10000 Sensor 0 ~ 10,000 ppm 051-3000-000
CO-20000 Sensor 0 ~ 20,000 ppm 051-3100-000
NO-2000 Sensor 0 ~ 2,000 ppm 058-3000-000
NO2-500 Sensor 0 ~ 500 ppm 057-3000-000
SO2-500 Sensor 0 ~ 500 ppm 056-3100-000
SO2-2000 Sensor 0 ~ 2,000 ppm 056-3000-000

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Commercial Gas Sensors

Gas Sensors
Product Name Range Part Number Datasheet
Electrochemical CO-500 0 ~ 500 ppm 051-0300-000
Electrochemical CO-1000 0 ~ 20 ppm 051-2100-000
WC Air Quality Sensor 0 ~ 20 ppm 080-0000-000

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Sensor Modules

Sensor Modules
Product Name Datasheet
4ECM-SMART Module PCBA
4LEL-SMART Module PCBA
4LEL-SMART Module
4ECM-SMART Module
7 SMART Module

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Radiation Detection

Radiation Sensors
Product Name Part Number Datasheet
3cc CsI Gamma Sensor 001-0100-000
SemeaAlert_Gamma N/A
Mini Gamma Sensor 001-3000-000

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NDIR Sensors

NDIR Modules
Product Name Range Part Number Datasheet
CO2-IRM300 NDIR Module 0 ~ 50,000 ppm A96-0000-Z01
CO2-PCL0A NDIR Module 0 ~ 5,000 ppm A96-0300-000
CO2-IRM-203 NDIR Module 10,000 ppm A96-0100-000
CO2-ZM 200D NDIR Module 400 ~ 4,000 ppm A96-0400-003

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Sensor Calibrators

Calibrators
Product Name Range Part Number Datasheet
HF-15 (Hydrogen Fluoride) 1 ~ 15 ppm 006-0003-001
HF-50 (Hydrogen Fluoride) 1 ~ 50 ppm 006-0003-002
CH2O-20 (Formaldehyde) 2 ~ 20 ppm 006-0004-000

More Products

Products
Product Name Range Part Number Datasheet
4LEL-3.0 Sensor 0 ~ 100% LEL 090-R000-000
4 and 7 Series Sensor Receptacles N/A N/A

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News Feed

Semeatech

Partner Spotlight | SemeaTech

Posted: July 2, 2026

Global technology. Local Canadian support. Scout Innovations Canada is proud to partner with SemeaTech, a worldwide leader in advanced gas and radiation sensing technologies. Together, we’re making innovative sensor solutions more accessible to customers across Canada with responsive local support, technical expertise, and dependable supply. Whether your application involves gas detection, environmental monitoring, indoor air […]

2022 NSC Safety Congress & Expo

Scout Innovations gears up for NSC Safety Congress & Expo

Posted: August 30, 2022

The NSC Safety Congress & Expo is one of the most renowned long-standing events for professionals focused on safety, and the team at Scout Innovations is pleased to be attending. The event is taking place September 16-18 in San Diego, and the Sales Director at Scout, says the booth (#5116) will feature products from three […]

SemeaTech formaldehyde sensors

SemeaTech’s formaldehyde sensors offer minimal cross sensitivity to other gases

Posted: July 29, 2022

Formaldehyde is a colorless, flammable gas with a strong odor, and exposure can cause many adverse health effects including cancer. Exposure to formaldehyde is more common than one might realize, as it’s found in many everyday products such as building materials and insulation, fertilizers and pesticides, resins used in the manufacture of wood products, household […]

Enhancing workplace safety with ammonia sensors

Enhancing workplace safety with ammonia sensors

Posted: July 7, 2022

An essential aspect of workplace safety is prevention of exposure to harmful gases such as ammonia. Exposure to high concentrations of ammonia in the air can cause immediate burning of the eyes, nose, throat and respiratory tract and can result in blindness, lung damage or death. One of the best ways to detect ammonia is […]

Semeatech

Scout Innovations announces strategic agreement with SemeaTech

Posted: August 30, 2021

Scout Innovations is pleased to announce that the Houston-based company is now working directly with SemeaTech to distribute sensor platforms for the North American market. SemeaTech is a worldwide leader in gas and radiation sensors, sensor modules and sensor networking technologies focusing on hazardous material detection, air quality monitoring, health care appliances, smart cities and […]