Critical Environment Technologies

    Video Library

    Explore our collection of product demonstrations, installation guides, and technical training videos.

    Showing 35 of 35 videos

    Intro to Critical Environment Technologies - Safer Air Everywhere
    1:59

    Intro to Critical Environment Technologies - Safer Air Everywhere

    Critical Environment Technologies is a leader in the design, manufacture & service of gas detection and indoor air quali...

    Jan 30, 2026
    ASK THE EXPERTS - Gas Detection System: Interaction with VFD Fans
    1:19

    ASK THE EXPERTS - Gas Detection System: Interaction with VFD Fans

    Learn how variable frequency drive fans can be controlled by the gas detection system to change the rate of exhaust base...

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detectors: Mounting Considerations
    0:51
    Short

    ASK THE EXPERTS - Gas Detectors: Mounting Considerations

    Find out what needs to be considered when deciding where to mount a gas detector.

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detectors: Sensor Coverage
    1:03

    ASK THE EXPERTS - Gas Detectors: Sensor Coverage

    Watch this video to find out about gas sensing locations and the size of an area a sensor typically covers.

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detector: Mounting Locations
    1:26

    ASK THE EXPERTS - Gas Detector: Mounting Locations

    Ready to install your gas detection system but not sure where to mount the gas detector? Learn about different mounting...

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detector: How it Works
    1:52

    ASK THE EXPERTS - Gas Detector: How it Works

    Ever wondered how a gas detector detects gas? Find out by watching this video.

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detection Controller: Configuring the FCS After Installation
    1:11

    ASK THE EXPERTS - Gas Detection Controller: Configuring the FCS After Installation

    The FCS can be configured in the field after installation or re-configured should the sequence of operation need to be c...

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detection Controller: FCS Highlighted Features
    1:52

    ASK THE EXPERTS - Gas Detection Controller: FCS Highlighted Features

    The FCS Flexible Control System has many standard and optional features. Let's talk about time of day and priority jump.

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detection Controller: How Relays Work
    1:02

    ASK THE EXPERTS - Gas Detection Controller: How Relays Work

    Have you ever wondered how relays work? Join Fikret and Marianne from Critical Environment Technologies to find out.

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detection Controller: Adding Relays to the FCS
    1:08

    ASK THE EXPERTS - Gas Detection Controller: Adding Relays to the FCS

    Learn how to add more relays to an FCS Flexible Control System to meet your application requirements.

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detection Controller: FCS Relays
    1:16

    ASK THE EXPERTS - Gas Detection Controller: FCS Relays

    Find out how many and what type of relays the FCS Flexible Control System offers.

    Dec 13, 2022
    ASK THE EXPERTS - Gas Detection Controller: FCS Models
    0:57
    Short

    ASK THE EXPERTS - Gas Detection Controller: FCS Models

    Brief overview of the different FCS Flexible Control System Controllers Critical Environment Technologies manufactures.

    Dec 9, 2022
    ASK THE EXPERTS - Gas Detection Systems: Your Design
    1:38

    ASK THE EXPERTS - Gas Detection Systems: Your Design

    Learn about Critical Environment Technologies' 3 step approach to designing your gas detection system.

    Dec 9, 2022
    ASK THE EXPERTS - Gas Detection System: How It Works
    1:27

    ASK THE EXPERTS - Gas Detection System: How It Works

    Find out how a gas detection system works.

    Dec 9, 2022
    CET Part Numbers Presentation
    23:51

    CET Part Numbers Presentation

    In this presentation you will learn about the structure of our part numbers and how they are created. Several of our pop...

    Jun 24, 2020
    LPT and LPT-A Analog Gas Detectors
    3:59

    LPT and LPT-A Analog Gas Detectors

    Learn about the differences between these two single channel, analog gas detectors so you can choose the one you need!

    Oct 15, 2018
    FCS Flexible Control System Controller for Gas Detection Systems
    5:18

    FCS Flexible Control System Controller for Gas Detection Systems

    The FCS is the perfect controller for mid to large-size gas detection applications. It has 128 channels and accepts inpu...

    Oct 15, 2018
    We've got your gas covered!
    1:09

    We've got your gas covered!

    Introducing CETCI and our simple, reliable gas detection systems.

    May 2, 2018
    How to Calibrate the LPT Gas Detector
    3:09

    How to Calibrate the LPT Gas Detector

    Learn how to calibrate the LPT Low Power Analog Transmitter, an economical, single channel gas detector for commercial a...

    Dec 21, 2016
    How Does the Splash Guard Work?
    0:55
    Short

    How Does the Splash Guard Work?

    The splash guard (-S Option) is a factory installed item that protects the gas sensor from water spray in wet environmen...

    Dec 21, 2016
    How to remove and reassemble the -SW Option in the QCC
    1:29

    How to remove and reassemble the -SW Option in the QCC

    This emergency stop push button is ideal for applications that require emergency electrical shutdown or ventilation purg...

    Nov 28, 2016
    How to set the Relay Set Point and Calibrate the AST
    8:26

    How to set the Relay Set Point and Calibrate the AST

    Watch how to adjust the alarm set point for the relay and the calibration procedure for the AST second generation analog...

    Nov 14, 2016
    How to Calibrate the YESAIR IAQ Monitor
    8:50

    How to Calibrate the YESAIR IAQ Monitor

    Learn how to calibrate the temperature sensor, RH sensor and gas sensors in the YES AIR using the YES Air Utility Softwa...

    Nov 14, 2016
    How to Calibrate the GEM-ll
    13:08

    How to Calibrate the GEM-ll

    This tutorial demonstrates the calibration procedure for the GEM multi-purpose, self-contained gas detector, Type D (one...

    Nov 14, 2016
    How to Program the Relays in the PDC
    8:11

    How to Program the Relays in the PDC

    This tutorial demonstrates how to program the relays inside the PDC Controller to activate a contact and turn on ventila...

    Nov 14, 2016
    How to Calibrate the SCC
    7:26

    How to Calibrate the SCC

    Follow this demonstration on how to calibrate the SCC Self Contained Controller with one internal CO sensor, using CH1.

    Nov 14, 2016
    How to Set the Alarm Set Points, Relay and Test the SCC
    5:06

    How to Set the Alarm Set Points, Relay and Test the SCC

    Learn how to adjust the alarm set points, set relay ON/OFF delays and perform test functions for the SCC Self Contained...

    Nov 14, 2016
    How to Disable and Enable Channels on the PDC
    4:55

    How to Disable and Enable Channels on the PDC

    Learn how to disable and enable channels in a PDC Controller so that if a transmitter fails and needs to be physically r...

    Nov 14, 2016
    How to Calibrate the LPT-A Gas Detector
    4:14

    How to Calibrate the LPT-A Gas Detector

    This tutorial demonstrates the calibration procedure for the LPT-A Analog Transmitter with an internal carbon monoxide s...

    Nov 14, 2016
    How to Calibrate the DST-ECO Gas Detector
    6:47

    How to Calibrate the DST-ECO Gas Detector

    This demonstrates the calibration procedure for the DST-ECO Digital Transmitter with an internal carbon monoxide sensor....

    Nov 14, 2016
    YES Plus LGA Portable IAQ Monitoring System
    6:41

    YES Plus LGA Portable IAQ Monitoring System

    The YES Plus LGA is a 15 channel, battery powered, portable, air quality monitor and data logging instrument. It is desi...

    Mar 28, 2016
    Dual Channel Controller for Gas Detection Systems
    5:34

    Dual Channel Controller for Gas Detection Systems

    The DCC Dual Channel Controller is a comprehensive and dependable self-contained gas detection system that offers one or...

    Jan 27, 2016
    LPT and LPT-A Gas Detectors
    3:45

    LPT and LPT-A Gas Detectors

    The LPT is a single sensor, analog gas detector available with either a Carbon monoxide (CO), Nitrogen dioxide (NO2), Am...

    Jul 14, 2015
    SCC Self Contained Controller for Gas Detection Systems
    5:03

    SCC Self Contained Controller for Gas Detection Systems

    The SCC is available in one or two channel configurations for monitoring toxic and/or combustible gas types by means of...

    Jul 14, 2015
    YESAIR 8 Channel IAQ Monitor
    8:39

    YESAIR 8 Channel IAQ Monitor

    The YESAIR is a multi-channel, battery powered, portable air quality detection and data logging instrument designed for...

    Jul 14, 2015