PemTech offers world-class quality and unparalleled customer service for a full range of Toxic Gas Detectors, LEL Combustible Gas Sensors, Multi Channel Gas Monitors and Process Gas Analyzers.
We have detectors specifically designed to monitor Carbone Dioxide (CO2), Hydrogen Sulfide (H2S), various combustible gases and toxic gases like Ammonia, Propane, Hexanes, Hydrogen Cyanide, Methanol and more, as well as detectors that monitor and sense oxygen deficiencies in the air. In-house manufacturing eliminates long lead times and ensures quality-controlled products that meet the needs of our clients worldwide.
Fixed Gas Detectors & Sensors
PemTech fixed gas detectors are designed to sense toxic and combustible gases in ambient air. All fixed gas sensors are microprocessor-based and are modularly designed, using the latest in digital technology. Various gas detection technologies are used. The most commonly employed are:
- Catalytic Bead: Combustible Gases
- Electrochemical for Toxic Gas Detection (Example: Ammonia, Hydrogen Sulfide, Sulfur Dioxide, Carbon Monoxide)
- Electrochemical for Oxygen Detection
- Metal Oxide Semiconductor (also called “Solid State”)
- Non-dispersive Infrared (NDIR): Combustible Hydrocarbons
Mostly toxic gases are monitored and measured in parts per million (ppm) range while Oxygen is measured in percent volume. Combustible gases are generally measured as 0-100% of the lower explosive limit (LEL). All PemTech fixed gas detectors are designed to alarm or generate an alert signal before the gas level reaches a potentially harmful or explosive concentration.
Fixed Gas Monitors & Controllers
PemTech is a leading provider of reliable and effective toxic gas detectors & combustible gas sensors for hazardous environments. Equipped with the most current microprocessor technology, our toxic Gas Detectors and gas controllers are available in convenient wall and rack mount styles. Our 4, 8, and 8 to 16 channel multi-channel gas sensors, along with our 6, 12, and 8 to 16 channel single channel modular gas controllers are accurate, dependable, and easy to program and read.
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Our multi-channel gas monitors and controllers have the capability to detect numerous toxic and combustible gases, whereas our single channel gas controllers and monitors use today’s best technology to deliver consistent and accurate results – for up to 16 channels of gas detection. We also offer a remote I/O module, which is an addressable 4 channel analog input module with 3 outputs. Lastly, our annunciator panels can be used in both safe and hazardous environments, collecting data from main control monitors and modules in toxic and combustible gas sensing and monitoring systems.
Wireless Gas Detectors & Monitors
Pem-Tech’s cutting-edge wireless gas detection systems are designed for continuous monitoring of toxic and combustible gases in the air. No complicated system configuration is needed. Simply assign a unique address to the remote sensor and you are done. The gas detector will collect all the necessary data information from the sensor including the target gas type. There is onboard historical data logging available as well as RS485 MODBUS RTU communication for PLC and DCS systems. Not to mention, easy connectivity to remote relay module for audio and visual alarms or Emergency Shut Downs (ESD).
We offer 3 wireless gas detection systems, the first being the wireless gateway that has the ability to interact with up to 64 wireless gas sensors and doesn’t require any programming or setup. The second is the wireless monitor that is able to display sensor gas readings and sensor calibrations, with real-time data logging available. Third, is our wireless sensor does not have a sleep mode – meaning that it is active all of the time so that the LCD is constantly displaying the gas level.
Wireless Gas Detection Benefits
- Reduced Installation cost. No more expensive cables and underground cable conduits.
- No trouble shooting for the cables.
- No damage to the main controller in the event of lightning and storms
- Easily add more sensors in the existing wireless network
- No complicated system configurations.
Continuous Gas Analyzers – CO2 & H2S
Gas Detection Calibration Accessories
Ref : http://www.pem-tech.com