General Monitors Introduces Low-Maintenance, IR700 Infrared Gas Point Detecting Sensor

General Monitors provides a strong IR700 infrared CO₂ point detector, which ensures less maintenance and high reliability in gas detection without requiring routine calibration.

The detector provides control capability for CO₂ sensing at the ppm level and fully controlled room status. The IR700 unit is designed with an accurate infrared point detecting element, which is used to protect the unit from the hazardous effects of CO₂ leakage. The model IR700 CO₂ sensor is featured with a heated optics for eliminating condensation, true fail-to-safe architecture for its dependable performance in gas detection, and an optical device for informing the customer to clean the system before the dirt covers the lenses, thereby minimizing the downtime.

The IR700 CO₂ sensor is designed using microprocessor-based technology to ensure continuous detection of CO₂ at 0-5000 ppm level. The gas is detected by measuring the absorption level of IR rays that is passed through the gas volume employing a two beam, single sensor technology. The IR700 CO₂ sensor determines the concentration of gas by comparing the measured intensities of two definite wavelengths, one is outside and another is at the IR radiation absorption level. The gas detector is integrated with warning/alarming relays and several communication outputs in a strong, explosive resistant aluminum or stainless steel housing for instantly processing its data at the point of measurement. The CO₂ detector can be connected to a model IR4000S CO₂ transmitter, which includes a relay, magnetic interface and LED, to ensure local control and display the detected information.

The sensor unit can be optionally integrated with an 8-A relay to expand its operation without the need of any other controllers. The IR700 system provides +/- 5% and +/- 10% full-scale accuracy at 0-2500 ppm and higher level of concentrations respectively. It is capable of functioning at 10% to 95% humidity range and temperature range of about -40°C to 50°C. The IR700 CO₂ sensor is registered in HART and received CE marking, ATEX, IECEx and CSA approvals.