Single-cartridge gas masks

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2. ABOUT Whatever the type of gas detector cells (catalytic, electrochemical, infrared or photoionization cells), it is essential and necessary to periodically check the correct functioning of these by regular calibrations (every semester or all The years after the manufacturers) and tests of good functioning between them. GazDetect offers these services ( calibration of the gas detector or gas tests on site ) in France and Europe or in the workshop Calibrating the Gas Detector The calibration of the gas detector (or calibration) of a gas detector consists of the setting of zero and sensitivity (span). Adjusting the zero Resetting configures the cell so that the ambient air is used as a reference value , it is therefore imperative that this "reference" air be perfectly "pure" so as not to distort the measurements. In case of doubt, a "zero grade air" standard gas bottle should be preferred rather than a zero zero setting in the open air. This is all the more important for CO2 detectors (carbon dioxide) because it is naturally present in the ambient air (about 400 ppm) and will therefore distort the measured values ​​of CO2 Adjusting the sensitivity (or calibration) The sensitivity adjustment (calibration of the gas detector) is ideally done with a standard gas cylinder of the gas to be measured with a concentration of between 20% and 80% of the measuring range, taking care to be able to trigger all the thresholds of Alarm of the gas detector. In some cases where there are no standard gas cylinders (all gases not available for sale) to calibrate the gas detector, an interfering gas may be used with all the necessary precautions.

3. ON-SITE MAINTENANCE AND CALIBRATION The so-called "fixed" gas detection systems are composed of a fixed gas detector (also called a gas sensor) connected to a gas detection unit. The latter is also connected to sound and / or light horns and to a device for stopping the gas line (gas safety valves or mechanical ventilation). Installation of on-site gas detection equipment: From analysis runs your gas detection installation to site implementation, GazDetect offers you to fully manage your project. Configurations and settings of gas detection units according to your needs, training in use, periodic checks, calibration or on-site troubleshooting are our strengths. We work primarily in partnership with Oldham and Honeywell Analytics and rely on their extensive network of traveling technicians to ensure competency, proximity and speed. On-site maintenance and calibration of fixed gas detectors: In addition to one-off interventions, we also offer maintenance contracts for on-site maintenance and calibration of your fixed gas detectors, thus ensuring absolute peace of the gas detection station. GazDetect is also the realization of cabinet or electrical cabinet as well as any gas work on site such as gas purges, gas line establishment, installation of gas safety solenoid valves, or any other Works on gas line. Our strong points : Expertise and know-how in the field of recognized gas detection. A wide network of partners both in France and abroad. The development of custom made electrical cabinets and gas line. Turnkey solutions. Maintenance and calibration of your fixed gas detection devices with calibration certificate.

4. Why Rent Portable Gas Detectors? For occasional or specific needs, the rental of portable gas detectors is often a relevant solution : no investments in new appliances, no periodic maintenance or checking, no return of devices for calibration or repair. The budget for gas detection is therefore completely frozen. Our portable gas detector leasing service quickly delivers all the appliance demands (portable monogas detectors, portable multi- gas detectors, gas detection beacons as well as calibration stations for calibrations and gas tests before use) To a large number of devices available on stock and an efficient logistic service that delivers within 24 to 48 hours. Advantages of renting portable gas detectors: Immediate availability : our large fleet of equipment allows us to respond very quickly to all requests. Two formulas are available: the weekly rental and the monthly rental . These two formulas help to meet the most specific needs. The gas detection budget comes down to the chosen rental formula, avoiding unpleasant surprises. Long-term rental over one or more years with the iNet solution, thus eliminating the need for periodic checks, calibrations and purchases of standard gas cylinders (see the iNet Solution page ) Ready-to-use equipment : all of our portable gas detectors or gas detection beacons are supplied ready-to-use with a user manual in French and the up-to-date calibration certificate covering the entire life of d 'use. Allows us to become familiar with our range of products before a possible purchase or to meet specific needs, such as technical stops for example.

5. Maintenance of portable gas detectors and calibrations: The maintenance of portable gas detectors is essential to ensure the accuracy of measurements of gas concentrations over the long term. According to personal protective equipment (PPE), calibration is performed every six months (every 180 days) or annually. The "Maintenance Included" solution is a simple and economical concept, which consists of providing maintenance for portable gas detectors for two years when purchased. This is an "all inclusive" version suitable for gas detection. This service is available as follows: Periodic checks every 180 days (verification of correct functioning of parts and calibration of measuring cells) with updated calibration certificates. The possible recalibrations of the measuring cells in case of saturation or other problems. The loan of an equivalent device in case of prolonged immobilisation of the detector of portable gas in our premises due to a repair. The shipping costs are included for the return of the device. The gas detection budget is frozen for two years, there is no nasty surprise! Replacement of the cells is in addition, but you do not pay labor for replacement and calibration of the gas detector (only the price of the measuring cell). After two years, it is possible to renew your maintenance contract for two more years (and so on) at almost the same cost. This service is applicable to our wide range of portable gas detectors, whether monogas or multigas (excluding disposable gas detectors and gas detection beacons). It allows you to control and significantly reduce your gas detection budget over the years.

6. CHARACTERISTICS AND GAS PROPERTIES Information on the physical and chemical properties of a gas and its specific characteristics is the first protection to limit the hazards of workers working in hazardous areas. A simple and intuitive database: Developed by Gaz Detect , gazfinder.com is a dynamic web interface that allows you to find the main characteristics and specific properties of a gas in a single click . Available from any device (computer, tablet or even via your smartphone), this database, listing nearly 1200 gases, meets the needs of a large number of professionals and sectors of activity. You simply have to type the name of a gas (whether it be its French or international denomination) Gas properties in one click! It is also possible to find a gas on GazFinder using its formula, CAS (unique Chemical Abstracts Service databank registration number), EINECS (European Inventory of Existing Commercial Chemical Substances) A synonym ! The system will then retrieve the corresponding card. The latter provides gas properties as well as physical and chemical characteristics such as limit and average exposure values ​​(ELV and VME), upper and lower limit values ​​for explosions in air (LEL and LES), But also the specificities of the gas in question (toxic, explosive, asphyxiant, harmful and / or corrosive). The interactive database indicates the gas detection means (fixed and / or portable gas detectors) as well as the respiratory protection equipment needed to protect themselves (gas masks with the appropriate gas mask filter and / Or insulating breathing apparatus). Finally, GazFinder includes information on hazardous substances with the risk phases standards for respiratory protection filters and specific filters, volatile organic compounds, measurements and detection of rare gases. Do not hesitate to visit GazFinder .

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