![]() Electrochemical sensors are highly sensitive and emitĪn electrical signal when the electrode comes in contact with the target gas. Electrochemical sensors are generally used to detect toxic gases such as carbon monoxide, chlorine and nitrogen oxides. ![]() Gas detectors are categorized by the type of gas they detect and the technology used. These devices typically sound an alarm when the target gas is detected allowing the wearer an opportunity to safely leave the area.įixed gas detectors are generally mounted near the process area of a plant or control room and interface with a SCADA system for continuous monitoring and automatic shutdown if a target gas Portable gas detectors are used as personal safety devices and are worn on clothing or on a belt/harness when entering confined spaces Gas detectors are either portable or fixed in design. Gas detectors are usually part of a safety system and are typically deployed in confined spaces or in other areas where gas hazards could lead to toxic exposure or fire risk. Designed to detect combustible gases, toxic gases, and oxygen depletion PK Safety's "From 1 To 4" is a series of blog articles following the switch Chevron will be making from single-gas to 4-gas monitors in the fall of 2017.Gas detectors are highly sophisticated instruments that measure or monitor one or more gases within an area. They could be liable for not having the same safety standards as a leading refinery such as Chevron, and worse, ultimately risking the lives of contractors and workers.Ĭhevron will be hosting a safety fair in mid April for industry contractors to connect with the leading manufacturers and check out 4-gas monitor options. Other oil companies could be held liable in the case of an incident, and potentially be cited for non-compliance by OSHA down the road. He added that the battery life is 20 hours under normal conditions and 10-14 hours in real-world conditions (if the alarm sounds off, or you frequently bump test, etc.) - enough to last a full shift.ĭwyer expects other companies to follow suit within the coming year to two years. Ramey Packer, Northern California Regional Sales Manager for RKI Instruments, said he recommends the GX-2009 Confined Space 4-Gas Monitor because it's lightweight, small in size, and can easily be clipped in the “breathing zone” (within a foot of your nose and mouth – on your upper chest, shoulder, or hard hat) which OSHA and Chevron is strict about. The BWC4 will give added protection of 4-gas detection in addition to eliminating the need for all of this, saving both the contractors and Chevron time and money. Neil Dwyer, Regional Sales Manager of BW Honeywell said that the new BWC4 gas detector would be a great option for these particular jobs because it eliminates the need and expense of on-site recharging stations because it runs continuously for two years without the battery needing to be charged. It is recommended that these have a routine calibration every six months.Dwyer said on-site recharging stations at Chevron can be costly since they use power and time of contractors while monitors are being recharged. This change is slated for official launch in the fall of 2017, but they are already beginning to have their in-house team use 4-gas detectors and are promoting acquisition and use of them with contractors who work at their sites all over the nation. This is a big shift for contractors and the oil giant’s in-house team to switch from using single-gas to 4-gas monitors. We have heard from a couple of our top sales reps in the gas monitor industry that Chevron refineries are moving forward requiring the use of 4-gas monitors in their process units instead of the old requirement of just single H2S gas monitors.
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