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Sensors for Safety Ltd
Address
Knaresborough Technology Park
Knaresborough
HG5 8LF
United Kingdom
About Sensors for Safety Ltd
Gas Detection Warehouse | 30+ years in portable and fixed gas detection sales and distribution | Trusted Brands!
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S4S Guardian® Lite low cost addressable gas detection system package.
• Package includes:
S4S Guardian® Lite Control Panel x 1
S4S Gaurdian® Point Chlorine (Cl2) addressable gas sensor x1
Amber Sounder/Beacon x 1.
• 24VDC or 115/230VAC
• Pre-calibrated Sensors
• Traffic light display
A fixed multi channel gas alarm unit that meets the requirements for economic and reliable monitoring of Chlorine (CL2) gas levels in Swimming Pool and Leisure Centre Plant Rooms that may require hazardous area sensing.
https://gasdetectionwarehouse.co.uk/products/s4s-guardian%C2%AE-lite-chlorine-gas-alarm-system
With hundreds of systems sold, this is a very efficient way to cover your Chlorine Plant Room.
• Package includes:
S4S Guardian® Lite Control Panel x 1
S4S Gaurdian® Point Chlorine (Cl2) addressable gas sensor x1
Amber Sounder/Beacon x 1.
• 24VDC or 115/230VAC
• Pre-calibrated Sensors
• Traffic light display
A fixed multi channel gas alarm unit that meets the requirements for economic and reliable monitoring of Chlorine (CL2) gas levels in Swimming Pool and Leisure Centre Plant Rooms that may require hazardous area sensing.
https://gasdetectionwarehouse.co.uk/products/s4s-guardian%C2%AE-lite-chlorine-gas-alarm-system
With hundreds of systems sold, this is a very efficient way to cover your Chlorine Plant Room.
S4S Gaswarden - Low Cost Gas Detection
The S4S Gaswarden gas leak detection system features remote sensors connected to the main control unit via a 3 core cable network. The control unit is an advanced design using the latest technology and provides a high integrity system whilst offering a significant cost saving over conventional gas alarm systems.
Standard sensors for use in commercial and light industrial applications such as laboratories, workshops, boiler plant rooms etc are available for monitoring toxic, flammable, oxygen or refrigerant gases. Each gas sensor continuously monitors the atmosphere for any hazardous conditions, on detection of gas the sensor will indicate the gas level status A1, A2, A3 by LED indication and sounder. Information received by the control panel from the sensor is then displayed, indicating the zone, gas type and alarm status. Alarm levels that are exceeded are then able to activate user selectable relays and appropriate control actions.
**The S4S Gaswarden Boiler Room Package**
• Package includes:
- Gaswarden Control Panel x 1,
- Methane (NG) sensor x 1,
- Carbon Monoxide (CO) x1,
- Amber Sounder/Beacon x 1.
Visit: https://gasdetectionwarehouse.co.uk/products/s4s-gaswarden
The S4S Gaswarden gas leak detection system features remote sensors connected to the main control unit via a 3 core cable network. The control unit is an advanced design using the latest technology and provides a high integrity system whilst offering a significant cost saving over conventional gas alarm systems.
Standard sensors for use in commercial and light industrial applications such as laboratories, workshops, boiler plant rooms etc are available for monitoring toxic, flammable, oxygen or refrigerant gases. Each gas sensor continuously monitors the atmosphere for any hazardous conditions, on detection of gas the sensor will indicate the gas level status A1, A2, A3 by LED indication and sounder. Information received by the control panel from the sensor is then displayed, indicating the zone, gas type and alarm status. Alarm levels that are exceeded are then able to activate user selectable relays and appropriate control actions.
**The S4S Gaswarden Boiler Room Package**
• Package includes:
- Gaswarden Control Panel x 1,
- Methane (NG) sensor x 1,
- Carbon Monoxide (CO) x1,
- Amber Sounder/Beacon x 1.
Visit: https://gasdetectionwarehouse.co.uk/products/s4s-gaswarden
Parking Garages and Carbon Monoxide Gas Detectors
Parking garages, Ambulance Stations, Parcel Depots, Maintenance Bays, and other areas that will have vehicles running in an enclosed space must be ventilated to prevent the build-up of carbon monoxide and other dangerous gases (eg; nitrogen dioxide) from vehicle exhaust fumes.
In the past these areas had been fitted with very large ventilation fans that would run 24 hours a day.
Over the past 20 years, we have begun to focus heavily on energy efficiency, and the electricity that is needed to run these big fans at all times is costly and wasteful.
To combat this excess energy usage the industry has developed an alternate strategy to ventilate these enclosed spaces. This involves actually measuring the amount of Carbon Monoxide (CO) or Nitrogen Dioaxide (NO2) in the garage, and only operating the fan at full speed when it is actually necessary.
Building owners can see energy savings of 80-90% when these systems are operated as such.
How do parking garage sensors function?
These sensors operate by electro-chemical reaction. That is, when the sensor is contacted by Carbon Monoxide (CO) or Nitrogen Dioxide (NO2) a change in voltage happens which triggers the fan to activate. As the sensor is contacted by gas over months or years, these chemicals begin to wear out and they no longer trigger the fan at the proper concentration of hazardous gases. For that reason, the manufacturers require that the sensors be calibrated every 6-12 months and replaced every 2-7 years. If this doesn’t happen, then we can either create a safety issue due to gas build up (and therefore a real possibility of people being exposed to high levels of gas), or lose out on energy saving by having the fan read a fault and always operate.
In the field, we are finding that 90+% of the sensors that were installed have never been calibrated, and 50-75% have completely failed and are no longer working at all.
On top of this EH40/2005 (Third Edition) published 2018, guidance has reduced the trigger levels to 30ppm for carbon monoxide whereas older systems had a trigger level of 50ppm.
In our experience, the first thing that HSE will look for in the case of an incident is whether the gas detection system has been maintained and if so where is the paperwork to back it up – they do not accept the excuse that you were not aware of the requirements for testing – the liability is on you.
How are toxic gas detectors calibrated?
Getting these systems up and running again is a fairly inexpensive and painless process. Our technicians will visit the site and assess the quantity, brand, and location of each Carbon Monoxide or Nitrogen Dioxide sensor. They will apply the proper span gases and run through the manufacturer’s calibration procedures. Sensors that pass calibration will have a certificate generated and calibration label affixed. The client is then provided with a calibration report and ongoing operations and maintenance plan for this system
Sensors that do not pass calibration, are expired, or otherwise damaged can easily by replaced with the same brand or upgraded to a modern version. Our field technicians will recommend the most durable and cost-effective solution to the facilities manager.
Parking garages, Ambulance Stations, Parcel Depots, Maintenance Bays, and other areas that will have vehicles running in an enclosed space must be ventilated to prevent the build-up of carbon monoxide and other dangerous gases (eg; nitrogen dioxide) from vehicle exhaust fumes.
In the past these areas had been fitted with very large ventilation fans that would run 24 hours a day.
Over the past 20 years, we have begun to focus heavily on energy efficiency, and the electricity that is needed to run these big fans at all times is costly and wasteful.
To combat this excess energy usage the industry has developed an alternate strategy to ventilate these enclosed spaces. This involves actually measuring the amount of Carbon Monoxide (CO) or Nitrogen Dioaxide (NO2) in the garage, and only operating the fan at full speed when it is actually necessary.
Building owners can see energy savings of 80-90% when these systems are operated as such.
How do parking garage sensors function?
These sensors operate by electro-chemical reaction. That is, when the sensor is contacted by Carbon Monoxide (CO) or Nitrogen Dioxide (NO2) a change in voltage happens which triggers the fan to activate. As the sensor is contacted by gas over months or years, these chemicals begin to wear out and they no longer trigger the fan at the proper concentration of hazardous gases. For that reason, the manufacturers require that the sensors be calibrated every 6-12 months and replaced every 2-7 years. If this doesn’t happen, then we can either create a safety issue due to gas build up (and therefore a real possibility of people being exposed to high levels of gas), or lose out on energy saving by having the fan read a fault and always operate.
In the field, we are finding that 90+% of the sensors that were installed have never been calibrated, and 50-75% have completely failed and are no longer working at all.
On top of this EH40/2005 (Third Edition) published 2018, guidance has reduced the trigger levels to 30ppm for carbon monoxide whereas older systems had a trigger level of 50ppm.
In our experience, the first thing that HSE will look for in the case of an incident is whether the gas detection system has been maintained and if so where is the paperwork to back it up – they do not accept the excuse that you were not aware of the requirements for testing – the liability is on you.
How are toxic gas detectors calibrated?
Getting these systems up and running again is a fairly inexpensive and painless process. Our technicians will visit the site and assess the quantity, brand, and location of each Carbon Monoxide or Nitrogen Dioxide sensor. They will apply the proper span gases and run through the manufacturer’s calibration procedures. Sensors that pass calibration will have a certificate generated and calibration label affixed. The client is then provided with a calibration report and ongoing operations and maintenance plan for this system
Sensors that do not pass calibration, are expired, or otherwise damaged can easily by replaced with the same brand or upgraded to a modern version. Our field technicians will recommend the most durable and cost-effective solution to the facilities manager.
Case Study:
We were recently called to Repton Sports Centre in Derbyshire to quote for a replacement gas detection system - to replace an obsolete system that the manufacturer was wanting over £1000.00 just to turn up and look at!
We supplied, installed and commissioned one of our S4S Guardian 1 control systems complete with our Guardian Point Chlorine (CL2) gas sensor.
Two weeks after being installed there was a major incident where Chlorine gas was released causing several people to be treated for the effects of Chlorine.
If you would like a quote for a service of your existing system or to supply install and commission a new system please contact us for a no obligation quotation.
We are able to offer Maintenance contracts on all types and makes of gas detection including (but not limited to) Crowcon Detection Instruments, Drager, GDS Technologies, GMI, Honeywell, IGD, MSA, Seitron, Sensitron, Oldham & Zellweger.
As an experienced gas detection maintenance service provider, Sensors for Safety Ltd provides a streamlined management structure and delivers increased efficiency and value for money.
We were recently called to Repton Sports Centre in Derbyshire to quote for a replacement gas detection system - to replace an obsolete system that the manufacturer was wanting over £1000.00 just to turn up and look at!
We supplied, installed and commissioned one of our S4S Guardian 1 control systems complete with our Guardian Point Chlorine (CL2) gas sensor.
Two weeks after being installed there was a major incident where Chlorine gas was released causing several people to be treated for the effects of Chlorine.
If you would like a quote for a service of your existing system or to supply install and commission a new system please contact us for a no obligation quotation.
We are able to offer Maintenance contracts on all types and makes of gas detection including (but not limited to) Crowcon Detection Instruments, Drager, GDS Technologies, GMI, Honeywell, IGD, MSA, Seitron, Sensitron, Oldham & Zellweger.
As an experienced gas detection maintenance service provider, Sensors for Safety Ltd provides a streamlined management structure and delivers increased efficiency and value for money.
On a recent install of our S4S Guardian addressable gas detection system the spec for the job changed several times. With a conventional system this would have been a major problem, but with the advanced design of the S4S Guardian addressable system the changes required were very simple to administer.
The system: 15pt Natural Gas system for a large Hotel covering areas where the gas pipe runs through various rooms in to kitchens.
The install required over 200 metres of cable - a conventional gas detection system would have been nearer to 1000 metres.
The spec changed part way through the install where it was decided that each area required its own beacon if gas is detected in that area. We were able to utilise the sensor network to install addressable relays to indicate when sensors in a particular area where triggered. Again this saved 100's of metres of extra cable and all the man hours required to install.
The system: 15pt Natural Gas system for a large Hotel covering areas where the gas pipe runs through various rooms in to kitchens.
The install required over 200 metres of cable - a conventional gas detection system would have been nearer to 1000 metres.
The spec changed part way through the install where it was decided that each area required its own beacon if gas is detected in that area. We were able to utilise the sensor network to install addressable relays to indicate when sensors in a particular area where triggered. Again this saved 100's of metres of extra cable and all the man hours required to install.
Senko SGT single gas detector is the latest gas detection monitor to be added to our online store.
The Senko SGT is a low cost fully featured 2 year single gas monitor for the following gases:
Oxygen
Carbon Monoxide
Hydrogen Sulphide
Hydrogen
Ammonia
Sulphur Dioxide
HIGHLIGHTS :
• Lightweight & Compact
• Stores up to 30 events
• Maintenance Free
• 2 years of use
• IP-67
• Fast bump tests with Docking Station
• Visual, Acoustic and Vibration alarms
To launch our new product we are currently offering special discounts - either call our friendly sales team on 01423 206360 or visit our website @ https://store.sensorsforsafety.co.uk/products/senko-sgt-single-gas-detector for more details and to buy directly.
The Senko SGT is a low cost fully featured 2 year single gas monitor for the following gases:
Oxygen
Carbon Monoxide
Hydrogen Sulphide
Hydrogen
Ammonia
Sulphur Dioxide
HIGHLIGHTS :
• Lightweight & Compact
• Stores up to 30 events
• Maintenance Free
• 2 years of use
• IP-67
• Fast bump tests with Docking Station
• Visual, Acoustic and Vibration alarms
To launch our new product we are currently offering special discounts - either call our friendly sales team on 01423 206360 or visit our website @ https://store.sensorsforsafety.co.uk/products/senko-sgt-single-gas-detector for more details and to buy directly.
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