Flame and Gas Detection

MSA Safety has appointed Seraya Engineering for the distribution range of the MSA/Sierra Monitor flame and gas detection system in Singapore territory.

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The MSA/Sierra Monitor combustible and toxic gas detectors have received the industry's highest performance and safety certifications. Our gas detectors detect hundreds of toxic/dangerous gases and come with various advanced technologies that make our gas detection system reliable and simple to use.

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Engineers and Businesspeople

Found in 1978, Sierra Monitor Corporation has over 40 years of expertise in designing, manufacturing, and selling advanced hazardous fire and gas detection systems to customers worldwide. Since its beginnings, Sierra Monitor has merged information and instrumentation technology to deliver comprehensive solutions to protect life and assets.

Today, thousands of sites in the oil & gas, government, pharmaceutical, building/construction, manufacturing, utility segments, and aerospace utilize MSA/SMC-branded controllers and gas sensors to protect life and assets.

Our products Approvals and Standards:

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We have a large selection of gas sensors and controllers for various detection applications to meet your every needs.

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SMC 5100 Series Combustible Monitor

The SMC 5100-02-IT gas sensor monitors combustible gases such as Methane, Hydrogen, Propane, and others. It is based on catalytic bead technology, a consistent and reliable method of detection that offers excellent response times to the target gases. The 5100-02-IT sensor offers multiple communication outputs including 4-20 mA and Modbus RTU.

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SMC 5100 Series Toxic Gas Detector

The SMC 5100-XX-IT gas detector monitors toxic gases such as Hydrogen Sulfide, Carbon Monoxide, Nitrogen Dioxide, Ammonia, Oxygen Deficiency, and others. The detector requires calibration only every six months, cutting operating costs and time. As part of the SMC Sentry IT platform, the detector can be remotely diagnosed and calibrated via Remote Sensor Capability.

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SMC 4501 Series Toxic Gas Detector

The SMC 4501-XX Detector monitors toxic gases such as Hydrogen Sulfide, Carbon Monoxide, Oxygen Deficiency, Chlorine Dioxide, and others. Utilizing 2-wire loop-powered technology, the 4501-XX requires less wiring, leading to better protection from wiring errors. The 4501-XX requires minimal maintenance with a 6-month calibration cycle and continuous self-diagnostics.

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IR5500 Open Path Infrared Gas Detector

The IR5500 is an open path infrared (IR) gas detector that continuously monitors for flammable gas leaks over large open areas. It monitors in both the LEL-m and ppm-m ranges to detect both small and large leaks. The IR5500 offers the benefits of early detection with its high sensitivity to gas concentrations at the ppm levels.  This feature allows it to alarm faster than an LEL-only detector. Digital display and adjustable mounting arms ensure easy alignment. Factory calibrated for low-maintenance operation.

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FL500 UV/IR Flame Detector

The FL500 UV/IR Flame Detector monitors for radiation emitted by a flame in both the ultraviolet (UV) and infrared (IR) spectral ranges. This UV/IR combination provides a fast response time and increased false alarm immunity against sources of radiation for reliable protection.

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SMC 3200/3300 UV/IR
Wet Bench Flame Detectors

Ideally suited for areas where a short line of sight is a factor. The SMC 3200/3300 Series Flame Detectors utilize proven, stable UV/IR technology to continuously monitor for flames in wet bench and commercial applications. Due to its compact size, it is also used for installation in certain production equipment. The detectors can detect gasoline (heptane), polypropylene, isopropyl alcohol, MEK, hydrogen and silane fuel sources.

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9010/9020 SIL Control System 

9010/9020 SIL controller offers a maximum flexibility in conjunction with a wide variety of detectors. It operates with either one (9010) or two (9020) independent channels per control module which makes it logically independent, highly economical and therefore best suited for smaller gas detection
installations. The dual channel capability allows a high density packaging of up to 20 points in a single 19” rack.


Its new SIL compliant design offers a higher safety function to increase the protection level for facilities and people.
A high level of reliability is ensured as each control module is fitted with an independent AC/DC power supply unit and
logic circuit with software validated according to ATEX Directive.

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SMC Model 4001 Controller

The SMC Model 4001 Controller is a comprehensive hazardous gas detection monitoring system born with the flexibility and features that meet your specific applications. SMC has been a leader in hazardous gas detection technology for over 30 years and this latest generation of controller is designed for today’s detection environments requiring intelligent network interface, minimal maintenance, comprehensive diagnostic information, smart sensor communications and easy to install interconnections.

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Chillgard® 5000 Refrigerant Leak Monitor

The Chillgard 5000 Refrigerant Leak Monitor provides the earliest level of detection of costly refrigerant gas leaks in mechanical equipment rooms. Sampling system with patented photoacoustic infrared (PAIR) technology detects leaks as low as 1 part per million (ppm). Intuitive, touchscreen user interface makes it easy to operate. Predictive maintenance and diagnostics keep you operational.

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Chillgard® VRF Refrigerant Leak Detector

The Chillgard VRF Refrigerant Leak Detector is the first industry detector for Variable Refrigerant Flow Systems (VRF) with integrated BACnet capability. Therefore, it can be directly connected with any Building Management system (BMS). MSA applies its proven Photoacoustic infrared sensing technology that provides a stable zero baseline, minimizes cross-sensitivities and offers a low cost of ownership through minimum maintenance required.

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Bacharach’s MGS-450 Gas Detector

MSA Bacharach’s MGS-450 Gas Detector makes compliance with refrigeration safety codes simple and easy, saving time and money on equipment and installation. Using the MGS-400 App, users can intuitively use, commission and maintain their gas detection system without the need for specialty training or tools. Pre-calibrated sensor modules simplify maintenance, take minutes to exchange and do not require the use of calibration gas. 

Seraya Engineering Pte Ltd

2 Jurong East Street 21

#04-23, IMM Building

Singapore 609601

Tel: +65 6963 8109

sales@serayaengineering.com

Installation & Deployment

Calibration Services

On-site Commissioning Services

Maintenance Service Contract

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