Fixed Gas Detection Products
Sensidyne SensAlarm Flex Gas Detection Station
Sensidyne SensAlarm Flex Gas Detection Station
The Sensidyne SensAlarm FLEX is a complete, all-in-one fixed gas detection system designed for hazardous and industrial environments. It combines a controller, display, horn, strobe, and intelligent sensor interface in a single NEMA 4X-rated enclosure.
Compatible with Sensidyne Plus Series sensors, it supports up to two local or remote sensors and includes Modbus (TCP or RS-485) and 4–20 mA outputs for flexible integration. The 7-inch colour LCD display, integrated 95 dB horn, and configurable multi-colour LED strobes provide clear, local indication of alarms and status.
Ideal for laboratories, storage rooms, industrial workspaces, and process facilities, SensAlarm FLEX simplifies installation, configuration, and ongoing maintenance with non-intrusive controls and auto-configuring sensor modules.
- Free technical support included
- Complimentary product training available
- Free on-site or virtual demonstration offered
Technical Details
Specifications
- Detection method: Compatible with Sensidyne Plus Series intelligent sensors
- Measured gases: Toxic, flammable, and oxygen gases (sensor dependent)
- Sensor capacity: 1 or 2 local or remote sensors (up to 100 ft away)
- Outputs: 4–20 mA, RS-485 Modbus RTU, or Modbus TCP (Ethernet)
- Relays: 4 standard SPDT (up to 6 A), optional 4 additional
- Alarms: Integrated 95 dB horn, LED strobe (4 configurable modes), optional external stack light
- Display: 7” colour LCD, password-protected configuration
- Power supply: 100–240 VAC (GP), 20–30 VDC (GP or HazLoc), optional battery backup
- Operating temperature: –20 °C to +50 °C
- Humidity: 0–90 % RH (non-condensing)
- Enclosure rating: NEMA 4X, wall mount
- Ingress protection: Indoor/outdoor rated
- Construction: Polycarbonate housing with aluminium, PVC, or stainless sensor head options
- Dimensions: 8 × 10 × 6 in (20.3 × 25.4 × 15.2 cm)
- Weight: 5.5–11 kg (depending on configuration)
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Certifications: • ATEX II 3 [1] G Ex ic nA nC [ia Ga] IIC T4 Gc
IECEx II 3 [1] G Ex ic nA nC [ia Ga] IIC T4 Gc
NEC/CEC Class I Div 1–2, Class II Div 1–2, Class III
CE, TUV
Key Features
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Complete gas detection system: Controller, horn, strobe, and display in one enclosure
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Flexible configuration: Supports one or two local/remote sensors up to 100 ft
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Advanced communication: Modbus TCP or RS-485 RTU with 4–20 mA output
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Built-in alarms: 95 dB horn and multi-colour LED strobes for local indication
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Hot-swappable sensors: Plug-and-play calibration with Sensidyne Plus Series sensors
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Non-intrusive setup: Configure, calibrate, and maintain without opening the housing
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Rugged and weatherproof: NEMA 4X enclosure for indoor/outdoor use
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Battery backup option: Ensures operation during power outages
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Hazardous area certified: ATEX, IECEx, and North American approvals
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Ideal applications: Labs, control rooms, gas cylinder storage, and industrial plants
Industry Applications
The SensAlarm FLEX HazLoc system is used in industrial plants, laboratories, chemical processing, and gas storage facilities requiring a robust, self-contained gas detection solution. Its plug-and-play sensor system and built-in alarms make it ideal for both standalone and networked monitoring, offering dependable protection in Class I, Div 1 and Div 2 hazardous locations.
