Sewerin EX-TEC PM 400 Multi-Gas Detection System
The Sewerin EX-TEC PM 400 is a compact, portable multi-gas detector designed for those requiring reliable gas detection in demanding environments. Engineered by Sewerin, a leading manufacturer of leak detection technology, this device combines precision detection with user-friendly operation.
The EX TEC PM 400 provides immediate alerts for dangerous gas concentrations, helping protect workers and facilities from potential hazards. Its responsive sensors can detect multiple gas types, making it an essential safety tool for utility companies, network operators, fire services, plumbers, and other technical personnel.
With certified explosion protection and a rugged design built for daily use in challenging conditions, the EX-TEC PM 400 delivers the performance professionals depend on.
Features & Benefits
Ex Tec Key Features and Advantages
Multi-Gas Detection Capabilities
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Safety professional using EX-TEC PM 400 to detect gas leaks in an industrial setting
Monitors up to four different gas types simultaneously when fully equipped
- Standard methane detection with selectable calibration for propane, nonane, acetylene, hydrogen, and JFUEL
- Optional sensors for carbon dioxide, carbon monoxide, and oxygen
- Measuring ranges optimized for workplace safety applications
Superior Ergonomics and Usability
- Non-slip, partially rubberized housing fits securely in the hand for comfortable extended use
- High-contrast 2.5" transflective screen remains readable even in bright sunlight
- Intuitive 4-key control panel allows easy navigation through all functions
- Dedicated power button prevents accidental activation of other functions
- One-handed operation is suitable for both right and left-handed users
- Practical belt clip and short probe for ergonomic handling
Advanced Safety Features
- Audible and visual alerts with pre-alarm and main alarm functions
- Intelligent device inspection wizard simplifies regular testing
- A transparent seal on the dust filter allows quick identification of contamination
- Pump alarm triggers if the hydrophobic filter contacts water
- Certified passive and active explosion protection (TÜV 17 ATEX 171969 X)
Flexible Power Management
- Operates with standard AA-size rechargeable NiMH batteries or disposable alkaline batteries
- Up to 11 hours of continuous operation on a single charge (standard configuration)
- Approximately 5 hours of charging time for a full battery recharge
Specifications
Technical Specifications
Physical Characteristics
- Dimensions: 93 × 47 × 165 mm (without belt clip); 93 × 65 × 165 mm (with belt clip)
- Weight: Approximately 500 g (523 g with belt clip, varies with sensor configuration)
- Protection rating: IP65 (dust-tight and protected against water jets)
- Display: Monochromatic TFT, 380 × 224 pixels, 56 × 33 mm viewing area
Operating Parameters
- Operating temperature: -20°C to 40°C
- Storage temperature: -25°C to 60°C (without EC sensor); -25°C to 40°C (with EC sensor)
- Atmospheric pressure range: 700 to 1200 hPa
- Relative humidity: 5% to 95% r.h., non-condensing
- Pump capacity: >150 mbar vacuum; >10 l/h volume flow
Sensor Specifications
- Catalytic combustion sensor for flammable gases (0-100% LEL)
- Optional infrared sensor for carbon dioxide (0.00-5.00% vol. CO₂)
- Optional electrochemical sensor for carbon monoxide (0-500 ppm CO)
- Optional electrochemical sensor for oxygen (0.0-25.0% vol. O₂)
Certification
- TÜV 17 ATEX 171969 X / IECEx TUN 17.0027 X
- II2G Ex ia db eb IIC T4 Gb (when using battery holder PM05-B0300)
- BVS 19 ATEX G 002 X / PFG 19 G 004 X
- Measuring function certified for methane (CH₄), propane (C₃H₈)
- Measuring function certified for oxygen (O₂)
Downloads
Options
Accessories and Optional Equipment
Sensor Options
- Standard catalytic combustion sensor for methane
- Selectable calibration for propane, nonane, acetylene, hydrogen, and JFUEL
- An optional infrared sensor for carbon dioxide detection
- Optional electrochemical sensors for carbon monoxide and oxygen
Test and Maintenance Equipment
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EX-TEC PM 400 complete kit with carrying case and accessories for gas detection
SPE AutoFlow test set for sensor verification
- HG5 L-BOXX carrying case for secure storage and transport
- ATS 501/503 automatic calibration station (sold separately)
- GasCom software for measurement data readout and device configuration
Probe Accessories
- Standard short probe included
- Additional specialized probes are available for different applications
- Complete range of SEWERIN probes compatible with the system
Power Options
- Rechargeable NiMH batteries (2500 mAh)
- Disposable alkaline batteries
- Battery charging adapter (12V DC)
Applications
Industry Applications
Gas Utility and Pipeline Operations
- Gas leak detection in distribution networks
- Safety verification during maintenance operations
- Monitoring gas concentrations during repairs
- Pre-entry testing of confined spaces
Industrial Safety
- Detection of leaks in gas and heating systems
- Monitoring gas concentrations near acetylene welding systems
- Safety verification around industrial equipment
- Hazardous area assessments
Fire and Emergency Services
- Gas presence verification during emergency response
- Safety monitoring during incident management
- Building safety checks following gas-related incidents
- Preventive safety inspections
Aviation and Specialized Applications
- Verification of gas-free conditions in aviation fuel tanks
- Safety calibration with nonane
- Hydrogen detection in battery storage areas
- Monitoring gas concentrations in specialized industrial settings
