TDL 300 | Tunable Diode Laser
Handheld Gas Detector
- ICI’s TDL 300 (Tunable Diode Laser) is an innovative portable and hand held system which allows methane gas (CH4) to be detected at distances of up to 25 m at a volume as small as 5 pmm.m.
- Methane leaks are located by pointing the laser beam towards the suspected leak, or along the survey line.
- Detects methane by emitting infrared light and examining reflected light density.
- Our TDL 300 detector is ideal for use in industrial, commercial and research environments where it can go any where an inspector can and beyond!

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Unmatched gas detection
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Visual and audible alarm
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High stability
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Fast response
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Low power consumption
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Compact/portable
Specifications
- Target Gas: Methane (CH4)
- Sensitivity:
Distance ≤ 10 m, Sensitivity: 5 ppm.m
Distance ≤ 25 m, Sensitivity: 10 ppm.m - Measurement Range: 0 pmm.m to 50,000 pmm.m
- Detection Distance: 80 m
- Minimum Resolution: 5 ppm.m
- Response Time: T90 < 0.05S
- Operation Range: -20 °C to 50 °C
- Storage Range: -20 °C to 60 °C
- Humidity: 0 % ~ 99 % RH (non-condensing)
- Power: DC 3.7V
- Battery: LIC18650-22, 3 Batteries
- Operation Time: 8 continuous hours
- Weight (with battery): 1300 kg
- Screen: LCD
- Explosion-Proof: Type Intrinsically Safe
- Explosion-Proof Grade: EX ib IIB T4 Gb
- IP Rating: IP 54
- Alarming Method: visual and audible alarm
- Alarm Threshold: Adjustable
- Laser: Detection Class 1, Spotter Class 3R
- Battery charger
- Shoulder strap
Downloads
- Ici Tdl 300 Data Specifications×[contact-form-7 404 "Not Found"]
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- Ici Tdl 300 Operational User Manual×[contact-form-7 404 "Not Found"]
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Options / Accessories
- IR Flash Software
- Windows 32-bit SDK
- Linux SDK (x86, x64 and ARM)
Functions
- Methane detection
- Gas leak detection
- Handheld applications
- Pipeline inspections
- Industrial monitoring
- Petrochemical monitoring
- Scientific research
- Research & development
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