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LaserTrace 3 CH4

Categories: Gases, Process, Specialised Products,
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Delivering your best measurement

Detect gas quality upsets before they can damage your processes. Using Tiger Optics’ LaserTrace 3 CH4, you can verify impurity levels with part-per-trillion accuracy, drift-free stability, and virtually immediate response. You’ll find our system exceptionally easy and fast to install, and effortless to maintain, with built-in zero verification. The LaserTrace 3 CH4 sensor detects trace methane to measurements ensure gases meet specifications or to alarm when critical processes are at risk, such as in silicon crystal manufacturing, where methane can alter wafer electrical properties. It measures in bulk gases, specialty gases, and gas mixtures. And its robust design – free of moving parts – results in an analyzer that has a high Mean Time Between Failure (MTBF) rate and a very low Cost of Ownership (CoO).

Designed for trace level methane analysis, the LaserTrace 3 CH4 offers:

  • Industry-leading parts-per-trillion detection capability
  • Unprecedented speed of response
  • Widest available dynamic range
  • Absolute measurement (freedom from calibration gases)
  • Flexibility: up to four (4) measurement points per electronics module
  • Extremely low cost of ownership
  • Electronics module compatible with existing LaserTrace sensor modules

Applications

  • Gaseous CRMs & Calibration Gas Mixtures
  • High-Purity Gases & Systems
  • Research & Development

Industries

Laboratory & Scientific

Stack, Process & CEMS

Detection Capability

Detection and Matrix Range LDL (3σ) Precision (1σ) @ zero
CH4 in N2 0 – 8 ppm 0.8 ppb 0.3 ppb
CH4 in He 0 – 5 ppm 0.5 ppb 0.2 ppb
CH4 in Ar 0 – 7 ppm 0.7 ppb 0.25 ppb
CH4 in H2 0 – 8 ppm 0.8 ppb 0.3 ppb
CH4 in O2 0 – 5 ppm 0.5 ppb 0.2 ppb

Specifications

Performance
Operating range See Detection Capability table
Detection limit (LDL, 3σ/24h) See Detection Capability table
Precision (1σ, greater of) ± 0.75% or 1/3 of LDL
Accuracy (greater of) ± 3% or LDL
Speed of response < 1 minute to 95%
Environmental conditions 10°C − 40°C, 30% − 80% RH (non-condensing)
Storage temperature -10°C − 50°C
Gas Handling System and Conditions
Wetted materials 316L stainless steel (optional corrosion-resistant material), 10 Ra surface finish
Gas connections 1/4” male VCR inlet and outlet
Leak tested to 1 x 10-9 mbar l / sec
Sample inlet pressure 30 − 125 psig (3.1 − 9.6 bara)
Flow rate 0.9 – 3.9 slpm (gas dependent)
Sample gases Most inert, toxic, passive and corrosive matrices
Gas temperature Up to 60°C
Dimensions, H x W x D
Electronics unit 14″ x 19″ x 14″ (356 mm x 483 mm x 356 mm)
Standard sensor 7″ x 4.75″ x 27″ (178 mm x 121 mm x 686 mm)
Sensor rack (fits up to four standard sensors) 8.75″ x 19″ x 27″ (222 mm x 483 mm x 686 mm)
Weight
Electronics unit 32 lbs (14.5 kg)
Standard sensor 38 lbs (17.2 kg)
Electrical
Alarm indicators User programmable setpoints (1 per sensor), Form C relays
Power requirements 90 − 240 VAC, 50/60 Hz
Power consumption 200 Watts max.
Signal output Isolated 4−20 mA per sensor
User interfaces 10.4” LCD touchscreen, PS/2 for mouse and keyboard
User interfaces 10/100 Base-T Ethernet, 2 USB ports, RS-232
Patents
U.S. Patent #7,277,177

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