LaserTrace 3 H2O

Ultimate performance for ppt-level moisture detection

Applications

  • Gaseous CRMs & Calibration Gas Mixtures
  • High-Purity Gases & Systems
  • Research & Development
Detection and Matrix Range LDL (3σ) Precision (1σ) @ zero
H2O in N20 – 5 ppm200 ppt70 ppt
H2O in He0 – 1 ppm100 ppt17 ppt
H2O in Ar0 – 2 ppm100 ppt30 ppt
H2O in H20 – 4 ppm150 ppt50 ppt
H2O in O20 – 2.5 ppm100 ppt40 ppt
H2O in CO20 – 10 ppm800 ppt300 ppt
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 < 3 minutes to 95%
Environmental conditions 10°C to 40°C, 30% to 80% RH (non-condensing)
Storage temperature -10°C to 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 10 − 125 psig (1.7 − 9.6 bara)
Flow rate 0.5 – 1.8 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)
H2O sensor 7" x 4.75" x 27" (178 mm x 121 mm x 686 mm)
Sensor rack
(fits 4 H2O sensors or 1 H2O and 1 O2 sensor)
8.75" x 19" x 27" (222 mm x 483 mm x 686 mm)
Weight
Electronics unit 32 lbs (14.5 kg)
H2O 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
  10/100 Base-T Ethernet, 2 USB ports, RS-232
Patents
U.S. Patent # 7,277,177  
Title / Description

LaserTrace 3 H2O and O2 Brochure (PDF)

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