HALO KA H2O

Part-per-trillion detection limits for H2O

Applications
  • High-Purity Gases & Systems
  • Research & Development
Detection and Matrix Range LDL (peak-to-peak) Sensitivity (3σ)
H2O in N20 – 20 ppm400 ppt300 ppt
H2O in He0 – 4 ppm200 ppt60 ppt
H2O in Ar0 – 9 ppm200 ppt130 ppt
H2O in H20 – 16 ppm300 ppt200 ppt
H2O in O20 – 10 ppm200 ppt150 ppt
H2O in CO20 – 25 ppm1.0 ppb0.8 ppb
H2O in 1% GeH4/99% H20 – 16 ppm10 ppb7 ppb
H2O in 10% GeH4/90% H20 – 16 ppm50 ppb35 ppb
Performance
Operating range See Detection Capability table
Detection limit (LDL, 24 h peak-to-peak) See Detection Capability table
Sensitivity (3σ) See Detection Capability table
Precision (1σ, greater of) ± 0.75% or 1/3 of Sensitivity
Accuracy (greater of) ± 4% or 1/2 of 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 Hastelloy®), 10 Ra surface finish
Gas connections 1/4” male VCR inlet and outlet
Leak tested to 1 x 10-9 mbar l / sec
Inlet pressure 10 − 125 psig (1.7 − 9.6 bara)
Flow rate 0.05 – 1.8 slpm
Sample gases Most inert, toxic, passive and corrosive matrices
Gas temperature Up to 60°C
Dimensions, H x W x D
Standard sensor 8.73" x 8.57" x 23.6" (222 mm x 218 mm x 599 mm)
Sensor rack (fits up to two sensors) 8.73" x 19.0" x 23.6" (222 mm x 483 mm x 599 mm)
Weight
Standard sensor 28 lbs (12.7 kg)
Electrical
Alarm indicators 2 user programmable, 1 system fault, Form C relays
Power requirements 90 − 240 VAC, 50/60 Hz
Power consumption 40 Watts max.
Signal output Isolated 4−20 mA per sensor
User interfaces 5.7” LCD touchscreen, 10/100 Base-T Ethernet, RS-232
  802.11g Wireless (optional), Modbus TCP (optional)
Patents
U.S. Patent #7,277,177  
Title / Description

HALO KA H2O Brochure (PDF)

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Tiger Optics Takes on the Servomex DF-749

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Moisture Measurement Best Practices Review

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