HALO OK

Leading choice for ultra-high purity gas users

Detect gas quality upsets before they damage your process. Using Tiger Optics’ HALO OK oxygen analyzer, you can verify oxygen impurity levels with part-per-trillion accuracy, drift-free stability and instantaneous response. You’ll find our system exceptionally easy and fast to install, and effortless to maintain, with built-in zero verification. 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).

With its patented catalytic conversion technique, utilizing a minute amount of hydrogen to cleanly and safely convert oxygen to moisture, the OK offers a fully laser-based solution for Continuous Quality Control of your process. Based on powerful Cavity Ring-Down Spectroscopy, the HALO OK aligns with the SEMI F-112 standard for moisture dry-down characterization of gas systems. Pair the new HALO OK with our HALO KA for ppt-level moisture measurement to enjoy the many advantages of profit-boosting CRDS technology for both critical contaminants.

Applications

  • Gas Quality Control
  • Gaseous CRMs & Calibration Gas Mixtures
  • High-Purity Gases & Systems
  • Hydrogen Fuel Cells
  • Research & Development

Detectie

Detection and Matrix Range LDL (3σ) Precision (1σ) @ zero
Standard Model
(using pure H2 utility gas)
O2 in He 0 – 0.5 ppm 50 ppt 17 ppt
O2 in Ar 0 – 1 ppm 90 ppt 30 ppt
O2 in H2 0 – 2 ppm 150 ppt 50 ppt
O2 in N2 0 – 2.5 ppm 200 ppt 70 ppt
CO2 Model
(using pure H2 utility gas)
O2 in He 0 – 0.5 ppm 50 ppt 17 ppt
O2 in Ar 0 – 1 ppm 90 ppt 30 ppt
O2 in H2 0 – 2 ppm 150 ppt 50 ppt
O2 in N2 0 – 2.5 ppm 200 ppt 70 ppt
O2 in CO2§ 0 – 5 ppm 5000 ppt 300 ppt
Enhanced Safety Model
(using 3% H2/97% N2
mixture utility gas)
O2 in He 0 – 0.5 ppm 400 ppt 17 ppt
O2 in Ar 0 – 1 ppm 400 ppt 30 ppt
O2 in H2 0 – 2 ppm 400 ppt 50 ppt
O2 in N2 0 – 2.5 ppm 400 ppt 70 ppt
LDL is dependent upon the
quality of the sample gas
and the integrity of
the sampling system.
LDL is limited by minimum
achievable O2 concentration,
not by 3σ baseline noise.

Specificaties

Performance
Operating range See Detection Capability table
Detection limit (LDL, 3σ/24h) 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, 10 Ra surface finish
Leak tested to 1 x 10-9 mbar l / sec
Gas connections 1/4” male VCR inlet and outlet
Sample inlet pressure 10 − 125 psig (1.7 − 9.6 bara)
Sample flow rate 0.5 – 1.8 slpm (gas dependent)
Sample gases Most inert matrices
Gas temperature Up to 60°C
H2 supply requirements* ~15 sccm, 20 − 125 psig
Dimensions, H x W x D
Standard sensor 8.73″ x 19.0″ x 23.6″ (222 mm x 483 mm x 599 mm)
Weight
Standard sensor 45 lbs (20.4 kg)
Electrical and Interfaces
Platform Max series analyzer
Alarm indicators 2 user programmable, 1 system fault, Form C relays
Power requirements 100 − 240 VAC, 50/60 Hz
Power consumption 450 Watts max.
Signal output Isolated 4−20 mA
User interfaces 5.7” LCD touchscreen, 10/100 Base-T Ethernet
USB, RS-232, RS-485, Modbus TCP (optional)
Data storage Internal or external flash drive
Certification CE Mark
Patents
U.S. Patent #7,277,177 • U.S. Patent # 7,255,836
*H2 supply (maximum 10 ppm H2O and O2
impurity) is required for sample conditioning
via catalytic conversion.
LDL is dependent upon the quality of the sample
gas and the integrity of the sampling system.

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