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HALO H2

Categories: Gases, Process, Specialised Products,
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Leading choice for ultra-high purity gas users

Detect gas quality upsets before they damage your process. Using Tiger Optics’ HALO H2 hydrogen analyzer, you can verify H2impurity levels with part-per-billion accuracy, drift-free stability and instantaneous response. The HALO H2 is 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 oxygen to cleanly and safely convert hydrogen to moisture, the HALO H2 offers a fully laser-based solution for continuous quality control of your process.

The HALO H2 offers:

  • Low parts-per-billion (ppb) detection capability
  • Extremely fast speed of response
  • Wide dynamic range
  • Absolute measurement (freedom from need for calibration gases)
  • Low maintenance and cost of ownership
  • Compact, portable package, ideal for both fixed and mobile cart installation
  • Direct measurement in many matrices, including oxygen.

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
H2 in N2 0 – 500 ppm 8 ppb 3 ppb
H2 in Ar 0 – 200 ppm 6 ppb 2.0 ppb
H2 in He 0 – 125 ppm 4 ppb 1.5 ppb
H2 in O2 0 – 250 ppm 50 ppb
(dry-down limited)
1.5 ppb
H2 in Clean Dry Air (CDA) 0 – 450 ppm 20 ppb
(dry-down limited)
2.5 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) ± 4% 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, 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 slpm (± 20%)
Sample gases Most inert matrices
Gas temperature Up to 60°C
Utility gas supply* Mixture of 1% O2, 99% N2 with ~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
Alarm indicators 2 user programmable, 1 system fault, Form C relays
Power requirements 90 − 240 VAC, 50/60 Hz
Power consumption 200 Watts max.
Signal output Isolated 4−20 mA
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 • U.S. Patent # 7,255,836
*O2/N2 supply (maximum 10 ppm H2O and H2
impurity) is required for sample conditioning
via catalytic conversion.

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