HALO 3 NH3

Trace-level ammonia

Applications

  • Gaseous CRMs & Calibration Gas Mixtures
  • High-Purity Gases & Systems
  • Hydrogen Fuel Cells
  • Research & Development
  • Syngas & Fuel Gas Production
Detection and Matrix Range LDL (3σ) Precision (1σ) @ zero
NH3 in N20 – 7 ppm400 ppt150 ppt
NH3 in H20 – 6 ppm300 ppt100 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) ± 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
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 ∼1 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 34 lbs (15.4 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)
Certification CE Mark
Patents
U.S. Patent #7,277,177  
   
*Analysis in some specialty gases and certain
applications may require a vacuum pump for operation.
Please contact us to discuss your specific requirements.
 
Title / Description

HALO 3 NH3 Brochure (PDF)

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Advanced Spectroscopic Solutions for Fuel Cell Hydrogen Analysis (PDF)

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