H2Scan HY-OPTIMA 700B Series Process Hydrogen Analyzer

H2Scan HY-OPTIMA 700B Series Process Hydrogen Analyzer in-line, real-time hydrogen-specific process analyzers are designed for ease of use, interface flexibility, and true process control. The HY-OPTIMA™ 700B series is a Process Hydrogen Analyzer with solid-state sensor that is configured to operate in process gas streams with temperatures up to 60ºC.

The HY-OPTIMA™ 700B series is ideal for hydrogen production and petrochemical applications where real-time measurements can enhance process plant efficiencies, diagnostics, and maintenance management.

H2Scan HY-OPTIMA 700B Applications

The HY-OPTIMA™ 700B Series inline hydrogen process analyzer is ideal for gas streams where real-time, hydrogen-specific measurements can enhance process plant efficiencies, improve yields, and reduce maintenance costs:

Fuel Cells
H2 measurement on both anode and cathode side

Natural Gas
H2 in natural gas or biomethane

Industrial Gas Supply and Hydrogen Production

  • Air separation
  • Steam methane reforming
  • Electrolysis process streams


  • Research applications


  • Metals annealing
  • Semiconductors
  • Oil hydrogenation

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H2Scan HY-OPTIMA 700B Advantages

  • Highly reliable
  • Real time, continuous hydrogen measurement
  • Low life cycle cost
  • Tolerant of many harsh background contaminants
  • Easy to install and operate
  • No reference or carrier gases required
  • Minimal maintenance required
  • Non-consumable solid-state technology
  • No cross-sensitivity to combustible gases
  • Field-configurable settings

Configuration Details

  • Verification Interval: 90 days
  • Product Life Expectancy: 10 Years
  • Field Calibration: Yes
  • Pressure: 0-2 bar gauge, 0-29.4 psi gauge
  • Operating Humidity: < 95% RH (non condensing)
  • Flow Rate: 0.1 to 10 slpm
  • Process Gas Temperature: -20ºC to 60ºC
  • Operating Temperature: -20ºC to 40ºC
  • Storage Temperature: -30ºC to 50ºC
  • Output Signals:
    • Analog: 4 to 20mA (or user specific mA) or 0 to 5 VDC (or user specific VDC)
    • Serial: RS232 or RS422
    • Relay Contacts1,2: 1A/30VDC SPDT
  • Input Voltage: 10 VDC – 26 VDC
  • Input Power: 15W
  • Dimensions: 9.3in (L) x 3.4in (W) x 1.4in (D)
  • Adapter Fitting: ½ in. MNPT
  1. Two programmable relays with both normally open (N.O.) and normally closed (N.C.) contacts.
  2. One programmable relay with normally closed (N.C.) contact only.

Product Selections

The HY-OPTIMA™ 700B Series product family includes sensor types that are designed for specific hydrogen ranges, corrosive gas tolerances and operation when no hydrogen is present. See the guide below for more details.HY-OPTIMA™ is a registered Trademark of H2scan. Specifications subject to change without prior notice.

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