



HY-OPTIMA® 700B Series Process Hydrogen Analyzer
General Use Inline Hydrogen Process Analyzer
- Solid state sensor for durability
- Wide range of operating temperatures
- Zero maintenance
Applications
H2scan’s HY-OPTIMA® 700B series 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 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. 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
- Laboratory
- Research applications
- Manufacturing
- Metals annealing
- Semiconductors
- Oil hydrogenation
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
- Two programmable relays with both normally open (N.O.) and normally closed (N.C.) contacts.
- One programmable relay with normally closed (N.C.) contact only.
Product Selection
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.
Model | 710B | 720B | 730B | 740B |
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Hydrogen Range Low | 0.1% | 0.4% | 0.5% | 0.5% |
Hydrogen Range High | 10% | 5% | 100% | 100% |
Hydrogen Must be Present | Yes | No | Yes | Yes |
CO Limit | <100 ppm | 0 | <100 ppm | 20% |
H2S Limit | <20 ppm | 0 | <1000 ppm | 3% |
T90 Response Time (sec) | <90 | <60 | <60 | <90 |
Accuracy Low to 10% H2 | 0.15% | 0.3% | 0.3% | 0.3% |
Accuracy 10 to 100% H2 | N/A | N/A | 1% | 1% |
Drift/Week Low to 10% H2 | 0.15% | 0.3% | 0.3% | 0.3% |
Drift/Week 10 to 100% H2 | N/A | N/A | 0.4% | 0.4% |
Repeatability Low to 10% H2 | 0.15% | 0.3% | 0.2% | 0.2% |
Repeatability 10 to 100% H2 | N/A | N/A | 0.4% | 0.4% |
Linearity Low to 10% H2 | 0.15% | 0.3% | 0.2% | 0.2% |
Linearity 10 to 100% H2 | N/A | N/A | 0.4% | 0.4% |
Calibration Background Gas | N2 | O2, N2 | N2 | N2 |
Note: Sensor performance specifications are absolute and assume a dry process stream, an ambient temperature of 25°C constant pressure, and are in addiction to any errors in the calibration gases used.
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