Gas analyzers
SIRA ROA Premix
The SIRA ROA Premix is a high-precision process gas analyzer for the reliable monitoring of odorants in natural gas and hydrogen applications. As both gases are naturally low in odor, reliable odorization is crucial for detecting leaks at an early stage. The SIRA monitors this process continuously and precisely using modern UV spectrometry, making the “invisible measurable”.
With freely configurable measuring cycles from 120 seconds to 24 hours, the SIRA ROA Premix adapts flexibly to different process requirements. Measurement parameters, units, storage intervals and reports can be set individually. The measurement results are saved and graphically processed so that a complete history is available at all times.
| Parameter | Wert |
|---|---|
| Gehäuse | H = 990 mm / B = 360 mm / T = 300 mm, Aluminiumgehäuse |
| Gewicht | ca. 30 kg |
| IP-Klassifizierung | IP42 |
| Betriebstemperatur | -10 °C bis +50 °C oder -20 °C bis +60 °C (kundenspezifisch) |
| Umgebungsfeuchtigkeit | max. 95 % r. F., nicht kondensierend |
| Befestigung | Wandmontage, Wandhalter inklusive |
| Belüftung | 2× aktive Belüftung |
| Elektrischer Anschluss | 110–230 VAC, 50–60 Hz, 200 W, Störungs-Relais (24 VAC/100 mA), Service-Relais (24 VAC/100 mA) |
| Anzeige / Bedienung | 10,2″ Touchscreen-Display |
| Hardware | Multiprozessor-System, 32 GB Speicher, USB, Ethernet |
| Software | Embedded Linux Betriebssystem |
| Sicherheitsüberwachung | Belüftungsfunktion, Drucküberwachung, Durchflussüberwachung |
| Gaseingänge | Prozessgas, Kalibriergas, Testgas |
| Gasanschluss | 6 mm Edelstahl-Klemmring |
| Gasausgang | Abgas |
| Prozessgase | H-/L-Gase, Wasserstoff |
| Umgebungsdruckbereich | 950–1.100 mbar |
| Gasvordruck | 20–50 mbar |
| Gasverbrauch | max. 20 l/Std. |
| Kommunikationsoptionen | 0/4–20 mA, Digital Output, Relais, Feldbusse |
The SIRA product series in comparison
SIRA UV THT
Continuous measurement
of the odorant gas concentration
SIRA UV VOC
Measurement of volatile organic compounds (VOCs)
SIRA ROA Premix
Analysis of the residual oxygen content
SIRA CH₄ Low
Continuous measurement
of methane in exhaust gases
Industry applications
These products can be used in the following sectors.
Iron and steel production
Our appliance series have been used in iron and steel production for many decades.
Biogas
Union Instruments products have proven themselves extensively in biogas upgrading plants.
Petrochemicals and refineries
We produce customized and flexible measurement technology solutions for the petrochemical industry and refineries.
Glass and ceramics
Perfectly coordinated appliance technology for glass and ceramic applications that works both safely and economically.
Natural gas
Our INCA multi-gas analyzers provide efficient solutions for processes in natural gas plants.
Generating energy from waste
Our appliance technology makes an important contribution to the functionality of environmentally friendly and energy-saving system concepts.
Service
We clarify administrative and commercial issues for you.
+49 721 680381-30
Support
You can open a support ticket for technical support for your product.
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Distribution
We prepare quotations for you, clarify questions about invoicing and manage your maintenance contract.
+49 721 680381-20
Downloads
Here you will find various downloads to support you.
Brochures, data sheets and application reports – we have all the relevant information for you here.
Industries
Our key application areas at a glance.
We supply a wide range of industrial plants such as steel production, the natural gas industry and biogas producers.
Products
Special products for your industrial application.
Our range includes the INCA, CWD and SIRA product series and the CAM module – combined with top advice and service.