AMETEK PI - Model 919 -Hot/Wet Gas Analyzer

The 919’s UV measurement technology does not suffer from water (H₂O) and carbon dioxide (CO₂) interferences, as these species are transparent in the UV. This greatly simplifies sample handling.

Fully compatible with our 900 ADA and series 9xx analyzers, the 919 is ideal for continuous emissions monitoring applications in the hydrocarbon processing and sulfuric acid industries.

HIGH RESOLUTION UV TECHNOLOGY
High-intensity line source lamps provide resolution better than 0.02nm. They emit at a fixed wavelength for measurement stability, and emit low total power, which removes the potential for sample photolysis. Dual-beam configuration ensures low-noise performance.

UNPARALLELED LINEARITY
The high resolution delivered by the UV sensing technology enables unparalleled linearity over a wide dynamic range which, in turn, leads to a simple and robust data analysis.

ACCURATE CALCULATIONS
The sample cell and all components in contact with the sample are heated above the dew points of all gases in the sample stream. This allows a simpler, more accurate calculation of gas concentrations, requiring no corrections for condensed and dissolved components.

The 919 is the hot-wet UV photometric analyzer for challenging process and emissions monitoring – Find out

• High reliability and reduced maintenance
• No water correction factors
• Automated zero and span gas calibration
• Provides serial interface with plant DCS

Methodology:Dual wavelength, high resolution, nondispersive UV

• Accuracy: Better than 1% full scale
• Reproducibility: Better than 0.5% full scale
• Response Time: Typically less than 30s to T90 (excludes sample system)
• Sample Transport: Air aspiration
• Typical Sample Flow: 3 to 5 L/min (0.1 to 0.2 CFM)
• Temperature Control: Independent control of up to five zones
• Pressure and Temperature Compensation: Standard
• Ambient Temperature*: 5° to 50°C (41° to 122°F)
• Instrument Air: Minimum 413.6 KPa (60 psig), 120 L/min (4.24 CFM), instrument quality air
• Power: 120 VAC ±10%, 47-63 Hz or 240 VAC ±10%, 47-63 Hz 600 W for analyzer only

Communications

• Analog: 4 x 4-to-20 mA self-powered
• Digital: One RS232 port for service diagnostics
• One RS422 with Modbus protocol
• Relays: 3 independent sets of SPDT relays alarm conditions
• Physical Dimensions: 1553.6 x 1117.6 x 306 mm (61.17 x 44 x 12 in.)
• Weight: Estimated minimum 160 kg (350 lbs.)
• Approvals and Certifications: NEC/CEC Class I, Division 2, Groups C & D
• ATEX II 2G EEx pd IIB T3
• Russian Ex Proof Certification; 1ExpydIIBT3
• Russian Gosstandard Pattern Approval
• Complies with all relevant European Directives

* Temperature drift is approximately 1 ppm/°C for the species listed. To achieve maximum accuracy and stability, you can either install the analyzer in a temperature-controlled environment or zero the analyzer more frequently.