Thermo Scientific
Thermo 55C
Pine Item #54387
The Thermo 55i & 55c hydrocarbon analyzer is a back-flush gas chromatography (GC) system designed for automated measurement of methane and nonmethane hydrocarbons. The back-flush GC method used by the Model 55i provides a direct measurement of non-methane concentrations.
This allows accurate and precise measurement of low levels of non-methane hydrocarbons (NMHC), even in the presence of methane at much higher concentrations. The proprietary column design is unaffected by the oxygen content of the sample, provides complete recovery of low volatility compounds and achieves absolute separation of methane from all C2 compounds.
Features:
Enhanced electronic design optimizes product commonality
Improved layout for easier accessibility to components
RS 232 Communication System and PC base software
70 second analysis
Adjustable Ranges
Automatic flame sensing and ignition
Data storage and user downloadable software
Enhanced user interface with one button programming and large display screen
In-line particulate filter
Real Time correction of THC Readings
Equipment available for both rental and purchase
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Specifications
Manuals & Data Sheets
| Zero Noise - 55c | Standard: .1 PPM RMS (300 second avg time) |
| Minimum Detectable Limit - 55c | Standard: .2PPM (300 second avg time) |
| Zero Drift (24 Hour) - 55c | Standard: +/- 1.0PPM |
| Span Drift - 55c | Standard: <.5% reading-24 hrs <1% reading-7days High Level <2% reading-7days |
| Response Time - 55c | 70seconds (30 second avg time) |
| Preset Ranges - 55i | 0 -5 50 500 ppm or 0 - 10 100 1000 ppm or |
| Zero Noise - 55i | 0.025 ppm RMS (300 second averaging time) |
| Minimum Detectable - 55i | 0.050 ppm CH4 - 0.050 NMHC As Propane (300 second averaging time) |
| Zero Drift - 55i | Auto-zero each cycle |
| Span Drift - 55i | <2% Span Value (without Auto Calibration) |
| Response Time (90%) - 55i | ~ 70 seconds |
| Precision - 55i | 2.0% of reading or 50 ppb (whichever is larger) |
| Linearity - 55i | ±2.0% of span (at concentrations of 10% to 100% of span) |
| Sample Flow Rate -55i | 0.5 lpm minimum |
| Makeup Air Flow Rate - 55i | 275 ccm to 350 ccm Hydrocarbon free air |
| Fuel Flow Rate - 55i | 25 ccm to 50ccm Hydrogen or ~100-150ccm H2/He Mixture |
| Carrier Gas Flow Rate - 55i | 35 ccm to 70 ccm Nitrogen |
| Operating Temperature - 55i | ±15°C to +35°C |
| Power Requirements - 55i | 100 vac 115 vac 220-240 vac +/-10% 50/60Hz 420W |
| Outputs - 55i | Selectable Voltage RS232/RS485 TCP/IP 10 Status Relays and Power Fail Indication 0-20 or 4-20 mA Isolated Current Output (optional) |
| Inputs - 55i | 16 Digital Inputs (standard) 8 0-10vdc Analog Inputs (optional) |
| Preset Ranges - 55c | Standard: 0-20 200 2000PPM |
| Custom Ranges - 55c | Standard: 0-20 to 20000PPM |
| Dimensions | US: 16.75 x 8.62 x 23 in. Metric: 42.5 x 21.8 x 58.4 cm |
