Michell OptiPEAK TDL600
The next generation TDLAS Analyzer for automatic online measurement of moisture in variable compositions of natural gas and biomethane. The OptiPEAK TDL600 Tuneable Diode Laser Analyzer employs the latest techniques in laser absorption spectroscopy and signal processing power to offer a robust high performance analyzer, designed specifically for the measurement of moisture in natural gas. This non-contact technology requires minimal maintenance, even in demanding applications such as changing methane concentrations or sour gas. The analyzer is fully hazardous area certified and delivers class-leading measurement performance, stability and detection sensitivity.
Product Features
- D-MET system: Factory-ready for varying gas compositions. For example, after stream blending or injection of shale gas or biomethane to a network.
- Operating range down to 1 ppmV
- Sour gas compatible
- Simple installation and setup
- Lowest maintenance
- IECEx, ATEX and cQPSus certified for EExd flameproof
- Integrated sample handling
- Proven Michell Instruments quality: 40 years of expertize in moisture measurement built into the design
| Measuring Technique | TDLAS |
| Measurement range | 1 ppmV to 1000ppmV |
| Accuracy | ±1% of reading > 100ppmV ±1ppmV < 100ppmV |
| Repeatability | <1ppmV (long term stability <0.1ppmV/year) |
| Limit of detection | 1ppmV |
| Available units | ppmV, lb/MMSCF, mg/Nm3, dew point °C or °F (ISO18453 or IGT#8) |
| Response speed | Optical response 0.2s Display update 2-3s |
| Environmental conditions | Indoor version: +10°C to +45°C Outdoor version:* –20°C to +45°C Outdoor with cooling option:* –20°C to +55°C |
| Electrical Specifications | |
| Supply voltage | 110 V AC or 230 V AC 50/60Hz |
| Power requirements | Indoor version: 80W Outdoor version: 180W |
| Analog signals | Input: 2 x 4-20 mA user configurable Output: 3 x 4-20 mA,3 alarms 250 V AC, 3A (volt-free contacts) |
| Digital communications | RS485 ModBus RTU |
| Data logging | Logs all process variables with a user selectable sample period in the range 10s to 1 day |
| Local interface | 4.3” color LCD with touch pad operation |
| Electrical connections | 3 x M20 entries for cable glands |
| Calibration | |
| Factory method | 3-point, traceable to NPL and NIST |
| Recommended calibration | None required, dependant on user or quality system requirements |
| Physical Specifications | |
| Sample flow rate | 1 Nl/min cell sample, 1 to 5 Nl/min sample filter by-pass |
| Inlet pressure | Maximum 100 barg (1450 psig) |
| Outlet pressure | Cell vent 0.7 to 1.4 bara, Filter by-pass maximum 3 barg |
| Enclosure type/ packaging | Aluminium alloy, explosion proof, polyester coated, IP66, NEMA4 |
| Gas connections | 1/4” NPT(F) |
| Weight | 40kg (88lbs) (without sampling system) |
| Sample system enclosure | 304L or 316L stainless steel |
| Hazardous area certification | ATEX: II 2 G Ex d ib op is IIC T5 Gb IECEx: Ex d ib op is IIC T5 Gb Tamb –20°C to +60°C cQPSus: Class I, Division 1, Groups A, B, C, D, T5, Tamb –20°C to +60°C, IP66 TC TR Ex: 1 Ex d ib op is IIC T5 Gb |
| *If installed outside, the analyzer must be shaded from direct sunlight to prevent heating effects through sun radiation | |
