产品描述
该款热导分析仪器可以测量氢气、氮气、六氟化硫、氧气、二氧化碳等多种组分，是一款高精度的产品，符合多种应用需求。分析的气体包含二元和多元其他成分。
| Measuring Gas | Carrier Gas | Basic range | Smallest range | Smallest suppressed zero range | Multi Gas Mode |
| H2 | N2 or air | 0% -100% | 0% -0.5% | 98% -100% | Yes |
| H2 | Ar | 0% -100% | 0% -0.4% | 99% -100% | Yes |
| H2 | He | 20% -100% | 20% -40% | 85% -100% | On request |
| H2 | CH4 | 0% -100% | 0% -0.5% | 98% -100% | On request |
| H2 | CO2 | 0% -100% | 0% -0.5% | 98% -100% | On request |
| He | N2 or air | 0% -100% | 0% -0.8% | 97% -100% | Yes |
| He | Ar | 0% -100% | 0% -0.5% | 98% -100% | Yes |
| CO2 | N2 or air | 0% -100% | 0% -3% | 96% -100% | Yes |
| CO2 | Ar | 0% -60% | 0% -10% | - | Yes |
| Ar | N2 or air | 0% -100% | 0% -3% | 96% -100% | Yes |
| Ar | O2 | 0% -100% | 0% -3% | 96% -100% | Yes |
| Ar | CO2 | 40% -100% | - | 80% -100% | Yes |
| CH4 | N2 or air | 0% -100% | 0% -2% | 96% -100% | Yes |
| CH4 | Ar | 0% -100% | 0% -1.5% | 97% -100% | Yes |
| O2 | N2 | 0% -100% | 0% -15% | 85% -100% | Yes |
| O2 | Ar | 0% -100% | 0% -2% | 97% -100% | Yes |
| N2 | H2 | 0% -100% | 0% -2% | 99,5% -100% | Yes |
| N2 | Ar | 0% -100% | 0% -3% | 97% -100% | Yes |
| N2 | CO2 | 0% -100% | 0% -4% | 96% -100% | On request |
| NH3 | H2 | 0% -100% | 0% -5% | 95% -100% | On request |
| NH3 | N2 | 0% -100% | 0% -10% | 60% -100% | On request |
| CO | H2 | 0% -100% | 0% -2% | 99% -100% | On request |
| SF6 | N2 or air | 0% -100% | 0% -2% | 96% -100% | On request |
| Dimensions without connectors; weight | 145mm x 80mm x 85mm; max. 1800g |
| Power supply | 24V DC (18V to 36V), 700mA |
| Ambient temperature range | -5°C to 50°C, other on request |
| Linearity | < 1% of range |
| Warm up time | About 30min; 1h for small ranges |
| Flow rate | 40l/h to 150l/h; 60l/h -80l/h recommended |
| T90-time | <1sec at flow rate higher 60l/h |
| Noise | < 1% of smallest range |
| Drift at zero point | < 2% of smallest range per week |
| Repeatability | < 1% of range |
| Error due to change of ambient temperature | < 1% of smallest range per 10°C |
| Error due to change of flow at 80l/h | < 1% of smallest range per 10l/h |
| Gas pressure | Max. 2MPa (20bar) |
| Error due to change of pressure (above 800hPa abs.) | < 1% of smallest range per 10hPa |
• Accurate and long term stable thermal conductivity measurement
• High sensitivity e.g. 0-0.5Vol.% H2 in N2 range; Low noise <10ppm H2 in N2
• Precise linearization for the gas mixtures as H2, He, CO2, CH4 in N2 or Ar and N2 in Ar on board
• Customized linearization with polynomial up to sixth order
• Multi Gas Mode allows sequential indication of up to 15 binary mixtures
• Isolated 4-20mA output, expandable; free set of start and end within 100 Vol.% range
• Classic 2-point calibration or simple one-gas calibration
• Free set of display indication (ppm or Vol.%) at a resolution up to 1ppm
• Cross sensitivity compensation by feed in of external signal and internal calculation
• Fast response with a T90-time of less than 1 sec (depending on flow rate)
• Pressure proof (20bar) and vacuum leak tight stainless steel (LF316i) gas duct
• Three isolated relays for indication of alarms and instrument status
• RS 232 excess to all values and parameters
• Digital output with 1ppm resolution over the whole 100Vol.% rangePC-based service program simplifies all settings, linearization and calibration
• Small and robust transmitter in Al-housing for field use (protection class: IP65)
• Dimensions: Width 145mm, Height 80mm (without connectors), Depth 85mm
• Power supply 18V to 36V DC / 700mA
