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热导分析模块 FTC
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详细信息
Measuring Gas Carrier Gas Basic range Smallest range Smallest suppressed zero range Multi Gas Mode H2 N2 or air 0% -99% 0% -0.5% 98% -99% Yes H2 Ar 0% -99% 0% -0.4% 99% -99% Yes H2 He 20% -99% 20% -40% 85% -99% On request H2 CH4 0% -99% 0% -0.5% 98% -99% On request H2 CO2 0% -99% 0% -0.5% 98% -99% On request He N2 or air 0% -99% 0% -0.8% 97% -99% Yes He Ar 0% -99% 0% -0.5% 98% -99% Yes CO2 N2 or air 0% -99% 0% -3% 96% -99% Yes CO2 Ar 0% -60% 0% -10% - Yes Ar N2 or air 0% -99% 0% -3% 96% -99% Yes Ar O2 0% -99% 0% -3% 96% -99% Yes Ar CO2 40% -99% - 80% -99% Yes CH4 N2 or air 0% -99% 0% -2% 96% -99% Yes CH4 Ar 0% -99% 0% -1.5% 97% -99% Yes O2 N2 0% -99% 0% -15% 85% -99% Yes O2 Ar 0% -99% 0% -2% 97% -99% Yes N2 H2 0% -99% 0% -2% 99,5% -99% Yes N2 Ar 0% -99% 0% -3% 97% -99% Yes N2 CO2 0% -99% 0% -4% 96% -99% On request NH3 H2 0% -99% 0% -5% 95% -99% On request NH3 N2 0% -99% 0% -10% 60% -99% On request CO H2 0% -99% 0% -2% 99% -99% On request SF6 N2 or air 0% -99% 0% -2% 96% -99% 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
满足多种应用需求，详情请与我们联络。
