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热导分析模块 FTC
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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
满足多种应用需求，详情请与我们联络。
