Siemens Maxum II Service Manual

2.3 TCD Specifications
Table 2-1 Thermal Conductivity Detector (TCD)
Parameter Value
Target Components All
Measurement Type Concentration
Smallest Measuring Range (at 60°C oven temperature) 0 to 20 ppm ±5%
Typical Measuring Range (at 60°C oven temperature) 0 to 500 ppm ±2% FS
up to
0 to 100% ±0.5% FS
Dynamic Range 10
5
Linear Range 10
4
Selectivity None
Temperature Range (Thermistor bead detector inside oven compartment) 5 to 120°C
Temperature Range (Filament detector inside oven compartment) 5 to 180°C
Thermal Conductivity Detector
2.3 TCD Specifications
Maxum Edition II Detectors
Service Manual, May 2018, A5E42019847001 15

Siemens Maxum II Specifications

General

Category	Gas Chromatograph
Measurement Principle	Gas Chromatography
Communication Protocols	Modbus, Ethernet, Profibus
Operating Temperature	-20°C to 55°C
Power Supply	24 VDC or 100-240 VAC
Mounting	rack mount
Applications	Refinery, chemical, petrochemical, natural gas
Detectors	Thermal Conductivity Detector (TCD), Flame Ionization Detector (FID)
Sample Inlets	Multiple
Dimensions	Varies by configuration (e.g., 19" rack mount)