Siemens MicroSAM, Operating Instructions Manual, Page: 110 / 138

Technical data
MicroSAM
108
Operating Instructions, 06/2012, C79000-G5376-C560-07
Sample and injection
Sample streams 3 for devices of release version 4 onwards
1 for devices up to release version 3
Note:
The release version is present on the rating plate at "AS".
Calibration sample streams 1
Phase Gaseous
Permissible sample pressure 10 … 60 kPa above atmospheric pressure
Sample flow 20 to 100 ml/min
Max. sample temperature 80 °C
Particulates < 1 μm
Required filtration Degree of separation 99.99 % for 1 μm particles
Material wetted by the sample Stainless steel, fused silica, polyamide
Injection Valveless live injection, i.e. no switching valves required in oven
area.

Control
with multifunctional membrane valve
 Injection volume adjustable using switching times
From 2 to 50 μl
Detectors, calibration and performance data
Detector type TCD, max. 8 sensors
Cell volume 0.02 μl
Calibration Manual or automatic, single-level or
multi-level (only MicroSAM)
Permissible performance of carrier gases
Repeatability for measuring ranges 2 … 100% ± 0.5% of full-scale value (application-dependent)
Repeatability for measuring ranges 0.2 … 1% ± 1% of full-scale value (application-dependent)
Repeatability for measuring ranges < 0.1% ± 2% of full-scale value (application-dependent)
Detection limit for measuring ranges > 1000 ppm 1% of full-scale value (application-dependent)
Smallest measuring range 1000 ppm (application-dependent)
Linear range Typically ≥ 10
4
Cycle time Typically 30 … 240 s
Ambient temperature influence Negligible
Influence of vibrations Negligible
Mean time to repair (MTTR)/
Mean time between failures (MTBF)
< 1 hour/3 years (without consumables)