Siemens 6 Series - Page 29

Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
A5E45779144002-01, 09/2018
29
Electrical characteristics
Fuse values
• 1-channel unit (7MB2121, 7MB2127, 7MB2124, 7MB2126)
– 100 to 120 V
– 200 to 240 V
• 2-channel unit (7MB2123, 7MB2128, 7MB2124, 7MB2126)
– 100 to 120 V
– 200 to 240 V
1T/250
0.63T/250
1.6 T/250
1T/250
Gas inlet conditions
Permissible sample gas pressure 600 to 1500 hPa absolute,
700 to 1300 hPa absolute with installed pressure switch
Sample gas flow
18 to 90 l/h (0.3 to 1.5 l/min)
Sample gas temperature
0 to 50 °C
Sample gas humidity < 90% RH (relative humidity), non-condensing or
dependent on measuring task
Parts in gas path wetted by sample gas
Standard devices
Gas path with tubes
Gas feedthrough
Stainless steel 1.4571
Hose
FKM
Hose coupling
PA 6
Sample chamber
• Body
• Lining
• Gaskets (O-rings)
• Window
Alu
Alu
FKM or FFKM
CaF
2
, adhesive E353
Pipe gas path
Gas feedthrough
Ti or stainless steel 1.4571
Pipe
Ti or stainless steel 1.4571
Sample chamber
• Body
• Lining
• Gaskets (O-rings)
• Window
Alu
Alu or Ta
FKM or FFKM
CaF
2
, adhesive E353
Special applications
Pipe gas path
Gas feedthrough
Ti or stainless steel 1.4571 or Hastelloy C22
Pipe
Ti or stainless steel 1.4571 or Hastelloy C22
Sample chamber
• Body
• Lining
• Gaskets (O-rings)
• Window
Ti or stainless steel 1.4571 or Hastelloy C22
Ta or Alu
Material according to specification
CaF
2
; without adhesive
Further designs upon request
Options
Flowmeter
Measurement pipe
Duran glass
Variable area
Duran glass
Suspension boundary
PTFE