Technical Data - Siemens QGO21 Series Basic Documentation

QGO21
Environmental
conditions
AGO21
14/27
Building Technologies Division
4

Technical data

Operating voltage of measuring cell's
- QGO21.000D27
- QGO21.000D17
Mains frequency
Power consumption
Perm. mounting position
Degree of protection
Protection class
Weight (net)
Signal lines
- Shielded 6-core cable
- Shielding connected to terminal GND of
the PLL52
- Proposal for cable
Measuring system
Perm. flow rate of flue gas
(only with AGO21)
Perm. types of fuel
Measuring range
Perm. cable length between QGO21 and
PLL52
Supply lines (mains cable)
Required operating temperature of
measuring cell
Tightening torque for sintered filters
Measuring time
Storage
Climatic conditions
Mechanical conditions
Temperature range
Humidity
Transport
Climatic conditions
Mechanical conditions
Temperature range
Humidity
Operation
Climatic conditions
Mechanical conditions
Temperature range
- Flange
- Connecting head
- Flue gas
Humidity
Installation altitude
Attention!
Condensation, formation of ice and ingress of water are not permitted!
Tube
Tube length
Flange
Oxygen Sensor QGO21...
4 Technical data
AC 230 V ±15%
AC 120 V 15% (only with LMV52 and
PLL52)
50/60 Hz ±6%
Max. 90 W, typically 45 W (controlled)
Refer to Mounting Instructions M7845
(74 319 0866 0)
IP40, to be ensured through installation
I
Approx. 1,2 kg
Twisted pairs
LifYCY3x2x0.2 or LYCY3x2x0.2
Zirconium dioxide measuring cell as an
oxygen ion conductor
1...10 m/s
Light oil (EL) or natural gas (H)
Heavy oil to DIN 51603-3 and DIN 51603-5
0.2...20.9% O
2
Max. 10 m
Wire dia. min. 1 mm² (e.g. NYM3 x 1.5)
700 °C ±50 °C
Min. 6 Nm
Max. 7 Nm
Approx. 12 min
DIN EN 60721-3-1
Class 1K3
Class 1M2
-20...+60 °C
<95% r.h.
DIN EN 60721-3-2
Class 2K2
Class 2M2
-25...+70 °C
<95% r.h.
DIN EN 60721-3-3
Class 3K5
Class 3M2
Max. 250 °C
Max. 70 °C
300 °C
<95% r.h.
Max. 2,000 m above sea level
DN50, steel X5 CrNi 18 9
48 mm
DN50, steel X5 CrNi 18 9
CC1P7845en
06.12.2017