85
8024252/AE00/V1-0/2020-07| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-D
Subject to change without notice
TECHNICAL DATA
13
13.2.2
Technical data of the measuring probe
13.2.3
Technical specification for the gas supply
The oxygen measuring system uses the connected instrument air during the entire
operating time to supply reference air and to supply test air (test gas 1) during adjustment
or system test.
Flue gas temperature:
Max. 600 °C
Immersion depth:
540 mm
960 mm
Property of the probe heating:
Rated voltage:
Up to 115 V AC +/- 10%
Rated current:
Up to 5 A
Measuring principle:
Zirconium oxide
Process gas pressure:
-50 to +50 mbar (others on request)
Flow velocity:
0 to 10 m/s, others on request
Ambient temperature:
-20 °C to +70 °C
Maximum surface temperature
depending on the ambient
temperature:
The specification of the maximum surface temperature
T133 °C......T141 °C applies to the above-mentioned ambient
temperature range.
Reaction time (stopping time):
< 1 s (test gas)
T90:
< 5 s (test gas)
Probe material:
Stainless steel (SS316)
Protection class:
ATEX:
II 2D Ex tb IIIC T133 °C/T141 °C Db
IECEx: Ex tb IIIC T133 °C/T141 °C Db
Protection class:
IP 66
Certificate number:
BVS 19 ATEX E 004 X
IECEx FTZU 19.0006X
Voltage supply:
Via control unit
Ambient temperature
[°C]
Max. surface temperature
[°C]
40
133
50
136
60
138
70
141
Instrument air as reference air supply / test air supply
Specification:
According to ISO 8573-1 class 2
(Particle size max. 1
μ
m,
particle density max. 1 mg/m³,
oil content max. 0.1 mg/m³,
pressure dew point max. -40 °C)
Constant 20.95 Vol. % O
2
Inlet pressure
2...10 bar
Flow volume:
Continuous maximum 40 l/h (for reference air supply)
180 l/h during adjustment
