Property Description/Value
with compensation, 0 ... 10 000 ppm%CO
2
,
0 ... 90 %O
2
±0.6 % of reading (at +25 °C (+77 °F))
without compensation (typical) -0.08 % of reading/%O
2
Start-Up, Warm-Up and Response Time
Start-up time at +25 °C < 12 s
Warm-up time for full spec. < 2 min
Response time (T90) with standard filter < 1 min
Response time (T90) with spray shield < 3 min
Flow-Through Option
Response time (T90) with > 0.1 l/min 30 s
Flow rate dependence < 1 l/min flow no eect
Flow rate dependence 1 ... 10 l/min flow < 0.6% of reading l/min
Gas flow operating range < 10 l/min
Gas flow recommended range 0.1 ... 0.8 l/min
Table 48 Operating Environment
Property Description/Value
Operating temperature of CO
2
measurement -40 ... +60 °C (-40 … +140 °F)
Storage temperature -40 ... +70 °C (-40 … +158 °F)
Humidity 0 ... 100 %RH, non-condensing
Condensation prevention Sensor head heating when power on
EMC compliance EN61326-1, Generic Environment
Chemical tolerance (temporary exposure during
cleaning)
• H
2
O
2
(2000 ppm, non-condensing)
• Alcohol-based cleaning agents (for example
ethanol and IPA)
• Acetone
• Acetic acid
Pressure
Compensated 500 ... 1100 hPa
Operating < 1.5 bar
Table 49 Mechanical Specifications
Property Description/Value
Weight, probe 58 g (2.05 oz)
GMP252 User Guide M211897EN-D
104
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