Malaguti DRAKON125 2022 Workshop Manual page 151

120mV;
The concentration and dilution response time is less than 80 mS;
The response time of dilute concentration is less than 65mS.
13.5V, heater power at 450 ℃ exhaust: 7.0
13.5 V, heater current at 450 ℃ exhaust : 0.52А±0.10А
Nominal voltage of oxygen sensor: 13.5V
Maximum operating voltage of oxygen sensor: 18V
Minimum operating voltage of oxygen sensor: 10V
Limit voltage of oxygen sensor (at 21 ℃, ＜60s): 21V
4. Possible failures
Heating element failure;
Sensor element failure;
The ceramic tube was broken;
Heating circuit short circuit or open circuit;
Sensor circuit short circuit or open circuit.
Exhaust temperature 850 ℃, characteristic parameters of oxygen sensor:
Exhaust temperature
When λ=0.97（CO=1%）
Sensing element voltage (mV)
When λ=1.10
Sensing element voltage (mV)
Response time (ms)
(600mV to 300mV)
Response time (ms)
(300mV to 600mV)
When the exhaust temperature is 450 ℃, the conversion characteristics of the oxygen
sensor are as follows:
250 hours of durability
850℃ 850℃
≥720 ≥700
≤90 ≤100
≤200 ≤250
≤60 ≤60
650 hours of durability
850℃
≥700
≤100
≤250
≤60