ECM afm1000, Инструкция по эксплуатации

Страница: 15 / 28

Specifications and Limits
Measurement Range and Accuracy
Range: 6 to 20 AFR (gasoline)
1
(Analog Output and SMB)
0.050 to 0.167 FAR, 0.412 to 1.37 Lambda, 0.0 to 5.46 %O
2
(SMB Only)
Accuracy: 1.5%
Exhaust Operating Limits
Maximum Exhaust Gas Temperature: 950 deg. C, 1742 deg. F.
Exhaust Gas Pressure Range: 0.8 - 1.7 atm (gauge).
Sensor Installation
Thread Size: M18X1.5mm. Lightly coat with non-lead containing antiseize compound.
Hex Size: 22mm.
Tightening Torque: 30
±
3 ft-lbf, 40
±
4 Nm.
The UEGO sensor’s thread size is identical to that of most O2 sensors used in production
vehicles.
Output Specifications and Limits
Analog Output:
•
0V at 6.0:1 AFR (gasoline)
1
•
5V at 20.0:1 AFR (gasoline)
1
•
AFR = 2.8 x V + 6.0 (gasoline)
1
•
Output Impedance: 500 Ohm
•
Output Connector: Female BNC, Signal = Center, Ground = Shell
1
Assumes fuel H:C ratio of 1.85. For other fuels see the “Fuel Type Compensation” section.
11