
10
Specifications and Limits
Measurement Range and Accuracy
Range: 0.055 to 0.125 F/A (gasoline)
1
(Analog Output and SMB)
8.0 to 18.0 AFR, 0.549 to 1.235 Lambda, 0.0 to 4.0 %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.
Hex Size: 22mm.
Tightening Torque: 30
±
3 ft-lbf, 40
±
4 Nm.
The UEGO sensor's thread size is identical to that of most O
2
sensors used in production
vehicles.
Output Specifications and Limits
Analog Output:
•
0V at 0.125 F/A (gasoline)
•
5V at 0.055 F/A (gasoline)
•
F/A = -0.014 x Vout + 0.125
•
Output Impedance: 500 Ohm
•
Output Connector: Female BNC, Signal = Center, Ground = Shell
Simulated O2 Sensor Output:
•
Low Level: Less than 50mV at F/As lean of stoichiometric
•
High Level: 950
±
50mV at F/As rich of stoichiometric
•
Switch point at stoichiometric (Lambda = 1)
•
Output Impedance: 110K Ohm
•
Rise time (10% to 90%): 34ms
•
Fall time (90% to 10%): 34ms
•
Wiring: Short black wire near blue connector = Positive, Ground via instrument
harness
1
Assumes fuel H:C ratio of 1.85. For other fuels, see “Fuel Type Compensation”.
Summary of Contents for F/A1000
Page 1: ...F A1000 F A1500 Fuel Air Ratio Monitor Instruction Manual 02 06 Part Number 1001A 6...
Page 4: ...ii Supplementary Information 15...
Page 19: ...15...
Page 20: ...16...
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Page 22: ...18...
Page 23: ...19 State Diagram for SMB Communication...
Page 24: ...20...
Page 25: ......
Page 26: ...Los Altos CA 94023 0040 USA 408 734 3433 Fax 408 734 3432 www ecm co com...