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The Air-Fuel Ratio Combustion Monitor (AFM1040/AFM1540)
The ECM Air-Fuel Ratio Combustion Monitor (AFM) was designed for the professional
calibration of fuel-injection or carburetor systems.
lambda (λ) sensor, the AFM provides unmatched measurement range, accuracy, and speed-
of-response in a compact, lightweight package. Suitable for dynamometer or in-vehicle
applications, the AFM is an essential tool for any engine development program.
AFM features:
• Measurement range of 8 to 18 AFR (gasoline
• Easy calibration in air
• 0 to 5 volt linearized output for use with data acquisition or engine control
systems
• SMB (Serial Measurement Bus) interface on AFM1540
• Can work with Bosch LSU 4.9, LSU 4.2, or NTK UEGO sensor
(user-selectable only with AFM1540)
• 11 to 28 VDC operation
AFM1040/AFM1540 Components List
The following items are included with an AFM1040 Kit:
Item No.
1.
2.
3.
4.
5.
6.
1
Assumes fuel H:C ratio of 1.85. For other fuels see the "Fuel Type Compensation" section.
2
An AC/DC Power Supply (P/N 1000A-7) is available.
3
ECM offers custom harness solutions. Contact ECM for more information.
Introduction
2
Description
Control Module (AFM1040)
Lambda LSU 4.9 Sensor and
Sensor Adapter
Lambda LSU 4.2 Sensor or
NTK TL UEGO Sensor
Wiring Harness, 6m or
Wiring Harness, 3m or
Wiring Harness, 1m
Calibration Screwdriver
Sensor Mounting Boss and Plug (M18X1.5mm)
Instruction Manual
Using a state-of-the-art, broadband
1
)
or
Part Number
1040A-1
1049E-2a
1049E-2b
1042A-2
1001A-2
3
1002A-3a
3
1002A-3b
3
1002A-3c
2400E-35
1000A-5
1040A-6
1
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