Best Commercial Wide-Band Exhaust Gas Analyzer...???

[Programmer]

You're right Jason,
I don't think I'd want to trust a $20K engine to a $200 AFR meter.
On a side note--Have you looked at EASE's data logger ?

Lyndon
----- Original Message -----
From: Jason R. Haines <jhaines at lingenfelter.com>
To: <diy_efi at diy-efi.org>
Sent: Friday, April 27, 2001 8:10 AM
Subject: Re: Best Commercial Wide-Band Exhaust Gas Analyzer...???


>
> When you say wide band exhaust gas analyzer I am assuming you are talking
> about air fuel ratio analysis and not multi-gas analysis. I am also
assuming
> you don't want laboratory grade equipment that is very expensive and often
> can't be mounted in a car. Based on this, from the ones we have tested and
> used, I like the air fuel ratio analyzers from ECM (Engine Control and
> Monitoring). We have several Horiba meters and they work great but I am
> biased against Horiba right now (for product support reasons) and you get
> more meter for the same price from ECM (the sensors are cheaper too). For
> most applications, the ECM AFRecorder Model 1200 is probably the best. It
is
> small, has a display, linearized programmable voltage output, an RS232
> output and data logging. It can even simulate a switch type O2 sensor so
> that you can plug the wide band sensor into the existing O2 sensor bung. I
> think the Model 1200 sells for around $4,500. For a lot less you can get
the
> AFM1000 that looks like the NGK blue boxes but has a linearized voltage
> output. The AFM1000 doesn't have a display or offer data logging. I think
> the AFM1000 costs around $1700. The one we tested that we really liked was
> the AFRecorder Model 2400 that has all the features of the Model 1200 plus
> is records RPM, manifold pressure and spark timing. It is a lot larger
than
> the other two models so it isn't as easy to mount in the car. The model
2400
> costs $8000. All three models offer "free air" calibration of the sensors.
I
> think they charge around $400 for the sensors. The ECM web site is
> http://www.ecmco.com . Other companies to look at include ETAS (Bosch
> emissions/calibration equipment) and Horiba.
>
> Several cheaper models exist from other companies that use the Bosch 4
wire
> wide band sensors (I think it is Bosch part number 0 258 104 002). They
are
> usually in the $800 to $1300 range. I think ETAS,  Motec, CDS (Competition
> Data Systems), Autronic (sp?) and many others offer these systems.
>
> And obviously don't waste your money on any of the products that call
> themselves air fuel ratio meters that use the 1 to 3 wire heated switch
type
> O2 sensors - they should be called rich/lean indicators and nothing else.
> 8-)
>
> Hope the helps,
>
>
> Jason
>
>
> >
> > A friend is building a vintage racer (SB Chevy) and is interested in the
> best
> > commercial Wide Band Exhaust Gas Analyzer.
> >
> > He hasn't the time to build and debug/calibrate the DIY_EFI version at
> this
> > time so hence this request for recommendations.
> >
> > Of note, he'll likely be running leaded race gas so if possible an
> analyzer
> > that he could calibrate and replace the wide band lambda sensor
(hopefully
> > without sending it back to the manufacturer etc) would be best.
> >
> > TIA for all your help!
> >
> > Doug
> >
>
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