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Sigma Lambda Controller Pure Plus 2.1

by 14Point7
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The SLC PP2.1 integrates together our advanced Lambda control, extensive data-logging and display capabilities, convenient USB connectivity, and full featured software suite, to deliver a complete tuning tool in a compact package — and at an unbelievably low price.

The advanced design, high quality components, and extensive factory calibration means 0.01 Lambda accuracy — without the need for any calibration.

14Point7 stands behind this product with a warranty that is twice as long as any competing product. With an unrivaled 60 day money back guarantee, you can buy with confidence and know that you are getting the absolute best.



SLC PP2.1 utilizes the Bosch LSU 4.9 Wideband O2 Sensor - a cost efficient Wideband O2 sensor providing 0.01 Lambda accuracy, fast response, and rated life of 100,000 km
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Compatible with all fuel types 
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Ultra wide AFR/Lambda range, 0.68[Lambda] to 100[Lambda], 10[AFR] to 100[AFR] equivalent for gasoline
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0.01 Lambda accuracy without the need for any calibration
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Although not required (or recommended), Free Air Calibration is supported
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O2 Sensor Temperature Monitor
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Did you know that the most common cause of inaccuracies and premature O2 sensor failure is attributed to the O2 sensor temperature being improperly controlled? Only 14Point7 branded Wideband O2 Controllers are able to monitor O2 sensor temperature
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Programmable Linear Output allows easy interfacing with gauges, fuel management systems, and data-loggers
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Our innovative Output Sequencer feature means our Wideband O2 Controllers to have the most accurate Linear Output on the market. You can be sure that any device connected to the Linear Output will receive the most accurate AFR/Lambda signal possible
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The Output Sequencer provides a dual level precision voltage signal to the Linear Output. This allows you to easily check that the AFR/Lambda seen by any device connected to the Linear Output is accurate, and if not, to generate a 2 point calibration to achieve perfect accuracy
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Programmable Simulated Narrowband Output allows you to install a Wideband O2 Sensor in place of your Narrowband O2 sensor
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Built in Multi Parameter Display of AFR/Lambda, Boost, Exhaust Gas Temperature,Intake Air Temperature, Fluid Temperature, Fuel Pressure, and Oil Pressure
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32 mb of onboard memory for storing upto 3 hours of datalogging
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Native USB connectivity means no more fooling around with expensive and unreliable USB-to-Serial converters
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Built in RPM Pickup - 0[RPM] to 20000[RPM]
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Exhaust Gas Temperature probe input, 0[F] to 2500[F], 0[C] to 1400[C]
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Boost/Vacuum sensor input, 0[PSI] to 44[PSI], -30[Hg] to 88[Hg]
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Intake Air Temperature sensor input, 0[F] to 300[F], 0[C] to 150[C]
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Fuel Pressure sensor input, 0[PSI] to 150[PSI], 0[Hg] to 250[Hg]
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Oil Pressure sensor input, 0[PSI] to 150[PSI], 0[Hg] to 250[Hg]
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Fluid Temperature sensor input, 0[F] to 300[F], 0[C] to 150[C]
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Dual 0-5 Volt inputs
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A Two-Year Warranty that is twice as long as any competing product
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60 day money back guarantee



"SLC PP2 has so many features at a very good price, I am a happy customer" 
D. Browne, satisfied SLC PP2 customer

"Great value, amazing product, unbeatable price"
H. Lilly, satisfied SLC PP2 customer

"Having owned other more expensive widebands in the past, SLC PP2 is by far my favorite"
R. Kirche, satisfied SLC PP2 customer

Software and Documentation
Package Contents
  • SLC PP2.1 unit
  • 6ft Wideband O2 sensor cable
  • 4ft power cable
  • 4ft auxiliary cable
  • 2x fuse holder
  • 2x 5 Amp fuse (replacement included)
  • 2x 500mA fuse (replacement included) 
  • Stainless steel O2 bung

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SLC PP 2.1 Compatible Products:

Reviews for Sigma Lambda Controller Pure Plus 2.1
4 out of 5, based on 1 reviews
gary wong from bellevue on Jan 03, 2015
product came in the mail on time even through the holiday season

Looks nice
Works nice
Came with all the needed fusing,bing and cords

No instruction manual, had to source online. Would be helpful to have a hard copy on hand
Packaging was a little dinky in my opinion. Could be boxed better for the pricing offered.

Overall great product considering all the accessories it came with. Would recommend. :)

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1237 Shaw Street Toronto, Ontario M6G3N9 Canada 416-273-5409

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