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Egt Gauge

What Thermocouple(s) would be best for use with a dual output pyrometer on an automotive application?

I'm trying to wire up a dual display pyrometer as an exhaust gas temperature (EGT) gauge. It needs to meter 1200F (~600C) to about 2000F (~1100C) and be able to be permanently attached to the exhaust.
So what are the properties of the K- thermocouple. That was the one i was leaning toward given it's temperature range, but i don't really know anything about them.

Can it be for example screwed into an open bung in an exhaust system?

I need to determine EGT's for two separate rotor housings so that i can detect a lean condition in one or the other.

An air/fuel gauge can do this for the engine but not for individual housings.

Where would i buy a k-thermocouple?

Chromel-Alumel. If I remember correctly it's "Type- K" and will be linear through that temperature range (it's linear range= -190C to 1260C). Just remember that your "digital temp guage" (is not a pyrometer) must be programmed to receive the millvolt output range of the thermocouple or at least that portion of the range displayed on the temp gage (Not a Pyrometer). If the temperature gage is not programmable then you must find the thermocouple that matches the input millivolt range of the temp gage.

A "pyrometer" does not have to be wired up and does not need a thermocouple to detect heat. A pyrometer is a non-contact detector and a thermocouple needs to make contact with the heat source. They are two totally different ways of measuring heat. A pyrometer optically detects and measures radiation and converts it to a temp measurement.

A thermocouple detects and measures molecular activity and converts it to a milli-volt signal.
I hope this info helps in your endevour.

Note; A thermocouple is just two dissimular metal wires that; when, connected at one end generate a linear millivoltage when heated. You can just tack weld them to your exhaust system. Or, you could weld it to a bolt and screw it into your system (bung). You should be able to buy them at radio shack or any simular electronics shop.. some VOMs (volt ohm meters) have a place to plug (the other end of the wires) thermocouples into and read-out the temp directly. They sell those at radio shack and other electrical shops also. You can look-them-over while your there. They might even have a cheap type k digital that you can plug the wires into..If you tack weld them you must make sure that the wires are still touching each other and not just the other metal otherwise you will get an error in your reading. So twist them together real good before tacking.
Type "K" just means one wire is chrome and the other is aluminum (alloys)

AEM - Advanced Engine Management 30-5131B Analog EGT SAE Gauge $176.24 AEM - Advanced Engine Management 30-5131B 305131B Analog EGT SAE Gauge; Black Face w/Red Pointer; Incl. Black/Silver Interchangeable Bezels/ K-Type Thermocouple Sensor; 0-5v Analog Output;

ApexI EL II Electronic Exhaust Gas Temperature (EGT) Gauge Black $236.99 ApexI EL II Electronic Exhaust Gas Temperature (EGT) Gauge BlackThe EL II System Meters are the newest addition to the EL Meters lineup. The 60mm System Meters utilize a main control unit which constantly monitors the movement of all of the gauges. T

ApexI EL II Electronic Exhaust Gas Temperature (EGT) Gauge White $236.99 ApexI EL II Electronic Exhaust Gas Temperature (EGT) Gauge WhiteThe EL II System Meters are the newest addition to the EL Meters lineup. The 60mm System Meters utilize a main control unit which constantly monitors the movement of all of the gauges. T

Revolution 2 1/16 Inch Exhaust Gas Temperature Custom Gauge 200-1600F with EGT Probe $167.95 Revolution 2 1/16 Inch Exhaust Gas Temperature Custom Gauge 200-1600F with EGT ProbeRevolution Gauges 270 degree sweep movement gauges are easier to read at the most important and critical threshold measurement points than lower cost and quality 90 d

Blitz Mirror Drive Carbon Electric Exhaust Gas Temperature (EGT) Gauage $327 Blitz Mirror Drive Carbon Electric Exhaust Gas Temperature (EGT) GauageIdentified by its "Mirror Face", the MD (Mirror Drive) Racing Meter features a carbon or white face and brushed aluminum bezel. The face of the gauge is back-lit with LED light bu

Blitz Mirror Drive White Electric Exhaust Gas Temperature (EGT) Gauage $327 Blitz Mirror Drive White Electric Exhaust Gas Temperature (EGT) GauageIdentified by its "Mirror Face", the MD (Mirror Drive) Racing Meter features a carbon or white face and brushed aluminum bezel. The face of the gauge is back-lit with LED light bul

Turbo XS DTEC-EGT $127.2 Turbo XS DTEC-EGT DTECEGT Sensor: DTEC EGT Sensor

Elation ZB-EGT $39.95 Elation ZB-EGT 120V-1000W, for Pro FS 1000 Get Your Elation ZB-EGT Today!

EGT STUDIO LAMP 120V 1000W $19.91 EGT STUDIO LAMP 120V 1000W

TurboXS DTEC EGT Sensor $158.99 TurboXS DTEC EGT SensorThe DTEC-EGT is a high quality type K thermal couple that allows the DTEC to monitor and log exhaust gas temperatures.

DiabloSport T1010 $229.95 DiabloSport T1010 T1010 TRINITY EGT GAUGE PACK

Edge 98600 Insight Thermocouple EGT Probe $79.98 Edge 98600 98600 Insight Thermocouple EGT Probe;

Blitz Gauges - 60mm BLM Series Exhaust Temperature Meter (EGT) [Universal - Fits all Cars] $259.7 "Identified by its ""Black Light"", the BLM (Black Light Meter) Racing Meter is the only gauge on the market featuring the unique black light illumination. Featured in a Carbon face and Chrome bezel, a black light bulb is installed in the front of the gauge; this process gives the meters a purplish fluorescent glow on the Blitz logo. BLM Racing Meters are available in boost, oil/water temperature, oil/water pressure, and exhaust temperature. All gauges include necessary hardware and sensors."

Maretron Tmp100 Exhaust Gas Temperature (egt) Probe $129.99 Maretron Tmp100 Exhaust Gas Temperature (egt) Probe . Maretron TP-EGT-1 TMP100 Exhaust Gas Temperature Probe

Ushio EGT, JS1000w 120vC Halogen Bulb $34.56 1000W/120V EGT, JS120V-1000WC/G22 Base, tungsten halogen, medium to high voltage, single-ended, 200 Hrs, HALOGEN - JS - G22 MEDIUM BIPOST BASE

AEM 19 Channel Serial Datastream Gauge $277.71 AEM 19 Channel Serial Datastream Gauge19 Gauges In One! AEM&#39s Serial Gauge plugs into the company&#39s Programmable EMS and has the ability to read 19 channels simultaneously to provide reference for all outputs, including boost, AFR, EGT, H2O, IA

Edelbrock Gauges - EGT Weldment Kit - 1/8 NPT [Universal - Fits all Vehicles] $9.45 "1/8"" NPT steel weld in bung for mounting EGT Probe into exhaust headers."

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BDC's Alky Videos - 25psi and EGT gauge view



What type of wire should i use to hook up my pyrometer and where?

yea i drive a 99 mustang gt 4.6L this is the link to my pyrometer..

http://www.upscaleautomotive.com/p-18883-auto-meter-phantom-52mm-full-sweep-electric-0-1600f-egt-pyrometer-gauge.aspx

i just need to know if its possible where i hook the other end, but i mainly need to know what kind of wire ill need?? any help would be great thanks

the same gauge of wire coming out of the gauge. probably 16 or 18ga.

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