This thermometer only goes to 500 degrees. If i exceeed the limit, above 500degrees, will it throw off the calibration permanently?

I guess so mine was WAY off and they refused to replace it, despite having me take pictures and a video of the tel-tru and 2 different digital temp gauges

If this thermometer moisture/rainproof?

It is "hermetically sealed", so, yes, it is rainproof.

Will this fit the Oklahoma joe highland? Or which model will without hole modification

Yes. It will fit with no modifications .

"Is there a backing nut included?"

No it is not included. must be purchased separately:

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Tel-Tru BQ300 Barbecue Thermometer, 3 inch Aluminum Zoned dial, 4 inch stem, 100/500 Degrees F

Product ID: 13429090

Details

Age Range (Description)
Adult
Brand
Tel-Tru
Color
Red
Display Type
Analog
Included Components
4 inch stem 3
Outer Material
Aluminum

🔧1/2" NPT secure installation

⏱️500ms fast response time

🌡️100-500°F precision range

$121.19

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Grill Like a Pro, Never Miss the Mark!

DURABLE BUILD - 304 stainless steel stem and aluminum dial built to withstand outdoor grilling conditions
RAPID RESPONSE - 500 millisecond response ensures you never miss the ideal cook window
PRECISION ZONED DIAL - Anodized aluminum dial with clear red zones for perfect BBQ temps every time
PERFECT FIT INSTALLATION - 1/2" NPT connection fits standard 7/8" drill holes for hassle-free setup
RETRO STYLE MEETS FUNCTION - Classic analog display with a 3-inch dial blends vintage charm with modern accuracy

The Tel-Tru BQ300 Barbecue Thermometer features a 3-inch anodized aluminum zoned dial and a 4-inch 304 stainless steel stem, delivering precise temperature readings from 100 to 500°F with a rapid 500ms response time. Designed for outdoor grills, smokers, and cookers, it installs easily via a 1/2" NPT connection into a 7/8" drill hole, combining durable materials with a retro analog style for reliable, professional-grade BBQ monitoring.

Specifications

ASIN	B0052EKQI0
Additional Features	aluminized zoned dial
Age Range Description	Adult
Best Sellers Rank	#110,579 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #213 in Weather Thermometers #278 in Grill Thermometers
Brand Name	Tel-Tru
Color	Red
Customer Reviews	4.7 4.7 out of 5 stars (307)
Display Type	Analog
Immersion Depth	4 Inches
Included Components	4 inch stem, 3 inch aluminum zoned dial
Indoor Outdoor Usage	Outdoor
Item Length	10.2 Centimeters
LowerTemperature Range	100 Degrees Fahrenheit
Manufacturer	Tel-Tru Manufacturing Co.
Model	BQ300
Model Name	Tel-Tru BQ300
Outer Material	Aluminum
Part Number	351L04FBAKLAAAA
Power Source	Battery Powered
Product Care Instructions	Wipe Clean
Resolution	1 degree fahrenheit
Response Time	500 Milliseconds
Reusability	Reusable
Smart Home Compatibility	Not Smart Home Compatible
Style Name	Retro
UPC	855026003081
Unit Count	1 Count
Upper Temperature Range	500 Degrees Fahrenheit

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TrustScore 4.5 | 7,300+ reviews

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$121.19

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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