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DT-8812 Professional Non-Contact Infrared Thermometer

$123.00/ea

Usually ships within 3-5 business days

OVERVIEW

Essential Temperature Control for Quality Welding

In the world of professional welding, temperature control is often the difference between a code-compliant weld and a failed inspection. The DT-8812 Digital Infrared Thermometer Gun is a critical accessory for welders and fabricators who need to strictly adhere to Welding Procedure Specifications (WPS). Accurate monitoring of preheat and interpass temperatures is vital for preventing cracking, minimizing distortion, and ensuring the metallurgical integrity of the joint, especially when working with high-strength steels, chromoly, or heavy sections. This non-contact thermometer allows you to check the base metal temperature instantly without contaminating the surface or waiting for contact probes to stabilize.

Accurate Readings from a Safe Distance

Safety and accuracy go hand-in-hand with the DT-8812. Its 12:1 optical resolution enables welders to stand at a safe distance from the intense heat of the arc or preheating torch while still obtaining a precise measurement of the weld zone. The dual laser sighting system is particularly useful in fabrication shops; it clearly indicates the area being measured, ensuring you are reading the metal temperature and not the surrounding table or fixture. With a temperature capacity reaching up to 800°C (1472°F), this unit handles the heat requirements for virtually all standard welding processes, including post-weld heat treatment monitoring.

Rugged and Reliable for the Shop Floor

Designed for the rigors of the workshop, the DT-8812 is built to be a reliable daily driver. The interface is simple and intuitive, featuring a trigger-pull operation that delivers readings in under a second. The backlit display ensures you can read the temperature even when wearing a welding helmet or working in shadowed areas of a large assembly. The unit comes with a fixed emissivity of 0.95, which is suitable for most oxidized steel surfaces, painted metals, and organic materials. For shiny or polished metals, we recommend using a high-temperature matte marker or tape to ensure accurate thermal readings.

Why Welders Choose the DT-8812

  • Code Compliance: Easily verify that your workpiece meets the minimum preheat requirements specified in AWS or ASME codes.
  • Interpass Monitoring: Quickly scan the weld joint between passes to ensure the metal has not exceeded the maximum interpass temperature.
  • Equipment Protection: Monitor the operating temperature of welding machine power sources, water coolers, and torch heads to prevent overheating.
  • Efficiency: Instant readings mean less downtime waiting for temperature sticks to melt or contact probes to equilibrate.
Additional Information
Packaging Description:1 per each
Temperature Range:-50°C to 800°C (-58°F to 1472°F)
Distance To Spot Ratio (DS):12:1
Emissivity:Fixed 0.95
Response Time:< 1 second
Laser Targeting:Dual Laser
Resolution:0.1°C/°F
Battery Type:9V Battery
Temp:N/A

INCLUDED

  • 1 x DT-8812 Infrared Thermometer Gun
  • 1 x 9V Battery
  • 1 x User Manual
  • 1 x Carrying Case

APPLICATIONS

  • Welding preheat monitoring
  • Interpass temperature verification
  • Post-weld heat treatment checks
  • HVAC system diagnostics
  • Electrical panel and breaker inspection
  • Automotive engine and exhaust troubleshooting
  • Industrial machinery maintenance (bearings, motors)
  • Asphalt and concrete temperature checking

FAQ

The DT-8812 features a 12:1 Distance-to-Spot ratio. This means that if you are 12 inches away from the target, the device measures a spot that is 1 inch in diameter. For accurate readings, ensure your target is larger than the spot size.

Infrared thermometers with fixed emissivity (0.95), like the DT-8812, struggle with shiny, reflective surfaces because they reflect ambient infrared energy. To get an accurate reading on shiny metals, we recommend applying a piece of masking tape or a spot of matte black paint/marker to the surface and measuring that area.

The DT-8812 typically has a switch located inside the battery compartment or a mode button on the control panel that allows you to toggle between °C and °F units easily.

This unit operates on a standard 9V battery. The device includes an auto power-off feature to help extend the battery life during field use.

Yes, the DT-8812 is excellent for checking interpass temperatures. Its fast response time (<150ms) allows you to quickly verify the metal temperature between weld passes without significant delay.

No, the laser pointers are only for aiming purposes to show you the center or the boundaries of the area being measured. The infrared sensor lens located below the lasers performs the actual temperature measurement.

The DT-8812 can measure temperatures up to 800°C (1472°F), making it suitable for most preheat and industrial heating applications.

The DT-8812 generally has an accuracy of ±1.5% of the reading or ±2°C/3.6°F (whichever is greater), which is sufficient for most industrial and welding code requirements.