UT309A HVAC Infrared Thermometer

UT309A HVAC Infrared Thermometer

The UT309A HVAC Infrared Thermometer is a professional non-contact temperature measurement device designed specifically for HVAC technicians, electricians, engineers, and industrial maintenance professionals. This infrared thermometer allows users to measure surface temperatures quickly without touching the object. As a result, technicians can safely inspect heating systems, refrigeration equipment, electrical panels, and industrial machinery from a safe distance.

Moreover, the UT309A HVAC Infrared Thermometer uses advanced infrared sensing technology to detect thermal radiation emitted from the target surface. The device converts this radiation into an accurate digital temperature reading displayed instantly on the screen. Therefore, technicians can perform fast temperature diagnostics during maintenance, troubleshooting, and inspection tasks.

In addition, the thermometer offers a temperature measurement range from -35°C to 450°C, which makes it suitable for many HVAC and electrical applications. Because of this wide range, technicians can inspect compressors, pipes, ventilation systems, electrical panels, and mechanical equipment effectively.

Furthermore, the UT309A HVAC Infrared Thermometer features a 10:1 distance-to-spot ratio, allowing accurate measurements from a practical working distance. This optical resolution ensures reliable readings when measuring typical HVAC components and electrical equipment.

Another important advantage of this thermometer is its high measurement accuracy of ±1.8°C or ±1.8%, which ensures dependable results in professional environments. In addition, the device provides a fast response time of about 250 ms, enabling technicians to capture temperature changes quickly during inspections.

The device also includes several useful functions such as MAX/MIN/AVG temperature measurement, data hold, backlit LCD display, temperature alarms, and automatic power-off. These features help technicians identify overheating components and read measurements clearly even in low-light environments.

Because of its rugged construction and professional measurement capabilities, the UT309A HVAC Infrared Thermometer is widely used in HVAC maintenance, electrical inspections, automotive diagnostics, and industrial equipment monitoring.

Key Features

• Non-Contact Temperature Measurement
  Measures surface temperature safely without touching the object.

• Temperature Range
  Measures temperatures from -35°C to 450°C.

• 10:1 Distance-to-Spot Ratio
  Allows accurate measurements from a safe working distance.

• High Measurement Accuracy
  Accuracy of ±1.8°C or ±1.8% for reliable readings.

• Fast Response Time (~250 ms)
  Provides instant temperature measurements.

• Laser Targeting System
  Helps technicians aim precisely at the measurement area.

• Backlit LCD Display
  Ensures clear readings in dark environments.

• Data Hold and Alarm Functions
  Allows recording of readings and alerts when temperature limits are exceeded.

Applications

The UT309A HVAC Infrared Thermometer is commonly used in many professional temperature monitoring tasks, including:

• HVAC system maintenance and diagnostics

• Air conditioning and refrigeration inspection

• Electrical panel temperature inspection

• Motor and compressor monitoring

• Industrial equipment maintenance

• Automotive temperature diagnostics

Technical Specifications (Datasheet)

• Model: UNI-T UT309A

• Product Type: HVAC Infrared Thermometer

• Temperature Range: -35°C to 450°C

• Accuracy: ±1.8°C or ±1.8%

• Resolution: 0.1°C / 0.1°F

• Distance-to-Spot Ratio: 10:1

• Response Time: ≈250 ms

• Spectral Response: 8µm – 14µm

• Laser Type: Class II (<1 mW)

• Laser Wavelength: 630–670 nm

• Display: Backlit LCD (32 × 29 mm)

• Power Supply: 9V battery