UNI-T UT309C Professional Infrared Thermometer IP65 650°C

UNI-T UT309C Professional Infrared Thermometer IP65 in Sri Lanka

Rugged IP65 Dual Laser IR Thermometer with Adjustable Emissivity – 650°C

The UNI-T UT309C Professional Infrared Thermometer is a rugged, IP65-rated non-contact temperature meter designed for demanding industrial environments. With a dual laser targeting system, adjustable emissivity, and 12:1 distance-to-spot ratio, it delivers accurate surface temperature measurements up to 650°C on electrical panels, HVAC systems, transport equipment, and rotating machinery components across Sri Lanka's industrial sector.

Explore our full range of Infrared Thermometers – non-contact, laser, and industrial temperature meters in Sri Lanka!

Built to the highest protection ratings in the UT309 series — IP65 dust and water ingress protection combined with 3m drop proof certification — the UT309C withstands the harshest workshop and field conditions. Its 250ms rapid response time and high/low alarm functions make it a dependable precision tool for maintenance engineers performing electrical distribution inspections, HVACR diagnostics, and transportation equipment servicing.

Technical Specifications

Temperature Range: -35°C to +650°C (-31°F to +1202°F)

Accuracy: ±1.8°C or ±1.8% of reading (±3.6°F or ±1.8%)

Resolution: 0.1°C

Distance-to-Spot Ratio: 12:1

Emissivity: 0.1~1.0 adjustable

Laser Type: Dual, Class 2

Laser Power: <1mW | Wavelength: 630nm~670nm

Spectral Response: 8μm~14μm

Response Time: 250ms (95% of reading)

Display: LCD with backlight (32 × 29mm)

IP Rating: IP65

Drop Proof: 3m

Power: 9V battery (6F22)

Product Size: 189 × 118 × 55mm

Net Weight: 292g

Certifications: CE, UKCA

Key Features

IP65 Dust and Water Resistance: Fully protected against dust ingress and low-pressure water jets — ideal for outdoor and wet industrial environments

3m Drop Proof: Survives accidental drops in field and workshop conditions without calibration loss

Dual Laser Targeting: Precisely marks the measurement boundary for accurate spot alignment at working distance

Adjustable Emissivity (0.1–1.0): Ensures accurate readings on metals, painted surfaces, plastics, and other non-blackbody materials

MAX / MIN / AVG / DIFF Modes: Comprehensive data capture for process monitoring and thermal trend recording

High / Low Temperature Alarm: Configurable visual and audio alerts for threshold-based monitoring

Data Hold / Lock Measurement: Freeze readings for safe recording in difficult-to-reach locations

Laser On/Off: Disable laser when operating near sensitive or reflective surfaces

Tripod Mounting Hole: Supports fixed-position monitoring setups

Auto Power-Off: Extends battery life during field service routes

°C / °F Switchable: Flexible unit selection

Applications

Electrical distribution panel and switchgear hotspot detection

HVACR system surface temperature inspection and diagnostics

Transportation and automotive equipment thermal checks

Rotating machinery bearing and casing surface monitoring

Industrial instrument and equipment repair diagnostics

Package Includes

1 × UNI-T UT309C Infrared Thermometer main unit

9V battery (6F22, installed)

Carrying bag

English user manual

For advanced applications requiring onboard data logging, scheduled automatic measurement, and a colour EBTN display, the UNI-T UT309E Professional Infrared Thermometer adds 99-set data storage and automated measurement scheduling to the same rugged IP65 platform.

Downloads

📄 Download UNI-T UT309C Data Sheet
📄 Download UNI-T UT309C User Manual