The UNI-T UT302D+ measures surface temperatures from -32°C to 1100°C with a 20:1 distance-to-spot ratio and fast 250ms response. Its dual-laser targeting, 99-group memory and adjustable alarms support non-contact temperature checks in industrial maintenance, HVAC and automotive applications.
Key Features
- Wide temperature range – Measures from -32°C to 1100°C
- Dual-laser targeting – Helps identify the measurement area
- 20:1 distance ratio – Supports measurement from a distance
- Fast response – Produces readings within 250ms
- Adjustable emissivity – Stores five preset values
- Data memory – Saves 99 readings with date and time
- Multiple modes – MAX, MIN, AVG, DIFF and Hold
- Adjustable alarms – Provides audible and visual warnings
Product Specifications
| Brand |
UNI-T |
| Model |
UT302D+ |
| Product Type |
Infrared Thermometer |
| Measurement Method |
Non-contact infrared measurement |
| Distance-to-Spot Ratio |
20:1 |
| Response Time |
250ms |
| Emissivity |
0.1–1.0 adjustable, with five preset storage sets |
| Spectral Response |
8–14μm |
| Laser Type |
Dual laser |
| Laser Power |
<1mW |
| Display |
35 × 35mm colour EBTN display |
| Data Storage |
99 groups with date and time |
| Measurement Modes |
MAX / MIN / AVG / DIFF / Hold |
| Temperature Units |
°C / °F |
| Power Supply |
9V battery |
| Drop Test |
1m |
| Tripod Mounting Hole |
Yes |
| Dimensions |
172 × 113.5 × 53mm |
| Net Weight |
310g |
| Certificates |
CE, UKCA |
Measurement Specifications
| Temperature Range |
-32°C to 1100°C |
| Accuracy at ≥0°C |
±1.5°C or ±1.5%, whichever is greater |
| Accuracy Below 0°C |
±(1.5°C + 0.1°C/°C) |
| Repeatability |
0.7°C or 0.7% |
Additional Functions
- Scheduled measurement
- Lock measurement mode
- High and low temperature audible alarm
- High and low temperature LED alarm
- Automatic power off
- Low-battery indication
- Display backlight
Operating Conditions
| Operating Temperature |
0°C to 50°C |
| Storage Temperature |
-20°C to 60°C |
| Operating Humidity |
<90%RH, non-condensing |
Applications
- HVAC system inspection and maintenance
- Motor, bearing and rotating-equipment checks
- Electrical panel and connection inspection
- Automotive diagnostics and exhaust-system testing
- Industrial process and machinery monitoring
Included Components
- UNI-T UT302D+ Infrared Thermometer
- 9V battery
- Carrying bag
- User manual