VICTOR 303B Digital Laser Infrared Thermometer Temperature Gun Non Contact with Battery
The VICTOR 303B Digital Laser Infrared Thermometer is a professional non-contact temperature gun designed for fast and accurate measurements from -20℃ to 550℃. It features laser targeting, a backlit LCD display, over-temperature alarm, and automatic shutdown. With high measurement accuracy and adjustable emissivity, it delivers reliable performance for industrial, electrical, automotive, and laboratory applications. Powered by a 9V battery, it ensures convenient and efficient temperature detection.
جهاز VICTOR 303B لقياس الحرارة بالأشعة تحت الحمراء هو ميزان حرارة ليزري رقمي بدون تلامس، يتميز بدقة عالية ونطاق قياس واسع من -20℃ إلى 550℃. يتيح قياس درجة الحرارة بسرعة خلال 0.5 ثانية مع شاشة LCD بإضاءة خلفية، وإنذار ارتفاع الحرارة، وإيقاف تلقائي. مزود بمؤشر ليزر لتحديد الهدف بدقة، ومناسب للاستخدام الصناعي والصيانة والكهرباء والمختبرات، ويعمل ببطارية 9 فولت.
The VICTOR 303B Digital Laser Infrared Thermometer is a professional handheld non-contact temperature measuring device designed for fast, safe, and precise surface temperature detection. Equipped with a high-quality HEIMANN infrared sensor, this device ensures stable performance and accurate readings across a wide temperature range.
The thermometer allows users to measure object temperatures instantly by simply aiming the laser at the target surface and pressing the trigger. It includes practical features such as LCD backlight, over-temperature alarm, adjustable emissivity, and automatic power-off for energy saving.
Technical Specifications
Measurement Performance
Temperature Range: -20℃ to 550℃ (-4℉ to 1022℉)
Display Resolution: 0.1℃ / 0.1℉
Measurement Accuracy: ±2.0℃ or ±2% (±3.0℃ at 0℃–25℃, whichever is greater)
Measurement Time: ≤0.5 second
Distance to Spot Ratio (D:S): 12:1
Emissivity: Adjustable from 0.1 to 1.00
Display
4-digit LCD display
Backlight function
Selectable temperature units (℃ / ℉)
Power & Operation
Power Supply: One 9V battery (NEDA1604 / 6F22 or equivalent)
Power Consumption: ≤50mW
Automatic Shutdown: 60 seconds
Operating Conditions
Working Temperature: 10℃ to 30℃
Storage Temperature: -10℃ to 40℃
Relative Humidity: ≤90%
Physical Specifications
Size: 147 × 92 × 43 mm
Basic Size Reference: 97 × 43 × 160 mm
Weight: 168g (approx.), battery excluded
Standard Packaging: Blister packaging
Safety Standard
Complies with European CE safety standards
Applications
Industrial temperature measurement
Electrical equipment inspection
Automotive diagnostics
HVAC system testing
Mechanical maintenance
Laboratory testing
Food processing surface checks
| Signs | Sign Function Description |
| Up | Functional Key: Press “EMITM” key to select the setting of emissivity, with the sign “ ” displayed simultaneously; press “up” key for upward adjustment; keep pressing the measuring key, and then press “up” key to turn on and off backlight. |
| Down | Functional Key: Press “EMITM” key to select the setting of emissivity, with the sign “ ” displayed simultaneously; press “down” key for downward adjustment; keep pressing the measuring key, and then press “down” to turn on and off infrared laser light. |
| Select | Functional key: Press the key circularly to select maximum value (MAX), average value (AVG), minimum value (MIN), the difference between the maximum value and minimum value (DIF), data hold (HOLD), low temperature alarm (LAL), high temperature alarm (HAL), zero offset adjustment (offset), and emissivity setting (E). |
| EMITM | Press “EMITM” key to select the setting of emissivity, with the sign “ ” displayed simultaneously; and trigger “up” and “down” to adjust the emissivity. |
| Down | Press this key to select the conversion of Cels degree |
| ℃ | Temperature unit: Celsius degree |
| ℉ | Temperature unit: Fahrenheit degree |
| Auditory tone cues | |
| The appearance of the sign “ ” indicates over low battery voltage. | |
| The appearance of the sign “HR” indicates over-high ambient temperature. |