Extech Dual Laser Video IR Video Thermometer VIR50 User's Manual & Instructions
Summary
This professional Video IR Thermometer offers high accuracy for precise temperature analysis via both non-contact and contact measurements. Featuring an embedded camera, laser pointer, and dual humidity/air temperature readings, it excels at documenting thermal events with video or still photos. This comprehensive manual details the instrument's operation across all optimized modes, including Infrared-only, Video+, Dew Point, and Datalogging, ensuring expert users can maximize performance for various industrial and technical applications.
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User’s Manual
Dual Laser Video IR Video Thermometer
MODEL VIR50
Page Summary Contents For Extech Dual Laser Video IR Video Thermometer VIR50 User's Manual & Instructions
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User’s Manual Dual Laser Video IR Video Thermometer MODEL VIR50
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Introduction Congratulations on your purchase of the Video IR Thermometer. This meter is capable of making non-contact (infrared) and contact (thermocouple) temperature measurements. The built-in came...
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Meter Description 1. LCD Display 2. Push-buttons (UP/Picture, ESC, and DOWN/VIDEO) 3. Measurement Trigger 4. Retractable Lens Cover 5. Camera, Lasers, and IR sensor 6. Compartment for Type-K jack, USB...
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Operation Power ON / OFF / RESET 1. The instrument is powered by one (1) rechargeable battery (3.7V). The battery is housed in the compartment in the meter’s handle. 2. The supplied battery charger co...
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Video + IR mode In the Video + IR Mode the meter can measure IR temperature, air temperature, humidity, dew-point temperature, and wet bulb temperature, along with full use of the video camera capabil...
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IR-only mode In the IR-only Mode the meter can measure IR temperature, air temperature, air humidity, dew-point temperature, and wet bulb temperature but without the video camera capabilities. The IR ...
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Datalogging Mode The datalogger automatically records readings to memory at a programmed interval. In the Datalogging mode, the high/low alarm values, low alarm value, datalogging interval sampling ra...
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System Tools Settings From the Video + IR, IR-only, or Dew Point modes, press the ENTER button to access the soft-key screen. The System Tools is the icon on the left. Use the arrow buttons to scroll ...
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Setting the Date and Time Use the ENTER key to scroll to the desired digit and then use the ▲ and ▼ buttons to change the number. Use the ESC button to exit this mode and save the date and time. Setti...
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Setting the Auto Power off time Use the ▲ and ▼ buttons to disable or select an auto-power-off time, press the ESC button to exit and save. Setting the Screen Timeout Use the ▲ and ▼ buttons to disabl...
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Factory Default Setting Use the ▲ and ▼ buttons to select either YES (revert to the factory default settings) or NO (cancel). Press the ESC button to exit and save. Measurement Settings From the Video...
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Emissivity setting Use the arrow buttons to highlight an emissivity setting and then press ENTER to choose it. Select emissivity by description (concrete, glass, etc.) or select ε=0.94 to set the emis...
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Auto Mode (Measure Lock) Use the ▲ and ▼ buttons to enable or disable auto mode, press the ESC button to exit and save. If auto mode is enabled and the ESC button is then pressed, the meter will enter...
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Type k Use the ▲ and ▼ buttons to enable or disable the Type k contact thermocouple input. Press the ESC button to exit and save. NOTE: If a Type-k probe is inserted into the meter’s thermocouple jack...
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Transfer files to a PC Connect the USB cable from the thermometer to a USB port on the pc or insert the micro SD card into the SD port on the pc.. If the USB cable is used, the USB symbol will appear ...
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IR Measurement Notes 1. The object under test should be larger than the spot (target) size calculated by the field of view diagram (printed on the side of the meter and in this guide). 2. Before measu...
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Emissivity and IR Measurement Theory IR Thermometers measure the surface temperature of an object. The thermometer’s optics sense emitted, reflected, and transmitted energy. The thermometer’s electron...
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Specifications Infrared Thermometer Specifications Range -58 to 3992o F (-50 to 2200o C) Resolution 0.1o C/F < 1000; 1o C/F > 1000 Accuracy -50°C to -20°C (-58°F to -4°F) Not specified -19.9°C t...
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General Specifications Display 2.2” Color TFT LCD (320 x 240 pixels) Digital Camera 640 x 480 pixels Operating Temperature 0°C to 50°C (32°F to 122°F) Memory Internal flash: 49Mbyte, Micro SD card: Ma...
Manual Details
| Brand | Laser |
|---|---|
| Pages | 19 |
| File Size | 751.01 KB |
| Published | May 29, 2026 |
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Frequently Asked Questions
How do I perform a hard reset on the unit?
If the instrument freezes, insert a paper clip into the Reset opening to trigger the function.
What measurement modes are available?
The four available modes are Video + Infrared, Infrared-only, Dew Point, and Datalogging mode.
How long should I wait after powering on for accurate results?
Wait 30 seconds after powering on to allow the meter to stabilize before taking readings.
What is the maximum capacity of the Micro SD card slot?
The device can accommodate a micro SD card with a maximum capacity of 8 Gbytes.