English Datasheet

Digital InfraRed Video Thermometer
2.2" Color TFT LCD and Built-in 640 x 480 Camera
With a microSD card for capturing images (JPEG) and video (3GP) for viewing on your PC
• Dual laser indicates ideal measuring distance where the
two laser points converge to a 1” target spot
• Fast 150 millisecond response time
• Color LED bargraph for viewing trends
• Type K Thermocouple input
• Air Temperature and Relative Humidity measurement
• Adjustable emissivity increases measurement accuracy
for different surfaces
Dual Laser
• Adjustable High/Low set points with audible alarm alerts
user when temperature exceeds the programmed set points
IR Thermometer
• MAX/MIN/AVG/DIF functions
• Trigger lock function for continuous readings
✓ Dual lasers identify exact
• USB interface
measuring spot when they
converge to a single spot
• Auto power off
✓ 50" distance to 1" target
• Double molded housing
• Complete with microSD card, general purpose Type K bead
wire probe, USB cable, rechargeable 3.7V battery, and
carrying case
Laser Convergence Distance
IR Temperature Range
Large 2.2" color video LCD displays measurement
area with temperature/humidity, min/max/avg, date,
and time stamp
Upload images and videos to a PC or laptop for further analysis or
use for report documentation.
Basic Accuracy
Max resolution
Field of View (Distance to Target)
Type K Temperature Range
Air Temperature Range
Relative Humidity
LCD Display
50" (127cm)
-58 to 3992°F (-50 to 2200°C)
±0.5% or 1.8°F/1°C
±(1% of rdg + 4°F/2°C) (31 to 212°F)
0.10 to 1.00 Adjustable
-58 to 2498°F (-50 to 1370°C)
32 to 122°F (0 to 50°C)
0 to 100%RH
2.2” TFT 320 x 240 pixels
640 x 480 pixels
7.4x6.0x2.2" (189x152x57mm)
17.4oz (494g)
Ordering Information:
VIR50....................Dual Laser Video IR Thermometer
VIR50-NISTL* ......VIR50 with Certificate of Traceability to NIST
BATT-37V ............Rechargeable 3.7V battery
*VIR50-NISTL - Limited NIST for Certifcate of Traceability to type K and max IR Temperature of 1500°F (815°C)
Specifications subject to change without notice.
7/27/11 - R1
Copyright © 2010 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.