The visual advantage of an infrared heat map, combined with the convenience of a spot thermometer for surface temperature, the VT04A eliminates the need for multiple tools and measurements. Featuring Pyroblend Plus optic it produces a 4x sharper image than the VT02 enabling users to easily detect potential problems and troubleshoot early. The VT04A includes all the great features of the VT04 but is powered by AA batteries, ideal for technicians in the field where a non-contact laser thermometer is essential.
Store up to 10,000 images per GB on the SD card included.
Features and Benefits:
• Temperature range -10°C to +250°C • Heat map over lay at 0%, 25%, 50%, 75% and 100% • Pocket-size design • 3 screen brightness levels • High/Low temperature alarms • Configurable auto-off • Persistent settings - pick up where you left off
How accurate are infrared thermometers?
The majority of IR thermometers have a measurement error specification, which shows their best accuracy. The surface being measured can also affect accuracy. Reflective objects result in lower measurements than the actual temperature, whilst non-reflective surfaces give higher measurement. The emissivity of a surface is how effective it is at emitting energy as thermal radiation, as such some IR thermometers have adjustable emissivity settings. Distance to spot ratio is also essential in providing accurate temperature measurements, if an infrared thermometer is too close to its target area, heat can build up in the device. This can give false readings or damage the temperature sensors, therefore it is essential to always follow a manufacturers guidelines.