Fluke VT04A, VT02 user manual On-Screen Comparison of DS Ratio

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Visual IR Thermometer

Menu Functions

Figure 8 shows how the D:S ratio compares on-screen for both models. The higher the ratio, the smaller the target area needs to be for an accurate measurement. Figure 9 illustrates the detection ability.

VT02 D:S = 6:1

VT04A/VT04 D:S = 9:1

hak21.eps

Figure 8. On-Screen Comparison of D:S Ratio

A

B

Can detect a 1" spot in your field of view that

is at least 5 °C different from the surrounding area.

	A	B

VT02	25 mm @ 762 mm	1 in @ 30 in

VT04A/VT04	25 mm @ 1090 mm	1 in @ 43 in

hak14.eps

Figure 9. Detection Ability

17

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Contents VT02, VT04A, VT04 Limited Warranty and Limitation of Liability Table of Contents VT02, VT04A, VT04 List of Tables VT02, VT04A, VT04 List of Figures VT02, VT04A, VT04 Introduction Safety Information How to Contact FlukeVisual IR Thermometer VT04A Before You StartStart-Up Screen and Status Indicator Power On and OffRechargeable Battery Rechargeable BatteryFeatures and Controls Image Blending Button OperationVisual Image Alignment Visual Image Alignment ControlMicro SD Memory Card Warning Icons Capture and SaveBasic Navigation Menu FunctionsParameter Adjustment Menu Icons Description VT02 Emissivity Review Memory Warning Temperature MeasurementTemperature Measurement Accuracy On-Screen Comparison of DS Ratio Color Palette Reflected Background TemperatureHot and Cold Markers Date and Time Temperature UnitsHigh/Low Temperature Alarm High/Low Temperature Alarm VT04A, VT04To set the time-lapse Time-Lapse Image Capture VT04A, VT04To stop the Auto-Monitor Alarm Auto-Monitor Alarm VT04A, VT04Image Capture Scenarios for Auto-Monitor Alarm Auto Off VT04A, VT04 Factory Reset VT04A, VT04LCD Brightness VT04A, VT04 BMP File Format VT04A, VT04Smartview Software MeasurementsHow to Clean Maintenance  Caution Battery CareVT02, VT04A VT04 SpecificationsImage Presentation Controls and Adjustments Batteries