Why IR Reflective Tape Distorts Temperature Readings: Emissivity and Spot Size
Reflective tape can distort an infrared thermometer reading because the instrument detects radiation from the surface and its surroundings, not a.
NOx Emissions Testing: Measurement Methods and Instruments : NOx measurements require an explicit reporting
NOx emissions testing measures nitrogen oxide compounds in exhaust gas under defined operating and sampling conditions. A reported NOx result is.
Electrical Test Meters Explained: Voltage, Current, Continuity and Safe Testing
Voltage, current and continuity answer different electrical questions. A voltage test checks potential difference, a current measurement checks current.
How to Use a Carbon Monoxide Tester for Ambient Air Checks: Safe Steps and Reading Tips
Use a suitable ambient CO meter to measure carbon monoxide in room air, not the concentration inside a flue. Record instrument status and the.
How to Measure Negative Pressure in HVAC Systems: Reference Points, Testing Steps and Limits
Negative pressure means one measured location is at a lower static pressure than the location used as the reference. Measure the difference with the.
Infrared Thermometer Calibration Certificates: What to Check
A calibration certificate describes a comparison of an infrared thermometer against defined references under specified conditions. It is not a.