Why One Air Velocity Reading Isn’t Enough for Duct Flow—and How Traverses Help
A single air velocity reading is rarely enough to calculate duct airflow because velocity is not uniform across the duct. Air usually moves at.
Why Infrared and Probe Thermometers Give Different Food Temperatures
An infrared thermometer reads the apparent temperature of a food surface, while a penetration probe measures temperature at the inserted sensor tip..
Gas Leak Detection vs Tightness Testing: Methods and Limits
Gas leak detection tries to locate escaping gas; a tightness test evaluates whether a defined section holds pressure according to an approved method..
Contact vs Optical Tachometers: How to Choose by Access and RPM
Use an optical tachometer when a safe line of sight is available and a contact tachometer when a permitted mechanical coupling is the better.
What Should a Food Delivery Temperature Check Record Include? Key Fields
A food delivery temperature check record should connect the actual temperature measurement to a shipment, product, time, method and acceptance.
What Should a Boiler Combustion Test Report Include? Essential Readings and Details
A useful boiler combustion report must show the actual measured conditions, not only a calculated efficiency figure. The report should identify the.