Author Archives: Khanh Nguyen
Renting Test Equipment: Who Owns the Calibration?
TL;DR: With calibrated equipment rental, the instrument arrives with someone else’s calibration history. Ask for...
The Equipment List That Gets You an Accurate Calibration Quote
TL;DR: Most quote delays are missing information, not busy laboratories. Each line item needs seven...
Biomedical Test Equipment Calibration: What a CE Team Sends Out
TL;DR: Clinical engineering calibrates the testers, not the medical devices. Six families make up most...
How to Write a Calibration Procedure (6 Sections Auditors Check)
TL;DR: A calibration procedure exists so two technicians on two different days get the same...
RF Attenuator and Passive Device Calibration Guide
TL;DR: RF passives drift mechanically, not electronically. Calibration produces attenuation versus frequency (not one number),...
Current Probe, Shunt and Clamp Meter Calibration Guide
TL;DR: Current is measured indirectly, so calibration has to cover the transducer ratio (mV per...
Insulation Tester Repair: Live Circuits, Leads and Discharge Faults
TL;DR: Most insulation tester repair starts with a tester that was connected to a live...
Calibration for Contract Manufacturers: One Program, Many Customers
TL;DR: A contract manufacturer runs one calibration program against many customers’ requirements, so build it...
How Lab Environment Changes Your Measurements (Temperature, Humidity, Soak Time)
TL;DR: Environment is a real uncertainty contributor, not housekeeping. Temperature (specifications are usually stated near...
Pressure Calibrator Rental: Range, Medium, Accuracy and Certificate
TL;DR: Specify a pressure calibrator rental by range including any vacuum, pneumatic or hydraulic medium,...