Blog
Outside Micrometer Calibration: Flatness, Parallelism and Linearity Checks
How an ISO/IEC 17025 lab calibrates an outside micrometer: gage block linearity points, optical flat...
Oscilloscope Probe Calibration: Compensation, Attenuation and Bandwidth
An oscilloscope is only as accurate as the probe connected to it. A calibrated scope...
Biological Safety Cabinet Certification: NSF/ANSI 49 Field Testing
A Class II biological safety cabinet protects three things at once: the operator, the product...
Fume Hood Testing and Certification: Face Velocity, Smoke and ASHRAE 110
A laboratory fume hood is the main protection between a chemist and the vapors they...
Gauss Meter Calibration: Hall Probes, Reference Magnets and Zero Offset
Gauss meters (teslameters) measure magnetic flux density. They are used for checking magnetizers and demagnetizers,...
Temperature Probe and Sensor Calibration: RTDs, Thermocouples and Thermistors
Temperature probes and sensors sit at the heart of autoclaves, ovens, freezers, process lines and...
Glass Scale Calibration for DROs, Comparators and Measuring Machines
Glass scales (linear encoders) sit inside digital readouts on mills and lathes, optical comparators, video...
Microscope Calibration: Stage Micrometers, Reticles and Imaging Software
If a microscope is only used to look at things, it needs cleaning and alignment,...
Moisture Meter Calibration: Pin, Pinless, Grain and Analyzer Types
“Moisture meter” covers several very different instruments. A pin meter in a sawmill, a pinless...
Refractometer Calibration: Zero, Span and Temperature Checks
A refractometer turns the way light bends in a sample into a concentration reading: °Brix...