Step-by-step calibration procedures for 37 instrument types. Each guide includes required standards, acceptance criteria, typical intervals, and troubleshooting. All procedures are aligned with ISO/IEC 17025 and AS9100 requirements.
pH Meter
6 steps · Daily or weekly verification; formal calibration every 6 months
Conductivity Meter
6 steps · 6 to 12 months; weekly verification for pharmaceutical water
Refractometer
6 steps · 12 months; daily verification with distilled water
Hygrometer
7 steps · 12 months for laboratory-grade; 6 months for high-duty industrial use; field check quarterly with saturated-salt reference
Digital Caliper
7 steps · 12 months
Micrometer
6 steps · 12 months
Coordinate Measuring Machine
6 steps · 12 months, with monthly interim checks
Ring Gage
6 steps · 12 months, or based on usage frequency
Plug Gage
6 steps · 12 months, or based on usage frequency
Thread Gage
6 steps · 12 months, or based on usage frequency
Surface Roughness Tester
6 steps · 12 months, with periodic checks using reference specimens
Dial Indicator
6 steps · 12 months
Height Gage
6 steps · 12 months
Depth Gage
6 steps · 12 months
Gage Blocks
6 steps · 12 to 60 months depending on grade and usage
Bore Gage
6 steps · 12 months
Pin Gage
6 steps · 12 months, or based on usage
Optical Comparator
6 steps · 12 months
Profilometer
6 steps · 12 months, with periodic reference specimen checks
Coating Thickness Gauge
6 steps · 12 months; daily verification with certified shims
Torque Wrench
7 steps · 12 months or 5,000 cycles
Force Gauge
6 steps · 12 months
Hardness Tester
7 steps · 12 months, with daily verification using test blocks
Load Cell
7 steps · 12 to 24 months
Vibration Meter
6 steps · 12 months
Durometer
6 steps · 12 months, with monthly test block verification
Tension Meter
6 steps · 12 months
Tachometer
6 steps · 12 months
Sound Level Meter
6 steps · 12 to 24 months; field calibration check before each use
Acoustic Calibrator
7 steps · 12 months; 24 months acceptable with documented drift history and process control