Laboratory & Volumetric Glassware Calibration
Used in medical, chemical, and pharmaceutical laboratories to ensure that graduated cylinders (and other volumetric glassware like pipettes and burettes) measure liquid volumes accurately.
Gravimetric Calibration (Most Accurate): The cylinder is filled with high-purity water at a strictly controlled temperature. The water is weighed on a high-precision analytical balance, and its exact volume is calculated using the known density of water.
Volumetric Transfer (Comparison): Volume is verified by transferring a precisely measured liquid from a primary standard vessel into the cylinder under test.
Compliance Verification: This service determines whether a cylinder meets strict Class A (high-precision) or Class B (general-purpose laboratory) international standards.
Gas Cylinder & Sensor Calibration
This refers to services involving calibration gas cylinders—specialized cylinders containing precise mixtures of gases (like oxygen, carbon monoxide, or methane) used to test and calibrate gas detectors and industrial environmental sensors.
Gas Mixture Verification: Third-party labs use Gas Chromatography to verify that the concentration of the gas inside the cylinder perfectly matches the label (e.g., exactly 25 ppm Carbon Monoxide).
Hydrostatic Cylinder Testing: Often bundled with calibration, this checks the structural safety of the high-pressure gas cylinder itself. The cylinder is filled with water and pressurized beyond its normal limit to measure metal expansion and ensure it won’t rupture.
Industrial Storage & Fuel Tank Calibration
In the oil, gas, and chemical industries, large vertical or horizontal storage vessels are legally referred to as cylindrical tanks. Calibration (also called tank strapping) determines the exact volume of liquid contained inside the tank at any given depth.
This page covers calibration services related to cylinders only, you may learn more about our Tank Calibration Services here at TANK CALIBRATIONS.
Manual Strapping Method (API Standards): Technicians physically measure the external or internal circumference of the cylinder at multiple intervals using certified master tapes.
Optical Laser Scanning: An advanced 3D laser scanner maps the exact internal geometry of the cylindrical tank, accounting for any slight structural warping, tilt, or internal structural components (like ladders or pipes).
The Output: The service generates a certified Capacity Table (or strapping chart) mapping centimeters/inches of depth directly to liters/gallons for custody transfer and inventory control.
On this page we are covering only cylinders calibration services, please refer to our page TANKS CALIBRATION should you require more details about what types of tanks calibration/strapping, inspection, and certification we offer.
Mechanical & Hydraulic Cylinder Calibration
Used in heavy machinery, manufacturing, and automotive engineering to test the physical tolerances, stroke length, and pressure outputs of mechanical cylinders.
Bore & Dimensional Calibration: Using micrometer standards and air gauges to measure the inner diameter, roundness, and taper of engine or hydraulic cylinder bores down to the micrometer level.
Force & Pressure Calibration: Testing hydraulic or pneumatic cylinders against a master load cell or deadweight tester to verify that a specific fluid pressure perfectly matches the physical force output.
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For more information about full range of Calibration Services please visit our page Calibration Services