LABORATORY APPARATUS

Equipment to be Calibrated

Measurand

Capability

Calibration of Ignition Furnace

Temperature

Mass

-200~1372°C

1mg~10Kg

Calibration of Oven

Temperature

200~1372°C

Calibration of Water Bath

Calibration of Nuclear Gauge

Moisture

Density

0~0.72Kg/l

1.12~2.72Kg/l

Verification of Los Angeles Abrasion Machine

Length

(Internal & External)

0~1000mm

Verification of Mould

Verification of Manual Rammer

External Length

0~1000mm

Verification of Liquid Limit Device

Verification of Cone and Tamping Rod

Verification of Sieve

Verification of Mechanical Soil Compactor

External Length

Mass

0~1000mm

Verification of Asphalt Compactor

Force

10~100kN

Verification of California Bearing Ratio Machine

Verification of Marshall Machine

Verification of Penetration Apparatus

External Length

Mass

Angle

0~1000mm

Verification of Compression Machine

Force

Flatness (Feeler Gauge)

Hardness

0~3000kN

Verification of Air Pressure Meter

Pressure

External Length

0~70MPa

0~1000mm

Verification of Pycnometer

External Length

Internal Length

0~1000mm

Verification of Straight Edge

External Length

Flatness (Feeler Gauge)

0~1000mm

Verification of Relative Density Soil Apparatus

External Length

External Length

0~25mm

0~1000mm

Verification of Flakiness and Elongation Gauge

External Length

0~1000mm