Recap Calib

It is the adjustment or standardization of the accuracy of the measuring instrument/equipment, usually by comparison with a certified reference or standard.

• Traceability

• Calibration

• Accuracy

• Testing

Amendment to DO No. 11, s. 2013: Star Rating of DPWH Regional and District Materials Testing Laboratories

• DO No. 126, s. 2016

• DO No. 253, s. 2003

• DO No. 22, s. 2018

• DO No. 184, s. 2022

Amendment to DO No. 53, s. 2019: Revised Guidelines for the Calibration of Testing Equipment of the DPWH Implementing Offices

• DO No. 126, s. 2016

• DO No. 253, s. 2003

• DO No. 22, s. 2018

• DO No. 184, s. 2022

It is used to calibrate working load cells, load and proving rings and other force-measurement devices

• Digital Microprocessor Thermometer

• Calibration Weights

• Universal Calibrating Machine

• Calibration Blocks

It is used to calibrate moisture cabinet

• Thermometer

• Thermocouple

• Thermo-hygrometer

• Thermostatic

What is the frequency for speedy moisture tester needed to be calibrated?

• 1

• 2

• 3

• Depends on the manufacturer

What is the frequency for anvil to be calibrated?

• Every 15,000 impact or before use

• Every 16,000 impact or before use

• Every 14,000 impact or before use

• Depends on the manufacturer

Also known as the Schmidt Hammer test, is used to estimate the compressive strength of concrete

• Penetrating piston

• Rammer Test

• Anvil

• Rebound Hammer Test

It is used as a reference (transmit time) to calibrate the Ultrasonic Pulse Velocity

• Calibrating Weights

• Calibrating Blocks

• Calibrating Rod

• Calibrating Beads

What ASTM is "Standard Test Method for Measuring Surface Frictional Properties Using the British Pendulum Tester

• ASTM E303

• ASTM C597

• ASTM C805

• None of the above