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These thermometers consist of a metal probe with a dial display that shows the temperature. These require insertion to a depth of at least two inches to work properly.
Most labs have three calibration sections divided into K1/K8, K5/K6 and K3/K4 that specialize in like test equipment. For example, the K3/K4 section would maintain Frequency counter, Oscilloscope, Synthesized Signal Generator and power sensor. While K1/K8 would maintain digital multimeter, high voltage probe and resistance standards. Lastly K5 ...
ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories is the main standard used by testing and calibration laboratories. In most countries, ISO/IEC 17025 is the standard for which most labs must hold accreditation in order to be deemed technically competent.
A common fixed-point calibration method for industrial-grade probes is the ice bath. The equipment is inexpensive, easy to use, and can accommodate several sensors at once. The ice point is designated as a secondary standard because its accuracy is ±0.005 °C (±0.009 °F), compared to ±0.001 °C (±0.0018 °F) for primary fixed points.
Calibration laboratories provide legal metrological traceability in South Africa. The laboratories form an integral part of the metrological chain whenever physical measurements are performed. The calibration programme ensures that: the weights of the sugar, maize meal and flour purchased by consumers are correct.
Calibration laboratories are generally responsible for calibrations of industrial instrumentation. [9] Calibration laboratories are accredited and provide calibration services to industry firms, which provides a traceability link back to the national metrology institute.