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Calibration
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Sound Velocity Calibration
Equipments calibrated: AML SV sensors
Calibration of AML Sound Velocity Time of Flight sensors uses the Del Grosso & Mader
pure water equation. A strict set of requirements are in place to ensure the quality of the
calibration including high accuracy and high speed temperature probe, homogeneous
water temperature within the sensing volume etc.
Accurary : 0.5% Full Scale
Range : 1400 to 1550 m/s range
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Pressure Calibration
Equipment calibrated: AML Pressure probes
The sensor is checked against a set of pressure values from the dead weight sensor and
the raw count values are used to obtain calibration coefficients. The calibration uses a H
Budenberg dead weight tester.
Accuracy: to 0.015% Full Scale
Range: 0 to 7000 decibars
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Temperature Calibration
Equipment calibrated: AML Temperature sensors
The calibration uses a GE AS125 high accuracy temperature probe to compare the standard
temperature readings and the raw instrument count which are used to arrive the calibration
coefficients.
Accuracy: Better than +/- 0.003o C
Working Range: -5o C to +40o C
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