Calibration

 
 
         
 
 

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

 
 
 

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 RAVIKA dead
weight tester.

Accuracy: to 0.01% Full Scale
Range : 0 to 7000 decibars



 
 
 

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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