Calibration Procedure of HACH Pocket Turbidimeter - Up To

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Notes: 5.6 If the value is not in the acceptable range, then use the number keys to change the numeric value to 1000 uS/cm, then press enter key. For more information/steps on the calibration procedure, please refer to pages 40-41 of the instrument manual.
1.0 BACKGROUND Calibration Procedure of Sension 156 – Dissolved Oxygen 1.1 This procedure can be followed by lab technicians who have some knowledge and experience with using the Sension 156. 2.0 REFERENCES 2.1 Sension 156 Portable Multiparameter Meter (Cat No. 54650-18) instruction manual. 3.0 APPARATUS 3.1 Sension 156 meter. 3.2 Dissolve oxygen probe. 4.0 REAGENTS 4.1 DO Electrolyte filling solution. 5.0 PROCEDURE 5.1 DO Probe Servicing 5.1.1 Unscrew the membrane protector from the membrane cap. Do not touch the inside with your fingers. 5.1.2 Hold the unscrewed cap upside down, vertically, with the hole facing up. 5.1.3 Fill the cap about 2/3 with the DO electrolyte filling solution. 5.1.4 While still holding the 2/3 filled cap vertically, gently screw back the DO probe. The electrolyte should leak out from the thread else refill the solution and screw back on again. 5.1.5 The probe is ready for use.
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Calibration Procedure of HACH Pocket Turbidimeter - Up To

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