Teledyne manual 6712FR Refrigerated Sampler SDI-12 Sondes, The Calibration, Screens

6712FR Refrigerated Sampler

Section 6 SDI-12 Sondes

6.6.1 The Calibration	To access the calibration screens from the main menu, select
Screens	Other Functions, Hardware. Advance through the screens until
	you see one that displays “SDI-12 DATA.” Select this screen to
	display the following:
		NO SDI-12 SONDE
		SETUP KNOWN SONDES
		SCAN SDI-12 SONDES
	Select “SETUP KNOWN SONDES” and then select “DONE.” You
	will see a screen similar to the following that will list the param-
	eters you can calibrate.
		SELECT PARAMETER
		TO CALIBRATE:
		pH5 DO5 ORP5 DONE
	The sonde’s address will appear after the parameter (such as
	pH0 and pH5). If you have multiple sondes attached, use the
	arrow key to select the correct one to calibrate.
	Depending upon the parameter you selected, a series of screens
	will be displayed to step you through the calibration process.
	• pH - You will be given the choice of three different pH
	solutions: 4.00, 7.00, and 10.00. After making your
	selection, rinse the probe and place in the pH buffer. If
	the reading is off by more than 0.5 pH units, you will
	asked to verify if the reading is correct.
	• DO - For dissolved oxygen, you can choose between two
	methods: DO Standard and Saturation. The saturation
	method requires a temperature reading between 0.0°
	and 47.0° C. You will also need to enter your altitude
	and barometric pressure.
	• ORP - You will asked to enter the value of your
	calibration standard.
	When calibration is complete, select “DONE” to proceed to the
	validation screen. If you do not want to validate any parameters,
	select “DONE” again to return to the Hardware options screens.

6.6.2The Validation Screen The validation screen appears after you select “DONE” on the calibration screen. It will be similar to the screen shown below.

	SELECT PARAMETER
	TO VALIDATE:
<--	SAL5 05DATA5	DO5
ORP5 LEVEL5		-->

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