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NewmontT.. CRIPPLE CREEK & VICTOR <br /> PO Box191 <br /> 100 N.CRIPPLE CREEK&VICTOR Victor <br /> 8086Street <br /> Victor CO 80860 <br /> PURPOSE <br /> CC&V uses the YSI Pro Plus water quality meter to collect water quality data that is <br /> submitted to regulatory agencies. It is the responsibility of the user to properly <br /> calibrate the probe before each use and keep an accurate record of each <br /> calibration. <br /> SCOPE <br /> The YSI pro plus is to be calibrated prior to use for the day and details of the <br /> calibration are to be recorded on the calibration log sheet. <br /> YSI CALIBRATION <br /> Dissolved Oxygen Calibration <br /> Moisten the plastic cup by adding a small amount of clean water (1/8 inch) in the <br /> plastic storage cup or by moistening the sponge in the bottom of the cup. Make <br /> sure there are no water droplets on the DO membrane or temperature sensor. <br /> • Then install the cup over the sensors screw it on the cable and then disengage one <br /> or two threads to ensure atmospheric venting. Make sure the DO and temperature <br /> sensors are not immersed in water. Turn the instrument on and wait <br /> approximately 5 to 15 minutes for the storage container to become completely <br /> saturated and to allow the sensors to stabilize. <br /> it is not necessary to calibrate in both % and mg/L or ppm. Calibrating in % will simultaneously <br /> calibrate mg/L and ppm and vice versa. <br /> Press 'Cal' Highlight Probe ID <br /> Highlight DO % and press enter to confirm. <br /> Wait for the temperature and DO% values under"Actual Readings" to stabilize. <br /> Then highlight Accept Calibration and press enter to calibrate. Or, press Esc <br /> to cancel the calibration. <br /> Specific Conductance Calibration <br /> Press 'Cal' Highlight Probe ID. <br /> After selecting the Probe ID, highlight Conductivity and press enter. Highlight the <br /> desired calibration method; Sp. Conductance. Remove sponge from cup. Place <br /> the sensor into a fresh, traceable conductivity calibration solution. The solution <br /> • must cover the holes of the conductivity sensor that are closest to the cable. <br /> Department THIS DOCUMENT IS UNCONTROLLED IN HARD COPY FORMAT Doc Id: <br /> SER Date of This Issue--/--/-- Date of Next Review:--/--/-- Page 46 of 73 <br />