Hach-lange PHC729 User Manual

User ManualDOC022.52.80433PHC729Safety informationW A R N I N G Chemical exposure hazard. Obey laboratory safety procedures and wear all of thepersona

4. Select Check Standards Options and update the settings:Option DescriptionStandard Sets the temperature compensated buffer value for check standard—

Table 4 Cleaning agentContaminant Cleaning agent Soak timeGeneral contaminants Electrode cleaning solution 12–16 hoursMineral deposits 0.1 N HCl solu

1. Put the filling-hole cap in the filling hole (refer to Product overview on page 2).2. Rinse the probe with deionized water. Dry the probe with a no

Message or symptom Possible cause ActionSlow stabilization time Tape not removed from thefilling-holeRemove the tape.Contamination in the glasssensorC

Message or symptom Possible cause ActionDrifting/Inaccurate readings Contaminated glass bulb Clean the probe. Refer to Clean the probe on page 10.CO2

Consumables and accessories (continued)Description Quantity Item NumberLIS chamber assembly 1 5189900 Color-coded pH standards (buffers)pH 4.01 ±0.02

HACH COMPANY World HeadquartersP.O. Box 389, Loveland, CO 80539-0389 U.S.A.Tel. (970) 669-3050(800) 227-4224 (U.S.A. only)Fax (970) 669-2932orders@hac

Specifications DetailsStorage solution Saturated KClMinimum sample depth <1 mm (<0.04 in.)Dimensions Body diameter: 12 mm (0.47 in.)Body length:

5. Add the filling solution to the probe as necessary (refer to Fill the probeon page 11). The filling solution must be above the standard solution or

Before calibration:To view the calibration data, push , then select View Probe Data>View Current Calibration.If two probes are connected, push th

6. Push Read. Waituntil the readingstabilizes.7. Do steps 4–6again to collect theminimum number ofcalibration pointsspecified in thecalibration opti

• Do not put the probe on the bottom or sides of the container.• Make sure that the filling hole is open and above the sample solution level.• Use a l

4. Rinse the probe with deionized water. Dry the probe with a no-lint cloth.5. Put the probe in the standard solution. Make sure that the reference ju

5. Select Measurement Options and update the settings:Option DescriptionResolution Set the resolution:• 0.1 pH—Fast• 0.01 pH—Fast (default)• 0.01 pH—M

5. Select the Calibration Reminder and update the settings:Option DescriptionReminderRepeatThe meter makes a sound when a calibration is necessary and