
ONOFFCALHOLDCONWATERPROOFpHT estr 1pH Waterproof Testr 1LaMotte Company • PO Box 329 • Chestertown • Maryland • 21620800-344-3100 • 410-778-3100 • Fax
SpecificationsRange: –1.0 to 15.0 pH extended rangeResolution: 0.1 pHAccuracy: ±0.2 pHOperating Temperature: 0 to 50 °C, 32 to 122 °CBattery/Life: Thr
CalibrationCalibration should be done regularly, typically every day that the Testr is used.3WATERPROOFpHTestr 1ONOFFCALHOLDCON1. 2.3. 4.5.Turn the Te
pH Testing41. 2.3. 4.5.Remove the capfrom the Testr.Press the On/Offbutton to turnthe Testr on.Dip1/2"to1"oftheelectrode into thesolution.St
Maintenance51. 2.3. 4.5.Rinse the electrodewith deionizedwaterortapwaterafter eachmeasurement.In aggressive chemicals, dirty, orviscous solutions, and
Changing the BatteriesThe battery compartment is located under the cap with the lanyard loop.61. 2.3. 4.Firmly grip the capand the Testr bodywith dry
Electrode ReplacementReplace the electrode module when the Testr fails to calibrate, gives fluctuatingreadings in buffers, shows error messages “E2&qu
Electrode ReplacementSelf-Diagnostic MessagesER1 Batteries are low and need replacingER2 Wrong or bad buffer value (out of range) or the electrode isf
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