Advertisement
Table of Contents
Advertisement
Table of Contents
Related Manuals for Extech Instruments PH220
Summary of Contents for Extech Instruments PH220
- Page 1 User Guide Waterproof Palm pH Meter Model PH220 7.00...
-
Page 2: Specifications
The PH220 simultaneously displays pH and temperature. The rubber holster which protects the meter has a magnetic backing for convenient mounting. The built-in memory (25 readings) allows STORE, RECALL, and CLEAR functionality. -
Page 3: Meter Description
3. Pay close attention to detail, step by step instructions, and electrode cleaning/rinsing recommendations. Slight deviations in test procedures and test habits can have a significant effect on test results. PH220-EU-EN V3.2 8/12... -
Page 4: Calibration (Ph)
When in pH measurement mode, the CAL icon will appear if a calibration has not been performed after 15 on/off cycles of the instrument. The CAL display is simply a reminder and will turn off when the pH electrode is recalibrated. The reminder does not affect function in any way. PH220-EU-EN V3.2 8/12... -
Page 5: Automatic Temperature Compensation (Atc)
Automatic Temperature Compensation (ATC) The millivolt output of a pH electrode varies with temperature, and for this reason the meter must compensate for these variations to obtain accurate measurements. The PH220 automatically compensates for solution temperature changes with the electrode’s built-in thermometer. The temperature compensation is active when the solution temperature deviates from room temperature. -
Page 6: Storing And Recalling Readings
Press and hold the STORE/RECALL button for 2 seconds to exit this mode. The instrument will display ‘SA’ (save) and ‘END’ before returning to the normal operation mode. The temperature display will now indicate the actual temperature ± the offset value. PH220-EU-EN V3.2 8/12... -
Page 7: Battery Replacement
Insert the battery compartment into the instrument until the compartment is flush with the top of the instrument. The compartment can only be fully inserted in one direction and the battery compartment is labeled as to the polarity orientation of the battery. Replace the protective holster. PH220-EU-EN V3.2 8/12... -
Page 8: Calibration And Repair Services
Extech recommends that annual calibrations be performed to verify meter performance and accuracy. Copyright © 2012 Extech Instruments Corporation (a FLIR company) All rights reserved including the right of reproduction in whole or in part in any form ISO-9001 Certified www.extech.com...
Need help?
Do you have a question about the PH220 and is the answer not in the manual?
Questions and answers