Extech PH220 - Manual
Extech PH220 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – Accuracy
- Page 4 – CAL
- Page 5 – Measuring pH; MODE; Automatic Temperature Compensation (ATC)
- Page 7 – Battery Replacement
- Page 8 – Electrode Maintenance and Troubleshooting; Calibration and Repair Services
User Guide
Waterproof Palm pH Meter
Model PH220
7.00
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Summary
PH220-EU-EN V3.2 8/12 2 Introduction Congratulations on your purchase of the Extech PH220 waterproof pH/mV meter. This microprocessor-based device with tactile push-buttons is battery operated and ideal for field use. The PH220 simultaneously displays pH and temperature. The rubber holster which pro...
PH220-EU-EN V3.2 8/12 4 Calibration (pH) The sensitivity of a pH electrode degrades over time, it is very important to frequently calibrate the meter to the electrode. pH electrodes can be thought of as batteries in that they run down with time and use. Calibration is performed using standard buffer...
PH220-EU-EN V3.2 8/12 5 Measuring pH Electrodes should always be rinsed before and between samples with distilled or DI (de-ionized) water to remove all traces of storage solution, process media, or previous test solution. 1. Connect the pH electrode to the meter. 2. Turn the meter on using the on/o...
