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pH meter calibration
pH meters and electrodes, plus conductivity, ORP (redox) and dissolved oxygen meters, calibrated in the lab.
Send your instrument list and we reply with a written quotation, including the return date for each item. Collection and return within the Klang Valley.
About this calibration
Method
Checked with certified reference solutions: pH buffers at several points, conductivity standards and ORP reference solutions. Dissolved oxygen meters are checked at zero and in water with a known oxygen level. Your quotation states the test points.
How often
Commonly every 6 to 12 months. This is separate from the daily check your staff do with buffer solutions. Your quality system sets the interval.
Your certificate
Records the reading against the reference value at each point, the error and the measurement uncertainty.
Instruments in this category
| Instrument | Range | Where | Quote list |
|---|---|---|---|
| pH meter / pH controller | pH 0–14 | Laboratory | |
| pH electrode | pH 0–14 | Laboratory | |
| ORP / redox meter | Range confirmed on quotation | Laboratory | |
| Conductivity meter | µS/cm to mS/cm | Laboratory | |
| Dissolved oxygen meter | 0–20 mg/L | Laboratory |
Ranges shown are typical; exact capability is confirmed on your quotation.