Myron L Ultrameter 6PIIfce Conductivity TDS Resistivity pH ORP Temperature

Calibrating your Myron 6pIIfce Ultrameter

pH

pH calibration on the meter is performed at either two or three points. You should calibrate with pH 7 buffer first then followed by either pH 4 and/or pH 10 buffers. The recommended frequency of calibration of pH is every 2 weeks.

ORP

ORP calibration with the ultrameter is not necessary. Due to the hazardous nature of ORP chemical standards, the ultrameter features an inbuilt electrical calibration. Frequency: Never. 

Conductivity (& Resistivity and TDS)

The meter itself measures conductivity and from this reading it can calculate TDS (using a curve of results) and resistivity (the reciprocal of conductivity).There are three chemical standards that can be used and this ensures accuracy across different application types. The most appropriate depends on the composition type of your sample and the parameter you are wanting a result for. The following standards are used:

• 442 - For use when measuring resistivity boiler and cooling water, lakes, wells etc. Recommended standard - 442-3000
• NaCl - For use when measuring TDS of seawater or brackish water. Recommended standard - NACL-14.0
• KCl - for use when measuring conductivity directly. Recommended standard - KCL-7000

Recommended frequency: monthly.

Free Chlorine

Free chlorine is not measured directly, rather calculated using ORP, pH and temperature measurements. Frequency - Every 2 weeks (pH).

Servicing Options Available

Have you considered your servicing requirements? Much like a car, scientific instruments may need a bit of care to keep them working reliably and at their most accurate.

The Camlab Service Department have over 60 years experience in scientific instrumentation. We have a number of highly qualified internal and field-based service engineers able to perform a variety of jobs including preventative maintenance servicing and calibration.

Camlab can offer yearly service contracts which include two main types of preventative maintenance/calibration services – the back to base service and an engineer visit to your site. These options are can be offered with differing turn around times depending on the instrument type and your requirements along with loan instruments if available.

Request a quote for your servicing requirements today.

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