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Research Instruments unveils new pH meter that can measure pH levels inside an incubator.

W.R.Brown MBA

, Managing Director, Research Instruments Limited

06 July 2006

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Measuring pH inside your incubator is now accurate and easy.

Measuring the pH of culture media accurately is extremely difficult because the pH of media droplets under oil shifts above 7.4 within just 2mins 30 seconds of removal from the incubator. So the likelihood is, if measuring the pH of media outside of the incubator, that you are measuring artefact pH levels.

Why use the RI pH Meter?

The RI pH Meter provides accurate, real-time analysis of media pH within the incubator using its unique custom pH probe. The probe, that is the same size as a 1006 petri dish, fits into all incubators, including the Minc incubator, and allows embryologists to adjust the CO2 concentration to obtain the correct pH in the media. No more guesswork or assumptions when trying to deliver the correct pH for the media being used.

How is it used?

Simply make up a media droplet in the custom pH probe and place in the incubator. Pass the cable out through the sample port at the back, plug it in, and shut the door. Once equilibrated, simply make the reading. The unit will then measure the pH in real-time displaying the value on the digital readout with a resolution of 0.01pH.

Trend Analysis

As an optional extra the meter can have onboard memory for data logging. Test results stored by the pH meter may be easily downloaded to a personal computer for analysis and printing so you can analyse your incubator performance over time and develop procedures for equilibration.

Bill Brown, Managing director of Research Instruments said, ?The pH Meter complements the IVF Thermometer in our range of products for environmental monitoring within IVF labs. This is the first time that pH can be accurately measured inside an incubator.?

More information can be found at


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Date Added: 06 July 2006   Date Updated: 06 July 2006
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