[ccp4bb] recommendations for pH meter

Dear all, May I ask for recommendations for pH meters that work reliably over the range of buffers and components that constitute common crystallization screens ? Thanks very much in advance. Anirban

Re: [ccp4bb] recommendations for pH meter

I like the Fisher AB15 meter. Large LCD display for presbyopic eyes, and it will do multipoint calibrations. Most laboratory grade pH meters will do multipoint calibration, however. We typically do a 3 point pH calibration at 4, 7, 10, but you can do more if you like. I pair this with a