pH, well done. Here is a low-cost ρ Η meter that combines the accuracy needed by the industrial laboratory with the ruggedness required for student use. The easy-to-read mirror scale allows pH to be read to ±0.04 pH units over the entire pH range. A ±400 mv scale is also provided for performing titrations and ORP measurements. The meter is housed in a heavy-gauge steel case that resists shock and spillage. An electrode holder, laboratorygrade pH electrode, and buffers are supplied with the meter. The Model 301 has our unique "NO LEMON" guarantee. If it quits within one year of purchase for any reason other than abuse, we'll replace it with a brand new meter. Immediately. Let us arrange a demo of the 301 in your lab and you'll get one of our "NO LEMON" team shirts. Write or call our toll-free numbers 800-225-1480 in the U.S.A. (except Mass.) or 800-363-9270 in Canada.
ORION RESEARCH
analog pH meter/model 301
The "no lemon" team.
ORION RESEARCH
380 Putnam Avenue
Cambridge, Mass. 02139
CIRCLE 167 O N READER SERVICE CARD