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raham and White have made I adjustable current switch hich
12th November 1971, Page 133
12th November 1971
Page 133
Page 133, 12th November 1971
— raham and White have made I adjustable current switch hich
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warns, or shuts down, in e event of abnormal current inditions in electrically opered ac machinery. It detects arges of ac current as small as 1 per cent between the ranges 5 and 200 amp.
This device can be used for iSt analysis of machine ■ erating and processes and in any preventive maintenance plications.
ade by: Graham and White 3truments, 82 London Road, Albans, Herts.