BS 3145:1978
Current
Date published:
Specification for laboratory pH meters
Covers instruments having moving index, digital, binary coded decimal and recorded outputs. Specifies the scale, maximum permitted overall error and errors arising from 12 sources, electrode input sockets, temperature compensating devices, adjustment controls, and information to be provided by the manufacturer. Test methods for assessing electrical performance.
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71.040.10 Chemical laboratories . Laboratory equipment
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BS 3145:1978
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