IS 2711 : 1979 Direct reading pH meters

1 Scope

1.1 This standard covers requirements for pH meters forLaboratory use regardless of type.

1.1.1 This standard does not cover instruments designed for usein automatic recording or for control of pH value.

2 References

IS 2 :1960      Rules for rounding offnumerical values

IS 4309 : 1979  Methods of measurement on direct reading pH meters