34 3200P pH Meter User Guide
2Operation
To select the pH Buffer Group
The meter provides auto- recognition, to recognize several
buffer groups which are prepared according to either the
NIST standard, the DIN standard, or the GB standard. Each
group contains several buffers.
Tab le 2 Buffer groups
Buffer pH NIST group DIN group GB group
1.677
1.680
3.557
3.559
3.775
4.003
4.008
6.864
6.865
7.000
7.409
7.416
9.182
9.184
10.014
12.454
12.460
12.469
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