Specifications

Transmitter Multiparameter M400 82
© 11 / 08 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M400
Printed in Switzerland 52 121 378
19 Buffer tables
M400 transmitters have the ability to do automatic pH buffer recognition. The following tables
show different standard buffers that are automatically recognized.
19.1 Mettler-9
Temp (°C)
pH of buffer solutions
0 2.03 4.01 7.12 9.52
5 2.02 4.01 7.09 9.45
10 2.01 4.00 7.06 9.38
15 2.00 4.00 7.04 9.32
20 2.00 4.00 7.02 9.26
25 2.00 4.01 7.00 9.21
30 1.99 4.01 6.99 9.16
35 1.99 4.02 6.98 9.11
40 1.98 4.03 6.97 9.06
45 1.98 4.04 6.97 9.03
50 1.98 4.06 6.97 8.99
55 1.98 4.08 6.98 8.96
60 1.98 4.10 6.98 8.93
65 1.99 4.13 6.99 8.90
70 1.99 4.16 7.00 8.88
75 2.00 4.19 7.02 8.85
80 2.00 4.22 7.04 8.83
85 2.00 4.26 7.06 8.81
90 2.00 4.30 7.09 8.79
95 2.00 4.35 7.12 8.77
19.2 Mettler-10
Temp (°C)
pH of buffer solutions
0 2.03 4.01 7.12 10.32
5 2.02 4.01 7.09 10.25
10 2.01 4.00 7.06 10.18
15 2.00 4.00 7.04 10.12
20 2.00 4.00 7.02 10.06
25 2.00 4.01 7.00 10.01
30 1.99 4.01 6.99 9.97
35 1.99 4.02 6.98 9.93
40 1.98 4.03 6.97 9.89
45 1.98 4.04 6.97 9.86
50 1.98 4.06 6.97 9.83
55 1.98 4.08 6.98 9.83
60 1.98 4.10 6.98 9.83
65 1.99 4.13 6.99 9.83
70 1.99 4.16 7.00 9.83
75 2.00 4.19 7.02 9.83
80 2.00 4.22 7.04 9.83
85 2.00 4.26 7.06 9.83
90 2.00 4.30 7.09 9.83
95 2.00 4.35 7.12 9.83