STARTER 5000 Bench pH Meter EN-21
MERCK (Ref. 20°C)
Temp °C 2.00 4.00 7.00 9.00 12.00
5 2.01 4.04 7.07 9.16 12.41
10 2.01 4.02 7.05 9.11 12.26
15 2.00 4.01 7.02 9.05 12.10
20 2.00 4.00 7.00 9.00 12.00
25 2.00 4.01 6.98 8.95 11.88
30 2.00 4.01 6.98 8.91 11.72
35 2.00 4.01 6.96 8.88 11.67
40 2.00 4.01 6.95 8.85 11.54
45 2.00 4.01 6.95 8.82 11.44
50 2.00 4.00 6.95 8.79 11.33
DIN (19267) (Ref. 25°C)
Temp °C 1.09 4.65 6.79 9.23 12.75
5 1.08 4.67 6.87 9.43 13.63
10 1.09 4.66 6.84 9.37 13.37
15 1.09 4.66 6.82 9.32 13.16
20 1.09 4.65 6.80 9.27 12.96
25 1.09 4.65 6.79 9.23 12.75
30 1.10 4.65 6.78 9.18 12.61
35 1.10 4.65 6.77 9.13 12.45
40 1.10 4.66 6.76 9.09 12.29
45 1.10 4.67 6.76 9.04 12.09
50 1.11 4.68 6.76 9.00 11.98
JIS Z 8802 (Ref. 25°C)
Temp °C 1.679 4.008 6.865 9.180
5 1.668 3.999 6.951 9.395
10 1.670 3.998 6.923 9.332
15 1.672 3.999 6.900 9.276
20 1.675 4.002 6.881 9.225
25 1.679 4.008 6.865 9.180
30 1.683 4.015 6.853 9.139
35 1.688 4.024 6.844 9.102
40 1.694 4.035 6.838 9.068
45 1.700 4.047 6.834 9.038
50 1.707 4.060 6.833 9.011
DIN(19266) / NIST (Ref. 25°C)
Temp °C 1.680 4.008 6.865 9.183 12.454
5 1.668 4.004 6.950 9.392 13.207
10 1.670 4.001 6.922 9.331 13.003
15 1.672 4.001 6.900 9.277 12.810
20 1.676 4.003 6.880 9.228 12.627
25 1.680 4.008 6.865 9.183 12.454
30 1.685 4.015 6.853 9.144 12.289
35 1.691 4.026 6.845 9.110 12.133
40 1.697 4.036 6.837 9.076 11.984
45 1.704 4.049 6.834 9.046 11.841
50 1.712 4.064 6.833 9.018 11.705