Standard Solutions - Hach sensION + pH31 Manual Del Usuario

Replacement parts and accessories (continued)
Description
Magnetic stirrer with sensor holder, for sensION+ MM
benchtop
3x50 mL printed beakers for benchtop pH calibration
Three-sensor holder, for sensION+ benchtop instruments
Holder and clamp for three sensors
Pyrex glass chamber, continuous flow measurements
PP protector, electrode storage

Standard solutions

Technical buffer solutions (DIN 19267)
Refer to Table 4 pH and ORP (mV) values of specific buffer sets at varying
temperatures.
Table 4 pH, ORP (mV) and temperature values
Temperature
°C °F
0 32 2.01 4.01
10 50 2.01 4.00
20 68 2.00 4.00
25 77 2.00 4.01
30 86 2.00 4.01
40 104 2.00 4.03
50 122 2.00 4.06
60 140 2.00 4.10
70 158 2.01 4.16
16 English
Item no.
LZW9319.99
LZW9110.97
LZW9321.99
LZW9155.99
LZW9118.99
LZW9161.99
pH mV
7.12 9.52 10.30 —
7.06 9.38 10.17 245
7.02 9.26 10.06 228
7.00 9.21 10.01 220
6.99 9.16 9.96 212
6.97 9.06 9.88 195
6.97 8.99 9.82 178
6.98 8.93 9.76 160
7.00 8.88 — —
Table 4 pH, ORP (mV) and temperature values (continued)
Temperature
°C °F
80 176 2.01 4.22
90 194 2.01 4.30
pH mV
7.04 8.83 — —
7.09 8.79 — —