Hach-Lange SENSION+ MM374 - Manual (Page 19)

Consumables (continued)
Description Item no.
Conductivity standard 12.88 mS/cm, 125 mL LZW9721.99
Conductivity standard 147 µS/cm, 250 mL LZW9700.99
Conductivity standard 1413 µS/cm, 250 mL LZW9710.99
Conductivity standard 12.88 mS/cm, 250 mL LZW9720.99
Electrolytic solution 0.1 M, 125 mL LZW9901.99
Enzyme solution 2964349
Pepsin Cleaning Solution 2964349
Electrode cleaning solution 2965249
0.1 N HCl solution 1481253
Accessories
Description Item no.
Thermal printer, USB, for sensION+ benchtop instruments LZW8203.97
Thermal paper for printer LZW8203, bag with 4 rolls LZM078
Power supply for sensION+ benchtop instruments,
230-115 VAC
LZW9008.99
LabCom Easy PC SW, for sensION+ GLP, CD, cable,
USB adapter
LZW8997.99
LabCom PC SW, for sensION+ GLP, CD, cable, USB
adapter
LZW8999.99
Magnetic stirrer with sensor holder, for sensION+
multimeters
LZW9319.99
3x50 mL printed beakers for pH calibration LZW9110.98
3x50 mL printed beaker for conductivity calibration LZW9111.99
Three-sensor holder, for sensION+ benchtop instruments LZW9321.99
Accessories (continued)
Description Item no.
Radiometer probe holder for sensION+ benchtop
instruments
LZW9325.99
Pyrex glass chamber, continuous flow measurements LZW9118.99
PP protector, electrode storage LZW9161.99
Teflon coated stirring bar, 20 x 6 mm LZW9339.99
Standard solutions
Technical buffer solutions (DIN 19267)
Refer to
Table 3 pH and ORP (mV) values of specific buffer sets at
varying temperatures.
Table 3 pH, ORP (mV) and temperature values
Temperature pH mV
°C °F
0 32 2.01 4.01 7.12 9.52 10.30 —
10 50 2.01 4.00 7.06 9.38 10.17 245
20 68 2.00 4.00 7.02 9.26 10.06 228
25 77 2.00 4.01 7.00 9.21 10.01 220
30 86 2.00 4.01 6.99 9.16 9.96 212
40 104 2.00 4.03 6.97 9.06 9.88 195
50 122 2.00 4.06 6.97 8.99 9.82 178
60 140 2.00 4.10 6.98 8.93 9.76 160
70 158 2.01 4.16 7.00 8.88 — —
80 176 2.01 4.22 7.04 8.83 — —
90 194 2.01 4.30 7.09 8.79 — —
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