Thermo Scientific
ROSS Ultra, ROSS Ultra Triode and ROSS pH Electrodes
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21
Thermo Scientific Orion
Cat. No.
Description
900021-WA
pH electrode cleaning solution A, includes 4 x 30 mL bottles,
pipette and beaker
900022-WA
pH electrode cleaning solution B, includes 4 x 60 mL bottles,
pipette and beaker
900023
pH electrode cleaning solution C, includes 4 x 30 mL bottles,
pipette and beaker
900024
pH electrode cleaning solution D, includes 4 x 60 mL bottles,
pipette and beaker
910005
Bulb guard for glass pH electrodes, pack of 5
910003
12 mm electrode storage bottle, pack of 3
Visit www.thermoscientific.com/water for additional accessories, buffers
and buffer sizes.
Specifications
pH Range
0 to 14 pH
pH Precision
±0.01 pH
Temperature Range
0 to 100 °C
ROSS Ultra Triode
Temperature Accuracy
±1°C at 2 minutes when immersed at
least 2 inches in solution
Slope
92 to 102% theoretical Nernst slope
Isopotential Point
pH 7
Internal Reference
ROSS
Fill Solution
(Gel-filled electrodes do not require fill
solution)
3 M KCI, Cat. No. 810007
Accuracy of Measuring pH 6.86
Buffer After Calibration at 25 °C
Accurate within 0.03 pH for buffer at 0
to 100°C using automatic
temperature compensation
Response Speed in 6.86 Buffer
Between 25°C to 75°C
Response stable to 0.01 pH within 30
seconds
Response Speed Between 6.86 and
4.01 Buffers at 25°C
Response stable to 0.005 pH within
30 seconds
