II-3
Instrument Preparation
Thermo Scientific Orion 2111LL Sodium Monitor User Guide
ROSS and the COIL tradedress are trademarks of Thermo Fisher Scientific Inc. US Patent 6,793,787
Additionally .listed .in .
Appendix A-3, Specifications.
Sample inlet connection –
1/4” .NPTF . . .If .particulate .matter .is .present .
in .sample, .pre-filtration .is .necessary . . .The .60-micron .stainless .steel .filter .
located .after .inlet .valve .will .remove .moderate .amounts .of .particulates . .
Flow rate –
40 .mL/min .(nominal) . .
Pressure –
8-100 .psig . . .Consult .Customer .Support .for .Orion .products* .for .
details .on .sample .handling .if .pressure .is .outside .range . .
Temperature –
Temperature .must .be .between .5-40 .˚C . .
Sodium level –
Sodium .levels .are .read .directly .in .ppb .or .ppm, .when .
calibrated .with .Orion .standards .1 .and .2 .(Cat . .No . .181140) . .
Sample acidity –
Sample .acidity .should .not .be .more .than .50 .ppm .CaCO
3
.
equivalent . . .For .higher .sample .acidity, .contact .Customer .Support
.
.for .
Orion .products
*
. .
* Customer Support for Orion Products
. .US .& .Canada: . .800-225-1480 .
Dom . .Fax: .978-232-6015 .
Int’l . .Fax: .978-232-6031
. www .thermo .com/water .
Sample Requirements
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