A-4
Appendix
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
Sample Conditions
Temperature
5 to 45 ˚C
Total acidity
Less than 50 ppm CaCO
3
Inlet pressure
8 to 100 psig
Flow rate
40 mL/min nominal set by pressure regulator
1/4” NPTF tube fitting
Sample drain
3/4” NPT male
Grab sampler
Optional
Reagents
Diisopropylamine
Display Features
Type
Backlit custom LCD
Size
54 x 76 mm (2 1/8 in x 3 in)
Marquee
Temperature, user prompts
Middle line
Concentration, error codes
Lower line
mV (selectable)
Text display
Scrolling marquee for English language instruction
for setup, calibration and diagnostics
Calibration
DKA calibration
Yes
DKA calibration points
3 points
Off-line calibration
Yes
Off-line calibration points
1 point
Pre-programmed standard values
Yes
Custom calibration
User programmable for concentration and volume
User input
DKA, customer programmable, off-line
Keypad
8 electro-mechanical keys with graphic overlay
Inputs (potentiometric)
Sodium ion input
ROSS
®
sodium
Sodium ion reference
ROSS Ultra
®
reference
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