V-4
Instrument Maintenance
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
3 . . Unscrew .the .fitting .to .disengage .the .diffusion .tubing .assembly . . .
Properly .dispose .of .spent .reagent .and .tubing . . .Refer .to .
Figure V-1
.
4 . . Replace .reagent .bottle .cap .adapter .O-ring . .
5 . . Follow .instructions .in .
Chapter II, Installation of DIPA Reagent
.
and
.
Diffusion Tubing
. .
DIPA .reagent .will .last .2 .months .if .the .temperature .is .less .than .25 .˚C . . .
Higher .temperatures .will .require .bottle .change .out .sooner, .about .6 .weeks . . .
We .generally .change .reagents .when .level .is .less .than .1 .inch .remaining . . .The .
reagent .bottle .can .be .used .almost .to .dryness, .less .than .50 .mL .remaining .
if .readings .are .not .extremely .low, .< .0 .5 .ppb . . .It .is .imperative .that .bottle .
doesn’t .go .completely .dry .or .the .system .will .be .compromised .
Replacement .of .reagent .manifold .face .O-rings . . .Refer .to .
Figure V-2
.
• . Remove .reagent .bottle .adapter .assembly . .
• . Remove .all .three .O-rings .from .face .of .manifold . .
• . Insert .new .O-rings .
Notes on DIPA
Figure V-
Reagent Manifold
O-ring Location
Reagent Manifold O-rings (3)
Manifold Screw
Bottle Adapter O-ring
Diffusion Tubing Assembly
O-ring Seal Fitting
Reagent Bottle Adapter
Figure V-
Exploded View
上海肯强贸易有限公司
http://www.kq17.com.cn