Hach DR2400 - LR (0.02 to 3.00 Mg;L)

DR/2400
Oxygen, Dissolved
OxygenDis_AccuVac_Low_INC_Eng_Ody.fm Page 1 of 2
• The ampules will contain a small piece of wire to maintain reagent quality. The solution will be yellow.
Oxygen, Dissolved
Method 8316
Indigo Carmine Method
AccuVac
®
Ampuls
LR (6 to 800 µg/L O
2
)
Scope and Application: For boiler feedwater
1. Touch
Hach Programs.
Select program
446 Oxygen Di. LR AV.
Touch
Start.
2. Fill a round sample
cell (the blank) with at
least 10-mL of sample.
3. Place the blank into
the cell holder.
4. Touch Zero.
The display will show:
0 µg/L O
2
5. Fill a Low Range
Dissolved Oxygen
Ampul with sample.
Keep the tip immersed
while the ampule fills
completely.
6. Immediately place
the ampule into the cell
holder.
Touch
Read.
Results will appear in µg/
L O
2
.
7. Use the initial
reading. The reading is
stable for 30 seconds.
After 30 seconds the
ampule solution will
absorb oxygen from
the air.
Tips and Techniques
AccuVac Ampul Method 8316
Hach Programs
10 mL
Zero
HRS MIN SECHRS MIN SEC