YSI 900 User manual
900 Chlorine Colorimeter
OPERATIONS MANUAL
INSTRUCTION MANUAL: PAGES 2 21
MODE D‘EMPLOI: PAGES 22 41
INSTRUCCIONES: PÁGINA 42 61
Contact Information
ORDERING & TECHNICAL SUPPORT
Telephone: (800) 897-4151
(937) 767-7241
Monday through Friday, 8:00 AM to 5:00 PM ET
Fax: (937) 767-9353 (orders)
(937) 767-1058 (technical support)
Email: [email protected]
Mail: YSI Incorporated
1725 Brannum Lane
Yellow Springs, OH 45387
USA
Internet: www.ysi.com
When placing an order please have the following information available:
SERVICE INFORMATION
YSI has authorized service centers throughout the United States and Internationally. For the nearest
Support directly at 800-897-4151.
3
Table of Contents
CAUTION
• General notes.............................................................4
.......................................4
Method notes..............................................................4
.....................................................5
• Functional description .....................................................6
Operation.................................................................6
...........................................................7
........................................................7
...............................................................7
• Methods .................................................................8
...................................................8
..............................................10
.............................................12
.............................................14
• Menu options ............................................................16
Menu selections...........................................................16
.......................................................16
Transmitting stored data ....................................................16
Setting date and time.......................................................17
• Calibration Mode .........................................................17
...........................................................17
....................................................19
• Technical data ...........................................................20
Operating messages .......................................................21
Error codes ..............................................................21
Battery disposal ...........................................................21
4
Guidelines for photometric measurements
vial aligned with the
shielding ring.
Method notes
General Notes
5
Replacement of batteries:
Correct position of the vial (Ø 24 mm):
CAUTION:
AAA/LR 03
AAA/LR 03
AAA/LR03
AAA/LR03
(E) seal ring
(A) screws
Correctllingofthevial:
correct
10 ml
5 ml
10 ml
5 ml
wrong
correct correct wrongwrong
6
Operation
Scroll Memory (SM)
-
The result appears in the display.
The result is saved automatically.
Repeating the test:
Repeating the zero:
Press the
METHOD
METHOD
METHOD
RESULT
On
Off
Mode
Zero
Test
Zero
Test
Zero
Test
0.0.0
Zero
Test
METHOD
Functional Description
7
Display backlight
-
Recall of stored data
4 seconds to access the recall menu.
Countdown / reaction period
-
surement starts immediately.
Caution:
An incomplete reaction period can lead to incorrect test
results.
!
!
!
Zero
Test
8
Methods
!
Zero
Test
Zero
Test
CL 6
Tablet Powder
CL 6
Tablet Powder
CL 6
Tablet Powder
0.0.0
Tablet Powder
RESULT
Tablet Powder
RESULT
Tablet Powder
Chlorine with Tablet: 0.01 – 6.0 mg/l
a) Free Chlorine
Fill a clean vial (24 mm Ø) with 10 ml of the water sample
empty it, leaving a few drops
remaining in the vial.
Add one DPD No. 1 tablet
dissolved.
b) Total Chlorine
Add one DPD No. 3 tablet
dissolved.
Wait for a reaction period of 2 minutes.
c) Combined Chlorine
Tolerances:
!
Zero
Test
Zero
Test
CL 6
Tablet Powder
CL 6
Tablet Powder
CL 6
Tablet Powder
0.0.0
Tablet Powder
RESULT
Tablet Powder
RESULT
Tablet Powder
9
Notes:
1. Vial cleaning:
Preparation:
then rinse all glassware thoroughly with deionized water.
3. Preparing the sample:
5. Exceeding the measuring range:
6. Turbidity (can lead to errors):
10
Methods
!
Zero
Test
Zero
Test
CL 10
Tablet Powder
CL 10
Tablet Powder
0.0.0
Tablet Powder
CL 10
Tablet Powder
RESULT
Tablet Powder
RESULT
Tablet Powder
Chlorine HR with DPD Tablet: 0.1 – 10 mg/l
a) Free Chlorine
Fill a clean vial (24 mm Ø) with 10 ml of the water sample
empty it, leaving a few drops
remaining in the vial.
Add one DPD No. 1 HR tablet
dissolved.
.
.
b) Total Chlorine
Add one DPD No. 3 HR tablet
.
dissolved.
Wait for a reaction period of 2 minutes.
.
c) Combined Chlorine
Tolerances:
Table of contents
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