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9

1500 - INSTRUMENT PERFORMANCE CHECK 

Perform this procedure at specifi ed intervals to verify instrument performance.

NOTE: Store standards in a cool place out of direct light. Exposure to excessive heat 
or light may cause degradation of the standards.

Wipe the DPD Chlorine Color Standard 
Blank (4136-E) with a clean, lint-free cloth.

Insert the DPD 
Chlorine Color 
Standard Blank into 
the chamber, being 
sure to align the 
index line with the 
arrow on the meter. 
Close the lid.

Insert DPD 
Chlorine Color 
Standard A into 
the chamber, 
being sure to align 
the index line 
with the arrow on 
the meter. Close 
the lid.

If the readings are not within the 
tolerance limits, standardize the 
meter calibration by following the 
Calibration Procedure in the meter 
manual. If the readings are still 
not within the tolerance limits, the 
standards are no longer valid and 
should be replaced.

Press 

 to turn the meter on. Press 

ENTER

 to select Testing Menu. Press 

ENTER

 to select All Tests Menu. Press 

ENTER

 to select All Tests. Scroll to and 

select Chlorine TT or Chlorine Liq 
DPD. Select Scan Blank.

Wipe the DPD Chlorine Color Standard 
Blank (4136-E) with a clean, lint-free cloth.

Select Scan Sample. 
The concentration will be 
displayed.

Chlorine TT

Scan Blank

Scan Sample
12:00:00                  001/500                 

Repeat steps 4-6 with DPD 
Chlorine Color Standard B 
(4138-E) and DPD Chlorine 
Color Standard C (4139-E).

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Summary of Contents for 4140-03

Page 1: ...e to be used as Chlorine Secondary Standards to verify the performance of the meter and are not intended to be used as calibration standards The meter is calibrated at the time of manufacture The stan...

Page 2: ...loth Press the READ button The concentration in ppm will be displayed within 2 seconds Wipe the DPD Chlorine Color Standard Blank 4136 E with a clean lint free cloth Push the READ button to turn the m...

Page 3: ...e a zero reading Wipe the DPD Chlorine Color Standard A 4147 E with a clean lint free cloth Press the READ button The concentration in ppm will be displayed within 2 seconds The reading should be with...

Page 4: ...he concentration will be displayed 015 Chlorine Scan Sample Wipe the DPD Chlorine Color Standard Blank 4136 E with a clean lint free cloth Press ON to turn the meter on Press ENTER to select START Pre...

Page 5: ...o the chamber being sure to align the index line with the arrow on the meter Close the lid Repeat steps 4 6 with DPD Chlorine Color Standard B 4138 E and DPD Chlorine Color Standard C 4139 E If the re...

Page 6: ...ill be displayed Wipe the DPD Chlorine Color Standard Blank 4136 E with a clean lint free cloth Press to turn the meter on Press ENTER to select Testing Menu Press ENTER to select All Tests Menu Press...

Page 7: ...he readings are not within the tolerance limits standardize the meter calibration by following the Calibration Procedure in the meter manual If the readings are still not within the tolerance limits t...

Page 8: ...ration will be displayed Wipe the DPD Chlorine Color Standard Blank 4136 E with a clean lint free cloth Press to turn the meter on Press ENTER to select Testing Menu Press ENTER to select All Tests Me...

Page 9: ...r Close the lid If the readings are not within the tolerance limits standardize the meter calibration by following the Calibration Procedure in the meter manual If the readings are still not within th...

Page 10: ...the dye standards being slightly different from the spectral qualities of DPD Readings of actual DPD chlorine reactions will not differ significantly between meters Contact LaMotte Company Technical...

Page 11: ...BLANK...

Page 12: ...TE COMPANY Helping People Solve Analytical Challenges PO Box 329 Chestertown Maryland 21620 USA 800 344 3100 410 778 3100 Outside U S A Fax 410 778 6394 Visit us on the web at www lamotte com 64140 03...

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