HACH LANGE LCK 303, Application Instruction

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System start up
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This application instruction contains the calibration data of the HACH-LANGE
Cuvette Tests for Ammonium-Nitrogen/Ammonium:
• LCK 303: 2-47 mg/l NH
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-N or 2.5-60 mg/l NH
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• LCK 304: 0.015-2 mg/l NH
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-N or 0.02-2.5 mg/l NH
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• LCK 305: 1-12 mg/l NH
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-N or 1.2-15 mg/l NH
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Select the calibration data of maximum two measuring ranges which will be the
suitable one.
Each programming procedure has only to be followed once prior to the first test
evaluation.
For detailed information please read the POCKET COLORIMETER II instruction
manual .
3.2.2 Data table
3.2.2.1 Evaluation as Ammonium-Nitrogen NH
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-N
3.2.2.2 Evaluation as Ammonium NH
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Table 1 Evaluation as Ammonium-Nitrogen NH
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-N
LCK 303 LCK 304 LCK 305
RES (resolution)
--.-- -.--- --.--
S0 (standard 0)
02.00 0.015 00.99
A0 (absorbance 0)
0.113 0.044 0.203
S1 (standard 1)
47.00 2.000 12.00
A1 (absorbance 1)
1.862 1.832 1.871
Table 2 Evaluation as Ammonium NH
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LCK 303 LCK 304 LCK 305
RES (resolution)
--.-- -.--- --.--
S0 (standard 0)
02.50 0.020 01.30
A0 (absorbance 0)
0.110 0.047 0.198
S1 (standard 1)
60.00 2.500 15.00
A1 (absorbance 1)
1.845 1.783 1.788