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CL17 / CL17D residual (total) chlorine detector

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CL17 / CL17D residual (total) chlorine detector

CL17 / CL17D residual chlorine detector uses DPD (N, N-diethyl-1,4-phenylenediamine) spectrophotometric method to detect the concentration of chlorine: add buffer reagent to adjust the pH value of the sample Chlorine reacts to produce a red compound, whose absorbance is proportional to the concentration of chlorine, and the concentration value of chlorine can be calculated by spectrophotometry. -Application industry: The residual chlorine detector can measure residual chlorine, total chlorine, pH value and temperature at the same time.
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Product description
Technical indicators
- working principle:
CL17 / CL17D residual chlorine detector uses DPD (N, N-diethyl-1,4-phenylenediamine) spectrophotometric method to detect the concentration of chlorine: add buffer reagent, adjust the pH value of the sample, DPD and residual chlorine or total Chlorine reacts to produce a red compound, whose absorbance is proportional to the concentration of chlorine, and the concentration value of chlorine can be calculated by spectrophotometry.
 
-Application industry:
The residual chlorine detector can measure residual chlorine, total chlorine, pH value and temperature at the same time. The CL17 residual (total) chlorine tester is suitable for the measurement of residual (total) chlorine in the chlorination and disinfection processes of drinking water, wastewater, and industrial circulating cooling water; the CL17D residual (total) chlorine tester is suitable for the residual (total) of drinking water pipe network ) Chlorine concentration monitoring.
 
-Instrument features:
● Residual chlorine detector can detect residual chlorine or total chlorine
● Can use built-in curve correction
● The residual chlorine detector has the functions of automatic turbidity, automatic color compensation and automatic diagnosis
● A set of reagents can be used for automatic operation of the residual chlorine tester for 30 days
● Analysis cycle 2.5 minutes (regular version) / 10 minutes (pipe network version)
● The residual chlorine detector can be connected with the automatic chlorine pump to automatically add chlorine
● The residual chlorine tester can be operated unattended and used in unattended monitoring stations
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Technical index
Measuring range： 0 ～ 5mg / L residual chlorine or total chlorine
Measurement accuracy: Sample temperature After opening the reagent
0-30day 30-60 day 60-120 day
5 - 25 ℃ ± 0.03mg/L
25 - 40 ℃ ± 0.03mg/L ± 0.04mg/L
measurement accuracy： ± 5% or ± 0.005mg / L as Cl2, whichever is greater
Detection limit: 0.035mg/L
Sample temperature: 5～40℃
Analog output: 4 ～ 20mA, can be set arbitrarily in the range of 0 ～ 5mg / L
Alarm setting: Two optional concentration alarms, each with an SPDT relay, 5A, 230VAC
size: 42 × 32 × 18 cm

 

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