
2. SPECIFICATIONS
Circuit Custom one-chip of microprocessor LSI
circuit.
Display LCD size : 41 mm x 34 mm
Range Free chlorine ( CL ) :
0.00 to 3.50 ppm ( mg/L ).
Total chlorine ( CL ) :
0.00 to 3.50 ppm ( mg/L ).
Resolution 0.01 ppm ( mg/L ).
Accuracy ± 0.02 ppm ( mg/L ).
@ 1.00 ppm ( mg/L )
Light source LED, 525 nm.
Light detector Photo diode
Method The measuring method is an adapta-
tion of the USEPA Method 330.5 and
Standard Method 4500-Cl G.
The reaction between free ( total )
chlorine and the DPD reagent cause
a pink tint in the sample.
Response time Less than 10 seconds.
Sample volume 10 mL.
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Display Approx. 1 second.
Sampling
Time
Power off Auto shut off saves battery life or
manual off by push button.
Calibration Zero chlorine.
points 1.00 ppm ( Free chlorine ).
1.00 ppm ( Total chlorine ).
2
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