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Sp-1 Portable Colorimeter

Water quality meter

SP-1 Portable Colorimeter is designed specially for testing water quality in laboratory or outdoors.

it not only can meet the accuracy requirement of laboratory but also has the advantage of portability to

carry on quick and emergent testing at site.

The light from LED lamp source penetrates the sample cell, and is caught by the detector. After magnetization,

disposal, modulus change, calculation and analyses, display the final result controlled by the MPU.

The sample gets chemical colorific reactions with some special reagent, and then the mixture can

absorb visible light at some wavelength obviously. The absorption intensity have direct ratio with the concentration

of the sample. We detect the signal change between the two results before and after the sample cell, and then get the

sample concentration by calculation.

Light source	LED, 410nm, 500nm, 540nm, 590nm, 650nm
Wavelength range	410-650nm
Display	Graphic backlit LCD,128×64 dots
Resolution Ratio	1% FS
Wavelength Accuracy	≤±1nm
Photometric Range	0-2A
Testing Time	＜15min
Sample cell	25ml (with screw thread)
Data outputs	RS232 ports for PC or printer
Power supply	AA Battery (4)
Working Environment	Temperatures: 0-50°C ≤90% , relative humidity, non condensing
Physical Parameters	Instrument:24×89×49mm Case :500×450×300mm Weight : 4kg

Parameters	Testing Range	Standard limit for 1^st grade surface water	Maximum release concentration allowed for 2^nd grade contaminations
pH	6.6~8.5	6~9	6~9
Ammonia nitrogen (N)	0.1-2.0	15	100 (common enterprise)
Total phosphate (P)	0.03~1.0	0.15	60(secondary sewage plant in town)
Copper	0.5~4.0	0.02	15
Zinc	0.05~1.0	0.01
Fluoride（F）	0.2~1.3	0.05	0.5
Mercury	0.03~0.6	1.0	2.0
Cadmium	0.05~0.4	0.05	10
Chromium (VI)	0.05~1.0	0.001
Cyanide	0.02~0.35	0.01
Volatile phenol	0.5~13.0	0.005
Total Heavy Metal(Pb)	0.5-8.0	0.002	0.5
Hardness	1.0-5.5	0.2	0.5
Aluminium	0.05-0.2	250	1.0
Nitrate (N)	0.1~5	250
Nitrite (N)	0.02~2.0	10
Total Ferrum	0.15~3.0
Manganese	0.1~6.0	0.3
Nickel	0.05~1.0	0.1
Cobalt	0.01~2.0
Orthophosphate(P)	0.03-1.0
Formaldehyde	0.1~3.0
Phenylamine	0.5~2.0		0.5
Total Chlorine	0.1-2.0		1.0
Free Chlorine	0.1-2.0		1.0
Sulphate

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