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Summary of Contents for Sper scientific LH-C10F
- Page 1 Portable Residual Chlorine Analyzer LH-C10F Instruction Manual...
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Page 2: Table Of Contents
Content Instrument Overview................1 Safety Warning..................2 Precautions..................3 Instrument Description..............4 Instrument Operation.................5 Instrument Maintenance..............7 Common Troubleshooting..............8 After Service..................9... -
Page 3: Instrument Overview
Instrument Overview This instrument operates on principle of DPD spectrophotometry,which is specially used to determine the concentration of residual chlorine in water sample.A large number of experiments have proved that this method is simple,quick and sensitive.The instrument is small in size,light in weight,easy to carry,suitable for use in the field and on-site,and has the following notable features: ... -
Page 4: Safety Warning
Safety Warning The test reagent are irritating,please do not directly touch the skin.Please wear gloves and protective glasses.If you come into contact with the chemicals,immediately wash with water.Please read the measurement procedures carefully,and specially notice the danger precaution.Incorrect operating may result injury to the operator or damage to the instrument.If you have any questions about reagents or operating procedures,please contact our company. -
Page 5: Precautions
Precautions When the sample is turbid or colored,which will affect the test.Do not filter or decolorize the sample,in case cause losing residual chlorine.Please use the water sample as a reference to zero the instrument before testing,it could compensate effect of interference. ... -
Page 6: Instrument Description
Instrument Description Instrument structure The instrument is composed of plastic structure,electronic system,display screen,touch buttons and cuvette. -
Page 7: Instrument Operation
Instrument Operation Before the test: 1.Handhold bottleneck of cuvette,and wipe the surface of the cuvette with a lens cloth before inserting it into the detection tank. 2.Wash the pipette and cuvette when absorb the solution. 3.Add the residual chlorine reagent and shake as soon as possible,and complete the test within one minute after covering the detection tank cover. - Page 8 Measurement range 0.10~10.00mg/L Light source LED emitting diode Wavelength 520nm Accuracy <1.0mg/L,error:±0.05mg/L >1.0mg/L,error:<±5% Principal Residual Chlorine reacts directly with N,N-diethyl-1,4-phenylenediamine(DPD) 6.2~6.5 to form a red complex,which is measured by spectrophotometry at 520nm. Battery capacity 40 hours plus Size 128*70*48mm Weight 188g(include battery)
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Page 9: Instrument Maintenance
Instrument Maintenance Sample collection,preservation and storage. The residual chlorine in the water sample is extremely unstable.It should be measured immediately after sampling,and strong light vibration and warmth should be avoided from beginning to end. Standard solution configuration:Refer to HJ586-2010 of China National Environment Protection Standard. Interface factors ... -
Page 10: Common Troubleshooting
Common Troubleshooting Before starting up,check whether the battery is properly installed. If you you still can’t troubleshoot the fault or other faults occur,please contact us for after-sales service. Phenomenon Cause Solution Press ON/OFF,no display Battery power off Replace battery Button insensitive Water or oil stains on the surface Wipe clear of the instrument... -
Page 11: After Service
In the event that a defect is discovered during the warranty period, Sper Scientific agrees that, at its option, it will repair or replace the defective product.
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