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Dear Client

Thank you for Purchasing our

HTYSZ-H Automatic Acid

Value Tester

. Please read the manual in detail prior to first use,

which will help you use the equipment skillfully.

Our aim is to improve and perfect the

company's products continually, so there may be

slight differences between your purchase equipment

and its instruction manual. You can find the changes

in the appendix. Sorry for the inconvenience. If you have further

questions, welcome to contact with our service department.

The input/output terminals and the test column

may bring voltage, when you plug/draw the test wire or

power outlet, they will cause electric spark. PLEASE

CAUTION RISK OF ELECTRICAL SHOCK!

Company Address:

T4

No. 41, High-tech 2 Road

East Lake High-tech Development Zone

Wuhan

Sales Hotline: 86-27- 87457960

After Service Hotline

:

86-27- 87459656

Fax: 86-27- 87803129

E-mail: [email protected]

Website: www.hvtest.cc

Summary of Contents for HTYSZ-H

Page 1: ...ou can find the changes in the appendix Sorry for the inconvenience If you have further questions welcome to contact with our service department The input output terminals and the test column may brin...

Page 2: ...and prevent the product or other relevant subassembly to damage In order to avoid possible danger this product can only be used within the prescribed scope Only qualified technician can carry out main...

Page 3: ...d the instruction manual to acquire information about the ratings Do Not Operate without Covers Do not operate this product when covers or panels removed Use Proper Fuse Only use the fuse with type an...

Page 4: ...Security Terms Warning indicates that death or severe personal injury may result if proper precautions are not taken Caution indicates that property damage may result if proper precautions are not tak...

Page 5: ...II Instrument features 7 III Technical specification 9 IV Structure 9 V Menu and keys operation 10 Instrument is divided into four displays 11 VI Installation 19 VII Test procedure 20 VIII Cautions 21...

Page 6: ...d chemicals to the harm of human body The operation is simple easy to use strong anti interference ability stable and reliable The acid value is the number of milligrams of potassium hydroxide in 1 gr...

Page 7: ...an machine interface 2 Using neutralization titration principle use microcomputer to control automatically add liquid at room temperature and titration stirring judge titration end point LCD screen di...

Page 8: ...cing the organic solvents and chemicals to the harm of human body 9 The equipment is simple operation using large screen LCD and Chinese menu options users only need to choose the menu function accord...

Page 9: ...0001 mgKOH g 4 Measurement accuracy acid value between 0 001 0 1000 mgKOH g Allowable error range 0 02mgkoh g The acid value is between 0 1000 0 5000 mgKOH g Allowable error range 0 05mgkoh g 5 Extern...

Page 10: ...mination the acid value The control box collects and processes all kinds of information sends the actuator operation command while the control box contains the LCD and touch screen to form a good man...

Page 11: ...history sample test 1 Boot screen Connect instrument power cord turn on the power switch the screen center cross cursor image appears as shown in the figure below At this time you can carry out touch...

Page 12: ...d center for calibration Note equipment has been calibrated before delivery no special circumstances no need the calibration Remember If without touching the cross cursor after boot 2 seconds automati...

Page 13: ...splay screen with your finger touch to modify parameters are selected checked according to button to adjust the current parameter values press save to save parameters press exit button to return to th...

Page 14: ...xt history record record number minus 1 long press the key fast flip backward minimum record number is 1 Print print the current history records the printing content including 1 sample to 6 of the sam...

Page 15: ...ion concentration the concentration of neutralizing liquid national standard concentration between 0 02 to 0 05 moL L if the concentration different with its shown according to the concentration of th...

Page 16: ...esponds to the test cup and with button adjust it to 0 000 then the sample weight shows blank as shown in the figure After press start button the machine will automatically blank test operation Note t...

Page 17: ...ify the selected sample weight decrease RUN start the selected samples acid value test Exit exit Press the RUN instrument cleaning press the SKIP instruments automatically return to the main interface...

Page 18: ...cup position as follows in test cup column touch the screen to select as shown in the figure below After selected test cup then input the corresponding sample weight the method is as follows in Mass c...

Page 19: ...ntil all finished VI Installation 1 After opening the instrument is placed on a solid laboratory bench 2 Take a beaker into hydroxide against 80ml water fully dissolved and then injected into the wash...

Page 20: ...chine will automatically blank experiment operation Note to observe the neutralization liquid titration speed about every drop 1 second and then take out the blank experiment cup begin test 3 Sample t...

Page 21: ...s if you choose the automatic printing function VIII Cautions 1 The cup must be cleaned with absolute alcohol and be used after drying 2 Before test acid value must do a blank experiment first if meas...

Page 22: ...be removed from the cup tray so as not to affect the experiment positioning 7 At the end of the experiment the neutralizing liquid and the extraction liquid bottle should be placed in the shade to av...

Page 23: ...23 Solution need to blank experiment Ensure that the blank experiment must be accurate...

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