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Summary of Contents for Cheonsei MESTAR+
- Page 1 DIGITAL CONTROLLER Digital DO Controller Instruction Manual www.cheonsei.co.kr...
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Page 2: Table Of Contents
Thank you very much for purchasing Cheonsei digital DO controller. Please read this instruction manual before beginning operation. Handling and maintenance are explained in easy way. Read through this manual and use correctly the product. Correct handling, repair and maintenance are described easily. -
Page 3: Notice For Safety
Notice for Safety 1-1 Introduction • To use the products safely, the signs are showed on the manual like below. • As it is a matter of safety, please be sure to keep the directions in manual. • he signs and indication are as follows. Warning Person death or serious injury will be occurred, if warning is not kept by wrong handling. -
Page 4: Product Confirmation
2-1 Check Point When Unpacking Please check following points immediately after receiving the product. If the defect is found from the product, please request it to local agent or CHEONSEI. Is specification correct as ordered? Is there any missing parts ? -
Page 5: Model Code
Model Code – ① ② ③ ④ ① Type ② Controller Type ③ Output ④ Electrode Type D : DO B : Standard 0 : Standard 1 : CPD11(Galvanic) (Dissolved Oxygen) 1 : Temperature (4~20mA) Specifications 5-1 Controller Specification Performance 0.00 ~ 20.00ppm(mg/L) Display and Measuring Range... -
Page 6: Set Components
5-2 Electrode Specification Remark Model CPD11 Type Dissolved Oxygen Measurement Electrode Type Galvanic Measurement Range 0.00 ~ 20.00 ppm(mg/L) Velocity which measurement is available 0.35m/s 98 ± 0.5% Temp. Compensation Element Pt 1000Ω Workable Temp. 0 ~ 60℃ Workable Pressure Max. -
Page 7: Name & Function Of Each Part
Name & Function of Each Part 7-1 Front Display : 3” LCD Segment ① Status • SETUP : Display in setup mode • MEAS : Display in measurement mode • CAL : Display in calibration mode • ZERO : Display in ZERO calibration •... -
Page 8: Calibration
7-2 Rear ① Relay High : HIGH Alarm Output Terminal ② Relay Low : LOW Alarm Output Terminal ③ Power : Power Supply Terminal ④ Sensor : Electrode Connection Terminal ⑤ Process : Analog Output Terminal for 4~20mA of 0 ~ 20ppm ⑥... - Page 9 8-3 Air Calibration Clean the electrode with distilled water. Wipe the electrode up carefully so it is free of moisture. Expose the electrode to the air with its sensor facing to the bottom. In the Measuring Mode, press the CAL key for 5 seconds to enter the Calibration Mode.
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Page 10: Setting & Operating
8-5 Saturated Water(Span) Calibration Clean the electrode with distilled water. Immerse the electrode in saturated water. In the Measuring Mode, press the CAL key for 5 seconds to enter the Calibration Mode. The Calibration mode appears on the main screen (AIR: air, SOL: solution) You can change the Calibration menu by using the ▲... - Page 11 9-3 Menu configurations Menu configurations support 8 setup menus as shown below. Can change the menu by ▲ & ▼ key after entering the Menu mode and can enter the setting display by ENTER key. In case of each setting method, refer to the setting page(9-4 ~ 9-11) of the corresponding menu. 9-4 Alarm Setting rEL is Alarm setting menu.
- Page 12 9-5 Unit Setting unit is Unit setting menu. Present set unit is displayed, while you enter the Setting display. You can change the unit by using the ▲ and ▼ keys. Set the unit of the main screen and then that of the secondary screen.
- Page 13 9-7 Offset setting oFS is Offset setting menu. Present set value is displayed, while you enter the Setting display. Offsetting value can be changed by ▲ , ▼ Key. Finish the setting by pressing ENTER Key. The offset can be set within a range of –1.00 ~1.00ppm.
- Page 14 9-10 ATC Setting Atc is Automatic Temp. Compensation setting menu. You can select ATC after entering the Setting display. on or oFF can be changed by ▲ , ▼ key. When selecting on, ATC setting is immediately completed and ATC is displayed as Measuring Mode.
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Page 15: System Diagram
System Diagram 10-1 Electrode holder type 10-2 Sampling holder type Handling of Components ※ This manual describes only the handling for the standard set components. 11-1 Wiring of Connection Box Be careful not to change wiring, since the color of the electrode & the connection able should be matched with the terminals in the connection box each other. - Page 16 Caution • Do not install controller in the heavy moist, dusty, or vibration place. Bad connection at the terminal may occur. • Do not install this connection box at the place where corrosive gas is generated. • Turn off power before repair & maintenance. It may cause a damage of controller by static electricity.
- Page 17 11-3 Electrode Components ① Membrane ② Dissolved oxygen electrode(Cable length Approx. 5m) ③ Internal fluid inlet ④ Membrane(Replacement) ⑤ Internal fluid 30mL(0.5M NaOH) ⑥ Dropping pipet 1mL(Internal fluid for injection) 11-4 How to Inject Solution • Separate the membrane from the electrode. •...
- Page 18 • Wipe leaked solution after closing the membrane and the solution openings. ※ The solution may leak; please follow the precautions described below. Caution D o not drink the solution. It may cause harm to the body. Be careful not to let the old and weak or •...
- Page 19 • Separate the membrane of the electrode. • Insert a rubber packing up to the membrane connection of the electrode. ※ Make sure that the rubber packing should be in the right direction. • F ill 1mL of 0.5M NaOH into the membrane and assemble it into the electrode inserted with the rubber packing.
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Page 20: Cause & Solution Of Problem
I f the product is reconstructed arbitrarily or the undesignated parts are used into the product, • CHEONSEI will not warrant and CHEONSEI is not responsible for any expense caused by accident or trouble. Warranty period is one year from purchase date. -
Page 21: Repair Service
• Also, please make sure that bolts and other components are securely fastened in order not to loss it. Contact to CHEONSEI or local agent as shown on back of the manual, if you have any problem or questions. -
Page 22: Controller Dimension
Controller Dimension unit : mm... - Page 24 2019. 11. 18. CSME - N - 31 40, ANSANTECOM-GIL, SANGNOK-GU, ANSAN-SI, GYEONGGI-DO, REPUBLIC OF KOREA Phone : +82-31-508-1003 : +82-31-419-3223 E-mail : cheonsei@cheonsei.co.kr Homepage : http://www.cheonsei.co.kr...
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