DINKO Instruments D-25VT 253-3r Instruction Manual
Adjustable peristaltic pumps with timer
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Summary of Contents for DINKO Instruments D-25VT 253-3r
- Page 1 Adjustable peristaltic pumps with timer Model D-25VT 253-3r Codes 1.9745.11 and 1.9770.00 INSTRUCTION MANUAL April 2025 Marked c/ Encarnació , 123 -125. Tel. +34 93 284 69 62. Fax +34 93 210 43 07 e-mail: dinter@dinko.es www.dinko.es 08024 - Barcelona...
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Page 2: Table Of Contents
Page Introduction ········································································································ 3 Packing list ········································································································· 3 Reception ··········································································································· 3 Description ········································································································· 5 Specifications ····································································································· 7 Start-up ·············································································································· 8 Digital Timer ······································································································· 9 Add-ons ··········································································································· 15 Changing tubes ································································································· 17 Ordering Information ························································································· 19 Changing fuses ································································································· 19 Troubleshooting ································································································ 19 Maintenance –... -
Page 3: General Introduction
1- GENERAL INTRODUCTION Peristaltic pumps pump all types of liquids without coming into contact with mechanical components, as is the case with other pumps. They are easy to operate and require minimal maintenance. The pumped substance is propelled inside a flexible tube by the vacuum generated by a set of rotors that successively squeeze and release the tube's surface. -
Page 4: Signs And Symbols
3.6- SIGNS AND SYMBOLS Always heed the hazard warning signs and symbols that appear in this manual or on labels attached to the pump body, such as those shown below. SIGNS/SYMBOLS INTERPRETATION-MEANING Avoid contact of fingers with moving parts Danger-Risk-Caution Before opening DISCONNECT Before accessing the inside of the Pump, disconnect the... -
Page 5: 4- Description
4- DESCRIPTION HEAD 253-3r The D-25Vplus peristaltic pumps in this manual are fitted with the 253-3r head which allows easy access to the tube for removal when it needs to be replaced. To change the tube, you must remove the upper part of the head. To do this, the lever (number 1 in the photo) must always be positioned to the left of the head. -
Page 6: Front Panel
4-2 FRONT PANEL 5 Figure a 1- Cyclic timer 2- Numerical speed control 3- Engine speed and stop selector 4- Pilot lamp 5- FULL maximum flow button 4-3 REAR PANEL Figure b 7- Main ON/OFF switch 8- Fuse box 9- Take food 10- Timing mode selector 11- Voltage-free pedal input 12- Fan. -
Page 7: 5- Specifications
5- SPECIFICATIONS 5.1 DIMENSIONS Pump: 340 x 280 x1 80. Weight 7 Kg Operation: between 100 and 240V. 50/60 Hz. Amp 0.5 /1 5.2 FLOW TABLE - Indicative regulation intervals for each tube ◄Tube Ø 8.0 mm 9.6 mm Code ▼ Head 6.4 mm Identifier... -
Page 8: 6- Start-Up
6- START-UP INITIAL CONSIDERATION: For correct dosing with a Peristaltic Pump with timer, you must first select the appropriate tube, both in composition and measurements, to perform the dosing of the desired volume. Tests must always be carried out to determine the volume delivered per unit of time. To do this, you need to perform a series of dosages and check the dosed volume. -
Page 9: 7- Digital Timer
7-TIMER When the device is connected, the timer turns on and remains on standby. To start it, press the ▲ (6) key. 1- OUT Open/closed contact indicator - red light 2 - Measured time (red) 3 - Scheduled time (green) 4 - Units of time (hour-minute-second) H/M/S-pilot green button... - Page 10 Menu sequence – Factory programming Pressing ▲ selects i nt Select time of 1 mS answer. 20ms Press Pressing ▲ selects Select the menu you want n (N Mode) F (F Mode) Description of the different modes in the Modes of use section C (C Mode) r R Mode) Press Pressing ▲...
- Page 11 7-2 Selection of running and stopping time. The timer has 2 programming times t.oFF and t.on indicating the status of the timer contacts. t.oFF will always be the first to count and then t.on will start . N, F modes we can only program the t.oFF , whereas in R mode , we must configure the t.oFF and he t.on . To enter the time selection menu, press ►.
- Page 12 7.3 Modes of use The pump has a timing mode selector with two positions, O and I, on the back (figure b (10)). In position O , when the timer is started (by pressing the ▲ key on the timer, it will start counting the programmed times), the head will run for the time programmed as t.oFF .
- Page 13 When you want to program a single delayed dosage; that is, when the timer is activated, it will count the programmed time with the head stopped, and when that time is up, the head will start working until the equipment is stopped. Programming: Timing mode selector in position I (figure b (10)).
- Page 14 7.3.c- R Mode Asymmetric cyclic mode, in which an operating time and a stopping time are programmed to be repeated indefinitely. This working mode is used for: When we want to perform repetitive dosing of a specific volume, with a pause between each dosing to transfer the rubber to another container for another dosing.
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Page 15: 8- Add-Ons
8- ACCESSORIES 8.1 Scale for calibration of flow rates and dosages . To measure the dosed quantity in the calibration process of peristaltic pumps, it is very effective to use a precision scale with digital reading. If the liquid to be pumped has a density of "1," there will be no difference between grams and milliliters. Otherwise, calculate the density by weighing a quantity of the liquid with a measuring cylinder, for example, 25 ml, and then tare it on the scale. - Page 16 PERISTALTIC TUBING CONNECTORS 8.5 Reducing connectors - splice / equal ends, polypropylene For 1.6mm inner Ø tubes. Code1.0080.15 For 3.2mm inner Ø tubes. Code 1.0080.18 For 4.8mm inner diameter tubes. Code 1.0080.05 For 6.4/8mm inner diameter tubes. Code 1.0080.14 For 9/12 mm inner diameter tubes. Code 1.0080.20 8.6 Y-shaped connectors, polypropylene Y-shaped connector, 6 mm Ø.
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Page 17: 9- Changing Tubes
9- CHANGING TUBE Each pump is supplied with a set of medical/food grade silicone peristaltic tubing that meets FDA and USP standards and is autoclavable at 120°C, with a peristaltic range of up to 120°C and medium life. The peristaltic quality of the tubes or rubbers consists of their ability to quickly recover their roundness once the rollers of the peristaltic head of the pump have compressed them to generate the circulation of liquids inside. - Page 18 9.1 AVAILABLE TUBES PHARMA Autoclavable multiple times. Sterilizable by ETO and Gamma . Medical-food grade, class VI USP, 21CFR 177.2600 and FDA. Non-hemolytic. Excellent resistance to chemicals. ISO 10993. Low permeability and good abrasion resistance. Long duration. Use temperature, -51ºC to 132ºC Beige color.
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Page 19: 10- Ordering Information
10- ORDERING INFORMATION Peristaltic pump head 253-3r. for 2.4 mm wall tubing. Model D-25VT. Codes: 1.9745.11 and 1.9770.00 11- CHANGING FUSES The fuse box is part of the power supply base located on the rear of the pump. See figure. Main switch Fuse box Power base... -
Page 20: 13- Maintenance - Spare Parts
Before any examination or repair of the appliance, it is necessary to disconnect the power supply. Every initiative must be carried out by qualified personnel to avoid major problems. Entrust your device to a technical service authorized by DINKO Instruments. The engine and its block do not require lubrication so they do not have maintenance. -
Page 21: 14- Warranty
14- WARRANTY DURATION: The warranty is valid for a period of one year from the date the appliance is put into operation, provided the warranty card is returned to us within eight days of its initial commissioning. Without this condition, the warranty will not be valid. -
Page 22: 15- Ec Declaration
15-DECLARATION OF CONFORMITY “CE” DINTER SA / DINKO Instruments c/ Encarnació , 123-125 / 08024 - Barcelona Declares that the articles mentioned in the attached list, to which this declaration refers, comply with the essential safety requirements of the applicable European Directive: - Low Voltage Directive D2014/35/EEC of 26 February 2014 and applicable since 2016 in Concordance with the recommendations of the LVD Directive. - Page 23 OTHER DINKO APPLIANCES Magnetic Stirrers Stirerrs . - Orbital Shakers - Rotary Stirrers / R otary Stirrers - Rod Stirrers Stirrers - Sand Baths / S and Baths - Dosing Pumps / Proportioner Pumps Vacuum Pumps Pumps - Peristaltic Pumps / Peristaltic Pumps - Metal block heaters / Heater Metallic Blocks -Colorimeters - Conductimeters / Conductimeters...
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