DINKO Instruments D-35 User manual

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HOT PLATES
Models D-35 / D-39
and
Sand Baths
INSTRUCTION MANUAL
June 2022
Mark
c/Encarnació, 123-125. Phone [phone]. Fax [phone]
e-mail: [e-mail] www.dinko.es 08024-Barcelona

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GENERAL INTRODUCTION
The following considerations have as purpose to guarantee a correct reception and use the apparatus, as well
as the security of the user. We recommend to read this manual detailed before proceeding to unpack the apparatus
and later use.
-This manual should be conserved permanently within reach of the user.
- To unpack the apparatus carefully. Check that the content coincides with the packing list. Notify any eventuality
immediately.
- For the correct conservation of the apparatus it is necessary to avoid their installation in areas with corrosive
atmospheres or exposed liquid splashes.
- To avoid the use of the apparatus when the possibility exists to generate mixtures of explosive and inflammable gases.
-The European norm for use 89/655/CEE it exempts the maker all responsibility when it lacks an appropriate
maintenance or there is alteration or change of some component.
-The apparatuses that are sent to the Technical DINKO Instruments Service they will be perfectly clean and
disinfected.
Otherwise, they will be rejected and returned with freight in charge of the owner.
PACKING LIST
Description Code Quantity
*Hot Plate D-35 1.8425.00 1
*Hot Plate D-35D 1.8425.04 1
*Hot Plate D-39 1.8426.00 1
*Hot Plate D-39D 1.8426.01 1
*Hot Plate D-39D 1.8426.07 1
*Sand Bath, round 20cm Ø 1.8079.00 1
*Sand Bath, round 20cm Ø 1.8079.10 1
Cable plug 1
Instruction Manual 1
Warranty 1
*One of them.
DESCRIPTION
The hotplates have a steel top plate, heat reflectors, switch ON/ OF, pilot lights of operation, temperature control
button and line cord.
REAR PANEL
Main cable with integrated portable fuse 1.2Amp.
SPECIFICATIONS
Round hot plates
Code Model Plate mm. ºC * Accuracy Display Control Weight Watts O.Size cm
1.8425.00 D-35 145  400 ±2 - Thermostat 4 Kg 800 16x22x9
1.8426.00 D-39 180  400 ±2 - Thermostat 5 Kg 1200 24x29x9
1.8426.01 D-39D
180  99,9 ±0.1 YES Digital Set 6 Kg 600 24x29x9
1.8087.00
Metallic block 20cm.  for tubes (to indicate size tube)
* Temperature of the surface of the plate. Operation 230V 50/60Hz.
Round sand baths
Code Chamber cm. Temp. Precision Display Control Weight Watts O. Size cm
1.8079.00 20 x 6 high 350ºC* ± 2 - Thermostat 7 Kg 1600 24x29x19(1)
1.8079.10 20 x 6 high 300ºC* ± 0.5 YES PID Digital 7.5 Kg 1600 24x29x21(1)
* Temperature of the surface of the plate. Operation 230V 50/60Hz
(1) High without steel chamber

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OPERATING INSTRUCTIONS- Thermostat models
1- Rotate the power control know totally in contrary to the needles clock.
Place the switch to OFF position. Put line cord into a suitable powerline.
It is important follow these instructions before passing the point 2 in order to avoid damages in the main switch.
2- Push the ON switch. The pilot lamp will be illuminated. It is possible that some smoke coming from the heater film
protector.
3- Rotate the power control know in the sense of the needles- clock for increasing top plate temperature. Once reached
the temperature to maintain the pilot lamp will go out and will light alternating indicating the regulation periods.
MODELS WHIT TEMPERATURE DIGITAL CONTROLLER PID
Instructions:
P: Process temperature (current) – Red digits
S: Temperature Set Point – Green digits
Pilot AT
Put the general switch to ON
1- Push << AT to configure the Set Point. The flashing of the digit to be modified corresponding to the Set Point
starts.
2- Push ▲ or ▼ to select the first digit of Set Point.
3- Push <<AT to select the second digit Set Point. The flashing starts. Push ▲ or ▼to select the second digit of
Set Point.
4- Proceed in the same way, starting by pressing << AT, for the following digits until setting the Set Point
temperature.
5- Push the blue key SET to confirm
Heating will start if the Set Point is higher than the current temperature.
AUTO -TUNING
If there is a deviation from the programmed Set Point, it may be necessary to carry out an Auto-tuning in which the
regulator automatically selects the most suitable conditions to achieve adequate heating, obtaining the greatest
accuracy of which it is capable.
ACTIVATION – AUTO-TUNING
Put the container to be heated in the hot plate and adjust the Set Point to zero degrees. Check that the temperature
probe is properly installed and activate the device at medium power.
1- Enter the Set Point temperature. (S). See previous instructions.
2- Keep the <<AT key pressed for 5 seconds, and the AT light (green) will come on.
3- The process starts automatically. The working conditions must not be modified while it lasts.
The setting ends when the green AT light turns off.

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START UP. Models with Digital Controller
1- Put the main switch of the plate in the OFF position. Connect the rear power outlet to the network, 230V-
50/60Hz, with the supplied cable. Install the Pt100 probe in the models with an external probe using the
bar and bracket included.
2. - Check the operation of the temperature controller
ORDERING INFORMATION / MAINTENANCE SPARES
Before proceeding to any exam or repair it is necessary to disconnect of the mains. All initiative should be made by
qualified personnel to avoid bigger wrongs.
Trust their apparatus to a technical service authorized by DINKO Instruments.
Code Description
Spares
1.8040.00 Support rod
1.0050.16 Digital temperature controller PID
1.0090.01 Heating unit for D-35.
1.0090.02 Heating unit for D-39.
1.0061.02 Relay
1.8110.00 Temperature probe, external, 1 m cable Pt100.
1.8110.01 Temperature probe, external, 1 m cable Pt100 gel/glass anti-acid.
1.8041.00 Support for external temperature probe.
1.0053.01 Thermostat.
1.0042.04 Fan for D-35.
1.0042.02 Fan for D-39.
Ordering
1.8425.00 Hotplate 145mm Ø. D-35
1.8425.04 Hotplate 145mm Ø. D-35D
1.8426.00 Hotplate 180mm diam. D-39
1.8426.01 Hotplate 180mm diam. D-39D
1.8079.00 Sand Bath, round 20cm Ø
1.8079.10 Sand Bath, round 20cm diam. PID controller
1.8079.01 Steel chamber 20cm dia. Code 1.8079.01
Note
Disposal of Waste Electrical and Electronic Equipment by users in private households in the
European Union
This symbol on the product or on the packing indicates that this cannot be disposed of as household waste. You must
dispose of your waste equipment by handling it over to the applicable take-back scheme for the recycling of electrical
and electronic equipment. For more information about recycling of this equipment please contact your city office, the
shop where you purchased the equipment or your household waste disposal service. The recycling of materials will
help to conserve natural resources and ensure that it is recycled in a manner that protects human health and
environment.
WARRANTY
WHAT IS COVERED:
This product is guaranteed to be free of defect in workmanship and materials under normal use for a period of one year
from the date of purchase by the consumer. During the warranty period, the manufacturer will repair or, at their option,
replace at no charge a product that proves to be defective, provided you return the product, shipping prepaid, to an
authorized service center.
WHAT IS NOT COVERED:
Instruments subjected to misuse, buse, neglect or unauthorized repair or modifications will be excluded from this
warranty. Also excludes expendables, consumables. The liability of Dinko is limited to repair or replacement and in no
event shall Dinko be liable for any collateral or consequential damages or loss.

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“CE” DECLARATION OF CONFORMITY
DINTER S. A. DINKO Instruments c/ Encarnació, 123-125 / 08024 – Barcelona
Declare that the products mentioned in attached list, to which this declaration relates, comply with the essential safety
requirements of the relevant European Directive.
- Low Voltage Directive D2006/95/CEE, of December 12, 2006
- Electromagnetic compatibility (EC), relative to the Directive for electromagnetic compatibility 2004/108/CEE, of
December 15, 2004
-Safety for electrical devices of measurement, control, and laboratory use. Requirements concerning to CEM. EN
61326
-Safety rules for the electric devices of measurement, control, and laboratory use. Part I. General requirements EN
61010-1
-Requirements for laboratory equipment for heating materials EN 61010-2-010
Mounting and connecting instructions defined in catalogues and technical data sheets must be respected by the user
Name: Joan A. Bravo Josep X. Sensada
Position: Technical Manager Quality Manager
Signature:
Model: Hot Plates D-35 / D-39

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OTHER DINKO APPARATUS
- Colorimeters
- Extractor for mince analysis
- Heater Metallic Blocks
- Heater Plates
- Infrared Ovens
- Kits for Water Analysis
- Magnetic Stirrers.
- Nephelometers
- Orbital Shakers
- Peristaltic Pumps
- Photometers
-Respirometers
- Rod Stirrers
- Rotary Stirrers
- Sand Baths
- Temperature Controllers
- Timers
- Turbidimeters
- Turn Dishes
- Vacuum Pumps
DINKO Instruments
DINTER, S. A. c/ Encarnació, 123-125. Phone [phone]. Fax [phone] / 08024-Barcelona
e-mail: [email protected] www.dinko.es