DLab RE100-Pro User manual

Rotary Evaporator

User Manual

RE100-Pro

LCD Digital Rotary Evaporator

Please read the User Manual carefully before use, and follow all

operating and safety instructions!

Technical specifications and outline are subject to change without prior

notice.

LED Digital 7”Square Hotplate Stirrer

Contents

Preface.................................................................................1

Service.................................................................................1

Warranty..............................................................................1

1. Safety Instructions....................................................... 2

2. Proper Use...................................................................5

3. Inspection....................................................................6

3.1 Receiving Inspection.............................................6

3.2 Listing of Items.....................................................6

4. Control and Display....................................................6

4.1 Control elements...................................................6

4.2 Display..................................................................8

5. Installation and Operation...........................................9

5.1 Installation.............................................................9

5.2 Operation............................................................. 12

6. Faults......................................................................... 13

7. Maintenance and Cleaning........................................14

8. Associated Standards and Regulations......................15

9. Specifications............................................................16

Preface

Welcome to the “Rotary Evaporator User Manual”. Users

should read this Manual carefully, follow the instructions

and procedures, and be aware of all the cautions when using

this instrument.

Service

When help needed, you can always contact the service

department of manufacturer for technical support in the

following ways:

Dragon Laboratory Instruments Limited

No.31, Yu An Road, Zone B of TianZhu Airport Industrial

Park, Shunyi District, Beijing, 101318 P. R. China

Tel: 86-10-85653451/52/53

Fax：86-10-85653383

E-mail: [email protected]m

Service Hotline: 400-1100-556

Http://www.dragon-lab.com

Please provide the customer care representative with the

following information：

• Serial number（on the rear panel）

• Certification

• Description of problem (i.e., hardware or software)

• Methods and procedures adopted to resolve the problems

• Your contact information

Warranty

This instrument is warranted to be free from defects in

materials and workmanship under normal use and service,

for a period of 24 months from the date of invoice. The

warranty is extended only to the original purchaser. It shall

not apply to any product or parts which have been damaged

on account of improper installation, improper connections,

misuse, accident or abnormal conditions of operation.

For claims under the warranty please contact your local

supplier. You may also send the instrument directly to

manufacturer, enclosing the invoice copy and by giving

reasons for the claim.

1. Safety Instructions

•Read the operating instructions in full before starting

up and follow the safety instructions.

•Keep the operating instructions in a place where they

can be accessed by everyone.

•Ensure that only trained staff work with the appliance.

•Follow the safety instructions, guidelines, occupational

health and safety and accident prevention regulations.

When working under a vacuum in particular!

•Wear your personal protective equipment in

accordance with the hazard category of the medium to

be processed. Otherwise there is a risk of:

- splashing liquids,

- body parts, hair, clothing and jewellery getting

caught,

- injury as a result of glass breakage.

•CAUTION! Inhalation of or contact with media such

as poisonous liquids, gases, spray mist, vapours, dusts

or biological and microbiological materials can be

hazardous to user.

•Set up the device in a spacious area on an even, stable,

clean, non-slip, dry and fireproof surface.

•Ensure that there is sufficient space above the device

as the glass assembly may exceed the height of the

device.

•Prior to each use, always check the device, accessories

and especially the glass parts for damage. Do not use

damaged components.

•Ensure that the glass assembly is tension-free! Danger

of cracking as a result of:

- stress due to incorrect assembly,

- external mechanical hazards,

- local temperature peaks.

•Ensure that the stand does not start to move due to

vibrations respectively unbelance.

•Beware of hazards due to:

- flammable materials,

- combustible media with a low boiling temperature,

- glass breakage.

•CAUTION! Only process and heat up media that has a

flash point higher than the adjusted safe temperature

limit of the heating bath that has been set.

•The safe temperature limit of the heating bath must

always be set to at least 25 °C lower than the fire point

of the media used.

•Do not operate the appliance in explosive atmospheres,

with hazardous substances or under water.

•Only process media that will not react dangerously to

the extra energy produced through processing. This

also applies to any extra energy produced in other

ways, e.g. through light irradiation.

•Tasks with the device must only be performed when

operation is monitored.

•Operation with excess pressure is not permitted (for

cooling water pressure see "Technical Data").

•Do not cover the ventilation slots of the device in

order to ensure adequate cooling of the drive.

•There may be electrostatic discharges between the

medium and the drive which could pose a direct

danger.

•The appliance is not suitable for manual operation.

•Safe operation is only guaranteed with the accessories

described in the ”Accessories” chapter.

•Refer to the operating instructions for the accessories,

e.g. vacuum pump.

•Only use the device under an all side-closed exhaust,

or a compa rable protective device.

•Adapt the quantity and the type of distilland to the size

of the distillation equipment. The cooler must work

properly. Monitor the coolant flow rate at the cooler

outlet.

•The glass equipment must always be ventilated when

working under normal pressure (e.g. open outlet at

cooler) in order to prevent a pressure build-up.

•Please note that dangerous concentrations of gases,

vapours or particulate matter can escape through the

outlet at the cooler. Take appropriate action to avoid

this risk, for example, downstream cold traps, gas

wash bottles or an effective extraction system.

•Evacuated glass vessels must not be heated on one side;

the evaporating flask must rotate during the heating

phase.

•The glassware is designed for operation under a

vacuum of up to 10 mbar. The equipment must be

evacuated prior to heating (see chapter

“Commissioning”). The equipment must only be aired

again after cooling. When carrying out vacuum

distillation, uncondensed vapours must be condensed

out or safely dissipated. If there is a risk that the

distillation residue could disintegrate in the presence

of oxygen, only inert gas must be admitted for stress

relief.

•CAUTION! Avoid peroxide formation. Organic

peroxides can accumulate in distillation and exhaust

residues and explode while decomposing!

•Keep liquids that tend to form organic peroxides away

from light, in particular from UV rays and check them

prior to distillation and exhaust for the presence of

peroxides. Any existing peroxides must be eliminated.

Many organic compounds are prone to the formation

of peroxides e.g. dekalin, diethyl ether, dioxane,

tetrahydrofuran, as well as unsaturated hydrocarbons,

such as tetralin, diene, cumene and aldehydes, ketones

and solutions of these substances.

•DANGER OF BURNING! The heating bath,

tempering medium, evaporator piston and glass

assembly can become hot during operation and remain

so for a long time afterwards! Let the components cool

off before continuing work with the device.

•ATTENTION! Avoid delayed boiling! Never heat the

evaporating flask in the heating bath without switching

on the rotary drive!Sudden foaming or exhaust gases

indicate that flask content is beginning to decompose.

Switch off heating immediately. Use the lifting

mechanism to lift the evaporator piston out of the

heating bath. Evacuate the danger zone and warn those

in the surrounding area!

•When the device is switched off or the power supply

disconnected, the internal safety lift removes the

evaporator piston from the heating bath.

•CAUTION! Never operate the device when the

evaporator piston is rotating and the lift is raised.

Always lower the evaporator piston into the heating

bath first before starting the rotation drive. Otherwise

hot tempering medium may be sprayed out!

•Set the speed of the drive so no tempering medium is

sprayed out as a result of the evaporator piston rotating

in the heating bath. If necessary reduce the speed.

•Do not touch rotating parts during operation.

•Imbalance may result in uncontrolled resonance

behaviour of the device or assembly. Glass apparatus

may be damaged or destroyed. In the event of

unbalance or unusual noises, switch off the appliance

immediately or reduce the speed.

•The appliance does not start up again automatically

following a cut in the power supply.

•The device is only disconnected from the power

supply network if the device power switch is off or the

plug is pulled out.

•The socket for the mains cord must be easily

accessible.

•The voltage stated on the type plate must correspond

to the mains voltage.

•Socket must be earthed (protective ground contact).

•Removable parts must be refitted to the appliance to

prevent the infiltration of foreign objects, liquids etc.

•Protect the appliance and accessories from bumps and

impacts.

•The appliance may only be opened by experts.

2. Proper Use

The instrument is designed for distilling in schools,

laboratories or factories. Together with the accessories

recommended by manufacturer, the device is suitable for:

- quick and gentle distillation of liquids

- evaporation of solutions and suspensions

- crystallisation, synthesis or cleaning of fine chemicals

- drying of powder and granulate material

- recycling of solvents

This device is not suitable for using in residential areas or

other constraints mentioned in Chapter 1.

3. Inspection

3.1 Receiving Inspection

Unpack the equipment carefully and check for any damages

which may have arisen during transport. Please contact

manufacturer/supplier for technical support.

Note:

1. If there is any apparent damage to the system,

please do not plug it into the power line.

2. Loosen transportation lock before Power ON.

3.2 Listing of Items

The package includes the following items:

Items

Qty

Main unit

Heating bath

Power cable

Glassware vertical

User Manual

Table 1

4. Control and Display

4.1 Control elements

Heating bath

Evaporating flask

Motor

Condenser

Receiving flask

Operation panel

Figure 1

Figure 2

USB

Power supply

Heating bath

connector

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