PCE Instruments PCE-MSR 150 Manual de usuario

Magnetic Stirrer PCE-MSR 150

User Manual

User manuals in various languages (français,

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product search on: www.pce-instruments.com

Last change: 9 January 2020

v1.0

English

Contents

1Safety notes........................................................................................... 1

2Introduction ........................................................................................... 3

3Intended use.......................................................................................... 3

4Technical specifications ...................................................................... 3

5Features ................................................................................................. 3

6Delivery contents ..................................................................................3

7Device description ................................................................................4

8Installation ............................................................................................. 5

8.1 Location and mounting..................................................................................................... 5

8.2 Connecting power adaptor ............................................................................................... 5

9User interface and display ...................................................................6

10 Operation ............................................................................................... 8

10.1 Switching on the device.................................................................................................... 8

10.2 Setting Time..................................................................................................................... 8

10.3 Setting Speed .................................................................................................................. 8

10.4 Pulse Mode Operation...................................................................................................... 9

11 Troubleshooting....................................................................................9

12 Maintenance and cleaning ...................................................................9

13 Contact............................................................................................... 10

14 Disposal ...............................................................................................10

1 Safety notes

Please read this manual carefully and completely before you usethe device for the first time. The

device may only be used by qualified personnel and repaired by PCE Instruments personnel.

Damage or injuries caused by non-observance of the manual are excluded from our liability and

not covered by our warranty.

•The device must only be used as described inthis instruction manual. If used otherwise,

this can cause dangerous situations for the user and damage to the meter.

•The instrument may only be used if the environmental conditions (temperature, relative

humidity, …) are within the ranges stated in the technical specifications. Do not expose

the device to extreme temperatures, direct sunlight, extreme humidity or moisture.

•Do not expose the device to shocks or strong vibrations.

•The case should only be opened by qualified PCE Instruments personnel.

•Never use the instrument when your hands are wet.

•You must not make any technical changes to the device.

•The appliance should only be cleaned with a damp cloth. Use only pH-neutral cleaner,

no abrasives or solvents.

•The device must only be used with accessories from PCE Instruments or equivalent.

•Before each use, inspect the case for visible damage. If any damage is visible, do not

use the device.

•Do not use the instrument in explosive atmospheres.

•The measurement range as stated in the specifications must not be exceeded under

any circumstances.

•Place the device on a flat, stable, clean, non-slippery and fire-proof

surface.

•Ensure that only trained staff uses the device. Keep the instructions manual

in a place where it can be accessed easily.

•Beware of the possible effects of magnetic field on pacemakers, data media,

etc.

•Properly lift the device with both hands while moving or installing.

•Do not place any steel or magnetic material on the top surface except the

recommended magnetic stirring bar with beaker or flask in between. Doing this can

affect the magnetism of device.

•Wear your personal protective equipment in accordance with the hazardous category

of the media to be processed. Otherwise, there is a risk from:

Splashing of liquids.

Ejection of parts.

The release of toxic or combustible gases.

•The top surface must be clean and kept intact. Wear protective gloves while cleaning

the device. Use a soft mild cloth to clean.

•Do not use damaged beaker, flask, stirring bar or any other component for operation.

It may affect the efficiency of the device.

•Reduce the speed if:

If the medium splashes out of the vessel due to high speed.

If the appliance is not running smoothly.

If the container moves on the base plate.

•Do not move the device when it’s connected to power supply or during its operation.

•Ensure that the product is used only for specified operation. It should not be used for

shaking hazardous or reactive solutions.

•Give specific attention to the risks associated with:

Flammable materials

Flammable media with low steam pressure

Overfilling of medium

Incorrect vessel size

Unstable vessel

Glass breakage

•Note that, there is a possibility of contamination or unwanted chemical reaction.

•The rating of power supply must match with the specified rating.

•Process pathogenic materials only in a closed vessel under a suitable extractor hood.

Do not operate the appliance in explosive atmospheres, with the hazardous substance

or under water.

•Only that liquid should be used for mixing which does not react dangerously to the extra

energy produced through processing. This also applies to any extra energy produced

in other ways. For example: Through light irradiation, through surrounding temperature

etc.

•Abrasion of the dispersion equipment or the rotating accessories can get into the

medium you are working on.

•The chemical reaction of PTFE can occur when in contact with molten or dissolved

alkaline earth metals. Only elementary fluorine, chlorine trifluorine and alkaline metals

do attack PTFE, halogen hydrocarbons have a reversible swelling effect

•To protect do not cover the device, even partially, with elements such as metallic plates

or sheets otherwise it may overheat. Ensure that mounting plate remains clean.

•Non-observance of the safety notes can cause damage to the device and injuries to

the user.

We do not assume liability for printing errors or any other mistakes in this manual.

We expressly point to our general guarantee terms which can be found in our general terms of

business.

If you have any questions please contact PCE Instruments. The contact details can be found at

the end of this manual.

2 Introduction

This manual provides important safety information for this Magnetic Stirrer. It should bekept near

the equipment for quick & easy reference. This stirrer is specially designed for precise control of

stirring speed which allows gentle to vigorous mixing with speed ranging from 200 to 2200 RPM

with a maximum capacity of 10 Ltr. The multipurpose digital display assists users by displaying

various parameters like speed, time, pulse &mode of operation, etc.

3 Intended use

The hotplate stirrer is suitable to use for mixing and/or heating the liquids with the maximum

capacity of 10 l. It is designed for use in general laboratories, pharmacies, schools and

universities.

NOTE: Before using the instrument, please read this user manual carefully. This user manual is

intended to assist with the operation and care of the unit only and not its repair. For repair please

contact the supplier.

4 Technical specifications

Motor

Max Stirring Quantity on Equip(H2O)

19 l

Speed range

200 …2200 RPM

Speed control

10 RPM / Step

Accuracy

±20 RPM

Time range

1 …999 minutes & Infinite

Bar Size

25 … 60 mm

Setup plate

Stainless steel

Dimensions (L x W x H)

156 x 248 x 77 mm

Protection class according to DIN EN

IP 43

Permissible ambient temp.

5 … 40°C

Permissible relative humidity

80 %

Weight

1.4 kg

Input Voltage

24 V / 0.3 A

Power Consumption

5.5 W

Maximum recommended bar size

Maximum Speed

25 mm

2200 RPM

35 mm

2200 RPM

50 mm

1650 RPM

60 mm

1500 RPM

5 Features

•Powerful motor delivers constant speed under varying load conditions.

•Variable speed setting from 200 to 2200 RPM in steps of 10 RPM & long timer range

from 1‐999 mins & infinite mode

•Microprocessor controlled with last run memory feature

•Large & clear display shows critical parameters for easy reading

•Small footprint saving valuable bench space

6 Delivery contents

1 x Magnetic Stirring Bar

1 x Power Adaptor: 100‐240VAC 50/60Hz (Input), 24V 1.5A (Output)

1 x User Manual

7 Device description

Front side

1 Stainless steel top plate 3 Start / stop button

2 Digital display 4 On / off button

Rear Side

1 Power Socket

8 Installation

This stirrer is provided in a box. Open the box, then remove the packaging and gently place the

device on the firm & levelled surface. Take care while unpacking and removing all accessories.

The user manual should be kept with the device for easy access. Please keep all packaging in

safe storage for at least two years for warranty purpose.

8.1 Location and mounting

Place the stirrer on a flat and levelled surface & ensure that all the four legs of this stirrer stands

on the surface firmly. Avoid installing on a slippery surface or surface prone to vibration.

1. Ideal ambient temperature is 25°C ± 1°C; avoid placing the unit in direct sunlight.

2. Keep clearance of at least 20 cm from all side to increase the cooling efficiency.

3. Keep the unit away from heated solution to avoid sample temperature issues.

4. Do not place the equipment at a place where it becomes difficult to operate it.

8.2 Connecting power adaptor

1. Connect one end of the power adaptor to the rear side of the stirrer and another end

to the power supply as shown in the figure below.

2. Push the power adaptor firmly for proper connection and turn ON the main switch.

3. Make sure that input power source is according to stirrer requirement.

9 User interface and display

Display

Display shows current speed and time

values

Display shows speed, time and pulse mode

Item

No.

Function

Speed

Press “Speed” to select

Speed value. Then press

“+/‐”

to set Speed value in RPM

Time

Press “Time” to select time

value. Then press “+/‐”to set

Time value in minutes

Mins/Hours

Press “Mins / Hours” to

display time either in Minutes

or Hour/s

Pulse

Press “Pulse” to activate the

pulse mode in any operation.

Long pressing “Pulse” lets

user select timings for pulse

mode from 30 to 99 s

Increment

Press “+” to increase values

Decrement

Press “‐”to decrease values

Start/Stop

Press “Start/Stop” to Start or

Stop any operation

10 Operation

10.1 Switching on the device

Plug the power adaptor intoits socket on the rear panel, now connect the powercord to ACpower

output. Now switch ON the mains and switch ON the stirrer from the front side, as shown in the

figure. The power LED on its front panel will glow.

Important note: Values of any parameter will get set saved only after the respective display

blinks for 5 times.

10.2 Setting Time

The time in the display will show in minutes. The stirrer timer set for operation is in between 1min

to 999 mins and infinite. Infinite time is seen as “)(”. To set time, press “TIME” button and then set

the value by pressing “+/‐”button. When time button is pressed, the “Mins” display will blink

indicating the time value is selected. Once time value is selected, single press “+/‐”will increase

or decrease time value by 1min.

Long press increment or decrement button to quickly increase or decrease time value. Time value

gets saved after multiple blinks. The timer is a countdown timer showing remaining time left. Once

time is over, the stirrer stops.

10.3 Setting Speed

Speed is displayed as RPM. The minimum and maximum speed of stirrer is 200 RPM and 2200

RPM respectively. When the equipment is used for the 1st time, the speed will be set to zero and

shown as “0”. Once speed value is selected, single press “+/‐”will increase or decrease speed

value by 10 RPM. Long press“+/‐”to quickly increase or decrease speed value. Speed value get

saved after 5 blinks.

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