MRC HSCD-10 Manual de usuario

HSCD-10 User Manual

LCD Digital 10"Square Hotplate Magnetic Stirrer

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.

10” Square (Hotplate) Magnetic Stirrer

Contents

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

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

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

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

2. Proper use ....................................................................... 3

3. Inspection ....................................................................... 4

3.1 Receiving Inspection ............................................ 4

3.2 Listing of Items........................................................ 4

4. Control............................................................................ 5

4.1 Control elements................................................... 5

4.2 Display...................................................................6

5. Trial run .......................................................................... 7

6. Working with external temperature sensor................... 7

7. Residual heat warning（HOT）..................

8. Remote Control (LCD Digital model) ........................... 8

9. Faults ............................................................................9

10. Maintenance and Cleaning ..........................................9

11. Associated standards and regulations ....................... 10

12. Specifications ........................................................... 11

Preface

Welcome to the “ 10” Square Hotplate Magnetic Stirrer”.

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 your local

distributor for technical support.

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.

Safety Instructions

•When working wear personal safety guards to avoid the

risk from:

-Splashing and evaporation of liquids

-Release of toxic or combustible gases

•Set up the instrument on a stable, clean, non-slip, dry

and fireproof surface. Do not operate the

instrument in explosive atmosphere, with hazardous

substances or under water.

•Gradually increase the speed, reduce the speed if:

Stirring bar breaks away due to high speed

The instrument is not running smoothly, or container

moves on the base plate

•Temperature must always be set to at least 50℃lower

than the fire point of the media used.

•Be aware of hazards due to:

Flammable materials or media with a low

boiling temperature

Overfilling of media

Unsafe container

•Process pathogenic materials only in closed vessels.

•Check the instrument and accessories prior to each use. Do

not use damaged components. Accessories must be securely

attached to the device and can not come off by themselves.

Always disconnect the plug before fitting accessories.

•When the external temperature sensor needed, the tip of the

measuring sensor must be at least 5-10mm from vessel bottom

and wall.

Warning!

•Read the operating instructions

carefully before use.

•Ensure that only trained staff works with the

instrument.

Risk of burn!

•Caution when touch the housing parts and the

hotplate which can reach temperature of 500

℃.

•Pay attention to the residual heat

after switching off.

Protective ground contact！

•Make sure that socket must be

grounded

(protective ground contact) before use.

•The instrument can only be disconnected from the main

power supply by pulling out the main or the connector plug.

•The voltage stated on the label must correspond to the

main power supply.

•Ensure that the main power supply cable does not touch

the hotplate. Do not cover the device.

•Forbid to put pressure and over heat media on the surface

of glass ceramic that can be caused surface broken.

•The instrument may only be opened byexperts.

•Keep away from high magnetic field.

Proper use

The instrument is designed for mixing and/or heating

liquids in schools, laboratories or factories.

•Observe the minimum distances between the devices,

between the device and the wall and above the assembly (min.

100 mm)

Figure 1

This device is not suitable for using in residential areas or

other constraints mentioned in Chapter 1.

>100mm

Inspection

3.1 Receiving Inspection

Unpack the equipment carefully and check for any damages

which may have arisen during transport. Please contact

supplier for technical support.

3.2 Listing of Items

The package includes the following items:

Items

Qty

Main unit

User Manual

Table 1

Note:

If there is any apparent damage to the system,

please do not plug it into the power line.

Figure

Control

4.1 Control elements

LCD Display

LED Heat

SD card

Timer

Temperature Control

Figure 2

LED Stir

Speed Control Knob

Power Switch

Table 2

Items

Descriptions

Temperature

control knob

The heating function is

switched

Speed Control

Knob

Set the rated rotary speed. The

stirring function is switched ON or

OFF by

LED Heat

When the heating function is

switched ON, the LED Heat is lit

LED Stir

When the stirrig function is switched

ON, the LED Stir is lit

Timer

Press the knob,and then press “-“ or

“+” can setting heating time value

LCD Display

If rotate the heating knob, LCD

displays the temperature setting

value(right side) and real value(left

side)

SD card The SD card can save the data of test

Power

Switch Switch ON or OFF the instrument.

Timer

℃Err

SD Probe Hot

Temp Stir

4.2 Display

Real value Temperature Stir Timer

Error

Rated value

SD Card External

probe

Hotplate

warning

Figure 5 LCD digital model

Temp and ℃

Display temperature when the

heating function is switched ON

Stir

Display stirring state when the

stirring function is switched ON

Timer

Display Timer parameter when the

timer function is switched ON

Err

Display in case of error happening

Hot

Display hot warning if the heating

plate temperature is above 50℃

after switching OFF the heating

function

Probe

Display when using external probe

Display when using SD card

Rated

value/Real

value

Display values in when heating or

stirring or timer function is

switched ON.

Note:

If both heating and stirring

functions have been started at the

same time,heat display always has

higher priority. If in this case

speed is changed via the stirring

knob, it displays stirring speed

and reverts to temperature after 5

seconds.The timer can only

control the heating time and the

button will not work as the

heating function has been started.

Warning!

Forbid to transfer the vessel when the

instrument working.

Trial run

•Make sure the required operating voltage and powersupply

voltage match.

•Ensure the socket properly grounded.

•Plug in the power cable，ensure the power is on and begin

initializing.

•Add the medium into the vessel with anappropriate

stirring bar.

•Place vessel on the work plate.

•Set the target stirring speed and begin.

•Set the target heating time.

•Set the target temperature and start heating.

•Stop the heating and stirring functions.

If these operations above are normal, the device is ready to

operate. If these operations are not normal, the device may be

damaged during transportation, please contact your local

dealer /supplier.

Working with external temperature

sensor

Connection PT1000 Fuse

Figure 7

The external temperature sensor PT1000 is manufacture’s

standard accessory. If the sensor is plugged in, “Probe” will be

shown on the LCD digital display to indicate the sensor is

operating.The setting value of external temperature sensor and

actual temperature are displayed. Safe circuit controls hotplate

temperature.Comparing with the temperature control of the

hotplate, the external temperature sensor can control the

medium’s temperature more precise. The heating function will

be stopped automatically under abnormal conditions. Please

operate follow the instructions below:

•Switch OFF the instrument.

•Ensure the external temperature sensor is inserted in the

media heated.

•Switch ON the instrument and run heating function.

If the heating function does not work, please contact

dealer/supplier for support.

Residual

heat

warning

（

HOT

）

In order to prevent the risk of burns from the hotplate, the

unit has a residual heat warning function. When the heating

function is switched off and the heating plate temperature is

still above 50°C, “Hot” will flash to warn that there is a

hazard of burns from the hotplate. When the hotplate

temperature drops to below 50℃, the unit will automatically

switch off. If users want to turn off the LCD screen

immediately, just pull out the plug directly. When the power

OFF, the residual heat warning function cannot be run.

Logging function

Figure 8

The data can be saved by SD card.The process is as follows:

With the power switch turned off, insert the SD card into the

slot on the left side of the panel.

After inserting it, turn on the power switch and operate the

heating as described above. Set temperature at 1 minute

intervals,

The current temperature will be logged automatically.

SD card

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