Page 1
Digital Ceramic Hotplate With Stirrer MHK-4D Operation Manual 3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 mrclab...
Page 2
MRC makes no representations or warranties with respect to this manual. In no event shall MRC be held liable for any damages, direct or incidental, arising out of or related to the use of this manual.
Table of content Section 1 Warning and Cautions………….…..……………………………1-1 Section 2 General Description ………….………………..…………………2-1 Features Safety Convenience Construction Section 3 Unpacking and installation…………………….……….………3-1 Installation environment Connecting to Power Supply Location Condition Connecting to the main power Section 4 Operation……………………………………….…………………….4-1 Power On Change the Set Value (SV) Change the Alarm Value Autotuning (AT)
After the smoke or odor disappears, contact your dealer or MRC if any repair is required. 3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529...
Page 5
Never disassemble, repair, or modify this equipment on your own. Doing so will void your warranty and may result in injuries or product damages. Do not heat any substances above temperature which will cause hazards of explosion, implosion or release of toxic or flammable gases from the material being heated.
Page 6
Make sure to set up this equipment on a flat, stable, clean, non-slip, dry, and fireproof surface inside a lab with proper safety measures. Do not touch the power outlet, power socket, or power cord with wet hands. And make sure to connect the power cord directly and firmly to the power outlet and power socket.
Page 7
The Instrument must be connected to an earthen (grounded) supply 3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 mrclab...
General Description Section 2 Congratulations of your purchase of MRC hotplate which is specially designed to provide maximum benefit for your investment with respect to performance, safety, ease of use, and durability. Item/Model MHK-4D Dimension (W x D x H, mm)
Safety High and Low Temperature Limits The high temperature limit of the top plate is set to 500°C to protect you and your media. However, you can set your own high and low temperature limits to reduce operation time and also to avoid inadvertent mistakes.
Construction (1) Ceramic Top Plate (2) Main Power Switch (3) FY-401 Temperature Controller (4) Stirring Control Knob (5) Stirring Switch (6) Socket for Temperature Probe (7) Identification Label (8) Threaded Holes for Support Rod (Optional) (9) Power Cord 3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 mrclab...
If such damage is found, notify the carrier immediately. After unpacking, check to ensure that all the following parts and accessories are included in the package. If not, contact your dealer or MRC immediately. Item Quantity Main Body...
Location Conditions DANGER Never install or use this equipment in explosive atmospheres. Never install or use this equipment with or near to hazardous or flammable substances. Never expose this equipment to any heat sources including direct sunlight. ...
Connecting to Main Power DANGER Check electrical requirements in the operation manual or on the ID plate attached to the back of this equipment before use. Make sure to connect this equipment only to properly grounded as well as dedicated power outlets to protect you and your equipment.
Operation Section 4 FY-401 Digital controller SYMBOL NAME FUNCTION Measured value Displays PV or various parameter symbols (PV) display (Red) Set value Displays SV or various parameter set values (SV) display (Green) Used for parameter calling up and set value Set key registration Auto/Manual key...
Operations Power On Controller will display as below Change the Set Value (SV) Change SV for example from 0 to 100 NOTICE You can change the temperature setting even during operation. Changing the temperature setting is allowed only within the low and high temperature limits.
Change the Alarm Value Change AL1 value for example to "5.0" (AL1 active, if PV exceeds SV over 5.0) Autotuning (AT) Temperature control using digital PID controllers have automatic auto-tune functions. During the auto-tune period the PID controller controls the power to the process and measures the rate of change, overshoot and response time of the plant.
Temperature Offsetting (OFFSET) The temperature shown on the Actual Temperature Display is measured by a temperature sensor inside the unit. However, this temperature can be different from the temperature of your own thermometer which you may use as a standard for your specific applications.
External Temperature Probe Input Connect the K type optional External Temperature probe into the back socket. To Connect the External Temperature Controller 1. Turn the Stir Control Knob and the main switch to the OFF position. 2. Disconnect power cord. 3.
Maintenance Section 5 Inspection Interval Item Daily Weekly Connection status of power cord or plug Damages in power cord or plug Cleanliness of top plate Cleanliness of main body and accessories Damages in plate, switches, buttons, Controller ...
The ceramic top may break during use if not properly maintained. Keep the ceramic top clean. A nonabrasive cleaner may be used to clean the ceramic top Inspect the ceramic top for damage during cleaning. Discontinue product use if the ceramic top is chipped, etched, or shows excessive scratching.
Keeping Product If you know you will not use this equipment for an extended period of time, (1) Disconnect the power cord from the power outlet and clean the equipment with soft cloth. (2) Pack the equipment properly and make sure to store it in dry place.
Replace the damaged part with a Power outlets, plug, controller proper one. Internal circuit failure Contact MRC for service Disconnect all the appliances connected to the breaker first and reconnect them Electrical overload one by one to find the reason for the Repetitive tripping of overload.
The Technical Services Department must give prior approval for return of any components or equipment. Your MRC Sales Office is ready to help with comprehensive site preparation information before your equipment arrives. Printed instruction manuals carefully detail equipment installation, operation and preventive maintenance.
Need help?
Do you have a question about the MHK-4D and is the answer not in the manual?
Questions and answers