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TORREY PINES SCIENTIFIC EchoTherm SC20 Operating Manual

Orbital mixing, digital, electronic, chilling/heating dry bath
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OPERATING MANUAL
EchoTherm ORBITAL MIXING,
DIGITAL, ELECTRONIC, CHILLING/HEATING DRY BATH
MODELS SC20, SC20XT, SC20XR
Applies to version 6.0 and higher
DOCUMENT NUMBER SC20-100
Revised Feb 2021
TORREY PINES SCIENTIFIC, INC.
2713 Loker Ave. West
Carlsbad, CA 92010
TELEPHONE: (760)-930-9400
TOLL FREE: (866)-573-9104
FAX: (760)-930-9480
E-Mail: info@torreypinesscientific.com
Web site:
www.torreypinesscientific.com

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Summary of Contents for TORREY PINES SCIENTIFIC EchoTherm SC20

  • Page 1 EchoTherm ORBITAL MIXING, DIGITAL, ELECTRONIC, CHILLING/HEATING DRY BATH MODELS SC20, SC20XT, SC20XR Applies to version 6.0 and higher DOCUMENT NUMBER SC20-100 Revised Feb 2021 TORREY PINES SCIENTIFIC, INC. 2713 Loker Ave. West Carlsbad, CA 92010 TELEPHONE: (760)-930-9400 TOLL FREE: (866)-573-9104 FAX: (760)-930-9480 E-Mail: info@torreypinesscientific.com...

  • Page 2: Table Of Contents

    DISPLAY ....................... 11 PUSH BUTTONS ..................12 X. SETTING TEMPERATURE AND OTHER FEATURES ......... 13 SETTING TEMPERATURE ................13 SETTING ORBITAL SPEED ................. 13 SETTING TIMER ..................13 SETTING THE UNIT TO “IDLE MODE” ............16 Torrey Pines Scientific, Inc.
  • Page 3 COM Settings ....................25 XIV. CLEANING, MAINTENANCE, AND CONSUMABLE PARTS ....26 CLEANING ....................26 MAINTENANCE .................... 26 SPARE PARTS AND CONSUMABLES ............27 XV. ADDITIONAL SYMBOLS ................27 APPENDIX A: Commands Using the Serial Port ..........28 Torrey Pines Scientific, Inc.

  • Page 4: Introduction

    II. WARRANTY Torrey Pines Scientific warrants this product to be free from defects in material and workmanship for a period of one year from the date of purchase. If repair or adjustment is necessary and has not been the result of abuse or misuse within the one year period, please return---freight prepaid---and correction of the defect will be made without charge.

  • Page 5: Labels

    AC input cord for the power supply. Be certain to use a line cord with the same rating and of the same type as the one supplied by the manufacturer. Use the normal care and precaution one would use with any electrical appliance. Torrey Pines Scientific, Inc.

  • Page 6: General Description

    VI. GENERAL DESCRIPTION Torrey Pines Scientific SC20 units are Peltier driven for chilling & heating. They come with a universal power supply and the chilling/heating module. The units have two moving parts, the DC fan that cools the unit and the DC motor that oscillates the plate. Everything else is solid state and should last years without problem.
  • Page 7 The units are equipped with EEPROM memory that will store user settings such as the last set point, motor speed, MENU options, user changed calibration points, and logged data points. The stored values will be recalled each time the unit powers up to maintain the configuration of the previous session. Torrey Pines Scientific, Inc.

  • Page 8: Front And Rear Panel Controls

    Orbital Mixing Speed setting. There are two LEDs on the front panel. One is a power-on indicator and the other is the plate surface hot indicator that will illuminate when the plate is at or above 50C. Torrey Pines Scientific, Inc.

  • Page 9: Rear Panel

    REAR PANEL The rear panel shown has the on/off power switch at the left, the 12 volt dc power input jack in the middle, the DB9 connector for the RS232 I/O port is on the right. Torrey Pines Scientific, Inc.

  • Page 10: Set Up Parameters

    6. Set target temperature and timer, if wanted, according to the instructions that follow. Note: Do not use this equipment in any manner not specified by the manufacturer. ENVIRONMENTAL INFORMATION 1. This unit is for installation category II. 2. This unit is rated pollution degree 2. Torrey Pines Scientific, Inc.

  • Page 11: Display And Keyboard Descriptions

    Figure 1 below describes the screens for different modes of operation. Figure 1: Display Screens for Different Modes of Operation Torrey Pines Scientific, Inc.

  • Page 12: Push Buttons

    Menu on the LCD display. Scrolling to the various options in the Menu is accomplished by pressing the UP and DOWN ARROW buttons. This manual contains details on accessing and setting the various Menu options. Torrey Pines Scientific, Inc.

  • Page 13: Setting Temperature And Other Features

    UP or DOWN ARROW. The timer is set by accessing the Timer option in the Menu. See Figure 2 for details on setting and starting the Timer. Figure 3 indicates how to stop the timer. When the timer is Torrey Pines Scientific, Inc.
  • Page 14 Idle Mode, no power will be directed to the plate—the plate is essentially “turned off” and will naturally return to room temperature. See the Idle Mode section of this manual for more details. Figure 2: Menu Map to Set and Start the Timer Torrey Pines Scientific, Inc.
  • Page 15 Figure 3: Menu Map to Stop the Running Timer Figure 4: Menu Map to Select Timer Options Torrey Pines Scientific, Inc.

  • Page 16: Setting The Unit To "Idle Mode

    1. By pressing either arrow button –the set point will be set to 20C. 2. By selecting “Clr Idle Mode” from the menu—the set point before the unit was set to Idle Mode will be restored Figure 5: Menu Map to Set Idle Mode Using the Menu Torrey Pines Scientific, Inc.
  • Page 17 Figure 6: Menu Map to Clear Idle Mode Using the Menu Torrey Pines Scientific, Inc.

  • Page 18: Data Logger

    RS232 I/O port (ref XIII. RS232 INTERFACE). Figures 7, 8, and 9 show the steps to set the log period and how to start and stop a logging session. Figure 7: Menu Map to Set Log Period Torrey Pines Scientific, Inc.
  • Page 19 Figure 8: Menu Map to Start Logging Session Figure 9: Menu Map to Stop Logging Session Torrey Pines Scientific, Inc.

  • Page 20: Temperature Calibration

    Two-Point User Calibration Proper two-point calibration requires the unit to be calibrated by the user at both a low temperature and a high temperature. After calibration, the control algorithm inside the SC20 Torrey Pines Scientific, Inc.

  • Page 21: Single-Point User Calibration

    37C, the measured value when the unit reads 37C will be 37C, but when the unit reads 25C the measured value will likely be higher or lower than 25C. * “SC20” in the above text applies to models SC20 STD, XT, and XR Torrey Pines Scientific, Inc.

  • Page 22: Menu: Calibrate

    Check with the factory if help is needed. Also, calibration kits are available. Figure 10: Menu Map to Calibrate the Plate Temperatures Torrey Pines Scientific, Inc.

  • Page 23: Menu: Reset Cal Points

    “Set to Factory” and the unit will retrieve the calibration values obtained when the unit was calibrated at the factory prior to shipment. Selecting “Set to Not Cal” will remove all calibration corrections and the unit will be “uncalibrated”. Figure 11: Menu Map to Reset Calibration Points Torrey Pines Scientific, Inc.

  • Page 24: Temperature Measurement Error Codes

    Recommended Action The RTD Sensor is not connected or has RTDo Inspect Sensor and Sensor Connector failed and/or Contact Torrey Pines Scientific RTDs The RTD Sensor has shorted or has failed The Calibrated Temperature Value is out cal0 of range...

  • Page 25: Rs232 Serial Com Interface

    9600 baud 1 stop bit no parity no hardware handshake 100ms delay after each command sent (after \r) Note: To comply with CE and to avoid possible EMI radiation from the RS232 cable, use a shielded cable. Torrey Pines Scientific, Inc.

  • Page 26: Cleaning, Maintenance, And Consumable Parts

    UP or the DOWN Arrow buttons. Three dots (“---“) should appear on the LCD display—continue pressing the button until the message “Unit Reset” appears on the LCD display. Torrey Pines Scientific, Inc.

  • Page 27: Spare Parts And Consumables

    Power Cord, Germany (European) 730-0003 Power Cord, UK 730-0004 Power Cord, Italy 730-0005 Power Cord, Australia/China XV. ADDITIONAL SYMBOLS The following are additional symbols found on labels on the instrument Symbol Description Voltage Alternating Current Current Frequency Power Torrey Pines Scientific, Inc.

  • Page 28: Appendix A: Commands Using The Serial Port

    Description: When the command V<CR> is received by the SC20 unit, the 8 character serial number will be returned in a text string terminated by <CR><LF>. The serial number for every SC20 unit is unique. If the command is not received in the proper syntax, e<CR><LF> will be returned. Torrey Pines Scientific, Inc.
  • Page 29 Example1— Change set point to -10C: send: n-10<CR> returned: ok <CR><LF> Example2 – Change set point to 9C : send: n9<CR> returned: ok <CR><LF> Example3 – Change set point to 100C : send: n100<CR> returned: ok <CR><LF> Torrey Pines Scientific, Inc.
  • Page 30 If the command is not received in the proper syntax, e<CR><LF> will be returned. See Command: #F or Figure 10 to reset cal points if a calibration error has occurred Example—Return the plate temperature: send: p<CR> returned example 1: -10 <CR><LF> Torrey Pines Scientific, Inc.
  • Page 31 Description: When the command lc<CR> is received by the SC20 unit, the current log values will be erased and ready to start a new file. If the command is not received in the proper syntax, e<CR><LF> will be returned. Torrey Pines Scientific, Inc.
  • Page 32 5 minutes which means that a data point will be stored once every 5 minutes. If the command is not received in the proper syntax, e<CR><LF> will be returned. Example – set to log a data point every 5 minutes Torrey Pines Scientific, Inc.
  • Page 33 Function: Reset Unit to Default Configuration Description: When the command #Z<CR> is received by the SC20 unit, the unit will reset all non-volatile memory to default factory values. Example – reset Unit send: #Z<CR> returned: Unit Reset<CR><LF> Torrey Pines Scientific, Inc.
  • Page 34 Reset unit to default configuration (rarely #Z<CR> Uint Reset <CR LF> necessary) <CR> is ASCII return char (for example: “enter” keyboard press for HyperTerminal, “\r” for C pgms, ASCII hex char “D”) <LF> is ASCII linefeed char (d’10 or ‘\n’) Torrey Pines Scientific, Inc.

This manual is also suitable for:

Echotherm sc20xtEchotherm sc20xr

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