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TORREY PINES SCIENTIFIC EchoTherm SC20, Руководство по эксплуатации

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TORREY PINES SCIENTIFIC EchoTherm SC20 Скачать руководство пользователя страница 27

Torrey Pines Scientific, Inc. 

27 

 

 
SPARE PARTS AND CONSUMABLES 
 
There are very few spare or consumable parts.  A simple list is below. 
 
Part Number  

Description 

730-0001 

 

Power Cord, US 

730-0002 

 

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 

 
V 

 

 

Voltage 

~ 

 

 

Alternating Current 

A 

 

 

Current 

Hz 

 

 

Frequency 

W 

 

 

Power 

 

Содержание EchoTherm SC20

Страница 1: ...20 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 ...

Страница 2: ...R PLATE 6 ORBITAL MIXER 6 TIMER 6 ALARM 6 DATA LOGGER 6 VII FRONT AND REAR PANEL CONTROLS 8 FRONT PANEL 8 REAR PANEL 9 VIII SET UP PARAMETERS 10 SET UP PARAMETERS 10 SET UP INSTRUCTIONS 10 ENVIRONMENTAL INFORMATION 10 IX DISPLAY AND KEYBOARD DESCRIPTIONS 11 DISPLAY 11 PUSH BUTTONS 12 X SETTING TEMPERATURE AND OTHER FEATURES 13 SETTING TEMPERATURE 13 SETTING ORBITAL SPEED 13 SETTING TIMER 13 SETTIN...

Страница 3: ...n 21 MENU Calibrate 22 MENU Reset Cal Points 23 XII TEMPERATURE MEASUREMENT ERROR CODES 24 XIII RS232 SERIAL COM INTERFACE 25 Cable Pinout 25 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 ...

Страница 4: ...d please return freight prepaid and correction of the defect will be made without charge Out of warranty products will be repaired on a charge basis III RETURN OF ITEMS Authorization must be obtained from our Customer Service Department before returning items for any reason When applying for authorization please include data regarding the reason the items are to be returned For your protection ite...

Страница 5: ...sure it is cool Note that there is a red LED on the front panel marked HOT This will illuminate when the heater surface goes above 50 0 C 122 F ORBITAL MIXER The plate that holds the sample blocks is mounted on the orbital mixing mechanism Note that there are two cardboard restraints wedged under the spill shield around the heater plate Be sure to remove these before using the mixer to prevent dam...

Страница 6: ...0 to 1000 rpm The plate is supported by a flexure leaf spring mechanism that is driven by a motor at the rear of the unit The orbit is about 2mm peak to peak and works well for mixing small samples in centrifuge tubes at faster speeds and larger samples in larger vessels at slower speeds This is a rugged mechanism but take care not to drop anything heavy on the plate surface TIMER All units have a...

Страница 7: ... 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 ...

Страница 8: ...ameters The display is a two line alphanumeric LCD with backlighting When the unit is turned on the display will light and show the Set Point Plate temperature will be displaying the actual temperature of the plate surface and the 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...

Страница 9: ...orrey Pines Scientific Inc 9 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 ...

Страница 10: ...he line cord provided and then into a properly grounded 3 wire outlet of proper voltage 3 Plug the power supply cable into the rear of the chilling heating module 4 Place the sample on the plate surface 5 Turn the unit on by the switch on the rear of the chilling heating module The unit display will light and the power LED will illuminate 6 Set target temperature and timer if wanted according to t...

Страница 11: ...y viewing It is used to set all the parameters of the units The two push buttons enable the user to set a temperature set the orbital mixing speed set a timer and to calibrate the temperature against a local standard Figure 1 below describes the screens for different modes of operation Figure 1 Display Screens for Different Modes of Operation ...

Страница 12: ...e by 1C with each press If the UP ARROW is pressed and held down the set point will increase by 1C after the first press but after holding for 2sec the set point temperature will rapidly increase until the button is released or until the maximum set point for the unit is reached A double key press is accomplished by simultaneously pressing and releasing both UP and DOWN ARROW buttons In the defaul...

Страница 13: ...th the temperature measurement circuitry or if the calibration values are invalid an error code will be displayed in the location of the Plate temperature For example if the low calibration measured value is out of range the unit will display Plate cal1 See the XII Temperature Measurement Error Codes section of this manual for a complete listing and the appropriate course of action should an error...

Страница 14: ...hes zero If the Auto Off feature is disabled Auto Off no the unit will continue to control the plate to the set point temperature when the timer reaches zero If the Auto Off feature is enabled Auto Off yes the unit will go into Idle Mode when the timer reaches zero When the unit is in Idle Mode no power will be directed to the plate the plate is essentially turned off and will naturally return to ...

Страница 15: ...Torrey Pines Scientific Inc 15 Figure 3 Menu Map to Stop the Running Timer Figure 4 Menu Map to Select Timer Options ...

Страница 16: ...ed as described below See Figure 5 and Figure 6 for details on setting and clearing Idle Mode using the menu The unit will enter Idle Mode in two ways 1 By using the Menu option Set Idle Mode 2 By setting the Auto Off option to yes in the Timer Options menu The SC20 will enter Idle mode when the countdown timer reaches 00 00 00 at the end of a timer period or when a program has ended The unit will...

Страница 17: ...Torrey Pines Scientific Inc 17 Figure 6 Menu Map to Clear Idle Mode Using the Menu ...

Страница 18: ...ond every minute or every five minutes as set by the user When the unit is in Log mode the character L will be displayed on the LCD screen in the lower left corner The data buffer can then be down loaded whenever wanted via the 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 Peri...

Страница 19: ...Torrey Pines Scientific Inc 19 Figure 8 Menu Map to Start Logging Session Figure 9 Menu Map to Stop Logging Session ...

Страница 20: ...ne with the low and high calibration temperatures equal to the corresponding low and high temperatures in the expected range If operation at only a single temperature is required then single point calibration may be appropriate with the understanding that displayed and measured temperature values will only match at the single calibration temperature and not at other temperatures Executing the menu...

Страница 21: ...ation the unit must be calibrated at either the low or high temperature calibration point but not both The rule of thumb is if the single point calibration point is less than 50C calibrate using the low temperature calibration point and if greater than 50C then calibrate using the high temperature calibration point For example if the unit is to be single point calibrated at 37C the low temperature...

Страница 22: ...ATE SURFACE AND BLOCK SURFACE MEASUREMENTS ARE DIFFICULT TEMPERATURE MEASUREMENT TO MAKE ACCURATELY Ensure that the unit and the measurement device have had sufficient time 10 mins to stabilize at the new calibration temperature prior to entering in Measured Temperature Value If the temperatures are not stable when the measured temperature value is entered significant display and unit performance ...

Страница 23: ... points In most cases select 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 ...

Страница 24: ... displayed instead of the temperature value for Plate Table 1 below lists the error codes the possible cause and recommended action to address the error and return the unit to proper operating condition Calibration errors cal0 cal4 are addressed by entering the Menu and resetting the unit to the factory settings or to the Not Cal settings see Figure 11 The unit can then be re calibrated if necessa...

Страница 25: ...ollowing each command that is sent to the SC20 unit Refer to Appendix A of this document for a detailed description of the commands available when using the serial port The interface cable should be the straight through type with the minimum connections shown in the Figure 12 below Additionally a DB9 to USB dongle may be used if the PC does not have a DB9 serial COM connector Cable Pinout Figure 1...

Страница 26: ...at the unit is not dirty to a point where proper performance is impaired This is especially important relative to the membrane switch and LCD window 3 Being certain to store the unit properly when not in use in an area that will not have items placed on top of the unit and covering the unit in a way that will keep dirt and other foreign bodies out of the unit Note Outside electrical interference s...

Страница 27: ...umber Description 730 0001 Power Cord US 730 0002 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 V Voltage Alternating Current A Current Hz Frequency W Power ...

Страница 28: ...s returned from the SC20 will be terminated with this character Actually every string that is returned from the SC20 will be terminated with a CR then a LF In HyperTerminal the combined characters will cause the cursor to return to the beginning of the next line Programs written in C for example can use this character often n for parsing returned strings string Characters within parenthesis are st...

Страница 29: ...ent set point send s CR returned example 1 10 CR LF returned example 2 9 CR LF returned example 3 100 CR LF returned example 4 off CR LF if unit is in Idle Mode see Command i Command n Function Set and Store New Set Point Temperature Description When the command n new_temperature CR is received by the SC20 unit the set point will be changed to new_temperature and the text string ok will be returne...

Страница 30: ... value that it was before the unit entered Idle Mode If the command is not received in the proper syntax e CR LF will be returned Example verify Idle Mode send s CR returned off CR LF Example Clear Idle Mode set point was 25C before entering Idle Mode send I CR returned ok CR LF set point now 25C Example verify no longer in Idle Mode and set point is 25C send s CR returned 25 CR LF Command p Funct...

Страница 31: ...ll 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 Example return the orbital speed which is currently displayed as 3 on the LCD display send r CR returned 3 CR LF Example set the orbital speed to 3 send m3 CR returned ok CR LF Logging Commands Command l Function Return the Current Log File Description When the command l CR is re...

Страница 32: ...ging Period to 1 second Description When the command le CR is received by the SC20 unit the unit will set the logging period to 1 second which means that a data point will be stored once every second If the command is not received in the proper syntax e CR LF will be returned Example set to log a data point every second send le CR returned ok CR LF Command lm Function Set Logging Period to 1 minut...

Страница 33: ...ture when calibration at high temperature was done Measured_Temp_Hi Measured temperature entered when calibration at low temperature was done Example return the stored calibration values send m CR returned 37 36 2 70 71 1 CR LF Command F Function Reset all Calibration Values to Factory Set Values Description When the command F CR is received by the SC20 unit the unit will reset and store all calib...

Страница 34: ...t return Orbital Speed 0 9 m CR 3 CR LF m3 CR ok CR LF Logging l return log file l CR log_data 0 CR LF log_data n CRLF lc clear log file lc CR ok CR LF ls start logging ls CR ok CR LF lp stop logging l p CR ok CR LF le set log period to 1 second le CR ok CR LF lm set log period to 1 minute l m CR ok CR LF l5 set log period to 5 minutes l5 CR ok CR LF b return current log period b CR s m or 5 CR LF...

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