Techne 425H Operator'S Manual Download

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Issue 6.

Date of issue:
23rd July 2003



Techne is the trademark of

Techne and Techne Inc.

Tecal 425H

Calibrator

Operator's Manual

Summary of Contents for 425H

Page 1: ...Issue 6 Date of issue 23rd July 2003 Techne is the trademark of Techne and Techne Inc Techne 2003 Tecal 425H Calibrator Operator sManual...

Page 2: ......

Page 3: ...10 Working conditions 10 THE FRONT PANEL 11 Front panel controls 12 When you switch on 15 Configure Menu 15 MANUALMODE 16 PROGRAM MODE 17 Run Program 17 New Program 18 Program Running Display 19 Swit...

Page 4: ...PAGE 2 T E C A L 4 2 5 H O P E R A T O R S M A N U A L...

Page 5: ...control andlaboratoryuse EN 61010 2 010 1995 Particular requirements for laboratory equipment for the heating ofmaterials I have made all reasonable enquiries regarding the unit stated and its confor...

Page 6: ...the overtemperature indicator 6 Symbols on or near the power switch of the unit have the following meanings I mains switch On O mains switch Off After use When you have finished heating samples remem...

Page 7: ...ou le cas ch ant dans une hotte d aspiration en s assurant que les trous d a ration situ s sous l appareil ne sont pas obstru s 5 Les symboles ci dessous situ s c t des t moins lumineux sur la face av...

Page 8: ...chten Sie da die Entl ftungsrippen an der Ger teunterseite immer frei zug nglich sind 5 Wenn die Anzeigenl mpchen an der Vorderseite leuchten hat dies folgende Bedeutung Ger t ist eingeschaltet Ger t...

Page 9: ...deben cambiarlos personal debidamente capacitado Si los fusibles se fundieran repetidamente esto indicar a una aver a grave y puede que tuviera que devolverle el aparato a su proveedor para su repara...

Page 10: ...th the battery should never go flat as it is trickle charged from the internal electronics If the unit is not used for a long period over six months we advise that the unit is connected to the mains e...

Page 11: ...TEMPERATURES ARE DANGEROUS they can cause serious burns to operators and ignite combustible material Techne have taken great care in the design of these units to protect operators from hazards but ope...

Page 12: ...C to 100 C 752 F to 182 F Programmable ramp rate 0 1 to 10 C min 0 2 to 18 F min Switch Test Yes Fan cooling Automatic Comms Port 9way D type bi directional RS232 Dimensions Height 272mm 10 7 Width 1...

Page 13: ...membrane keypad an alphanumeric LCD panel an LED display and three LEDs The LCD panel can display up to four lines of characters and shows the parameters for the selected mode or the options available...

Page 14: ...ough the letters ABCD The UP ARROW key The key allows the operator to move up the current sub menu This key can also be used to increase numeric values in some fields Where a word can be entered then...

Page 15: ...within the data field Where a word can be entered then successive presses of this key will toggle through the lettersVWXYZ The PAUSE Button Except when the Ramp Rate is set the MAX the PAUSE key allo...

Page 16: ...s If the block temperature is above the set temperature then the indicator will be off as the heater is not getting any power Over Temperature Indicator If the unit should for any reason exceed the te...

Page 17: ...t the cursor on configure then press the ENTER key MAIN MENU manualmode programmode configure The following screen will appear CONFIGURE Switch no yes Hold Temperature C F userprobe no yes Use the ENT...

Page 18: ...either the switch nor the probe options are on Hold yes temperature 200 0 C ramp rate MAX hold time HOLD If the switch option is on yes temperature 200 0 C ramp rate 2 0 C min hold time 9 2 min switch...

Page 19: ...ou to the MAIN MENU Use the keys to move to option you require Press the ENTER key when you have selected the option you want The three options are explained in the next sections Run Program If you ha...

Page 20: ...steps is limited by the amount of program memory available and the maximum value will be set automatically If there is no data memory available the save data option will not be shown Set the fields i...

Page 21: ...and the display will go to XXXX_PRG step 01 01 loop 01 01 switch o c If you press the ENTER key while this screen is displayed except in Pause Made see below the screen will return to the appropriate...

Page 22: ...pt when the Ramp Rate is set to MAX the run is put into pause mode and the letter P appears at the bottom right hand corner of the display Either stop the run by pressing the ON OFF key to return the...

Page 23: ...RAM name TEST_PRG Pressing the ESC key in this screen will return you to the Program Mode without deleting a program Use the keys to find the program you want to delete Press the ENTER key to select i...

Page 24: ...ive build up of moisture will occur which may cause damage to the interior of the unit After Use 1 When you have finished heating samples remember that parts of the unit inserts and associated accesso...

Page 25: ...matter which unit is powered up first RS232 9 way PC serial port ON OFF switch Fuses Power inlet The following table indicates the cable specifications for a 9 way PC serial port Calibrator PC 9 way f...

Page 26: ...our supplier General fault finding Over temperature cutout Your Tecal unit is fitted with two independent circuits to protect it from overheating The unit constantly checks that the block temperature...

Page 27: ...than the value indicated on the unit serious damage or personal injury may result Replacement parts Each unit is supplied with an extraction tool a carrying case and a mains cable The following parts...

Page 28: ...cation AluminiumInserts Immersion depth 114 3 mm or 4 5 NUMBER PROBE DIAMETER METRIC FINSALA 5 off 6mm FINSALB 1 off each 10mm 8mm 6mm 4 5mm 3mm FINSALC 2 off 6mm 2 off 10mm FINSALD 2 off 6mm 2 off 12...

Page 29: ...s within 2 C of the set point temperature Pause When you press the PAUSE button the program halts but maintains the block at the temperature reached immediately before the key was pressed Note that it...

Page 30: ...PAGE 28 T E C A L 4 2 5 H O P E R A T O R S M A N U A L...

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