User manual Temperature Calibrator JOFRA CTC-140
Contents
1. 088 Esc MENU 4 ESC MENU N 4 57 UA IE ESC MENU 2 2013 10 10 List of contents 1 0 2 0 3 0 4 0 5 0 Introduction en 2 1 1 List of equipment 2 Safety instructions 35255825 3 Operating the calibrator 2 4 4 8 3 1 Before 8 3 2 Keyboards gt 11 OO DISMAY eine ee 11 3 4 Connections An hei eed teens 12 3 5 Calibrator functions 12 3 6 Selecting the 12 3 7 SWITCH TEST A tres 13 3 8 AUTO STEP nes anne an 14 BGE MENU ees a as ANT 19 Setting the main voltage and replacing the fuses 16 After 18 5 1 Switching off the 19 123199 04 1 1 0 Introduction CTC calibrators are temperature calibrators designed to calibrate temperature sensors and temperature switches Read this manual carefully before using the instrument and make sure that all safety instructions and warnings are observed 1 1 List of equipment received Wh2. TEST amp CALIBRATION INSTRUMENTS User manual Temperature Calibrator JOFRA CTC 140 320 650 A B JOFRA 1200 A User manual Temperature Calibrator JOFRA CTC 140 320 650 A B JOFRA CTC 1200 A Copyright 2005 AMETEK DENMARK A S 123199 UK 0 0 6 FIG 1 RS232 2013 10 10 2013 10 10 FIG 3 1 0 210 gt SET TEMP au 20 SWITCH TEST Te AUTO STEP ST 85 gt MENU SETUP Un te mi OMAK FALE gt Add RES 2013 10 10 FIG 4 Zen SWITCH TEST uy Se gt LJ 2013 10 10 AUTO STEP ee FIG 5 gt IF 4 2 ot 4 iA 2013 10 10 as ESC FIG 6 RESOL u 087 Er ENU 2 5 7 N Add TABL 1 UP N u ESC SLOPE 2 sek
3. after the last set temperature to end the function new menu to leave the function at any time 14 123199 04 3 9 MENU The MENU function cf fig 6 is used to modify the SETUP parameters Hold down for approx 2 seconds The word GE will appear on the display Press The first SETUP parameter will be displayed NAU Press Y to toggle between the SETUP parameters iE Temperature unit C or F 1 K The highest permissible temperature for the calibrator GL rAtE Temperature change minute used in connection with SWITCH TEST STAHL pag Hdd Extra time which must elapse once the well is stable before the check mark symbol is displayed RE SUL Temperature resolution of 0 or 1 decimal Press to select the SETUP parameter you wish to change The current value will flash OM Press to select the required value Zu f ESC Press gt to accept your selection or vew to cancel and return to the previous value Once you have changed all SETUP parameters as required cancel the function by pressing twice 123199 04 15 4 0 Setting the main voltage and replacing 16 the fuses Warning e The fuse box must not be removed from the power control switch until the mains cable has been d
4. cause burns e Do not touch the handle of the calibrator during use it may be very hot and cause burns Follow the instructions below before using the calibrator cf fig 1 Place the calibrator on an even horizontal surface away from all draughts Caution Do not use the instrument if the fan is out of order Ensure a free supply of air to the fan located at the bottom of the instrument pos 9 Check that the voltage shown on the power control switch pos 7 is identical to the mains voltage Plug in the cable below the power control switch pos 8 and check that the earth connection is present Select an insertion tube pos 4 with a well diameter that matches the sensor pos 1 to be calibrated Insert the insertion tube in the well of the calibrator 04 9 123199 D 10 Caution e The well and the insertion tube must be clean before use e The insertion tube must never be forced into the well The well could be damaged as a result and the insertion tube may get stuck e Do not pour any form of liquids into the well It might damage the well or cause a hazard If the design of the sensor permits it use an insulation tube pos 2 and insulation pos 3 for the best results These should be mounted as shown in fig 1 Place the sensor pos 1 in the insertion tube pos 4 as shown in fig 1 In order to protect the sensor and its connections it is recommended to use a heat protection shie
5. power cable with a mains plug that connects to the protective earth To ensure the connection to protective earth any extension cord used must also have a protective earth conductor Only use a mains power cord with a current rating as specified by the calibrator and which is approved for the voltage and plug configuration in your area Before switching on the calibrator make sure that it is set to the voltage of the mains electricity supply Always position the calibrator to enable easy and quick disconnection of the power source mains inlet socket The calibrator must be kept clear within an area of 20 cm on all sides and 1 metre above the calibrator due to fire hazard Never use heat transfer fluids such as silicone oil paste etc in the dry block calibrators These fluids may penetrate the calibrator and cause electrical hazard damage or create poisonous fumes The calibrator must be switched off before any attempt to service the instrument is made There are no user serviceable parts inside the calibrator When cleaning the well or insertion tube REMEMBER to wear goggles when using compressed air About the front panel The connections used to test thermostats must NEVER be connected to a voltage source Thermostats must not be connected to any other voltage source during a test About the insertion tubes insulation plug well and sensor Never leave hot insertion tubes which have been removed from the cal
6. 0 C 122 F before you switch it off Do not remove the insert from the calibrator before the insert has cooled down to less than 50 C 122 F A Caution Cold surface Below 0 C 32 F applies only to the CTC 140 A models Do not touch the well or insertion tube when these are below 0 C 32 F they might create frostbite If the calibrator has reached a temperature below 0 C 32 F ice crystals may form on the insertion tube and the well This in turn may cause the material surfaces to oxidize To prevent this from happening simply heat up the calibrator to 100 C 212 F until all water left has evaporated Remove the insulation plug while heating up It is very important that humidity in the well and insertion tube is removed to prevent corrosion and frost expansion damages Caution About the use Do not use the instrument if the fan is out of order Before cleaning the calibrator you must switch it off allow it to cool down and remove all cables About the well insertion tube and grid plate The well and the insertion tube must be clean before use Do not pour any form of liquids into the well It might damage the well or cause a hazard Scratches and other damage to the insertion tubes should be avoided by storing the insertion tubes carefully when not in use The insertion tube must never be forced into the well The well could be damaged as a result and the insertion tube may get stuck Th
7. C 212 F before placing it in the carrying case Caution e The insertion tube must always be removed from the 18 calibrator after use The humidity in the air may cause corrosion oxidation on the insertion tube inside the instrument There is a risk that the insertion tube may get stuck if this is allowed to happen If the calibrator is to be transported the insertion tube must be removed from the well to avoid damage to the instrument If the insertion tube is not removed from the CTC 1200 A the ceramic well might crack Scratches and other damage to the insertion tubes should be avoided by storing the insertion tubes carefully when not in use Caution Hot surface Do not touch the grid plate the well or the insertion tube they may be very hot and cause burns Do not touch the tip of the sensor when it is removed from the insertion tube well it may be very hot and cause burns Do not remove the insertion tube from the calibrator before the insertion tube has cooled down to less than 50 C 122 F 123199 04 5 1 Switching off the calibrator The following routine must be observed before the insertion tube is removed and the instrument switched off cf fig 1 1 If the calibrator has been heated up to temperatures above 50 C 122 F you must wait until the instrument reaches a temperature below 50 C 122 F before you switch it off 2 If the calibrator has reached a temperature below 0 C 32
8. F it should be heated momentarily to a temperature of 100 C 212 F 3 Switch off the calibrator using the power control switch pos 7 4 Remove the insertion tube from the calibrator using the tool supplied with the instrument 5 Optional Store the calibrator in the carrying case 123199 04 19 AMETEK TEST amp CALIBRATION INSTRUMENTS United Kingdom USA Tel 44 0 1243 833 302 Florida jofra ametek co uk Tel 1 800 527 9999 cal info ametek com France Tel 33 0 1 30 68 89 40 California general lloyd instruments ametek fr Tel 1 800 444 1850 sales crystalengineering net Germany Tel 49 0 2159 9136 510 India info mct de ametek de Tel 91 22 2836 4750 jofra ametek com Denmark Tel 45 4816 8000 jofra ametek com Information in this document is subject to change without notice 2013 by AMETEK Inc www ametek com All rights reserved Singapore Tel 65 6484 2388 jofra ametek com China Shanghai Tel 86 21 5868 5111 Beijing Tel 86 10 8526 2111 Guangzhou Tel 86 20 8363 4768 jofra sales ametek com cn
9. ays use a mains power cable with a mains plug that connects to the protective earth To ensure the connection to protective earth any extension cord used must also have a protective earth conductor Only use a mains power cord with a current rating as specified by the calibrator and which is approved for the voltage and plug configuration in your area Before switching on the calibrator make sure that it is set to the voltage of the mains electricity supply Always position the calibrator to enable easy and quick disconnection of the power source mains inlet socket The connections used to test thermostats fig 1 pos 10 and 11 must NEVER be connected to a voltage source 123199 04 e Thermostats must not be connected to any other voltage source during a test e Never use heat transfer fluids such as silicone oil paste etc in the dry block calibrators These fluids may penetrate the calibrator and cause electrical hazard damage or create poisonous fumes e The calibrator must be kept clear within an area of 20 cm on all sides and 1 metre above the calibrator due to fire hazard e Use only insulation plugs supplied by AMETEK Denmark A S Do not try to modify the insulation plugs to make them fit the sensor CTC 1200 A only Caution Hot surface This symbol is engraved in the grid plate Do touch the grid plate the well or the insertion tube as the calibrator is heating up they may be very hot and
10. e insertion tube must always be removed from the calibrator after use 123199 04 The humidity in the air may cause corrosion oxidation on the insertion tube inside the instrument There is a risk that the insertion tube may get stuck if this is allowed to happen e If the calibrator is to be transported the insertion tube must be removed from the well to avoid damage to the instrument If the insertion tube is not removed from the CTC 1200 A the ceramic well might crack Em Note The product liability only applies if the instrument is subject to a manufacturing defect This liability becomes void if the user fails to follow the instructions set out in this manual or uses unauthorised spare parts 123199 04 3 0 3 1 Operating the calibrator Before use Warning The calibrator must not be used for any purposes other than those described in this manual as it might cause a hazard The calibrator has been designed for indoor use only and is not to be used in wet locations The calibrator is not to be used in hazardous areas where vapour or gas leaks etc may constitute a danger of explosion The calibrator is not designed for operation in altitudes above 2000 meters The calibrator is a CLASS product and must be connected to a mains outlet with a protective earth connection Ensure the ground connection of the calibrator is properly connected to the protective earth before switching on the calibrator Alw
11. en you receive the instrument the following should be enclosed 1 calibrator 1 mains cable 1 set of test cables 1 black 1 red 1 insertion tube 1 tool for insertion tube 1 traceable certificate 1 reference manual 1 User manual 1 RS232 serial cable 1 CD ROM containing software package JOFRACAL 2 123199 04 2 0 Safety instructions instrument so Read this manual carefully before using the In order to avoid any personal injuries and or damage to the instrument all safety instructions and warnings must be observed 123199 04 Disposal WEEE Directive These calibrators contain Electrical and Electronic circuits and must be recycled or disposed of properly in accordance with the WEEE Directive 2002 96 EC _ Warning About the use The calibrator must not be used for any purposes other than those described in this manual as it might cause a hazard The calibrator has been designed for indoor use only and is not to be used in wet locations The calibrator is not to be used in hazardous areas where vapour or gas leaks etc may constitute a danger of explosion The calibrator is not designed for operation in altitudes above 2000 meters The calibrator is a CLASS product and must be connected to a mains outlet with a protective earth connection Ensure the ground connection of the calibrator is properly connected to the protective earth before switching on the calibrator Always use a mains
12. ibrator unsupervised they may constitute a fire hazard or personal injury If you intend to store the calibrator in the optional aluminium carrying case after use you must ensure that the instrument has cooled down to a temperature below 100 C 212 F before placing it in the carrying case 123199 04 Never place a hot insertion tube in the optional carrying case Use only insulation plugs supplied by AMETEK Denmark A S Do not try to modify the insulation plugs to make them fit the sensor CTC 1200 A only About the fuses 123199 04 The fuse box must not be removed from the power control switch until the mains cable has been disconnected The two main fuses must have the specified current and voltage rating and be of the specified type The use of makeshift fuses and the short circuiting of fuse holders are prohibited and may cause a hazard Caution Hot surface This symbol is engraved in the grid plate Do not touch the grid plate the well or the insertion tube when the calibrator is heating up they may be very hot and cause burns Do not touch the tip of the sensor when it is removed from the insertion tube well it may be very hot and cause burns Do not touch the handle of the calibrator during use it may be very hot and cause burns Over 50 C 122 F If the calibrator has been heated up to temperatures above 50 C 122 F you must wait until the instrument reaches a temperature below 5
13. isconnected e two fuses must have the specified current and voltage rating and be of the specified type The use of makeshift fuses and the short circuiting of fuse holders are prohibited and may cause a hazard Locate the main fuses in the fuse box in the power control switch and check the voltage of the power control switch on off switch 230V 115V If the voltage of the power control switch differs from the line voltage you must adjust the voltage of the power control switch Open the lid of the fuse box using a screwdriver 123199 04 Remove the fuse box Remove both fuses and insert two new fuses These must be identical and should correspond to the line voltage 140 115V 2AT 105014 230V 1AT 105007 e 320 650 115V 10AF 60B302 230V 60B301 e 1200 115V 6 608313 230V 3 15 60B312 If the fuses blow immediately after you have replaced them the calibrator should be returned to the manufacturer for service Slide the fuse box into place with the correct voltage turning upwards 123199 04 17 5 0 After use Warning Never leave hot insertion tubes which have been removed from the calibrator unsupervised they may constitute a fire hazard or personal injury If you intend to store the calibrator in the optional carrying case after use you must ensure that the instrument has cooled to a temperature below 100
14. ld 104216 at high temperatures 123199 04 3 2 Keyboard The keys on the keyboard activate the following functions cf fig 2 POS Description 3 3 UP ARROW button used to adjust temperature values value increases and to select menu options DOWN ARROW button used to adjust temperature values value decreases and to select menu options ENTER button used to accept chosen options ESC MENU button used to escape or to activate the menu system hold button down for min 2 seconds AUTO STEP button used to activate AUTO STEP The function is used to switch between a series of set temperatures automatically SWITCH TEST button used to activate SWITCH TEST The function automatically detects the opening closing temperatures for thermostats Display The various segments of the display are used to indicate the following cf fig 2 POS Description 9 0 1 12 Used to display Read temperature and parameters in the menu system Celsius temperature unit for top display Fahrenheit temperature unit for top display Celsius temperature unit for bottom display Fahrenheit temperature unit for bottom display Minute time unit for bottom display 123199 04 11 13 Used to display set temperature time until stable and parameter values in the menu system 14 AUTO STEP symbol used to indicate that the function is active symbol flashes repeatedly 15 SWITCH TEST inpu
15. ss gt to accept your selection Press a v to set the required Tmax temperature Press gt to accept your selection The function is activated Once the opening closing temperatures have been located the instrument will display the values as CLOSE the closing temperature UPEN the opening the difference between the opening closing temperatures If a temperature has not been found the instrument will display Error To display the three temperatures press Press to end the test or to leave the function at any time 123199 04 13 3 8 AUTO STEP The AUTO STEP function cf fig 5 is used to step automatically between a range of different set temperatures Press 77 instrument displays the number of temperature S TEPS iv 080 Press to select the required number of steps temperature will flash 4 Press accept your selection The first set Press a or to select the required temperature Press to accept your selection The next set temperature will flash This process will be repeated until the last value has been accepted The extra TIME for which you wish the calibrator to remain at every step will flash Press a or v to set the required number of minutes Press gt to accept your selection The function will be activated
16. t closed SWITCH TEST input open 16 Check mark displayed when calibrator is stable 3 4 Connections The instrument is designed for the following connections cf fig 1 POS Description 0 Connection of black test cable 1 Connection of red test cable 12 Connection of RS232 cable Note that all PC equipment which are connected to the calibrator must observe the directive IEC950 3 5 Calibrator functions overview The instrument s functions are divided into hierarchical groups See the key diagram in fig 3 3 6 Selecting the set temperature v Press or lt The current set temperature flashes the starting point is the last chosen set temperature even if the instrument has been switched off a Press a or v to select the required temperature ESC Press gt to accept the change or menu to cancel return to the previous value The calibrator will now work towards the new set temperature 12 123199 04 37 SWITCH TEST The SWITCH TEST function cf fig 4 automatically locates the opening closing temperatures of a thermostat You must enter Tmn and a Tmax temperature which define the range within which the opening closing temperatures are expected to be found Press VET flash The last chosen Trin temperature value will gt Press v to set the required Tmn temperature N lt gt Pre
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