Ametek Jofra ITC Series User Manual(PDF
Contents
1. Press _ to accept the change or to cancel and return to the previous value The calibrator will now work towards the new set temperature 123311 01 9 37 SWITCH TEST The SWITCH TEST function cf Fig 4 automatically locates the opening closing temperatures of a thermostat You must enter a Tmn and a Tmax temperature which define the range within which the opening closing temperatures are expected to be found Press The last chosen Tmn temperature value will flash aa Press 48 or to set the required Tmn temperature Press to accept your selection aa Press 48 to set the required Tmax temperature Press to accept your selection The function is activated Once the opening closing temperatures have been located the instrument will display the values as SE the closing temperature the opening 22 and HYSTE the difference between opening closing temperatures 1 If a temperature has not been found the instrument will display AN To display the three temperatures press A or v ESC 5 to end the test or to leave the function at any time 10 123311 01 38 AUTO STEP The AUTO STEP function cf Fig 5 is used to step automatically between a range of different set temperatures AUTO Press 2 The instrument displays the number of set tempera2. Before use Warning The calibrator must not be used for any purposes other than those described in this manual The calibrator has been designed for interior use only and should not be used in hazardous areas where vapour or gas leaks etc may constitute a danger of explosion The connections used to test thermostats fig 1 pos 8 and 9 must NEVER be connected to a voltage source Thermostats must not be connected to any other voltage source during a test NEVER use heat transfer fluids such as silicone oil paste etc These fluids may penetrate the calibrator and cause damage or create poisonous fumes The calibrator must be kept clear within an area of 20 cm on all sides and 1 metre above the calibrator 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 Do not touch the handle of the calibrator during use it may be very hot 123311 01 Follow the instructions below before using the calibrator cf Fig 1 1 123311 Place the calibrator on an even horizontal surface away from all draughts Caution Do not use the instrument if the ventilator is out of order Ensure a free supply of air to the ventilator located at the bottom of the instrument pos 7 Check that the voltage shown on the power control switch pos 5 is identical to the mains voltage P
3. damage to the instrument all safety instructions and warnings must be observed 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 gt The calibrator has been designed for interior use only and should not be used in hazardous areas where vapour or gas leaks etc may constitute a danger of explosion e The calibrator must be kept free within an area of 20 cm on all sides and 1 metre above the calibrator e Never use heat transfer fluids such as silicone oil paste etc These fluids may penetrate the calibrator and cause damage or create poisonous fumes About the front panel e The connections used to test thermostats must NEVER be connected to a voltage source e Thermostats must not be connected to any other voltage source during a test 123311 01 3 About the insertion tubes and sensor Never leave hot insertion tubes which have been removed from the calibrator unsupervised they may constitute a fire hazard If you intend to store the calibrator in the optional 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 About the fuses Th
4. User manual Temperature Calibrator JOFRA ITC 155 320 650 A Copyright 2005 AMETEK DENMARK A S 123311 UK 2 2 E b p 19 09 2005 FIG 1 Ri 19 09 2005 19 09 2005 3 Is SWITCH TEST E STEP ESC MENU SET TEMP Une 210 SWITCH TEST lt AUTO STEP A MENU SETUP D 19 09 2005 4 SWITCH TEST SWITCH qe 58 4 ae d EE gt CLUSE 19 09 2005 5 19 09 2005 FIG 6 5 2 sek CC ESG 5 d CES 4 5 ES 97 SE 887 eS i E od RS 06 12 BDE 5068 19 09 2005 List of contents 1 0 Introd CliOn neret 2 1 1 List of equipment received 2 2 0 Safety instructions pp 3 3 0 Operating the calibrator 1 6 3 1 Before USE em i
5. arious segments of the display are used to indicate the following cf Fig 2 POS Description Ce 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 123311 01 Used to display set temperature time until stable parameter values in the menu system AUTO STEP symbol used to indicate that the function is active symbol flashes repeatedly SWITCH TEST input closed SWITCH TEST input open 6 Check mark displayed when the calibrator is stable oO 3 4 Connections The instrument is designed for the following connections cf Fig 1 Description POS Connection of black test cable 9 Connection of red test cable 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 aa Press or The current set temperature flashes the starting point is the last chosen set temperature even if the instrument has been switched off CAS Press A to select the required temperature
6. e correct voltage turning upwards 123311 01 5 0 After use Warning Never leave hot insertion tubes which have been removed from the calibrator unsupervised they may constitute a fire hazard 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 C 212 F before placing it in the carrying case Caution e The insertion tube must always be removed from the calibrator after use The humidity in the air may cause verdigris to form on the insertion tube inside the instrument There is a risk that the insertion tube may become stuck if this is allowed to happen Caution Hot surface Do touch the grid plate the well or the insertion tube they may be very hot Do touch the tip of the sensor when it is removed from the insertion tube well it may be very hot 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 100 C 212 F you must wait until the instrument reaches temperature below 100 C 212 F before you switch it off 2 If the calibrator has reached a temperature below 0 C 32 F it should be heated momentarily to a temperature of 50 C 122 F 3 Switch off the calibrator using the power control switch pos 5 123311 01 15 5 16 Remove the ins
7. e fuse box must not be removed from the power control switch until the mains cable has been disconnected The two main fuses must be identical and correspond to the chosen voltage 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 Do not touch the tip of the sensor when it is removed from the insertion tube well it may be very hot Do not touch the handle of the calibrator during use it may be very hot 123311 01 Caution About the use Do not use the instrument if the ventilator is out of order About the well insertion tube and grid plate e The well and the insertion tube must be clean before use insertion tube must never be forced into the well The well could be damaged as a result and the insertion tube may get stuck insertion tube must always be removed from the calibrator after use The humidity in the air may cause verdigris on the insertion tube inside the instrument There is a risk that the insertion tube may be stuck if this is allowed to happen e 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 123311 01 3 0 3 1 Operating calibrator
8. ertion tube from the calibrator using the tool supplied with the instrument Optional Store the calibrator in the carrying case 123311 01
9. imal 5 to select the SETUP parameter you wish to change The current value will flash am cg Press A or v to select the required value P ESC 5 to accept your selection to cancel and return to the previous value Once you have changed all SETUP parameters required cancel the function by pressing twice 12 123311 01 4 0 Setting the main voltage and replacing the fuses Warning e The fuse box must not be removed from the power control switch until the mains cable has been disconnected e The two main fuses must be identical and correspond to the chosen voltage 9 123311 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 Remove the fuse box Remove both fuses and insert two new fuses These must be identical and should correspond to the line voltage e 155 115V 2AT 105014 230V 1AT 105007 01 13 14 ITC 320 650 115V 60 302 230V 60B301 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 th
10. lug in the cable below the power control switch pos 6 and check that the earth connection is present Select an insertion tube pos 2 with a well diameter that matches the sensor pos 1 to be calibrated Insert the insertion tube in the well of the calibrator 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 Place the sensor pos 1 in the insertion tube pos 2 as shown in Fig 1 In order to spare the sensor and its connections it is recommended to use a heat protection shield 104216 at high temperatures 01 7 3 2 Keyboard The keys on the keyboard activate the following functions cf Fig 2 POS Description 600 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 v
11. ture STEPS A cg Press 48 or 7 to select the required number of steps _ Press L to accept your selection The first set temperature will flash a Press or 7 to select the required temperature gt 5 to accept your selection The next set temperature will flash This process will be repeated until the last value has been accepted The extra for which you wish the calibrator to remain at every step will flash aa Press 48 or 7 to set the required number of minutes 5 cq Press lt lt to accept your selection The function will be activated gt 5 after the last set temperature to end the function ESC or wew leave the function at any time 123311 01 11 30 MENU function cf Fig 6 is used to modify the SETUP parameters 5 e F Hold down ve for approx 2 seconds The word 5E will appear on the display Press The first SETUP parameter will be displayed oW to toggle between the SETUP parameters ik Temperature unit C or F highest permissible temperature for the calibrator OL Temperature change per minute used in connection with SWITCH TEST D TH IL Add Extra time which must elapse once the well is stable before the check mark symbol is displayed RE SUL Temperature resolution of or 1 dec
12. vigeat 6 3 2 es 8 8 2 4 Connections oer eh dece epe iv dedu 9 3 5 Calibrator functions overview 1 9 3 6 Selecting the set temperature 9 SE OMG TES epe rede desta dec oe 10 38 AUTO STEP cete iere a erp ou RAE FE RR ERR ee 11 M 12 4 0 Setting the main voltage and replacing the fuses 13 3 D oio eei Ee 15 123311 01 1 1 0 Introduction ITC 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 4 List of equipment received When 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 RS232 serial cable 1 CD ROM containing software package JOFRACAL The adjustment software AmeTrim is not applicable to the ITC calibrators 2 123311 01 2 0 Safety instructions Read this manual carefully before using the instrument In order to avoid any personal injuries and or
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