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CALsys 250 

2 | 

P a g e

Contents 

Safety Information ....................................................................................................................... 4

 

3. Introduction…………………………………………………………………………………. 8

 3.1 Basic working of CALsys 250...…………………………………………………………..  9 
 3.2 Dimension………………………………………………………………………………   10 
 3.3 Wiring Diagram……………………………………………………………………… 

 11 

4. Technical Specification: ...................................................................................................... 122 

5. Installation….…………………………………….………………………………………    13

 5.1 Environmental Condition………………………………………………………………..   13 

6. Unpacking & Initial Inspection………………………………………………………… 

 14 

 6.1 Installation……………………………………………………………………………. 

 15 

7. Operating Instruction ............................................................................................................. 16 

7.2 Heating up the source .......................................................................................................... 16 

7.3 Operating Instruction ........................................................................................................... 17 

8. Operation Of controller .......................................................................................................... 19 

8.1 The Temperature Controller ................................................................................................ 19 

8.2 Altering the Set point ........................................................................................................... 19 

8.3 Monitoring the Controller Status ......................................................................................... 20 

8.4 Units..................................................................................................................................... 20 

8.5 Setting the Input Type ......................................................................................................... 20 

10.6 Auto Tune .......................................................................................................................... 21 

8.7 Offset: .................................................................................................................................. 22 

11. Initial Testing: ...................................................................................................................... 30 

12. Maintenance & Trouble shooting ........................................................................................ 31 

12.1 Routine service .................................................................................................................. 31 

12.2 Replace the Controlling Sensor ......................................................................................... 31 

12.3 Replace Solid state relay.................................................................................................... 31 

13. Troubleshooting ................................................................................................................... 34 

Recommendation ....................................................................................................................... 36 

Содержание CALsys 250

Страница 1: ...CALsys 250 1 P a g e Liquid Temperature Calibrator CALsys 250 USER MANUAL ...

Страница 2: ...rating Instruction 16 7 2 Heating up the source 16 7 3 Operating Instruction 17 8 Operation Of controller 19 8 1 The Temperature Controller 19 8 2 Altering the Set point 19 8 3 Monitoring the Controller Status 20 8 4 Units 20 8 5 Setting the Input Type 20 10 6 Auto Tune 21 8 7 Offset 22 11 Initial Testing 30 12 Maintenance Trouble shooting 31 12 1 Routine service 31 12 2 Replace the Controlling Se...

Страница 3: ...ficient CALsys 250 Please familiarize yourself with the information contained in the safety precautions sections before using this product This user manual contains information about the product and its proper use and should be kept in a place where it will be easy to access ...

Страница 4: ...ng definitions apply to the terms Warning and Caution Warning identifies conditions and actions that may pose hazards to the user Caution identifies conditions and actions that may damage the Instrument being used ELECTRICAL SAFETY To avoid possible electric shock or personal injury follow these guidelines This equipment must be correctly earthed A protective earth is used to ensure the conductive...

Страница 5: ... could put voltage on the chassis that could cause death Do not put the Product where access to the mains power cord is blocked Do not use an extension cord or adapter plug Do not use the Product if it operates incorrectly Make sure the power cord does not touch with hot parts of the Product HEALTH AND SAFETY INSTRUCTIONS Wear appropriate protective clothing Operators of this equipment should be a...

Страница 6: ...mperatures can cause the ignition of flammable materials BURN HAZARD DO NOT touch the well access surface of the unit DO NOT turn off the unit at temperatures higher than 100 C This could create a hazardous situation Select a set point less than 100 C and allow the unit to cool before turning it off Materials used in this furnace may be irritating to skin eyes and respiratory tract Consult the mat...

Страница 7: ...letely unattended high temperature operation is not recommended for safety reasons DO NOT plug the unit into 230 V if the heater switches and fuse holder read115 V This action will cause the fuses to blow and may damage the instrument Components and heater lifetime can be shortened by continuous high temperature operation DO NOT use fluids to clean out the well Never introduce foreign material int...

Страница 8: ...e temperature of the calibrator For traceable calibration a master calibration sensor should be placed into the metal block alongside the unit under calibration The method is widely accepted because the calibrator provides very stable temperature nearing to its controlled point the Master Thermocouple RTD which is calibrated by independent Laboratory traceable to National standards compares the se...

Страница 9: ...ater via solid state relay There is one electricity driven fan which is situated under the heating chamber for cooling the heater The CALsys 250 Liquid calibrator was designed for portability moderate cost and ease of operation With proper use the instrument should provide continued accurate calibration of temperature sensors and devices The user should be familiar with the safety guidelines and o...

Страница 10: ...CALsys 250 10 P a g e 3 2 Dimension ...

Страница 11: ...CALsys 250 11 P a g e 3 3 Wiring Diagram ...

Страница 12: ...at 250 C Uniformity 0 02 C at 50 C 0 04 C at 150 C 0 08 C at 250 C Controlling sensor Precision PRT PT 100 Time to reach max Temperature 30 minutes Operating Temperature 20 to 45 C Method of controlling Digital self tuned PID controller Heaters Cartridge Heaters Computer Interface RS 232 Dimensions 360 H x 185 W x 285 D mm Insert Construction 15mm x 6 Holes of 140 mm Insert depth Weight Approximat...

Страница 13: ... user s guide 5 1 Environmental Conditions Although the instrument has been designed for optimum durability and trouble free operation it must be handled with care The instrument should not be operated in an excessively dusty or dirty environment Maintenance and cleaning recommendations can be found in the Maintenance Section of this manual The instrument operates safely under the following condit...

Страница 14: ...ect it for any sign of damage and confirm that your delivery is in accordance with the packing note Unpack the Furnace carefully and inspect If you find any damage or any item is missing notify us or our agent After unpacking you will find the following accessories CALsys 250 1 No Power cord 1 No RS 232 Cable and Software CD Manual Certificates Ceramic Wool Silicon Oil 1 Liter ...

Страница 15: ...y on the controller It shows that the bath is ready for use 5 Keep the switch in the ON position 6 Ensure the metal INSERT is properly inserted in the bath 7 Let the fan to be in ON position 8 If fan is running and temperature of the furnace is rising the bath is in healthy condition Note 1 Please ensure that your unit is correctly connected to the electricity supply 2 The apparatus must be correc...

Страница 16: ... black body will turn on and begin to heat the previously programmed temperature set point 7 2 Heating up the source Press UP or DOWN key of controller to change the set point value When the set point temperature is changed the controller will switch the calibrator heater on or off to raise or lower the temperature The displayed temperature will gradually change until it reaches the set point temp...

Страница 17: ...y to the heater and stirrer 3 As soon as the power is ON you shall observe display on the controller 4 Place the UUC unit under calibration Master sensor into Insert 5 Set the controller to the required Temperature 6 If test master sensor is Thermocouple then always use compensating cable for each type like J K T E N R S B for interconnection between sensor and DMM 7 Keep reference junction at 0 D...

Страница 18: ...ot immersed at same depth than there will be an error in temperature reading 6 Always use a metal block calibrator Metal block calibrator insert heat transfer characteristics should match those of the normal measuring situations 7 The temperature sensors should be long enough so that immersed a calibration bath errors due to stem conduction can be ignored 8 Do not change the set value again and ag...

Страница 19: ...the upper display indicates the measured temperature and the lower display indicates the desired temperature or set point 8 2 Altering the Set point To change the set point of the controller simply use the UP and DOWN keys to raise and lower the set point to the required value The lower display changes to indicate the new set point ...

Страница 20: ...l ask for CODE To enter the code for CONF level use key By default the CODE for CONF is 4 d Then the display will show INPUT e Then press scroll key only once f The 1st term controller will display is IN TYP Here one can enter the type of sensor we are using in respective Furnace like RTD Thermocouple R S N K etc To enter the Input type use or key g Press PAGE and scroll key together to return to ...

Страница 21: ... furnace has to be test then auto tune is required This is done to set the value of P I D according to heater being used in this furnace b If furnace is not stabilizing at any point than also auto tune is required 8 6 2 Steps for auto tune a 1st set the Set value i e SV wherever Auto tune is needed or has to be done b Press PAGE key until it shows LEVEL 2 Press SCROLL key to enter Level 2 Wait for...

Страница 22: ... key select CODE 3 by pressing enter key 3 Press the first key from left several times until CAL appears on the screen 4 Press enter key 5 Controller displays IDLE U CAL 6 Press up arrow key controller displays LO U CAL 7 Press Enter key 8 At this point set the desired offset at the lower limit of the furnace with the help of Up or down arrow key Wait for a while until the value entered blinks Thi...

Страница 23: ... to allow serial data exchange RS 232 communications uses the Modbus protocol Rs 232 communications is not available if Remote Set point is fitted Cable screen should be grounded at one point only to prevent earth loops Digital Communications or comms for short allows the controller to communicate with a PC or a networked computer system ...

Страница 24: ... to as COM 1 To construct a cable for EIA232 operation use a three core screened cable The terminals used for EIA232 digital communications are listed in the table below Some PC s use a 25 way connector although the 9 way is more common These are the functions normally assigned to socket pins Please check your PC manual to confirm ...

Страница 25: ...CALsys 250 25 P a g e 9 2 Digital Communications Parameters The following table shows the parameters available ...

Страница 26: ...d by setting the RETRN parameter to W SP PV OP or Err Once the function has been enabled the instrument will send this value out over the communications link every Control cycle 250ms Wiring Connections The Digital Communications module for use as a master or slave is fitted in Comms Module slot H and uses terminals HA to HF Rx connections in the master are wired to Tx connections of the slave Tx ...

Страница 27: ...ct furnace temperature bath and change set point maximum time span view real time graph and evaluate measuring data 10 1Installation Install the calibration software using the installation guide file on CD ROM After installation of the software Double click the application It will open the screen of software ...

Страница 28: ...n be done by clicking on connect and select correct COM port address fig 1 where furnace is connected Also user has to select type of controller version3216 fig 2 Then click on CONNECT button Shown com2 connected successfully 10 2 2 Scale Trend in scale trend you have to change the Y Axis Min value 0 and Y Axis Max value 250 MaximumTime Span Minutes have to save data the data logging up to 120 min...

Страница 29: ...CALsys 250 29 P a g e PVI Value Read the current PV value present value of furnace temperature File will be stored in xls format to save previous record open the file by clicking on menu file open ...

Страница 30: ...e controller display will show the temperature of the chamber and the last set point value The fan on the bottom should be heard running Step 2 Change the set point to 50 C and observe that the block temperature rises and settles to this value Your unit should have performed as described above and can now be used for calibration If any problems or faults arise during these tests please contact us ...

Страница 31: ...ing Sensor Replacement of the controlling RTD Sensor is carried out as follows 1 Make sure that the Calibrator Unit is not connected to the mains supply 2 Remove the cover of the Calibrator 3 Disconnect the RTD from the connector block and from Controller 4 Remove the RTD from the heating chamber present inside by unscrewing the Screw fitted in the fitting 5 Fit the new RTD 6 Reconnect the new RTD...

Страница 32: ...e Ease of operation and simplicity of maintenance have been a central theme in the product development Therefore with proper care the instrument should require very little maintenance Avoid operating the instrument in an oily wet dirty or dusty environment If the outside of the instrument becomes soiled it may be wiped clean with a damp cloth and mild detergent Do not use harsh chemicals on the su...

Страница 33: ...l with respect to the material If the mains supply cord becomes damaged replace it with a cord with the appropriate gauge wire for the current of the instrument If there are any questions call an Authorized Service Center for more information Before using any cleaning or decontamination method except those recommended by Hart users should check with an Authorized Service Center to be sure that the...

Страница 34: ...sult us 3 If the temperature of the calibrator is not rising ensure the followings a The power cord should be not loose at power entry b The switch should be in ON position 4 If the temperature of the calibrator is not rising even after checking the above a The heating element may be open b The RTD may be open c The Controller may be not giving output d The SSR may be damaged ...

Страница 35: ...IS GUARANTEE INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE Limit of Liability TEMPSENS not liable for any damages that arise from the use of any examples or processes mentioned in these Specifications are subject to change without notice CAUTIONARY NOTE TEMPSENS PRODUCTS ARE INTENDED FOR USE BY TECHNICALLY TRAINED AND COMPETENT PERSONNEL FAMILIAR W...

Страница 36: ...90 Road No 5 M I A Udaipur 313003 India Tel 91 294 3052959 3057724 Fax 91 294 3052950 3057750 Web tempsens com E mail tech tempsens com The company is always willing to give technical advice and assistance where appropriate Equally because of the program of continual development and improvement we reserve the right to amend or alter characteristics and design without prior notice This publication ...

Страница 37: ...CALsys 250 37 P a g e NOTE ...

Страница 38: ...CALsys 250 38 P a g e ...

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