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Isothermal Technology Limited, Pine Grove, Southport, PR9 9AG, England Tel: +44 (0)1704 543830 Fax: +44 (0)1704 544799 Internet: www.isotech.co.uk E-mail: info@isotech.co.uk The company is always willing to give technical advice and assistance where appropriate. Equally, because of the programme of continual development and improvement we reserve the right to amend or alter characteristics and design without prior notice.
SELECTING A SETPOINT ................................16 CAL NOTEPAD ....................................17 Development ....................................17 HOW TO INSTALL CAL NOTEPAD .............................. 18 Protocol ......................................18 SPECIFICATION ....................................19 COMMUNICATION ..................................20 STANDARD PARTS LIST ................................. 21 Page 2 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE RECOMMENDATION The life of your ISOTECH Instrument will be prolonged if regular maintenance and cleaning to remove general dust and debris is carried out. ISOTHERMAL TECHNOLOGY LTD.
MANAGEMENT OF APPARATUS WHICH MAY BE POWERED OR UNDER EXTREMES OF TEMPERATURE, AND ARE ABLE TO APPRECIATE THE HAZARDS WHICH MAY BE ASSOCIATED WITH, AND THE PRECAUTIONS TO BE TAKEN WITH, SUCH EQUIPMENT. Page 4 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
The protective conductor of the flexible mains cable which is coloured green/yellow MUST be connected to a suitable earth. The blue conductor should be connected to Neutral and the Brown conductor to Live (Line). Warning: Internal mains voltage hazard. Do not remove the panels. Page 5 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
Do not dismantle the apparatus without disconnecting it from the supply and leaving time for it to reach ambient temperatures. Do not use the apparatus outside its recommended temperature range Page 6 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
Ambient temperature range 0 ~ 35°C, relative humidity 30 ~ 85%RH. No corrosive/flammable gases e.g. Do not use in an explosive atmosphere. Power supply voltage is to be between the nominal voltage ±10%. Page 7 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
Cooling Technology The Isis makes use of a Free Piston Stirling Cooler (FPSC) which provides a massive 80 Watts of cooling power to the calibration block. Specialist materials, patent applied for, are used for the heat transfer from the FPSC to the block.
The cooling fan should be heard and the controller illuminated during power up. Check the function of the equipment using the quick start guide on next page (page 10). Page 9 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
ISIS control front panel Place the required insert into the temperature well and place the insulated lid in place. Connect the ISIS to a suitable power supply and power up. After power up the controller will be active. To select the desired temperature, follow the procedure below: Allow the controller to boot up ...
USING THE ISIS Controller Panel Alarm LED Status LED Block temperature display Set point temperature display Heating/Cooling enable Page 11 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
ISIS GENERAL ARRANGEMENT Control panel Mains electrical socket PC communications socket Insulated thermowell cover Carry handles Air ventilation Page 12 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
Multifunctional switch to allow: (1) Auto tuning. (2) Move the cursor during setpoint selection Down Switch Allows decreasing values to be entered Up Switch Allows increasing vlaues to be entered Page 13 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
Lowerlimit trEF +50.0 -100.0 Proportional Band Prop 50.0 Integral Gain Iteg 5000 Derivative Gain Deri 5000 Proportiona Gain Regi Temperature Offset Offs 9.99 -9.99 Gain Offset gain 5000 -5000 Page 14 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
The Alarm LED will flash if the block temperature exceeds 50°C or drops below -114°C for a period of 3 minutes. Status The Status LED will flash when the block temperature is stable within ±0.3°C of the setpoint for 3 minutes. Page 15 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
Development Cal NotePad was developed by Isothermal Technology using LabVIEW from National Instruments. The license details are shown on the download page and in the Cal Notepad manual. Page 17 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
Should you ever need to uninstall the software then use the Add/Remove Programs option from the Control Panel. Protocol The instruments use the "Modbus Protocol" If required, e.g. for writing custom software the technical details are available from our Document Library at http://www.isotech.co.uk Page 18 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
STANDARD PARTS LIST Body Power cable Metal insert block Extracting tool for insert block Lid for the calibration block User Maintenance manual/handbook Page 21 of 21 Cryo Calibrator model ISIS Iss.03 – 08/13...
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