TL - cryogenic oven USER MANUAL
Contents
1. a SIGNAL TEST THRESH INPUT TPUT k uae TL2000 o MA N THERMOLUMINESCENCE D PN CONTROL UNIT PREAMP Serial Number TC IN By IPSES ol Jo d e 230 Vac POWER OUT IEEE 488 a O O CAUTION DO NOT SHORT TERMINALS To connect the crimp terminals unscrew the two hexagon nuts on the two connectors placed on the rear of the thermoregulation unit insert the crimp terminals then screw the two hesagon nuts The position of the cables black and red is not mandatory they can be connected either on the right and on the left 13 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 A http www ipses com e mail info ipses com 3M 1 5 j ESI i ierbfic Hechorics Oi bra K b Oo TL cryogenic oven USER MANUAL DIP SES Then connect the thermocouple plug to the relevant wire equipped with a female connector as shown in the following pictures Connect the plus pole and the minus pole to the relevant side plus and minus are marked on the plugs in any case the plug can be inserted in the female connector only in the correct side The thermocouple coming out the oven has been thermally insulated to reduce the heat transmission due to environment temperature inside the oven IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 gt http www ipses com e mail in2. Po l ls f O TL cryogenic oven USER MANUAL gt P 3 E 3 independently amplified the gain values can be adjusted by the user The accuracy of the heating profile can be minimized by adjusting the gains of the PID control loop Different installation conditions length of the oven cables operating pressure dimension and type of the sample can require an adjustment of the default gain settings The measure of the intensity of the light emitted by the sample during the heating glow curve is achieved by photon counting a proper PM tube suitable for this operating mode low dark current high focusing must be used Optionally the PM tube can be purchased as part of the TL2000 control system The overall quality of the measurements performed by the system is affected by the correct choice of the PM tube PAY ATTENTION the cryogenic oven is conceived to perform photon counting measure starting from a cryogenic temperature If the cryogenic oven is used without liquid nitrogen inside to perform classical TL measure for example starting from 50 C up to 500 C the linearity of the heating ramp cannot be reached due to mechanical design of the thermal bar To perform classical TL it is recommend to use the TL2000 vacuum oven 6 PARAMETER SETUP Working parameters of the unit gains of PID parameters for the interface maximum temperature reachable maximum during time of the heating cycle can be set by the user pressing t
3. 39 02 39449519 Fax 39 02 700403170 I gt 1c UE echoed B pet ipses com e mail info ipses com 1O 1 5 j N scientie electronics I P LOS om es 1 DESCRIPTION The TL cryogenic oven is conceived and built to perform thermoluminescence analyses using photon detection unit and thermoregulation unit of IPSES TL2000 laboratory The cryogenic vacuum oven is designed to cold and heat the samples during the thermoluminescence analyses in a controlled atmosphere Cooling is achieved through liquid nitrogen a copper tank is inserted inside the oven and it is filled with liquid nitrogen Two thermal elements allow to make cold a thermal bar that supports the sample during the measurement The thermal insulation of the copper tank filled with liquid nitrogen is achieved through vacuum The thermal bar on which the sample is placed is inside a camera in the oven where the atmosphere is controlled by using a vacuum root pump to remove the air and replace it with pure gaseous nitrogen from a supply line To achieved the cryogenic temperature the oven must be connected to liquid nitrogen under pressure cylinder a temperature on the sample of about 140 C will be reached in about 30 minutes starting form environmental temperature and with an empty copper tank Once the cryogenic temperature is reached the first time and the copper tank for liquid nitrogen is full even after an heating cycle on the sample at 300 C the temperature of
4. www ipses com e mail info ipses com I a gt IPSES iclenbfic eleclronici A La electronics DD P LOS vomema cun 3 CONNECTION OF CRYOGENIC OVEN WITH TL2000 THERMOREGULATION AND PHOTON DETECTION UNIT The cryogenic oven is conceived to be compatible and used with thermoregulation unit of IPSES TL2000 laboratory and photon detection unit TL 2000 THERMOREGULATION UNIT To connect the cryogenic with thermoregulation unit proceed as follow On the base of the cryogenic oven two cables red and black are placed as shown in the following picture Cables toward thermoregulation unit IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 scientific electronics n pae ipses com e mail info ipses com 1 03 I 4 A 2 T Po f i ls O TL cryogenic oven USER MANUAL gt IP SES The two cables have at the end two crimp terminals how highlighted in the following picture sal Connect the two crimp terminals on the rear of the Thermoregulation unit in the area labeled as power out highlighted in the following two pictures
5. 140 C for a new analysis is reached in few minutes To reach a lower temperature on the sample area the oven can be connected to liquid helium because the oven can work till 270 C In this case a temperature of about 200 C in the sample area can be reached The thermal bar allows also to heat the sample up to 500 C 2 To use the oven with liquid helium for the inlet and the outlet a proper pipe not provided with the system must be used The pipes provided with the system are suitable only for the use with liquid nitrogen Y IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY l NA at l P S ES Tel 39 02 39449519 Fax 39 02 700403170 http www ipses com e mail info ipses com 3M 1 5 j ESI QC nERC elechonici Il iu b O i TL cryogenic oven USER MANUAL DIP SE S 2 CRYOGENIC VACUUM OVERVIEW The following images show the vacuum oven parts The cryogenic oven has been conceived for been fully compatible with the photon counting unit of the vacuum oven of TL2000 thermoluminescence laboratory so it is possible to use the same photon counting unit with both ovens simply positioning it on the relevant o ring Thermal bar with Toward sample holder gaseous nitrogen cylinder Feedtrough for thermocouple holder Support for switch interlock Inner pressure indicator O ring Toward vacuum pump JE Copper tank for liquie nitrogen IPSES S r l Via Suor Lazzarotto 10 20020
6. MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 T iclenbfic elechonicti http www ipses com e mail info ipses com 3M 1 5 j ESI ww ff Sj l Keep the vacuum pump on during all the analysis process Once the pressure is near 1 bar gently open the speedy valve toward gaseous nitrogen by this way the nitrogen will filled the camera and the inert atmosphere is correctly reached Then close the nitrogen speedy valve completely otherwise the flow of gaseous nitrogen will heat the temperature inside the chamber Remember to keep both the valves toward the vacuum pump completely open so to have an inner pressure of about 1 bar At this point you can gently open the liquid nitrogen valve and leave the nitrogen going inside the cryogenic oven At the beginning from the outlet yellow pipe only gaseous nitrogen will come out Once the copper tank is fulfilled also from the yellow pipe together with the gaseous nitrogen the liquid one will come out c NN PAY ATTENTION nitrogen has a very low temperature and all the objects coming in contact with it can keep a temperature that can burn skin Due to low temperature around the area on which there is a passage of liquid nitrogen the environmental humidity will frost This is normal and do not affect the working of the system because inside the oven there is vacuum so nothing can frost A high presence of environmental humidity upper 60 Rh anyw
7. the installation and the use of this device For any information which is not contained in this guide please contact IPSES S r I Via Suor Lazzarotto 10 20020 Cesate Ml Italy Tel 39 02 39449519 39 02 320629547 Fax 39 02 700403170 http www ipses com e mail support ipses com 4 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY AM Tel 39 02 39449519 Fax 39 02 700403170 LA PS ES http www ipses com e mail info ipses com 1 03 I 4 scientie electronics Iv LSB LOS sts TABLE OF CONTENTS 43 Re ee 6 MB de dee e MT 7 AC GENN VAC VUN ie area ESA R 8 3 CONNECTION OF CRYOGENIC OVEN WITH TL2000 THERMOREGULATION AND PHOTON DETECTION UNIT 12 A CONNEC HON AND INSTALLATION OF THE SYS TEM ana 20 Flea 26 OE ries zIHU Nm 27 rea aurae ie THE PTO CONTROL LOOP ibra 27 Elea 28 SERIE 28 ss pic c 29 vis dus UMS ride eil E RE E 30 gae tair e s E E A M 30 RE N E PEOPLE E E OM reni 31 i 5 relatat E Lospnilic elechonici http www ipses com e mail info ipses com 1 03 I 4 cientilic electronics o MI lt ls f O TL cryogenic oven USER MANUAL d 15 P SE S REVISION HISTORY Manual revision history mum uem mo Date May 2012 01 00 0001 Update document layout Bottaccioli M June 2015 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY Vani SIPS ES Tel
8. 3170 Ls http www ipses com e mail info ipses com kf e ij aj icerige tis Ccir rw i CI l K ls Oo TL cryogenic oven USER MANUAL DIP SE S At this point the pre amplifier Barpa can be mounted on the photon detection unit Insert the Barpa male connector on the female connector of the photomultiplier housing labeled with SIG E Then connect the two cables of Barpa with the TL2000 thermoregulation unit on the two connectors labeled SIGNAL INPUT and PREAMP POWER SIGNAL INPUT PREAMP POWER o Jo THRESHOLD O TL THERMOLUMINESCENCE CONTROL UNIT Serial Number By IPSES POWER OUT IEEE 488 O CAUTION DO NOT SHORT TERMINALS O Detail of Barpa cables connected to the thermoregulation unit It is possible to insert the connectors only in the right position IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 wa gt ni ui ipses com e mail info ipses com 3M 1 5 j ESI QC nERC elechtonici TL cryogenic oven USER MANUAL AD IPS
9. Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 m pee ipses com e mail info ipses com scientlic electronics 19 il i j ESI taw oj j f b Os TL cryogenic oven USER MANUAL gt IP SES Filter toward photon detection unit Inner pressure indicator Toward vacuum pump Toward gaseous nitrogen cylinder Inlet for liquid nitrogen Outlet for liquid nitrogen IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 439 02 700403170 http www ipses com e mail info ipses com BEEN scientie electronics o oii ji ls f O TL cryogenic oven USER MANUAL kI P S ES O ring for the positioning Inner pressure indicator of photon counting unit Connector vacuum pump Connector to gaseous nitrogen supply line Thermocouple connector IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 439 02 39449519 Fax 439 02 700403170 http www ipses com e mail info ipses com 49 1 5 j ESI l AN TL cryogenic oven USER MANUAL lt I gt PS ES scientie electronics Support for switch interlock of the Thermal bar with sample photon detection unit holder Holes for copper PUIG Sample holder Socket for the thermocouple Thermal bar Bottom view Top view IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY Tel 39 02 39449519 Fax 39 02 700403170 http
10. KJDIPSES scientific electronics TL cryogenic oven USER MANUAL Rel 01 00 0001 Hardware code TL CRY CONCEIVING PLANNING DEVELOPMENT IN SCIENTIFIC ELECTRONICS TL cryogenic oven USER MANUAL AJ zcientilic electronics Information provided in this manual is property of IPSES S r l and must be considered and treated as confidential This publication can only be reproduced transmitted transcribed or translated into any human or computer language with the written consent of IPSES S r l Information in this documentation has been carefully checked and is believed to be accurate as of the date of publication however no responsibility is assumed of inaccuracies IPSES will not be liable for any consequential or incidental damages arising from reliance on the accuracy of this documentation Information contained in this manual is subject to change without notice and does not represent a commitment on the part of IPSES The design of this instrument is subject to continue development and improvement Consequently the equipment associated to this document may incorporate minor changes in detail from the information hereafter provided All brand or product names are trademarks or registered trademarks of their respective holders This manual in English is the original version Printed in Italy Copyright 2009 2015IPSES S r l All rights reserved IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI I
11. TALY An Ps ES Tel 39 02 39449519 Fax 39 02 700403170 LA B pet ipses com e mail info ipses com 1O 1 5 j N i eraic eechorecs scientific electronics v l he P LOS aens O IPSES GUARANTEE IPSES warrants to the end user in accordance with the following provisions that its branded hardware products purchased bv the end user from IPSES companv or an authorized IPSES distributor will be free from defects in materials workmanship and design affecting normal use for a period of one vear as of the original purchase date Products for which proper claims are made will at IPSES s option be repaired or replaced at IPSES s expense Exclusions This Guarantee does not applv to defects resulting from improper or inadequate installation use or maintenance actions or modifications bv unauthorized third parties or the end user accidental or wilful damage or normal wear and tear Making a claim Claims must be made by contacting IPSES office within the guarantee period Please contact IPSES S r l Via Suor Lazzarotto 10 20020 Cesate Ml Italy Tel 39 02 39449519 39 02 320629547 Fax 39 02 700403170 http www ipses com e mail support ipses com Limitation and Statutory Rights IPSES makes no other warranty guarantee or like statement other than as explicitly stated above and this Guarantee is given in place of all other guarantees whatsoever to the fullest extent permitted by law In the absence of app
12. ay is not recommended Once the system is operative and cooled to insert the sample in the thermal bar act as follow 1 Close the liquid nitrogen valve 2 Close the speedy valve toward the vacuum pump only in the upper part of the oven keeping open the lower one by this way the vacuum will be kept around the copper tank filled with liquid nitrogen 3 Open the speedy valve of the gaseous nitrogen till have not the vacuum inside At his point the photon unit with its flange can be taken off 25 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY i PS ES Tel 39 02 39449519 Fax 39 02 700403170 ml 2 i http www ipses com e mail info ipses com 1O 1 5 j N i ipribfi ec horus taw Co Po f ls f O TL cryogenic oven USER MANUAL DIP SE 3 Close only this speedy valve during the process to insert a sample inside the oven 4 Close completely the speedy valve of the gaseous nitrogen 5 Putthe sample on the thermal bar This operation must be performed as faster as possible to avoid a too high warming of the camera by the environmental temperature 6 Close the camera with the photon counting unit gently open the upper speedy valve toward vacuum pump till to reach an inner pressure of about 1 bar This operation must be performed slowly to avoid that some of the air present in the upper camera will pass into the lower camera 7 Gently open just a little bit the speedy valve toward ga
13. fo ipses com scieniic electronics 49 1 5 j ESI v fff Is Os Then plug the other side of the wire connected to the thermocouple on the TL2000 thermoregulation unit as shown in the following pictures The wire ends with two separate connectors a round BNC connector that must to be plug on TEST OUTPUT and a male TC connector that must to be plug on TC IN For both connectors they can be inserted only in the correct position SIGNAL THRESHOLD INP O PREAMP POWER TL2000 THERMOLUMINESCENCE CONTROL UNIT Serial Number By IPSES 230 Vac POWER OUT O O CAUTION DO NOT SHORT TERMINALS Round BNC connector Male TC connector 15 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 ae i ierific Hechorics http www ipses com e mail info ipses com 9 1 j N Uu O l Po b b f TL cryogenic oven USER MANUAL DIP SES Due to the fact that a cryogenic temperature the signal coming from the thermocouple is low and can be effected by noise the cable has been shielded O
14. gency Minor bug High Change request Medium Technical problem Low Problem Description Reproduction of Problem IPSES s r l Action notes 31 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY FE PS ES Tel 39 02 39449519 Fax 39 02 700403170 LA http www ipses com e mail info ipses com ierte electronics 3M 1 5 j ESI lentifie electronics he l e b SO Sicani gt IPSES Product code TL CRY Rel 01 00 0001 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY Tel 39 02 39449519 39 02 320629547 Fax 39 02 700403170 e mail info ipses com support ipses com IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY Vani Tel 39 02 39449519 Fax 39 02 700403170 LU IPSES ni ui ipses com e mail info ipses com 10 1 EI j N
15. he SETUP key on the front panel of the TL unit see the relevant user manual Since the thermal impedance on the cryogenic oven is lower than the one of the TL2000 vacuum oven PID parameters have to be set differently To set the parameters see the relevant paragraph parameter setup on the TL2000 user manual that can be downloaded from IPSES website at the following address http www ipses com PDF IPSES TL user 20manual en pdf 7 OPTIMIZATION OF THE P I D CONTROL LOOP The adjustment of the P I D gains for the three components Proportional Integral and Differential allows optimizing the behavior of the unit so to have a minimum error between the theoretical and the real heating profile If the heating system strip cables working atmosphere changes or if user is analyzing samples which have a very different thermal capacity the gain values need to be adjusted We suggest to follow the procedure listed below gt Setto 1 the and D components then increase the gain of the P component until the heating is effective up to the end temperature of the desired ramp Increase the D gain to minimize the fluctuations and ringing of the temperature Increase the gain to minimize the temperature error Repeat the adjustments a few times until the results are satisfactory VV ON Note an l gain set too high can cause fluctuations of the temperature which have a progressive increase of excursion and period minutes a high D gain can cause instabi
16. licable legislation this Guarantee will be the end user s sole and exclusive remedy against IPSES General Provisions IPSES makes no express warranties or conditions beyond those stated in this warranty statement IPSES disclaims all other warranties and conditions express or implied including without limitation implied warranties and conditions of merchantability and fitness for a particular purpose IPSES s responsibility for malfunctions and defects in hardware is limited to repair and replacement as set forth in this warranty statement IPSES does not accept liability beyond the remedies set forth in this warranty statement or liability for incidental or consequential damages including without limitation any liability for products not being available for use or for lost data or software 1 With the exclusion of shipping costs for and from IPSES s development office IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY IPS ES Tel 39 02 39449519 Fax 39 02 700403170 x we B pet ipses com e mail info ipses com 090 1 5 j N iC nEEC elech zcientilic electronics Iv LSP LOS oneri sts WARNING ELECTRICAL DEVICES COULD DAMAGE EQUIPMENT OR PROPERTY OR CAUSE PERSONAL INJURY This guide contains instructions and technical features of the TL cryogenic oven Read with attention before attempting to install It is the responsibility of the technician to undertake all the safety rules provided by the law during
17. lity of a shorter period seconds and an irregular period Here below there are the suggest setup values for the traditional vacuum oven and for the cryogenic oven TL 2000 vacuum oven Cryogenic oven for heating ramp Cryogenic oven for heating ramp with rise rate of 5 C sec and with rise rate of 15 C sec 10 C sec 10 C sec and 5 C sec P 2 6 035 X 4G 2A X O OI 3 3 D XJ3L IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY SIPS ES Tel 39 02 39449519 Fax 39 02 700403170 lt a yi Ceninge elec B pet ipses com e mail info ipses com 1O 1 5 j N sclentilic electronics l b B QS LL OPSE PAY ATTENTION after every modification of PID parameters it is necessary to switch off and then switch on the TL2000 thermoregulation unit and restart the software 8 MAINTENANCE Check periodically the clamping of the power supply cables of the strip control the strip is well fixed to its terminals a loose connection can cause a failure in power transfer and a decay of the heating ramp and can also cause damages to the electrical terminals Clean the optical filters with a soft cloth without hairs Follow maintenance instructions indicated in its user manual for the vacuum pump 9 TECHNICAL SPECIFICATIONS 1 Power supply of the heating strip e maximum voltage 5 V e maximum current 90 A e maximum power 450 W 2 Measure of the temperature e thermocouple t
18. nce the oven is connected to the thermoregulation unit the photon counting unit can be mounted on the oven The cryogenic oven has been designed to be compatible with the flange of the IPSES vacuum oven used for TL analysis so it is not necessary to unscrew the photomultiplier housing form that flange and mount it on the new flange of the cryogenic oven You can just take off the extra flange from the cryogenic oven and simply positioning the photon counting unit on the ring as shown in the following pictures Cryogenic oven equipped with its flange Take off the flange Cryogenic oven without flange top top view view Pay attention that the O ring is all inside the groove Photon detection unit mounted on the Just put the photon detection unit The unit will fit exactly on flange of the TL2000 vacuum oven on the cryogenic oven 16 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 http www ipses com e mail info ipses com 3M 1 5 j ESI iCare tis cir rw i TL cryogenic oven USER MANUAL TDI PS i ES When you place the photon detection unit on the cryogenic oven pay attention to put the interlock switch over the interlock switch support as shown in the following pictures PIE O ring inside its groove Interlock support IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY gt PS ES Tel 39 02 39449519 Fax 39 02 70040
19. ressure cylinder connect the other side of the pipe with the oven through the screw connector shown in the following picture IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 gt n pet ipses com e mail info ipses com scieniic electronics IM 1 5 j ESI O TL cryogenic oven USER MANUAL gt PS ES scientific electronics IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 http www ipses com e mail info ipses com 1clentfic elechonics 1 03 I 4 O q 4 O A me m TL cryogenic oven USER MANUAL wm P 3 ES cientilic electronics Detail of the black pipe side with the connector toward the oven At this point put the yellow pipe for the nitrogen output in the Dewar provided with pay attention positioning the Dewar in a stable position because during the analysis liquid nitrogen can fill inside Yellow pipe for nitrogen outlet Detail of the yellow pipe for nitrogen outlet in the Dewar Tel 39 02 39449519 Fax 39 02 700403170 22 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS FS http www ipses com e mail info ipses com VAS scientie electronics CI l s f K ls O TL cryogenic oven USER MANUAL DIP SE S The cryogenic vacuum oven must be connected to a vacuum pump by two connectors that are
20. sclontific SES Then connect the High voltage power supply mod HiVo to the photon counting unit insert the relevant male connector on the female connector of the photomultiplier housing labeled with HV Then connect the other side of the wire to the connector labeled H V out on the rear side of HiVo Connector for the interlock cable on the photon counting detection unit Connector for the interlock cable on the rear side of HiVo Then connect the interlock cable to the Interlock H V connector on the rear side of HiVo and the interlock connector on the photon detection unit IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 ped ipses com e mail info ipses com sclenilic eleclronics wt I 4 scientie electronics o I ls f O TL cryogenic oven USER MANUAL di P S ES 4 CONNECTION AND INSTALLATION OF THE SYSTEM Connect the black pipe provided with the system to the liquid nitrogen cylinder The cylinder must be under pressure EA 3 8 fai 1 2 solluloe zai AYAT TIIU Pipe toward liquid nitrogen Detail of the pipe connected to liquid nitrogen cylinder The connection is achieved through a screw flange at the end of the black pipe which is compatible with the most part of screw connectors of cylinders for liquid nitrogen otherwise an adaptor is required Once the black pipe is connected to the under p
21. seous nitrogen to be sure to have an inert atmosphere inside 8 Close the speedy valve toward the gaseous nitrogen when the indicator of the manometer reach a 0 9 or 0 8 bar 9 Openthe liquid nitrogen valve 10 When you are sure that the inner copper tank is fulfilled of liquid nitrogen i e when liquid nitrogen starts to come out form the outlet yellow pipe it is possible to close the liquid nitrogen valve When you see the temperature on the sample area starts to arise without stimulation open again the liquid nitrogen valve 5 TECHNICAL FEATURES sample cooling is obtained by two thermal elements connected to a small tank filled with liquid nitrogen Sample heating is obtained through a heating resistive element The temperature is measured through a type K thermocouple heating resistive element and thermocouple are provided with the unit The control of the power supplied to the heating element is achieved by the use of a PID loop the error signal obtained as difference between the reference temperature at a given time t and the actual temperature measured by the thermocouple is differentiated and integrated The three components Proportional Integral and Differential are IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY fy PSES Tel 39 02 39449519 Fax 39 02 700403170 amp gt iocierndfic plec horita B pet ipses com e mail info ipses com 3M 1 5 j ESI scientie electronics I OI
22. shown in the following image Connectors toward vacuum pump The connectors are two standard flange type DN16KF they can be connected to a unique vacuum pump using proper connectors and speedy valves not provided with the system Two speedy valves are required one for each flange In the opposite side of the oven there is the connector toward gaseous nitrogen as shown in the following picture Connector toward gaseous nitrogen The connector is a standard flange type DN16KF The connection must be achieved using proper connectors and speedy valve to control the nitrogen flow not provided with the system IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY PS ES Tel 39 02 39449519 Fax 39 02 700403170 na gt ni ui ipses com e mail info ipses com 3M 1 5 j ESI icerige elechtonici TL cryogenic oven USER MANUAL AJ P S ES scientific electronics Detail of connection toward vacuum pump upper flange with speedy valve and clamps Detail of connection toward the gaseous nitrogen with speedy valve and clamps i P C d kI T During analysis to have the correct inert atmosphere inside the camera it is recommended to proceed as follow First turn on the vacuum pump and open the two speedy valves toward the oven till the inner pressure is about 1 bar end of scale of the pressure indicator Inner pressure indicator IPSES S r l Via Suor Lazzarotto 10 20020 Cesate
23. te MI are Italy Sanat tel 39 02 39449519 39 02 320629547 fax 39 02 700403170 e mail info 0 ipses com http www ipses com 29 IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY pran PS ES Tel 39 02 39449519 Fax 39 02 700403170 A http www ipses com e mail info ipses com 1O 1 5 j N Iceri elechtonici zcientilic electronics he b QU sem COIPSES SUPPORT INFORMATION The customer is at liberty to contact the relevant engineer at IPSES S r l directly Telephone 39 02 39449519 39 02 320629547 Fax 39 02 700403170 Email support ipses com PROBLEM REPORT The next page is a standard template used for reporting system problems It can be copied and send as a fax Alternative bugs may be reported by emails in this case please insure that the mail contains similar information listed in the Engineering Problem Report form IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY E PS ES Tel 39 02 39449519 Fax 39 02 700403170 P 4 A B pet ipses com e mail info ipses com 10 1 EI j N iCare eechorcs scientific electronics I gii ii Po l ls f O TL cryogenic oven USER MANUAL d 15 PSES ENGINEERING PROBLEM REPORT Problem describer Name IPSES s r l Via Suor Lazzarotto 10 Company Cesate MI Italy Fax 439 02 700403170 Product Name Version Serial No Report Type bug change request or technical problem Major bug Ur
24. ype K input e linearity 1 C e range trom 200 C upto 500 C centigrade degrees 3 Working temperature e environment temperature 0 C up to 40 C e Humidity 0 up to 60 Rh e Inner temperature inside the oven 260 C up to 500 C 4 connection of the cryogenic oven e Three flange connectors type DN16KF Mechanical dimensions diameter 200 mm high without photon counting unit 256 mm diameter 7 87 inches high 10 8 inches IPSES S r l Via Suor Lazzarotto 10 20020 Cesate MI ITALY SIPS ES Tel 39 02 39449519 Fax 39 02 700403170 Aes ui ipses com e mail info ipses com 1O 1 5 j N QC nERC tie irorw i zcientilic electronics Was ku D iu b f O TL cryogenic oven USER MANUAL d PSES CONTACTS IPSES S r l conceives projects and markets electronic and scientific instruments The customized planning of our devices allows us to answer specific necessities for customers asking for embedded systems IPSES clients enjoy access to a dedicated project engineering team available as needed Our pool consists of highly competent professionals whose experience in this field is extremely strong Thanks to constant updating and technical development IPSES is a leading company combining the dynamism of a young group into the competence and reliability of a qualified staff IPSES S r l oe ML a M Research and development office P x rei Via Suor Lazzarotto 10 X P s E S 20020 Cesa
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