Home

SCTC 20E - ALA Scientific Instruments

image

Contents

1. 3 1 2 digits XX X C temperature of SENSOR A or B or XX X V voltage at power output analog input 10mV C via BNC connector digital control range 02 0 C to 45 0 C XX X C or 0 100 of output voltage DIRECT modes analog outputs 10mV C via BNC connector output impedance 250 Q 15 V 3 A for each channel short circuit protected continuous DC control for the output voltage with a linear range from 0 100 PI proportional integral controller accuracy typically 0 2 C gain range 10 10k integration time 50 ms 20 s logarithmic scale 0 1 C at 25 C 115 230V AC 60 50 Hz fuse 4 2A slow 19 rackmount cabinet 19 483 mm 10 250 mm 3 5 88 mm version 2 11 page 18
2. A or B range 10 to 6 15 INTEGRATION potentiometer Potentiometer to set the INTEGRATION parameter time constant of the temperature controller PI controller of channel A or B time range 50 ms 20 s 7 14 TEMPERATURE C display Digital display that shows the temperature determined by SENSOR A or SENSOR B resolution XX X C MODE of operation unit channel A The mode of operation unit of channel A consists of 8 MODE switch 9 ALARM LED 10 EXT SENSOR ImV C connector 28 SENSOR A connector 29 COMMAND INPUT 10mV C connector and 30 DESIRED TEMP C potentiometer 8 MODE switch Switch to select the operation modes for channel A Four modes are available SENSOR A the temperature determined by SENSOR A 28 is used for the control system DIRECT HEAT the voltage at the POWER OUTPUT 32 33 can be set directly from the DESIRED TEMPERATURE potentiometer 30 0 to 15 V no control DIRECT COOL the voltage at the POWER OUTPUT 32 33 can be set directly from the DESIRED TEMPERATURE potentiometer 30 0 to 15 V no control EXT SENSOR an external thermometer connected to BNC connector 10 sensitivity ImV C can be used for the controller loop version 2 11 page 7 PTC 20 User Manual 9 ALARM LED LED that indicates that the temperature SENSOR A is not connected broken or short circuited The POWER OUTPUT 32 33 shuts down if this LED is on and the MODE swi
3. heat sink This is very important especially if you use the Peltier element for cooling because in cooling mode the opposite side gets hot Now it is ensured that the active side gets hot if the MODE switch 8 Figure 1 is set to HEAT and cold if the MODE switch 8 Figure 1 is set to COOL in DIRECT mode The right polarity is also very important for all other operation modes see chapter 3 6 3 6 Modes of Operation Each channel of the system can be used in the following modes of operation DIRECT mode In DIRECT mode no temperature control the MODE switch 8 channel A or J2 channel B Figure 1 is set to one of the two DIRECT positions DIRECT HEAT position sets the output voltage positive referring to ground DIRECT COOL position sets the output voltage negative referring to ground In both DIRECT modes the control unit is not active i e the output voltage is preset directly at the DESIRED TEMP control 30 channel A or 23 channel B Figure 1 With the setting from 000 to 999 the output voltage increases linearly from 0 V to 15 V DIRECT HEAT or 0 V to 15 V DIRECT COOL The ALARM circuit see below is disabled in this mode Note In DIRECT COOL mode there will not occur any output voltage when the HEAT ONLY toggle switch is activated DIRECT HEAT and DIRECT COOL will work in this way only if the Peltier element is connected to the PTC 20 with right polarity version 2 11 page 11 PTC 20 U
4. 7 OTE CLO IN sept cada esarecsBecsdazdasets aunties ansins einaad cea sath R tbe E T aE EAER nei osi 17 Operation raseeris ara a a busses okey ede aus eaten 17 6 Literatu ee tases tat ele n a Selah ed Mace tase Poles nad ao at os cae tale ada Set cles go 18 Te SRG CINMIGAL Data Ai oles ia sacan scat a cous Gusts vans wo eaust A E E a a tears 18 version 2 11 page 2 PTC 20 User Manual 1 Safety Regulations VERY IMPORTANT Instruments and components supplied by npi electronic are NOT intended for clinical use or medical purposes e g for diagnosis or treatment of humans or for any other life supporting system npi electronic disclaims any warranties for such purpose Equipment supplied by npi electronic must be operated only by selected trained and adequately instructed personnel For details please consult the GENERAL TERMS OF DELIVERY AND CONDITIONS OF BUSINESS of npi electronic D 71732 Tamm Germany 1 GENERAL This system is designed for use in scientific laboratories and must be operated by trained staff only General safety regulations for operating electrical devices should be followed 2 AC MAINS CONNECTION While working with the npi systems always adhere to the appropriate safety measures for handling electronic devices Before using any device please read manuals and instructions carefully The device is to be operated only at 115 230 Volt 60 50 Hz AC Please check for appropriate line voltage before connecting
5. MODE switch EXT SENSOR mode This mode can be used to connect an external thermometer The calibration of the external input EXT SENSOR ImV C 10 or 26 Figure 1 is 1 mV C If this option is used the internal ALARM circuits are disabled Figure 2 gives an overview of the operation modes of the PTC 20 3 7 Setting the DESIRED TEMPERATURE There are two ways to set the DESIRED TEMPERATURE 1 The easiest way is to use the digital potentiometer DESIRED TEMP C The temperature can be set from 02 0 C to 45 0 C resolution 0 1 C If the PTC 20 leaves this temperature window the internal shut off unit disconnects the power output This could be the case if the sensor is broken or short circuited 2 Ifthe user wants to have external control e g with a computer system the DESIRED TEMPERATURE can be set using the COMMAND INPUT 10mvV C connector 29 or 24 Figure 1 The COMMAND INPUT is scaled 10mV C i e 370 mV at this connector would set the DESIRED TEMPERATURE to 37 C Important The set value of the temperature is always the sum of the setting at DESIRED TEMP C potentiometer and the voltage at COMMAND INPUT 10mV C connector i e if DESIRED TEMP C is set to 25 0 C and the voltage at COMMAND INPUT 10mvV C is 150 mV the temperature will be set to 40 C version 2 11 page 12 PTC 20 User Manual 4 Grounding To avoid ground loops the internal ground of the system is
6. N set to 0 INTEGRATION off temperature C 39 37 35 33 31 29 27 25 0 100 200 300 400 500 600 700 800 900 1000 time s Figure 3 Time course of temperature regulation of the PTC 20 channel A 1 LIMITER was set to 100 GAIN was set to the third scale mark 2 GAIN was set to the fourth scale mark 3 INTEGRATION was turned on at a low level version 2 11 page 16 PTC 20 User Manual 5 1 PTC 20 and the HCMIS microincubator Connection Connect the banana plugs to the POWER OUTPUT 32 33 or 20 21 Figure 1 and the plug of the sensor to SENSOR A or B 28 or 25 Figure 1 respectively Operation Heating Follow the steps as described above With the HCMIS micro incubator from ALA Scientific Instr it is likely that you have to use more gain in order to reach a steady state temperature of 35 C to 36 C without INTEGRATION In that case increase the gain stepwise and wait in every step until the temperature reaches a steady state level of 35 C to 36 C and then turn on the INTEGRATION as described above see also Figure 4 Cooling It is characteristic for Peltier elements that when they cool on one side the other side gets very hot When cooling the upper side of the HCMIS gets hot and it must be ensured that the heat from the upper side is carried off This is best done by using the fluid cooling system of the HCMIS Without cooling the HCMIS with fluid it is not possible to reach
7. NTED ALWAYS ON APPROPRIATE HEAT SINKS TO AVOID DAMAGE THROUGH OVERHEATING version 2 11 page 3 PTC 20 User Manual 2 PTC 20 Components The following items are shipped with the PTC 20 system Y PTC 20 19 cabinet J Power cord J User manual Optional accessories Miniature temperature sensor Subminiature temperature sensor PT 100 temperature sensor HCMIS micro incubator Recording chamber Heated perfusion tube Thermal foil t t ttg 3 PTC 20 System 3 1 System Description The PTC 20 temperature control system is designed for heating and cooling purposes in electrophysiological experiments The PTC 20 system provides two independent temperature controller channels and is housed in a 19 inch standard rackmount cabinet with built in power supply and cooling elements for the power devices The PTC 20 system guarantees low noise operation and has special protection features to prevent the preparation from damage SYSTEM COMPONENTS The PTC 20 incorporates two channels which include an electronic thermometer for small semiconductor sensor standard is R2252 i e the sensor has a resistance of 2252 Q at 25 C or optionally PT 100 i e 100 Q at 0 C a digital temperature display XX X C for each channel a set value control with direct readout XX X C a PI proportional integral controller with adjustable parameters an output power control unit and a high power bipolar output stage 15 V DC continuous operatio
8. any system to mains Always use a three wire line cord and a mains power plug with a protection contact connected to ground protective earth Before opening the cabinet unplug the instrument Unplug the instrument when replacing the fuse or changing line voltage Replace fuse only with an appropriate specified type 3 STATIC ELECTRICITY Electronic equipment is sensitive to static discharges Some devices such as sensor inputs are equipped with very sensitive FET amplifiers which can be damaged by electrostatic charge and must therefore be handled with care Electrostatic discharge can be avoided by touching a grounded metal surface when changing or adjusting sensors Always turn power off when adding or removing modules connecting or disconnecting sensors headstages or other components from the instrument or 19 cabinet 4 TEMPERATURE DRIFT WARM UP TIME All analog electronic systems are sensitive to temperature changes Therefore all electronic instruments containing analog circuits should be used only in a warmed up condition i e after internal temperature has reached steady state values In most cases a warm up period of 20 30 minutes is sufficient 5 HANDLING Please protect the device from moisture heat radiation and corrosive chemicals 6 INSTRUMENT COOLING To prevent damage from overheated components adequate airflow around the heat sink in the rear of the instrument must be ensured PELTIER ELEMENTS MUST BE MOU
9. ent of 3 A version 2 11 page 9 PTC 20 User Manual 31 22 OUTPUT 10mV C connector BNC connector monitoring the temperature determined by SENSOR A 28 or E SENSOR B 25 respectively sensitivity 10mV C 3 3 Rear Panel Elements LINE VOLTAGE SELECTION The selector for the line voltage and the connector for the power cord are located in a mains connection module on the rear panel of the instrument Caution If operated with other line voltage the instrument may be damaged if the wrong line fuse is installed FUSE The fuse is also integrated in the mains connection module The line fuse must be 4 A slow 115 V or 2 A slow 230 V It must be replaced only by specified type see above Please disconnect mains power plug before replacing fuse 3 4 Electronic Control and Protection Circuits CONTROL LOOP The sensor thermometer PI controller output power stage and Peltier element form a closed loop control system The desired temperature signal is compared with the output signal obtained from the thermometer giving an error signal This signal is amplified in the PI controller and transferred to the output stage where it is converted to a high power output signal applied to the Peltier element ELECTRONIC PROTECTION CIRCUITS Each system is equipped with two protection systems 1 Sensor inputs an electronic shut off function disconnects the output if the sensor is disconnected broken or short c
10. floating i e it is not connected to the protective earth of the line cable while the cabinet is always connected via the power supply cable green yellow wire The system can be grounded by connecting plug 27 Figure 1 internal ground or 11 Figure 1 protective earth version 2 11 page 13 PTC 20 User Manual ANSIANS13 alld Io YFIOOO YILWSH gt YOSNAS 1X4 qiov INIW314 agad YOSNAS LNdLNO waIMOd Oo LNdNI GNVAINIOS INdINO YaMOd PS a NLAJ IL AISIA JGOW 1934A HOLS Ado BENTAN JB JOUOO te SInjoleduusey Y JBLOLUOMUS10d NIYS JBLOWOMUS10d NOIWYSALNI V JBS Wous od YALIAIT TANNYHO IOULNOD JuALVaadWsAl JNO NLAJ IL AJINISIA Figure 2 Block diagram of the PTC 20 page 14 version 2 11 PTC 20 User Manual 5 Operating guide Tuning procedure After unpacking the instrument please check the appropriate voltage at the voltage selector at the back panel Also check that the sensor used for the control is in good thermal connection with the heating wire or the active side of the Peltier element and that the Peltier element is connected with right polarity see chapter 3 5 In the following it is assumed that you use devices delivered by npi or ALA Scientific Instr with 12V operating voltage Please follow t
11. he control system DIRECT HEAT the voltage at the POWER OUTPUT 20 21 can be set directly from the DESIRED TEMPERATURE potentiometer 23 0 to 15 V no control DIRECT COOL the voltage at the POWER OUTPUT 20 21 can be set directly from the DESIRED TEMPERATURE potentiometer 23 0 to 15 V no control EXT SENSOR an external thermometer connected to BNC connector 26 sensitivity ImV C can be used for the controller loop 13 ALARM LED LED that indicates that the temperature SENSOR B 25 is not connected broken or short circuited The POWER OUTPUT 20 21 shuts down if this LED is on and the MODE switch 12 is set to SENSOR B 26 EXT SENSOR ImV C connector BNC connector for an external thermometer with a voltage output of ImV C 25 SENSOR B connector 8 pole connector for temperature SENSOR B 24 COMMAND INPUT 10mV C connector BNC connector to set the working temperature of the controller system by an external voltage signal This input is scaled with the factor 10mV C 23 DESIRED TEMP C potentiometer Digital potentiometer to set the working temperature of the controller system for channel B range 05 0 C to 45 0 C XX X C or 0 100 of output voltage DIRECT mode 32 33 20 21 BIPOLAR POWER OUTPUT MAX 3A connectors Banana jack connectors for the heating units 32 33 for channel A 20 21 for channel B These outputs supply a maximum voltage of 15V DC and a maximum curr
12. hese instructions step by step to avoid problems in adjusting the instrument e Turn all potentiometers to the most left position e switch the MODE selector to the position SENSOR A or B depending on which sensor is used as feedback temperature in the controller loop e set the DESIRED TEMPERATURE to e g 37 C DESIRED TEMP C 3 7 0 turn on the instrument and wait at least 15 minutes to warm up the instrument The temperature display should show the actual temperature at the sensor e turn the LIMITER to 100 UMITER J 0 100 Note If you use heating wires with 6V operating voltage turn the LIMITER to 50 to protect the wire from damage If the difference between the actual and the desired temperature is more than 10 C the HEAT LED will light up slightly e turn the GAIN to the third scale mark The actual temperature at the sensor now approaches the desired temperature but will not reach 37 C because the control loop is not yet well adjusted The actual temperature will arrest at 1 to 2 C below the desired temperature Please wait until this steady state value is reached This may last several minutes e Now turn on the INTEGRATION and set it approximately to the first scale mark You will hear a Click if the INTEGRATION gets active OFF MAX INTEGRATION version 2 11 page 15 PTC 20 User Manual The actual temperature at the sensor will now reach the desired te
13. ibed as units regardless of the order of numbers The PTC 20 has two temperature control channels with identical operation elements for channel A and channel B respectively Thus in the following description the elements are addressed first for channel A bold and second for channel B bold italic underlined Only the mode of operation unit is described separately for each channel 1 POWER pressure switch Switch to turn POWER on switch pushed or off switch released 2 19 HEAT ONLY LED HEAT ONLY switch The HEAT ONLY toggle switch sets the controller into HEAT ONLY mode 2 for i channel A 19 for channel B The red LED above the switch indicates the state of Q the controller LED on HEAT ONLY 3 18 LIMITER potentiometer Potentiometer to set the voltage range of the POWER OUTPUT 32 33 or 20 21 of channel A or channel B 100 15 Volt 4 17 HEAT COOL LEDs LEDs that indicate the state of the POWER OUTPUT 32 33 or 20 21 of channel A or channel B HEAT yellow LED output polarity positive active side will be heated see also chapter 3 5 COOL green LED output polarity negative active side will be cooled see also chapter 3 5 version 2 11 page 6 PTC 20 User Manual 5 16 GAIN potentiometer Potentiometer logarithmic scale to change the GAIN parameter amplification of the error signal see chapter 3 4 of the temperature controller PI controller of channel
14. ircuited 2 Output protection the output current and voltage are limited electronically Important The sensors used for the control must be in good thermal connection with the Peltier elements if not unstable operation and damage may occur ALARM circuit The internal thermometer R2252 or PT100 sensor inputs are protected by the sensor alarm circuit see above If this thermometer is used as input device for the PI controller the ALARM circuit disconnects the power output if the sensor is damaged or not connected This state is indicated by the red ALARM LED If the DIRECT mode or EXT mode is used the ALARM circuit is disabled ACCURACY version 2 11 page 10 PTC 20 User Manual Measuring accuracy of the internal thermometer is 0 1 C controller accuracy is 0 5 C or better depending on the amount of heated solution 3 5 Connection of Peltier Elements The PTC 20 is designed to work with Peltier elements Peltier elements have two different sides one is the active side and the other is the opposite side usually marked as active and opposite respectively In order to work properly the Peltier elements have to be connected with right polarity to the PTC 20 Quick installation for channel A _ Connect the active side to the pole 33 Figure 1 L Connect the opposite side to the pole 32 Figure 1 _ Mount the Peltier element on a heat sink the opposite side facing the
15. mperature possibly after a small overshoot Wait again until the steady state value is reached If this value is not reached set the GAIN to higher levels until in this example 35 C to 35 5 C is reached e If the desired temperature is not reached first set the GAIN to a slightly higher level and then if necessary raise the INTEGRATION see Figure 3 Note The speed of the control circuit and therefore the time in which the actual temperature reaches the DESIRED TEMPERATURE is highly dependent on the first settings of GAIN and INTEGRATION Thus when beginning to use the PTC 20 we recommend to try out several first settings of GAIN and INTEGRATION to find out which settings are best for your experimental conditions If you use a perfusion system and you are going to heat it is recommended to heat the solution approximately to the desired temperature before perfusing the bath either with a heating foil wrapped around the supplying tube available from npi or by heating up the supplying bowl As mentioned above it is very important that the sensor element and the heating cooling element are in good thermal connection In Figure 3 the time course of temperature regulation of the PTC 20 channel A is shown As resistive load a bulb 12V 21W was used The temperature sensor was fixed directly on the bulb and sensor and bulb were wrapped with foam Starting temperature was 27 3 C Starting conditions were LIMITER set to 0 GAI
16. n for Peltier elements i e heat cool operation or resistive i e heat only loads with electronic protection circuits For heat only applications the bipolar output can be switched to unipolar operation 15V The power outputs are short circuit protected the output power is limited electronically Maximum output voltage is approximately 15 Volt the current is limited to 3 A A large variety of sensors and thermal elements are available see also Optional accessories in chapter 2 Please contact npi for details Important Peltier elements must be mounted always on appropriate heat sinks to avoid damage because of overheating version 2 11 page 4 PTC 20 User Manual 3 2 Description of the Front Panel o gt Ro Y Ko z 9 wo N N oO Oy gt z N Zo 25 4t PV N 8 g n 2 5 to PS Sojo 8 N o Be ge g 20 o a D ae oo O 9 9 of e E a 9 g FO lo 2 SD z BS hee 2 O Q Figure 1 PTC 20 front panel view version 2 11 page 5 PTC 20 User Manual In the following description of the front panel elements each element has a number that is related to that in Figure 1 The number is followed by the name in uppercase letters written on the front panel and the type of the element in lowercase letters Then a short description of the element is given Some elements are grouped in functional units e g MODE of operation unit and are descr
17. sect Instruments for the Life Sciences OPERATING INSTRUCTIONS AND SYSTEM DESCRIPTION FOR THE PTC 20 PELTIER TEMPERATURE CONTROL SYSTEM VERSION 2 11 npi 2002 npi electronic GmbH Hauptstrasse 96 D 71732 Tamm Germany Phone 49 0 7141 601534 Fax 49 0 7141 601266 support npielectronic com http www npielectronic com PTC 20 User Manual Table of Contents Te Safety ResulationS ca te hia esate a E E a nn aos aa A a Ea E a E 3 Dae PTE 20 COMponentS edie eaa e ees E T E E TEE 4 Bs A DETON a E EAE E E E E AES ase 4 dels Syst m Descriptiohssnoss a ai aieia A aa ate eee eaten 4 3 2 Description ofthe Front Panel aiccti coated acedeis daniel apeotis ndani a a a 5 3 3 Rear Panel Elements ssrin nie a a a n dae A aaa 10 3 4 Electronic Control and Protection Circuits 20 0 0 cesccesceeceeeeeeeeceeseeceeeceeeeeeeeeneeeaeees 10 3 5 Connection of Peltier Elements ot ccits es cras Souhisobactuaas cuss Zavccaganaesuatanes cus taceaasbansceenoa enna 11 3 0 Modes of Operation sdi cscs enor anata h sc Rohe aan ua cura lua oa a N a al 11 3 7 Setting the DESIRED TEMPERA TURE wi c ccsececssssccsichecasscsivcnseecsecuc esstaucclabstacesataceees 12 4 Grounding aga cao aE tess asaya aa EE Pass EE E et uae RE 13 5 Operating guide Tuning PLOCE MU Secs edd sss eais beoduadeon desde vpanaie orden csesdeewinsaed dM eunedisteead 15 5 1 PTC 20 and the HCMIS microincubator ceeececccecsceceseceseceeeeeeeeeneeceeeenseeeeeeenseees 1
18. ser Manual HEATING COOLING OPERATION in DIRECT mode The PTC system is designed with bipolar outputs 0 V to 15 V DC If a resistive load is connected the system can be used for heating purposes in all modes CONTROL and DIRECT If a PELTIER device is connected to the output the system can be used either for heating or cooling purposes active side of the Peltier device in contact with recording chamber If a Peltier device is used for cooling purposes the opposite hot side of the Peltier element must be connected to an adequate heat sink Caution When using COOL DIRECT mode check the position of the HEAT ONLY toggle switch position is also indicated by the red HEAT ONLY LED In any case cooling function is only possible when this switch is not activated Internal SENSOR mode In this mode the output voltage is controlled by the PI controller PI proportional integral controller system activated The temperature signal which is used for the control unit is SENSOR A for channel A and SENSOR B for channel B The temperature is measured with a small semiconductor or PT100 sensor connected to SENSOR A and or to SENSOR B and displayed at the respective digital display unit 7 or 14 Figure 1 XX X C If no sensor is connected or if the sensor is damaged or short circuited the internal shut off unit disconnects the power output This state is indicated by the red ALARM LED 9 or J3 Figure 1 located just above the
19. tch 8 is set to SENSOR A 10 EXT SENSOR ImV C connector BNC connector for an external thermometer with a voltage output of ImV C 28 SENSOR A connector 8 pole connector for temperature SENSOR A 29 COMMAND INPUT 10mV C connector BNC connector to set the working temperature of the controller system by an external voltage signal This input is scaled with the factor 10mV C 30 DESIRED TEMP C potentiometer Digital potentiometer to set the working temperature of the controller system for channel A range 02 0 C to 45 0 C XX X C or 0 100 of output voltage DIRECT mode 11 Protective earth 27 GROUND connectors To avoid ground loops the internal ground of the system is floating i e it is not connected to the protective earth of the line cable while the cabinet is always connected via the power supply cable green yellow wire The system can be grounded by connecting plug 11 protective earth or 27 internal ground MODE of operation unit channel B The mode of operation unit of channel B consists of 12 MODE switch 13 ALARM LED 26 EXT SENSOR ImV C connector 25 SENSOR B connector 24 COMMAND INPUT 10mV C connector and 23 DESIRED TEMP C potentiometer version 2 11 page 8 PTC 20 User Manual 12 MODE switch Switch to select the operation modes for channel B Four modes are available SENSOR B the temperature determined by SENSOR B 25 is used for t
20. temperatures below 20 C Caution When operating the HCMIS in cooling mode always use the fluid cooling system to avoid overheating and damage of the Peltier elements PTC 20 with HCMIS effects of several gain positions and integrator 4 t gaing Megrator gain8 ih gain7 gain6 w N gain5 gain4 temperature C wo oO 0 500 1000 1500 2000 2500 3000 time s temperature channel A Figure 4 Time course of temperature regulation of the PTC 20 HCMIS micro incubator connected to channel A version 2 11 page 17 PTC 20 User Manual 6 Literature Kettenmann H Wiley Liss New York 1992 Froehr F and R Grantyn eds Practical and F Orttenburger Electrophysiological Methods Introduction to Electronic Control Engineering Siemens AG Berlin and Munich 1982 7 Technical Data Sensor input Sensor input EXT Mode ALARM and SHUTOFF Digital displays COMMAND INPUT Set value control Temperature OUTPUT A B Power output Limiter Control Measuring accuracy Power requirements Dimensions for semiconductor 2252 Q at 25 C standard or platinum 100 Q at 0 C accuracy typically 0 1 C at 25 C with electronic protection ImV C disconnects POWER OUTPUT if temperature is below 3 C not connected or broken sensor or above 45 C short circuited sensor

Download Pdf Manuals

image

Related Search

Related Contents

Samsung MM-ZJ6 Bruksanvisning  Peerless PLT BLK flat panel desk mount  Development KIT for TM1 GSM/GPRS module  Física  User guide - Noesis  Fujitsu ESPRIMO Q520  Hamilton Beach 25475 Use and Care Manual  車両取扱説明書(2014/9~)(41.8MB)  LEYBOLD SA SOGEVAC SV 40, SV 65, SV 100 BR2  ISPESL - Marco Bizzotto  

Copyright © All rights reserved.
Failed to retrieve file