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JOFRA ATC-125
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1. Exx 0 04 C 0 07 x 007 soc 02 F 308 k Accuracy with internal reference sensor soc 018 F sis j 013 C 023 F 8 55 018 C 20 32F sis jso2rcc 436 J 028 450 E 035 C 46 8 x standard Immersion depth 185 mm 7h J A S Improved specifications LJ E XIX E utom n SET follows TRUE JOFRA calibration FUNCTIONAL SPECIFICATIONS Mains specifications 115V 90 127 230V 1 80 254 Frequency non US deliveries 50 Hz 5 60 Hz 5 Frequency US deliveries 60 Hz 5 Power consumption max ATC 125 300 VA Temperature range ATC 125 Maximum 125 C 257 F Minimum ambient temp 0 C 32 F 90 C 130 F Minimum ambient temp 28 C 73 F 90 C 130 F Minimum ambient temp 40 C 104 F 73 C 99 F Stability 0 03 C 0 054 F Measured after the stability indicator has been on for 10 minutes Measuring time is 30 minutes Set temperature ambient temperature 5 C 9 F 0 04 C 0 07F Time to stability approximate ATO
2. sensor 1 4 in SENI 1 8 in 1 4 in 1 4 1 4 8 dn 1 4 in 1 4 in 1 4 in 3 16 in Multi hole M05 Multi hole 6 ATC 125 A B ATC 125 A B ORDERING INFORMATION Order number Description Base model number ATC125 ATC 125 series 90 to 125 C 130 to 257 F including carrying case Model version A Basic model no sensor under test or reference probe input B Including sensor under test and reference probe input Power supply US deliveries 60 Hz only 115 115VAC 230 230VAC Mains power cable type European 230V USA CANADA 115V UK 240V South Africa 220V Italy 220V Australia 240V Denmark 230V Switzerland 220V Israel 230V LTIoQOnmoou Insert type and size 1 x Insert is included in the standard delivery please see the previous insert pages for the right insert codes 5 Calibration certificate F NPL Traceable temperature certificate standard for Europe Asia Australia and Africa G NIST traceable temperature certificate standard for Americas H Accredited certificate optional Options R 4mm 90 angled STS 100 reference probe with accredited certificate in temperature range 90 C to 125 C 130 F to 257 F X No option used ATC125B230AM01FX Sample order number JOFRA ATC 125 B including carrying case standard accessories 230VAC European power cord multihole insert type MO1 and NPL trace able temperature certificate
3. AMETEK TEST amp CALIBRATION INSTRUMENTS AMETEK Denmark A S Gydevang 32 34 3450 Aller d Denmark T 45 4816 8000 ametek ametek dk Information in this document is subject to change without notice 2012 by AMETEK Inc www ametek com All rights reserved AMETEK Test amp Calibration Instruments A business unit of AMETEK Measurement amp Calibration Technologies Division offering the following industry leading brands for test and calibration instrumentation JOFRA Calibration Instruments Temperature Calibrators Portable dry block calibrators precision thermometers and liquid baths Temperature ranges from 90 C 130 F to 1205 C 2200 F Temperature sensors for industrial and marine use Pressure Calibrators Convenient electronic systems ranging from 25 mbar to 1000 bar fully temperature compensated for problem free and accurate field use Signal Instruments Process signal measurement and simulation for easy control loop calibration and measurement tasks M amp G Pressure Testers amp Pumps Pneumatic floating ball or hydraulic piston dead weight testers with accuracies to 0 015 of reading Pressure generators delivering up to 1 000 bar Lloyd Instruments Materials testing machines and software from Lloyd Instruments guarantees expert materials testing solutions The comprehensive program also covers Texture Analysers to perform rapid general food testing and detailed texture analysis on a diver
4. temperature JOFRA calibration Wide temperature range ATC 125 ultra cooler 90 C to 125 C 130 F to 257 F Patented technology Patented cutting edge technology has been implemented to perform a unique combina tion of calibrating vary low temperatures and at the same time perform a very large cali bration span of 215 C 420 F Patent No DK 176506 Portable calibration at low temperature State of the art cooling technology ensures energy efficiency environmental friendliness and portable calibration High accuracy Using the internal reference or the external reference probe 4 wire True Ohm Measurement technology is used Improved temperature homogeneity Unique dual zone block ensures good tem perature homogeneity in the critical calibra tion zone Cost effective calibration system Stand alone operation eliminates the need for secondary equipment and PC Universal inputs handle multiple type temperature sen sors Timesaving features Up and download complete calibration tasks Auto stepping switch testing and many more features make the daily use smooth and fast Documentation made easy RS232 communication and JOFRACAL cali bration software are included in the standard delivery Complete marine program Part of a complete program of marine approved temperature pressure and signal calibrators including temperature sensors ISO 9001 Manufacturer Specificat
5. 12 months eese tentent 0 005 0 005 F S 50 Type Of RTD eene 3 or 4 wire F S ranga rr 350 ohm or 2900 ohm Accuracy 12 months 0 005 rdg 0 005 F S a 0 0 0 oOj ojojojojojojojojojojoljo p pe pe pe fe pe pe fe uu 1 0 0 0 0 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 2 0 0 0 1 5 0 22 0 29 0 21 0 18 0 16 0 18 0 18 I 0 92 0 10 150 00955 0171 nyin 32 0 103 0185 Russian versions soo 202 075 eso 1202 20 41 074 1760 3200 0 50 090 s 0 78 38s 20 50 20 320 202 0 45 20 87 30047 0 085 3214 20 52 20 94 57 2 83 320 cos 0 99 1 78 Peso 1202 20 69 1 23 90 t30 0 087 0 157 1820 3308 0o48 086 soo 20 20 20 35 To 20 003 0167 32 20 15 20 27 at 025 If automatic cold junction compensation is used the specification 3201 8 014 025 for CJ is 0 40 0 72 eso 20 16 028 1472 20 17 031 XK 90130 009 20 16 only in oo 36 1 xc 78 mV Russian 155 3117 006 011 Pull S68l8 78 mV versions
6. 320 608 0 07 20 13 Accuracy 12 months 0 0196 rdg 0 005 F S S 90 130 016 029 012 20217 of 010 20 18 81 20 09 20 16 320 608 20 09 20 18 010 0 18 JOFRA calibration PHYSICAL SPECIFICATIONS Instrument dimensions L x W x H ATC 125 506 x 156 x 449 mm 19 92 x 6 14 x 17 68 in Instrument weight ATCO 125 E 18 8 kg 41 45 Ib Insert dimensions ATC 125 outer diameter 29 7 mm 1 17 in ATC 125 inner diameter multi hole 25 9 mm 1 02 in ATC 125 inner diameter single hole 22 0 mm 0 8 in ATC 125 length 150 mm 5 91 in Weight of non drilled insert approximate haec 2 290 g 10 2 oz Shipping including carrying case 125 36 9 kg 81 2 Ib Size L x W x H690 x 640 x 420 mm 27 2 x 25 2 x 16 2 in Miscellaneous Serial data interface RS232 9 pin male Operating temperature 0 to 40 C 32 to 104 F Storage temperature 20 to 50 4 to 122 F mite d 0 to 9096 RH Protection 68 ss IP 10 DNV Marine Approval Certificate A 10384 STANDARD DELIVERY e ATC dry block calibrator user spe
7. 5 pack undrilled inserts with a 4 mm hole for the 122722 reference probe 5 pack undrilled inserts with a 1 4 in hole for the 125288 reference probe Undrilled insulation plugs 126040 1 4 in Reference sensor JOFRA calibration MULTI HOLE INSERTS FOR ATC 125 METRIC MM mm mererence sensor 126272 Sensor 126273 4 mm Mos 126274 Mog 126275 Aine Note All multi hole inserts metric and inches for ATC 125 are supplied with a matching insulation plug 4mm Note Remember to use matching insulation plugs m Multi hole MO1 ATC 125 A B Note 1 Use the insert code when ordered as the standard insert together with a new calibrator 1 4 in Reference 1 4 in Reference e ius sensor 4 mm Reference 1 4 in Reference sensor 3 mm Sensor Sensor 4 mm Reference sensor 6 mm 3 mm Bain 3mm 9mm 3mm 3mm 6 mm 6 mm 3mm 3mm 3mm 6 mm 5 mm 6 mm 3 mm 6 mm 4 mm 6 mm Multi hole M02 Multi hole MO3 Multi hole 4 ATC 125 A B ATC 125 A B ATC 125 A B MULTI HOLE INSERTS FOR ATC 125 IMPERIAL INCH Spare part no for multi hole inserts imperial inch 126276 126277 Note All multi hole inserts metric and inches for ATC 125 are supplied with a matching insulation plug Note Hemember to use matching insulation plugs Note 1 Use the insert code when ordered as the standard insert together with a new calibrator 4 mm Reference 4 mm Reference
8. Probe diameter 1 8 in 105677 3 16 in 105679 1 4 in 105681 5 16 in 105683 3 8 in 105685 7 16 in 105687 1 2 in 105689 9 16 in 105691 Package of the above inserts 124698 Set of insulation plugs for 4 mm reference hole 126234 Note All inserts metric and inches are supplied with a hole for the 4 mm OD reference probe Note Remember to use matching insulation plugs Note 1 Use the insert code when ordered as the standard insert together with a new calibrator JOFRA calibration PREDRILLED INSERTS FOR ATC 125 1 4 IN REFERENCE HOLE Spare part no for predrilled inserts with 1 4 in 6 35 mm reference hole Probe diameter Insert code 1 4 in Reference sensor 03 04 05 06 07 08 09 810 812 813 814 8 8 8 8 8 8 8 125286 Package of the above inserts 125389 ATC t25 A B Set of insulation plugs for 1 4 in 6 35 mm reference hole 9 Spare part for predrilled inserts with 1 4 in 6 35 mm reference hole o 12808 Note All inserts metric and inches are supplied with a hole for the 1 4 in OD reference probe Package of the above inserts Note Remember to use matching insulation plugs Set of insulation plugs for 1 4 in Note 1 Use the insert code when ordered as the standard insert 6 35 mm reference hole together with a new calibrator UNDRILLED INSERTS FOR ATC SERIES sensor 5 pack undrilled inserts 122720
9. Traditional temperature calibrators often become unstable in production environ ments where large electrical motors heating elements and other devices are periodically cycled on or off The cycling of supply power can cause the temperature regu lator to perform inconsistently leading to both inaccurate readings and unstable temperatures The ATC 125 calibrator employ the MVI by running on stabilized DC voltage thus avoiding any stability problems MVI Highest accuracy model B only ATC series calibrators may be supplied with a built in ref erence thermometer for use with an external probe This feature allows one instrument to provide the freedom and flexibility to perform calibrations at the process site while maintaining a high accuracy A special 90 angled external reference sensor has been designed to accommodate sensors with a transmitter head top connector or similar arrangement The user can decide whether to read the built in reference sensor or the more accurate external reference sensor from the calibrator s large easy to read LCD display The external sensor and the internal sensor are independent of one another Downloading of reference sensor linearization is done via a personal computer SET Follows TRUE model only Available on B models only the SET Follows TRUE makes the instrument tune in until the temperature of the external reference TRUE meets the desired SET temperat
10. r HB 10 minutes Accuracy model B with external STS reference sensor ATG 125 Bivedeancinueeceacdsetintelantuateaeecseceienvase 0 06 C 0 11 F 12 month period Relative to reference standard Specifications by use of the external JOFRA STS 100 reference sensor Accuracy model A B with internal reference sensor 125 A B ct 0 3 C 0 54 F Resolution user selectable All temperatures 1 or 0 1 or 0 01 Radial homogeneity difference between holes m 0 01 0 02 Immersion depth including insulation plug ATO poo TT 185 mm 7 3 in Well diameter 30 mm 1 18 in Heating time 90 to 125 C 130 to 257 30 minutes 239 t0 125 C 7 7310 15 minutes Cooling time 125 to 100 C 257 to 212 12 minutes 100 to 23 7 212 to 79 F isset neta tirant ins 28 minutes 23 to 80 C 73 to 112 75 minutes 80 to 90 C 112 to 130 F 30 minutes SYNC output dry contact Switching voltage Maximum 30 VDC Switching current eeseesss Maximum 100 mA INPUT SPEC S B MODELS ONLY All input specifications apply to the calibrator s dry block running at the respective temperature stable plus an additional 20 min utes peri
11. screen e 1024 x 786 256 colors recommended e CD ROM drive for installation of the program e 1 free RS232 serial port JOFRA calibration FUNCTIONAL COMPARISON JOFRA ATC 156 157 320 650 lt A ATC series EEBEEE 7 CK LLL ATC 125 B ATC 140 B 2 lt Temperature range ambient 23 C from October 01 2006 180mm 71n px 100mm 63n 150mm j 59in MX IXIXIX Insertion tube diameter 635mm 25n _ xix E xxix 2mm IXIXM Moet A ModaB pw Dual zone heating cooling block MVI Mains Variance Immunity or similar A atic step functio S output Using an external STS reference sensor connected to the reference probe input Immersion depth for ATC 140 as dry block Immersion depth for ATC 140 as liquid bath Immersion depth for ATC 250 as dry block and X as liquid bath gt lt A lt lt lt 20t0140 C 4 28 ___ 24t0155 C 11t0311 F 45 155 49to81UF E 2819250C 82t42F B NN 33 320 911608 ff ff NN 33to650 C 91to0120 F ft Temperature stability 5001 aso0tF 1 55151580 sisl JOFRAATC 140 250 jsoomc 0 086 F
12. user to store up to nine 9 complete instrument setups You may store all sorts of information including temperature units stability criteria use of external reference sensor resolution sensor under test SUT conversion to temperature display contrast etc The setup may be recalled at any time 85 00 SENSOR 85 00 es SET Switch Auto Maximum temperature From the setup menu the user can select the maximum temperature limit for the calibrator This function prevents damage to the sensor under test caused by the applica tion of excessive temperatures The feature also aids in re ducing drift resulting from extended periods of exposures to high temperatures This feature can be locked with an access code JOFRA calibration JOFRACAL CALIBRATION SOFTWARE JOFRACAL calibration software ensures easy calibration of RTD s thermocouples transmitters thermoswithes pressure gauges and pressure switches JOFRACAL can be used with HPC DPC 500 APC CPC and IPI pressure calibrators all JOFRA temperature calibrators as well as JOFRA AMC900 ASC300 multi signal calibrator and ASM 800 signal multi scanner bacs EN a o Lp om E JOFRACAL calibration software may also be used for manual calibrations as it can be set up to accept manual entry of calibration data together with other liquid baths ice points or dry block heat sources The calibration data coll
13. cified e Carrying case e Mains power cable user specified e Traceable certificate temperature performance e Insert user specified e Set of matching insulation plugs e Set of rubber cones for insulation plug e Tool for insertion tubes e RS232 cable e JOFRACAL calibration software e AMETRIM ATC software to adjust the ATC series e User manual e Reference manual English Model B instruments contain the following extra items e Test cables 2 x red 2 x black e Traceable certificate input performance Set of rubber cones When the ATC 125 is set to a sub zero temperature it is necessary to use an insulation plug on top of the well If some of the holes in the insulation plug are not used we recommend use of the rubber cones which will minimize the amount of water condensation in the well ACCESSORIES 105496 Thermal Protection Shield 125068 Support rod set for sensors 2 gribs 2 fixtures 125066 Extra fixture for sensor grib 125067 Extra sensor grib 122771 Connector for stable relay Output 120516 Thermocouple Male Plug Type J Black 120517 Thermocouple Male Plug Type K Yellow 120514 Thermocouple Male Plug Type N Orange 120515 Thermocouple Male Plug Type T Blue 120518 Thermocouple Male Plug Type R S Green 120519 Thermocouple Male Plug Type Cu Cu White 122801 Cable 0 5 m with LEMO LEMO connectors 122823 2m Cable Female Banana to LEMO connection 125002 Edge port Conve
14. ected may be stored on a PC for later recall or analysis The ATC calibrator stores the cali bration procedure and may be taken out to the process site without using a personal computer This allows the ATC calibrator to e Operate as a stand alone instrument using advanced calibration routines without the assistance of a personal computer on site e Prevent unauthorized changes to a calibration routine Personnel who are not authorized to alter a calibration routine cannot do so Once all calibrations are completed the data may be uploaded to the JOFRACAL calibration software for post processing and printing of certificates The calibration data collected may be stored on the personal computer for later recall or analysis The JOFRACAL temperature calibration software may be donwloaded free of charge from our web page www jofra com rg uiu p a i 1 As found as left model only The JOFRA ATC series calibrator automatically handles As Found As Left calibrations The calibrator stores both results The first performed calibration is As found and the last performed calibration is the As left regardless of the number of calibrations adjustments that may have been made in between SYNC output An output is located directly on the front of the ATC cali brator This output signals when the instrument is stable and may be used with ancillary devices such as video recorders d
15. eps 5 One way Hold time min es Back Frew Hext space field field JOFRA calibration Easy to use intuitive operation All instrument settings can be performed from the front panel The heat source is positioned away from the panel which helps protect the operator The ATC keyboard is equipped with five positive feedback function keys They correspond to the text in the display and change functionality based on instrument operations There are also dedicated function keys with permanent functions The easy to read backlit display is large with a high contrast that is readible even in high ambient light conditions The display is easily read from all angles and from a distance without parallax problems The display also fea tures icons which help identifying instrument conditions and opera tional steps making it more intui tive to work with Set temperature The Set temperature feature allows the user to set the exact desired temperature with a resolution of 0 01 Enhanced stability A stability indicator shows when the ATC calibrator has reached the desired temperature and is stable The user may change the stability criteria external reference and the sensor under test quickly and simply The stability criteria is the user s security for a correct calibration A count down timer is displayed next to the temperature read out Instrument setups The ATC series allows the
16. igital cameras or as an input to a data logging device The SYNC output may be useful for automating and documenting your calibrations when calibrating exter nal reading devices Calibration model B only Users may perform or read the results of the calibration tasks directly on the instrument When calibrating an indicat ing device users may key in the results during or after the test Using the Calibration info function the user may view the complete calibration task including the Scenario be fore the calibration takes place Calibration of up to 24 sensors with JOFRA ASM Using the JOFRA ATC series together with the ASM Advanced Signal Multi scanner offers a great time saving automatic solution to calibrate multiple temperature sen sors at the same time The ASM series is an eight channel scanner controlled by the JOFRACAL software on a PC Up to 3 ASM units can be stacked to calibrate up to 24 sensors at the same time It can handle signals from 2 3 and 4 wire RTD s TC s transmitters thermisters tem perature switches and voltage Please also see more in specification sheet SS CP 2360 which can be found at www jofra com JOFRACAL software Minimum hardware requirements for JOFRACAL calibra tion software e INTEL 486 processor e PENTIUM 800 MHz recommended e 32 MB RAM 64 MB recommended e 80 MB free disk space on hard disk prior to installation e Standard VGA 800 x 600 16 colors compatible
17. ion Sheet SS ATC 125 Advanced Temperature Calibrator ATC 125 The ATC 125 ultra cooler is the first dry block calibrator on the market offering the widest temperature range ever for cooling dry blocks from 125 C down to 90 C The unique free piston stirling cooler technology sets new standards for optimum temperature calibrations in frozen and deep frozen applicatons The ATC 125 features a unique technology for optimum performance and superior temperature homogeneity throughout the block at very low tem peratures It has a performance equivalent to a liquid temperature bath and features the widest temperature range for any cooling dry block on the market today The ATC 125 calibrator may be used to perform fully automatic calibra tion routines without using an external computer It is also possible to use the computer for full upload and download capabilities It may also be supplied with inputs for external reference sensors and for sensors under test AMETEK TEST amp CALIBRATION INSTRUMENTS JOFRA calibration Unique temperature performance The ATC calibrator provides precision temperature calibra tion of sensors whatever the type or format This is accom plished through an innovative dual zone technology The JOFRA ATC 125 features dual zone technology Each zone is controlled for precision temperature calibration The homogeneity in the lower part is close to that of a laboratory liquid bath The lo
18. od Where the input measuring range is out of the cali brator s range the SET temperature is either MIN or MAX Transmitter supply Output 24VDC 10 Output Maximum 25 mA Transmitter input mA msc 0 to 24 mA Accuracy 12 months 0 0196 Rdg 0 01596 F S Voltage input VDC nca 0 to 12 VDC Accuracy 12 months 0 00596 Rdg 0 01596 F S Switch input owitch dry contacts Test voltage E Maximum 5 VDC Ji deg n ee epp Maximum 2 5 mA RTD reference input B models only 4 wire RTD with true ohm measurements Accuracy 12 months 0 00196 rdg 0 002 F S 00 5 Note 1 True ohm mea surements are an effective method to eliminate errors from induced thermoelec trical voltages reference JOFRA ro JO o JOININ O O RTD 12 months c F Ptt0o00 130 0 043 0 046 PCT 0055 _ 20 090 190 130 _ 0 079 0142 0 0 087 20 1157 130 a0 051 20 092 0 32 30058 20 104 calibration RTD input 12 months Type TouLlgp 2 wire F S 350 ohm or 2900 ohm Accuracy
19. rter with 4 pcs of RS232 ports 126234 Set of 3 pcs insulation plugs 4mm ref Hole Hole size 6 10 and 15 mm 126240 Set of 3 pcs insulation plugs 1 4 in ref Hole Hole size 6 10 and 15 mm Support rod set Optional 125068 Support rod for sensors to be mounted on all JOFRA dry block calibrators Holds the sensor under test in their position while calibrating Includes 2 sensors grips and 2 fixtures for sensor gribs Carrying case The protective carrying case ensures safe transportation and storage of the instrument and all associated equip ment The carrying case has built in wheels and a handle which ensures an easy and comfortable transportation of the instrument JOFRA calibration PREDRILLED INSERTS FOR ATC 125 4 MM REFERENCE HOLE JOFRA dry block insert compatibility and materials ATC 125 ATC 155 ATC 156 made of aluminum All specifications on hole sizes are referring to the outer diameter OD of the sensor under test The correct clearance size is applied in all predrilled inserts Spare part no for predrilled inserts with 4 mm reference hole Probe diameter 105623 105625 105627 4mm 006 105629 Reference sensor 105631 105633 __ 009 105635 105637 105639 105641 105643 105645 105647 Package of the above inserts M 124697 ATC 125 Set of insulation plugs for 4 mm 126234 reference hole Spare part no for predrilled inserts with 4 mm reference hole
20. se range of foods and cosmetics Davenport Polymer Test Equipment Allows measurement and characterization of moisture sensitive PET polymers and polymer density Chatillon Force Measurement The hand held force gauges and motorized testers have earned their reputation for quality reliability and accuracy and they represent the de facto standard for force measurement Newage Testing Instruments Hardness testers durometers optical systems and software for data acquisition and analysis www jofra com AMETEK Mansfield amp Green North America T 1 800 527 9999 cal info ametek com AMETEK Singapore Pte Ltd Singapore T 65 6 484 2388 aspl ametek com sg AMETEK Inc Beijing Rep Office China T 86 10 8526 2111 jofra ametek com cn AMETEK Instruments India Pvt Ltd India T 91 22 2836 4750 ametek ametek dk AMETEK GmbH Germany T 49 2159 9136 510 info mct de ametek de AMETEK Calibration Instruments UK T 44 0 1243 833 302 jofra ametek co uk
21. ure This is used when it is critical that the tem perature of the calibration zone matches the desired tem perature when measured with accurate external reference sensors This feature is ideal when calibrating gas correctors or other custody transfer applications It is also extremely useful to calculation procedures Reading of sensor under test model B only The ATC series model B is equipped with built in convert ers inputs that enables measurement of virtually any type of temperature sensor including e thermostats e resistance thermometers RTD e thermocouples TC e transmitters e milliamps mA e voltage V The ATC calibrators can be user programmed for com pletely automated temperature calibrations Once the unit is programmed the instrument operates itself by perform ing the configured calibration routine All calibration data is stored and available for uploading and generating exact calibration certificates or reports Switch test model B only Users may perform a thermoswitch test and find Open Closed and the hysteresis deadband automatically The instrument retains the last five tests Auto stepping Up to 20 different temperature steps may be programmed including the hold time for each step Upon completion of an auto step routine the user can easily read the results for the sensor under test Up to five 5 auto step results are stored AUTO STEP SETUP 1 AS Ho of st
22. wer zone ensures optimum temperature distribution throughout the entire calibration zone The upper zone compensates for heat loss from the sensor under test Sensor undar iaat Internal reference Efficient cooling techniques The ATC 125 with both heating and cooling capabilities features the FPSC Free piston stirling cooler as cooling source The FPSC is a Stirling heat pump that uses a small amount helium gas as a heat transport medium instead of standard refrigerants The FPSC has an advantage over traditional cooling systems both in energy efficiency and environmental friendliness These advantages are accom plished using state of the art technology and by virtue of being Freon CFC and HFC free The FPSC has two major moving parts piston and dis placer that oscillate in a linear motion along the same axis within a single cylinder which is installed in a stain less steel casing The piston repeatedly compresses and expands the helium gas to cool the tip cold head of the extended part of the casing The FPSC can be used to cool an object down to a temperature between 50 C and 100 C at an ambient temperature condition of 23 The FPSC has a high efficiency It can be as much as 6 times higher than thermoelectric Peltier coolers MVI Improved temperature stability MVI stands for Mains power Variance Immunity Unstable mains power supplies are a major contributor to on site calibration inaccuracies
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