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Isotech VENUS 4951 BASIC, Maintenance Manual

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Isothermal Technology Limited, Pine Grove, Southport, Merseyside, PR9 9AG, England 

Telephone: +44 (0)1704 543830  Fax: +44 (0)1704 544799  Email: [email protected]  Website: www.isotech.co.uk 

  

 Venus 4000 Series 02-04/17

 

 

 

 

 

 

    

 

  

 

    

User Maintenance Manual 

VENUS 4951 BASIC & SITE 

  
 

 

 

 

 

 

 

 

 

 

 

 

 

  

 
 
 

 
 

 
 

  

 

 

 

 

 

 

Summary of Contents for VENUS 4951 BASIC

Page 1: ...ited Pine Grove Southport Merseyside PR9 9AG England Telephone 44 0 1704 543830 Fax 44 0 1704 544799 Email info isotech co uk Website www isotech co uk Venus 4000 Series 02 04 17 User Maintenance Manu...

Page 2: ...IS GUARANTEE INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE The company is always willing to give technical advice and assistance where appropriate Equ...

Page 3: ...C OPERATION 14 10 3 SITE OR SELF CONTAINED CALIBRATORS 14 10 4 EXTERNAL STANDARDS BASIC 15 10 5 ADVANCED CALIBRATORS 15 11 MODE OF OPERATION 16 11 1 METAL BLOCK BATH 16 11 2 BLACKBODY SOURCE 16 11 3 S...

Page 4: ...8 1 Units 26 14 9 INDICATOR OPERATION 26 15 CALIBRATION DATA EXAMPLE 27 15 1 CONNECTING A 4 20MA CURRENT TRANSMITTER 27 15 2 USING THE CURRENT LOOP INTERFACE 935 06 161 WITH THE SITE MODEL 29 15 3 TES...

Page 5: ...u are advised after unpacking the unit to inspect it for any sign of shipping damage and confirm that your delivery is in accordance with the packing check list If you find any damage or that part of...

Page 6: ...se yourself with all warnings hazards and safety information Regularly inspect the equipment accessories and electrical leads Do not use if there is any sign of damage Keep the equipment clean only us...

Page 7: ...ual before use IEC 417 Caution hot surface risk of burn O Off l On Waste Electrical and Electronic Equipment WEEE directive symbol Complies with European regulations CE mark USB symbol Ethernet RJ45 s...

Page 8: ...lease familiarise yourself with the parts of the manual relevant to your model Your unit s supply voltage requirement is specified on a label on the instrument along with the serial number Only connec...

Page 9: ...h a protective earth If using an alternative cord ensure it is of adequate rating If fitting a plug to the cable we have supplied the cable is colour coded as follows Colour Function Green yellow Eart...

Page 10: ...ic Compatibility EMC 89 336 EEC as amended by EC Directive 92 31 EEC and the European Low Voltage Directive 73 25 EEC amended by 93 68 EEC To ensure emission compliance please ensure that connecting l...

Page 11: ...rained about the selection and use of liquids over a wide temperature range It is expected that personnel using this equipment will be competent with the management of apparatus which may be powered o...

Page 12: ...ee space above the unit to avoid risk of burn or fire The equipment should only be used indoors Site in a way that allows access to the power switch and to allow the cable to be disconnected Avoid exc...

Page 13: ...13 9 Consider The Environment The equipment should be recycled or disposed of in a proper way following the Waste Electrical and Electronic Equipment WEEE directive...

Page 14: ...he block when the set temperature is lower than the block temperature 10 1 Comparison Calibration By definition one compares industrial thermometers to a calibrated standard There are three methods co...

Page 15: ...e indicator may be used with a range of blocks This method also meets ISO9000 requirements 10 5 ADVANCED Calibrators The ADVANCED model includes an indicator with channels for both the test thermomete...

Page 16: ...average values accordingly 11 2 Blackbody Source The Blackbody Target Kit 951 06 04 can be added for simple calibration on infrared thermometers Place the target into the well with the supplied therm...

Page 17: ...port Kit part number 921 02 06 allows thermometers with a diameter of 2 to 6 5mm to be suspended in the liquid b The Sensor Guide which fits into the tank and can support a number of thermometers part...

Page 18: ...ch Once the Power lead is connected this switch will power up and down the equipment 3 Fuse carrier and window showing fuse rating With the mains cable disconnected the fuse carrier can be removed for...

Page 19: ...emoved for the inspection or replacement of the fuse The fuse rating is displayed through the window 4 PRT input socket These allow for the connection of external Platinum resistance thermometers Warn...

Page 20: ...l Liquid Bath Mode 0 02 C Uniformity Lower 40mm Axial As Liquid Bath Mode 0 026 C Cools from 140 C to 0 C in 15 minutes Heats from 30 C to 140 C in 15 minutes Best Performance See Graph refer to Secti...

Page 21: ...raphs 13 1 Heat Up Cool Down 13 2 Sigma Uncertainties Best uncertainty using Basic model with a TTI 2 and a 935 14 82 calibrated system Site version uncertainty Site model using built in indicator at...

Page 22: ...e it is advantageous to limit the heating or cooling rate An example might be when testing bimetallic thermostats by forcing the Dry Block to heat at a controlled rate it is easier to determine the te...

Page 23: ...e that can be modified with the UP and DOWN keys 14 3 Monitoring The Controller Status A row of beacons indicate the controllers status as follows OP1 Heat Output OP2 Cool Output only for models which...

Page 24: ...ith three wire PRT connections ensure identical lead resistance in all three legs of the connection by using the same length and gauge of cables 14 5 3 Connecting Thermocouples Set the input type to s...

Page 25: ...tion can make a significant difference to the accuracy of the instrument and this REM beacon provides a clear and continuous indication of the calibration status Isotech will configure and set user ca...

Page 26: ...e points contain data pairs First the temperature point and secondly the Error offset at this temperature point Isotech Dry Block calibration certificates will show the values to suit a particular sen...

Page 27: ...The transmitter should be powered externally a 2 49 Ohm current sense resistor is fitted internally to the equipment and this allows the indicator to read mA input To scale the linear to display temp...

Page 28: ...28...

Page 29: ...Connect the Transmitter to the equipment as shown in the above image Note do not connect 935 06 161 via the PRT socket The Current Loop interface has built in resistance and does not require the inter...

Page 30: ...eversal of the polarity for the Switch Contact feature 1 Enter Configuration level on the temperature Indicator as described in INDICATOR OPERATION 2 Press the PAGE button to enter IO 1 3 Press the Sc...

Page 31: ...calibration baths may be connected together in a daisy chain configuration and then linked to a single RS232 see diagram Note The RS 422 standard specifies a maximum lead length of 1200M 4000ft A tru...

Page 32: ...the milliK or TTI 10 The software requires Windows 9X XP a minimum of 5Mb of free hard drive space and free serial ports for the instruments to be connected 17 1 Development Cal Notepad was developed...

Page 33: ...ally if a license is purchased it allows for fully automatic calibration including certificate printing and the calculation of coefficients Refer to the Isotech I Cal EASY handbook and help system for...

Page 34: ...revious configuration E CaL Calibration error Re instate Factory calibration refer to Isotech E2 Er EEPROM error Return to Isotech for repair EE Er Non vol memory error Note the error and contact Isot...

Page 35: ...nGL Process Value Low Limit 0 00 Config IP Name Description Value inPt Linearisation Type RTD CJC CJC Type EXT imP Sensor break impedance AUTO 1 Config CAL Name Description Value UCAL User Calibration...

Page 36: ...Ltch4 Alarm 4 Latching NO 0 Config HA Name Description Value id Module Identity CMS 7 Func Module Function CMS 65 bAud Baud Rate 9600 0 Prty Comms Parity NONE 0 rES Comms Resolution FUL 0 Config 1A N...

Page 37: ...eter Support Kit 921 02 06 Gantry 921 02 07 Blank Disc 951 02 20A Drilled Disc 951 02 20 3 x Gantry Plugs 820 20 24 3 x O Seals 932 12 49 Option 4 Blackbody target 951 06 04 Option 5 Surface Sensor In...

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