1030 User Manual - Time Electronics
Contents
1. Time Electronics 1030 MicroCal Voltage amp Current Source Technical Manual Time Electronics Ltd Botany Industrial Estate Tonbridge Kent TN9 1RH Tel 44 0 1732 355993 Fax 44 0 1732 770312 Email mail TimeElectronics co uk Web Site www TimeElectronics com V3 2 01 11 10 2 Contents Le niero KeA dK Ascii iciviccixeciviecisccdientiectiecteceeieronceaveroncedtensecetunens cebvenn conieancctiennvenes 3 1 1 General Desorlptlon x ccicicctcc cicero ee 3 2 SIDE CIL Ca LIONS ier iosiea clesiesesesetesed weet 05 0s Oe Go ees oH OS eH ea E a EAT REA COULSON 4 2 1 Ordering Information and Optional Extras cccccccsssesssseeeeeeeeseeeeeeeeeees 5 SB E oaie E 6 3 1 Controls Diagram and Key ccssseeeeeeeeeseeeeeeeeeeeeeeeeseeeeeeeeeeeeeneeeeeeeenneees 6 3 2 Description of Controls ice sc ccedssecascenicsctedeiedarsseacsocedeiederaisessactacceneesateeerees 7 Phen gt SDS ATION EA adc A AE A AE AA A a A Reka 8 4 1 Voltag Ranges siia ede aa eisena araara aai Ea aane 8 4 2 Output Voltages above 1V 22 cccssceeeseeeeeeeeeeeeeeeeneeeeeeeeesaneeseeeeeeeneeeeeeeeneeees 8 4 3 C rre t PRAM CS io iecices silences Setters tees ee dec area aeaa raakana iaaa aana Eiaeia odaia 9 4 4 Output Resistance siccscsciceciic acces aceon iets cee ech 9 5z SPDT INS er etivciceeresvesiceeereneccice ex ea eclcacoecet ace oa us euler EE E Oa oe eae ea en eC 10 5 1 Four Terminal Resistance Measurements ccccc2. 69 553 Type R Pt Pt 13 RH 10 506 11 850 13 228 14 629 16 040 17 451 18 849 20 222 Type B Pt30 RH Pt6 RH 4 834 5 780 6 786 7 848 8 956 10 099 11 263 12 433 13 591 Type S Pt10 RH Pt 9 587 10 757 11 951 13 159 14 373 15 582 16 777 17 947 Type N NiCr NiSi 36 256 40 087 43 846 47 513 1030 Technical Manual Page 11 12 6 Battery Replacement amp Recharging The battery capacity for rechargeable types is approx 110mAH whereas non rechargeable types are approx 7OMAH The 1030 circuitry takes 2mA and will operate over a battery voltage range of 7 12 volts The battery life is primarily dependent on the output current used With low output currents battery life can exceed 60 hours but when driving a 100mA output current battery life is reduced to about 50 minutes The battery should be replaced or recharged when the font panel battery level indicator fails to register in the green section of the scale The life of Ni Cad batteries is considerably reduced if they are subject to excessive discharging caused by operating the instrument with an insufficient reading on the battery level indicator To replace the battery unscrew the four screws in the rear cover of the instrument The battery is visible above the main P C B See Fig 1 Carefully remove the old battery and insert the new one Screw the rear cover back on and
3. 4 6 Position rotary switch Selects range and turns instrument on 5 10 turn potentiometer Selects required output 6 Potentiometer lock Right position is free left is locked 7 Battery level indicator Warns of battery failure 8 Recharge socket For recharging Ni Cad cell if fitted 1030 Technical Manual Page 6 3 2 Description of Controls 1 2 Output Terminals Output Voltage and Current is available on two front panel terminals which are suitable for either wire compression or 4mm wander plug insertion 3 Polarity Switch Normal or reverse polarity is selected by a toggle switch The centre position is OFF which provides an open circuit on the output terminals 4 6 way Position range switch Switch Position Switch Function 1 OFF Voltage Ranges 2 0 1V 1mV resolution 3 0 100mV 100uV resolution 4 0 10mV 10uV resolution 0 8V 10mV resolution using external precision 1Kohm resistor included Current Ranges 5 0 100mA 100uA resolution 6 0 10mA 10UA resolution 5 10 Turn fine adjust dial Scaled 0 100 Linearly output from 0 100 of select output range located on the top side of the 1030 6 10 Turn dial potentiometer lock Enables the output to be temporary locked 7 Battery Level Indicator Located on the top side of the 1030 this continuously monitors the battery voltage A minimum mark indicates when the batteries require
4. 0 000 1 000 1 489 2 023 3 059 4 096 Type T Cu Con 3 379 1 819 0 940 0 000 0 992 1 486 2 036 3 132 4 279 Type J Fe Con 0 000 1 277 1 902 2 585 3 918 5 269 Type R Pt13 RH Pt 0 123 0 000 0 141 0 214 0 296 0 466 0 647 Type B Pt30 RH Pt6 RH 0 000 0 002 0 002 0 002 0 014 0 033 Type S Pt10 RH Pt 0 127 0 000 0 143 0 216 0 299 0 467 0 646 Type N NiCr NiSi 0 646 0 000 0 659 0 983 1 340 2 045 2 774 Temp C 150 C 200 300 400 C 500 600 C 700 800 900 C T C TYPE mV mV mV mV mV mV mV mV mV Type K NiCr NiAl 6 138 8 138 12 209 16 397 20 644 24 905 29 129 33 275 37 326 Type T Cu Con 6 704 9 288 14 862 20 872 Type J Fe Con 8 010 10 779 16 327 21 848 27 393 33 102 39 132 45 494 51 877 Type R Pt Pt 13 RH 1 041 1 469 2 401 3 408 4 471 5 583 6 743 7 950 9 205 Type B Pt30 RH Pt6 RH 0 092 0 178 0 431 0 787 1 242 1 792 2 431 3 154 3 957 Type S Pt10 RH Pt 1 029 1 441 2 323 3 259 4 233 5 239 6 275 7 345 8 449 Type N NiCr NiSi 4 302 5 913 9 341 12 974 16 748 20 613 24 527 28 455 32 371 Temp C 1000 C 1100 C 1200 C 1300 C 1400 C 1500 C 1600 C 1700 C 1800 C T C TYPE mV mV mV mV mV mV mV mV mV Type K NiCr NiAl 41 276 45 119 48 838 52 410 Type T Cu Con Type J Fe Con 57 953 63 792
5. MODULE gt 11 Turn the output adjustment pot to full scale and adjust the full scale calibration trimmer until the DVM reads 100mV The full scale for the instrument is then set up correctly The other ranges do not normally require calibration and therefore are not fitted with trimmers Should calibration become necessary adjust or replace the resistors listed below 10mV F S R6 10mA F S R9 100mA F S R5 12 The instrument can now be reassembled 1030 Technical Manual Page 14 15 8 Maintenance and Repair 8 1 Dismantling the Instrument Remove rubber protection boot and then removal of four 6BA screws enables the cover to be taken off which provides access to all parts of the instrument 8 2 Battery Replacement Remove protection cover and then removal of four screws enables the cover to be taken off which provides access to the battery lift battery out of holder and careful disconnect battery connector connect new battery and replace into case replace case cover and recheck battery level 8 3 Repair NOTE No repair work should be undertaken by the customer while the instrument is under warranty as such work may render the warranty invalid Certain of the precision components used in this instrument are not readily available and make repairs by the customer difficult if these components are damaged Overload conditions can cause a unit failure which will be indicated by one of the follow
6. recharging 8 Recharge Socket The mains recharger is a separate unit the output of which is supplied via a flying lead fitted with a non reversible plug Recharge time is between 12 and 14 hours CAUTION UNDER NO CIRCUMSTANCES MUST AN ADDITIONAL VOLTAGE BE CONNECTED IN SERIES WITH THE OUTPUT OF THE 1030 IN AN ATTEMPT TO INCREASE THE VOLTAGE CAPABILITY AS THIS WILL CAUSE DAMAGE TO THE OUTPUT CIRCUITRY 1030 Technical Manual Page 7 4 Operation 4 1 Voltage Ranges Suggested operation procedure is as follows Select Off position on output switch Turn on and select required range Check battery level indicator for high enough reading see Battery Replacement Select required output on the ten turn potentiometer which can then be locked by pushing the lever at the bottom to the left The ten turn potentiometer linearly adjusts the output from zero to full scale on any range The number of complete turns is displayed in the dials window parts of a turn are red on the inner scale calibrated 0 9 with 100 divisions using the red indent as a pointer EXAMPLE To set 56 2mV 1 Select 100 mV range 2 Turn dial until 5 appears in the centre of the window 3 Set inner scale to 6 2 The table below shows the effect of the dial on each range Range 1 Turn 1 10 of a Turn 1 Division 1 100 Voltage Output 1V 100 mV 10 mV 1 mV 100 mV 10 mV 1 mV 100uV 10 mV 1 mV 100uV 10uV Current O
7. test the battery condition BATTERY Fig 1 To recharge a Ni Cad battery it is recommended that the instrument is turned off in order to reduce charging time to the 15hrs minimum The charger is then plugged into the recharge socket on the back Note that it is NOT necessary to remove the battery to recharge it The battery will not be overcharged if the recharger is connected continuously The charger is of the constant current type and should only be used when recharging the internal Ni Cad battery The Ni Cad battery can also be recharged from a 12V D C supply by connecting the 1030 recharge socket to the 12V D C supply via a 300 Ohm 1 4 watt resistor If it is required to power the 1030 from an external source remove the internal battery and connect a 9 volt DC constant Voltage Power Unit into the recharge connector Note that the output is not isolated from the charger socket By powering the 1030 from an external source it is possible to increase the voltage limit on the current ranges to 12 volts 1030 Technical Manual Page 12 7 Calibration The instrument is calibrated before it leaves the factory and the calibration controls will not normally require adjustment If re adjustment is considered necessary and the trimmer range is found to be insufficient for recalibration there is a fault with the instrument To calibrate the instrument a DVM of 0 1 accuracy is required It should also be capable of
8. 3 Battery 1 1 General Description The 1030 is a compact low cost portable voltage and current calibrator for general purpose signal injection Three voltage ranges give adjustable output from 10uV to 1V and two current ranges give 10uA to 100mA The output is scaled directly and is varied by a high quality 10 turn dial The 1030 is simple to operate and does not require any standardisation prior to use The user need only switch on check the battery condition select the required range and output The unit is powered from internal batteries and is supplied with a carry case making the 1030 ideal for field or site use The 1030 is supplied with a leatherette carry case 1030 Technical Manual Page 3 2 Specifications Voltage Ranges Current Ranges Accuracy 1 Volt range 100mV range 10mV range 100mA range 10mA range 8 Volt range Linearity Temp Coeff Noise Battery Battery Condition Output Polarity Maximum Output Current 1V 100mV Ranges 10mV Range Maximum Output Voltage Current Ranges Output Protection 0 1V 1mV resolution 0 100 mV 100uV resolution 0 10 mV 10uV resolution 8 Volts 10mV resolution using external precision 1KQ resistor supplied 0 100mA 100A resolution 0 10mA 10A resolution 0 1 of FS 30uV 0 1 of FS 3yV 0 2 of FS 0 3yV 0 2 of FS 3A 0 2 of FS 0 3pA 0 3 of FS 0 15 of settin
9. csssesseeeeeeeeeeeeeeeeeeeees 10 5 2 Thermocouple Simulation sscceeeeeeeeeeeeeeeeeeeeneeeeeeeeeeaaeeeeeseeeeeeeeeeeeeeeneees 11 6 Battery Replacement amp Recharging cccccccccccecensseeeeeeecceeeeeeseeeeeeeeess 12 Ta ANDES OM siecexieccaecenesicaeceneacaecexcaceecenedcuecenedekecenudcnedenedcerenuceuecenedeeereneceeecats 13 7 1 Preparing for calibration assssesnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nanna 13 7 2 Module and Trimmer LoCation cccccccceseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeees 14 8 Maintenance and Repair sssssessssssesssssceressserrsssserssssseressseeressseesssseeeesss 15 8 1 Dismantling the Instrument ssssssnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 15 8 2 Battery Replacement i1 4 06 cnc ee nie ede 15 id TRG E ccs esc fsa ech Seca en wes dees es ess deepen deen eaten deen cece en east 15 9 Guarantee amp SErViciNg ceccccccsssscccccsssesccecneesecceesesesccesseeesccesseescesseaeeses 16 All Time Electronics instruments are subject to continuous development and improvement and in consequence may incorporate minor detail changes from the information contained herein 1030 Technical Manual Page 2 1 Introduction e 3 Voltage Ranges up to 1 Volt e Extremely Compact OUTPUT Time Electronics RANGE e 2 Current Ranges up to 100 mA e 0 1 Accuracy CRU O OUTPUT ADJUST ST e Uses a single PP
10. ectronics 1030 Technical Manual Page 16
11. g 150 ppm of FS C Outside 18 to 28 C 30 ppm of full scale 9V PP3 type Approx 60 hours life depending on output current Nicad rechargeable available as an optional extra Continuously monitored by front panel indicator Positive or Negative switch selectable A centre Off position is also provided which shorts the output terminals together Typically 20 mA Up to short circuit value although it should be noted that loads of less than 1k ohm will give greater than 0 1 error 8V The 1030 can withstand continuous short circuit or open circuit on all ranges 1030 Technical Manual Page 4 5 Output Resistance 0 2 ohm on 1V and 100mV ranges Dimensions Carry Case 10 ohm on 10mV range 1K ohm when using the current shunt resistor 115mm x 62mm x 55mm A black carry case is supplied 2 1 Ordering Information and Optional Extras Order Code 1030 1031 1032 9155 9110 Description MicroCal Combined Voltage and Current Source Rechargeable Battery Pack NiCad Battery and 240V Mains Charger Rechargeable Battery Pack NiCad Battery and 110V Mains Charger Factory NPL Traceable Calibration Certificate UKAS Calibration Certificate ISO 17025 1030 Technical Manual Page 5 3 Controls 3 1 Controls Diagram and Key 1 Black 4mm terminal Negative output terminal 2 Red 4mm terminal Positive output terminal 3 3 Position switch Selects Normal Off Reverse output
12. ing conditions a Instrument inoperative and battery level indicator at zero b Battery level indicator displaying but no output at the output terminals 1030 Technical Manual Page 15 16 9 Guarantee amp Servicing Guarantee Period This unit is guaranteed against defects in materials and workmanship for a period of one year from its delivery to the customer We maintain comprehensive after sales facilities and the unit can if necessary be returned to us for servicing During this period Time Electronics Ltd will at its discretion repair or replace the defective items For servicing under guarantee the instrument type and serial number must always be quoted together with details of any fault and the service required The purchaser of the instrument must prepay all shipping charges Time Electronics Ltd will pay return shipping charges This guarantee is void if servicing has been attempted by an unauthorised person or agent If during the guarantee period failure is due to misuse or abuse of the unit the repair will be put in hand without delay and charged unless other instructions are received Please note that if you require a new UKAS Certificate during the warranty period this will be charged at the current rate on our price list Service After Guarantee Period Even after the guarantee period has expired Time Electronics Ltd can still service your instrument As the manufacturer we have the specialised
13. ions 5 1 Four Terminal Resistance Measurements Accurate measurements of low ohm values such as P R T can be performed by using the 1030 as a current source and measuring the voltage across the LOAD with a DVM From Ohms Law V l R Resistance vs Temperature Relationship for Platinum Resistance Thermometer Detector Element DIN 43760 CREES 80 130 80 600 313 59 660 332 66 80 68 33 460 267 49 720 351 30 9 100 00 Typical connections for 2 3 amp 4 wire Resistance Thermometers 1 A Red 3 C Red D 1 A Red 2 B White 2 B White Pt 100 2 Pt 100 3 3 C Red 5 E Blue 1 A Red 6 F Blue 1 A Red 2 B White z 4 D White 2 B White Pt 100 4 Pt 100 4 Coil Using this technique the current passed through to the resistor can be limited to a known value and lead resistance does not effect the accuracy of the readings 1030 Technical Manual Page 10 5 2 Thermocouple Simulation The 10mV range of the 1030 is ideal for simulation of all types of thermocouple Just find the voltage required from the British Standard tables common values given below and set up on the 1030 s dial Do not forget to allow for the Cold Junction temperature Thermocouples Temperature tables ITS90 Temp C 100 C 50 C 25 C 0 C 25 C 37 C 50 C 75 C 100 C T C TYPE mV mV mV mV mV mV mV mV mV Type K NiCr NiAl 3 554 1 889 0 968
14. knowledge needed to keep your instrument in peak condition and we also maintain a comprehensive spare parts service Please enclose details of the service required and your full company details including a contact name when returning for servicing Returning Instruments When returning instruments please ensure that they have been adequately packed preferably in the original packing supplied Time Electronics Ltd will not accept responsibility for units returned damaged Please ensure that all units have details of the service required and all relevant paperwork Send the instrument shipping charges paid to Time Electronics Ltd Botany Industrial Estate Tonbridge Kent TN9 1RH Tel 44 0 1732 355993 Fax 44 0 1732 770312 Email mail TimeElectronics co uk Web Site www TimeElectronics com Disposal of your old equipment 1 When this crossed out wheeled bin symbol is attached to a product it means the product is covered by the European Directive 2002 96 EC 2 All electrical and electronic products should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities 3 The correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health PY 4 For more detailed information about disposal of your old appliance please contact your city office waste disposal service or return to Time El
15. measuring 10mV with 10uV resolution 100mV with 10uV resolution 1V with 100uV resolution 100mA with 100UA resolution 10mA with 10UA resolution Calibration is carried out on the full scale and zero of the 100mV range By correctly calibrating this range the other ranges are also calibrated 7 1 Preparing for calibration 1 Turn instrument out Off 2 Switch to 100mV range 3 Remove cap from top of range switch knob and loosen the screw inside The range switch knob should then be removed 4 Undo the nut which attaches the output switch to the body of the 1030 5 Carefully unscrew the rear cover 6 The main P C B can now be gently eased out of the case 7 If the module is to be replaced it can be unplugged now and the new one fitted The 1030 will then need to be recalibrated 8 The full scale calibration trimmer is next to the module on the left looking down at the P C B from the component side The zero calibration trimmer is ina corresponding position on the right of the P C B see Fig 2 9 Plug the DVM into the output terminals and turn the output switch to Normal 10 Turn the output adjustment pot to zero The 1030 s output will not go negative so the ZERO trimmer should be set by first adjusting for a positive output then slowly turning back to zero The zero for the instrument is then set up correctly 1030 Technical Manual Page 13 7 2 Module and Trimmer Location Fig 2 wt oa CAL ZERO
16. utput 100 mA 10 mA 1mA 100 uA 10 mA 1mA 100 uA 10 uA NOTE 0 001V imV 1000uV 0 001A 1mA 1000UA 5 Switch output to Normal or Reverse as required 4 2 Output Voltages above 1V To use the 8V range connect the supplied 1K ohm resistor across the output terminals and switch to the 10mA range The 1030 will act as a voltage source the output being adjusted with the 10 turn dial with a scale of 1 volt per turn up to a maximum of about 8 volts with a good battery This allows the output to be set between OV and 8V with a 10mV resolution and an accuracy of 0 3 of full scale 1030 Technical Manual Page 8 4 3 Current Ranges On the current ranges the drive voltage available at the terminals is governed by the battery voltage Care should be taken not to exceed the 1030 voltage limit as large errors will result if the load current product exceeds the 1030 8V drive capability This can easily be checked by either measuring the voltage across the 1030 s terminals when under load or by checking that R x I is less than 8 volts 4 4 Output Resistance The table below illustrates how the voltage appearing at the output terminals of the calibrator will be affected by load resistance Ratio of Load Resistance to Calibrator Error in selected Output Resistance Output Voltage 1 000 1 0 1 100 1 1 0 10 1 9 0 1 1 50 0 1030 Technical Manual Page 9 5 Applicat
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