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Reference manual

Digital Temperatur Indicator

Jofra DTI-1000 A/B

Содержание DTI 1000

Страница 1: ...Reference manual Digital Temperatur Indicator Jofra DTI 1000 A B...

Страница 3: ...as well Safety symbols This manual contains a number of safety symbols designed to draw your attention to instructions which must be followed when using the instrument as well as any risks involved Wa...

Страница 4: ...ecking sensor coefficients 23 5 2 7 Mode 27 6 0 Technical specifications 28 7 0 Maintenance and display error messages 30 7 1 Maintenance 30 7 2 Changing batteries 30 7 3 Display and error messages 31...

Страница 5: ...te that we would be very interested in hearing from you if you have any ideas or suggestions for changes to our products This reference manual applies to the following products DTI 1000 A DTI 1000 B I...

Страница 6: ...LIED AND AMETEK HEREBY DISCLAIMS ALL OTHER WARRANTIES INCLUDING WITHOUT LIMITATION ANY WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY AMETEK SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR...

Страница 7: ...ng The indicator must not be used for any purposes other than those described in this manual as it might cause a hazard The indicator has been designed for indoor use only and is not to be used in wet...

Страница 8: ...5 04 2017 08 10 7 Caution When connecting the PC and the indicator please ensure that both the PC and the indicator are switched off at the mains Failure to do so may result in your equipment being da...

Страница 9: ...the correct coefficients for each channel in the DTI are equal to those from the sensors calibration certificate see section 5 2 6 How to install new sensor coefficients can be found in section 8 2 3...

Страница 10: ...124745 04 2017 08 10 9 4 0 Functionality Overview...

Страница 11: ...ription 1a Sensor 1 connections 1b Sensor 1 connections 2a Sensor 2 connections 2b Sensor 2 connections 3 Ground terminal for cable shields 4 Display with 2 20 characters 5 Soft keys 6 RS232 connector...

Страница 12: ...nsors or as the differential peak value for the two sensors The input value can be shown in C F or K selected by the user The resolution in temperature can be 0 1 0 01 or 0 001 The sensor coefficients...

Страница 13: ...nel where 2 of the soft keys have a double function Switch ON or switch OFF the DTI Please press down the key at least 0 2 seconds in order to switch on the unit MENU toggles between the menus Mode Un...

Страница 14: ...late Power and communication cables have to be connected on the back plate Top plate connections Back plate connections Connections for sensors where channel 1 is shown Please note that the LEMO conne...

Страница 15: ...14 2017 08 10 124745 04 Ground terminal for shield on the signal cables Power input for mains adapter 9VDC 200mA Connector for RS232C interface RS 232 9VDC 200 mA...

Страница 16: ...F Humidity 0 to 90 Protection class IP20 Warning The indicator must not be used for any purposes other than those described in this manual as it might cause a hazard The indicator has been designed f...

Страница 17: ...nsor should be connected to the terminals as shown in the figure below Use the ground terminal see the figure Overview section 4 pos 3 for the cable shields in order to reduce noise The connector type...

Страница 18: ...has been switched on and is removed by pressing the key Menu Enter or Reset Select The DTI is still able perform accurate measurements a little while longer The batteries are placed in the two battery...

Страница 19: ...occur which is described in section 7 3 The next message shown in the display will be SELF CALIBRATION AND TESTING 2 In this step the A D converter is calibrated which approximately takes 1 second Wh...

Страница 20: ...is no input signal or it is outside the measuring range a hyphen will be shown for that specific channel 5 2 3 Reset Use the softkey RESET Select in order to reset the peak values in the selected dif...

Страница 21: ...T SELECTION MENU READ OUT MODE UNIT C T1 23 65 C T2 23 60 C UNIT F T1 74 57 F T2 74 48 F UNIT R1 109 210 R2 109 191 UNIT K T1 296 80 K T2 296 75 K Use the softkey Menu ENTER to select the specific rea...

Страница 22: ...g message will be shown in the display RESOLUTION 0 01 Use the softkey Reset SELECT to scroll between following types of resolution RESOLUTION SELECTION MENU READ OUT MODE RESOLUTION 0 01 T1 23 65 C T...

Страница 23: ...can be longer than sample rate to the display if a resolution above 0 1 is selected The sample rates for the different resolutions are shown below Resolution 0 1 0 01 0 001 Sample period 2 s 3 s 12 s...

Страница 24: ...be shown in the display SENSOR 1 9402244 R0 1 0000000E 02 Use the softkey Reset SELECT to scroll through the coefficients example with both sensors using default coefficients SENSOR 1 9402244 SENSOR...

Страница 25: ...low 0 C Above 0 C If ITS 90 coefficients is used for the sensor the following message will be shown in the display CH1 9402244 RTPW 1 0000000E 02 Use the softkey Reset SELECT to scroll through the coe...

Страница 26: ...9402244 CH2 9402245 bLR 0 000000E 00 bLR 0 000000E 00 CH1 9402244 CH2 9402244 cLR 0 000000E 00 cLR 0 000000E 00 CH1 9402244 CH2 9402245 aHR 0 000000E 00 aHR 0 000000E 00 CH1 9402244 CH2 9402245 bHR 0...

Страница 27: ...enu Use the table below to convert ITS90 coefficient nomination to DTI 1000 nomination ITS90 Subrange 3 4 5 6 7 8 9 10 11 DTI 1000 coefficient aLR a3 a4 0 bLR b3 b4 0 cLR c3 0 0 aHR a5 a6 a7 a8 a9 a10...

Страница 28: ...r to change the reading you must press the softkey MODE to scroll between following types of read out READ OUT MODE T1 23 65 C T2 23 60 C DIFF T1 T2 0 05 C T1MAX 23 66 C T1MIN 23 64 C T2MAX 23 61 C T2...

Страница 29: ...1000 B 6 ppm rdg 0 7 m 12 months use Measuring current 1mA 18 duty cycle Temperature coefficient 0 8 ppm C outside 23 3 C 73 4 5 4 F Temperature resolution 0 1 0 01 0 001 Units C F K Supply 8 pcs 1 5...

Страница 30: ...ontrolled environment electromagnetic environment as defined EN61326 1 2013 Additional data directives observed The following standards are observed according to the EMC Directive 2014 30 EU EN 61326...

Страница 31: ...e the software in order to re coefficients for sensors calibrate change the sensor coefficients see section 8 0 Re calibration of DTI Use the calibration routines in the references or analog out softw...

Страница 32: ...Display message Meaning Action BATTERY LOW Battery voltage low PRESS ANY KEY Change batteries section 7 2 No sensor connected to input T1 C or measuring input outside T2 C range Downloaded coefficient...

Страница 33: ...o set internal reference resistor values to default values if odd values have been downloaded RTD input adjustment Use this feature to calculate and download new values for internal reference resistor...

Страница 34: ...000 Microsoft Windows ME Microsoft Windows XP System font MS Sans Serif and Arial 8 2 Installing the AmeTrim ATC DTI Software The software comes on a CD ROM and is ready to run no installation is requ...

Страница 35: ...d the indicator switched on see section 8 2 1 The ATC must not be performing any tasks like switch test auto step or workorders That means that the ATC must be in the main menu before starting the sof...

Страница 36: ...box and press Connect If the DTI is not switched on or is not connected to the selected port then the software returns to the AmeTrim adjustment software main menu As the software starts it detects t...

Страница 37: ...oad values for new reference sensors In addition to the equipment already described in sections 8 1 and 8 2 1 you also require the calibration certificate for the new reference sensor In DTI main menu...

Страница 38: ...124745 04 2017 08 10 37...

Страница 39: ...nd type in the coefficients from the Calibration Certificate supplied with the reference sensor When all the values from the Calibration Certificate have been entered click Download values When the va...

Страница 40: ...nd downloading new values for the internal reference resistors For adjusting the internal reference resistors you need the following DTI 100 DTI 1000 DTI 1000 A 50 ohm resistor 350 ohm resistor DTI 10...

Страница 41: ...for New low reference value and New high reference value have stabilized approx 2 minutes and press Lock new values to stop the measurement The locked values can now be downloaded to the DTI or cancel...

Страница 42: ...r earlier This option allows you to adjust the analog output of the DTI 1000 For adjusting the analog output you need a voltmeter 0V to 5V range with 0 1mV resolution and an accuracy of 0 1 mV After e...

Страница 43: ...42 2017 08 10 124745 04 Measure the output voltages of the two analog outputs enter the values and press Next...

Страница 44: ...124745 04 2017 08 10 43 Repeat the measurement of the output voltage for high output enter the values and press Next Press Yes to download calibration date and then Exit to return to the main menu...

Страница 45: ...Setup Printer This option provides a standard Windows procedure which enables you to edit the settings for the current printer or change to another printer If you are unsure how to use these settings...

Страница 46: ...n the harshest environments most products carry an IS IP67 and DNV rating Lloyd Materials Testing Materials testing machines and software that guarantees expert materials testing solutions Also coveri...

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