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COMTEST User Guide

15

Version. 3.1 November 2003

IMPACT

Scotland, United Kingdom

Non-standard Cylinder

Enter the sample height and diameter sizes. See Section 1.6

Non-Standard Cube

Enter the sample height, width and depth dimensions. See
Section 1.6

Beam Block

Enter the sample length, width and depth dimensions. See Section 1.6

2.4 Display Reset Function

This function achieves 2 objectives:

•

It stores current test set-up and results information into a special log space in non -

volatile memory. This allows COMTEST to remember previous test results as new
ones are carried out. In order to calculate Stress, COMTEST requires that data be
logged first.

•

Releases the Maximum Hold lock on the display. This results from capturing the

load level at the point of sample failure - Section 2.

COMTEST Sample
Height 100mm
Width 100mm
Depth 100mm

COMTEST Sample
Length 100mm
Width 100mm
Depth 100mm

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Содержание CT415

Страница 1: ...User Guide User Guide 3000kN Compression Machine CT415 Impact Test Equipment Ltd www impact test co uk www impact test com...

Страница 2: ...t Ltd Building 21 Stevenston Ind Est Stevenston Ayrshire KA20 3LR T 01294 602626 F 01294 461168 E sales impact test co uk Test Equipment Web Site www impact test co uk Test Sieves Accessories Web Site...

Страница 3: ...C serial port configured as 9600 baud 8 bits 1 stop and no parity for test printout or dumping the results directly to a computer z Memory for configuration and data logging purposes z Storage for up...

Страница 4: ...ce Pieces to allow the testing of 100mm and 150mm cubes Optional Accessory Centring jig for positive location of 100 150mm cubes 3000kN Load Frame The upper platen is ball seated whilst the lower plat...

Страница 5: ...ne start to load press the RUN button on the Comtest keypad Manipulate the load rate with the control and keep it within the limits shown on the Comtest display known as the pace rate Once the sample...

Страница 6: ...1 5 OPTION SELECTION 8 1 6 DATA EDITING 9 1 7 PASSCODE ENTRY 10 2 0 USING COMTEST 10 2 1 TARE FUNCTION 12 2 2 TEST SETUP FUNCTION 12 2 3 SAMPLE SETUP FUNCTION 13 2 4 DISPLAY RESET FUNCTION 15 2 5 REVI...

Страница 7: ...o processor based electronics which includes 16 bit multi channel ADC with automatic programmable gains RS232 C serial port configured as 9600 baud 8 bits 1 stop and no parity for test printout or dum...

Страница 8: ...ons These are all located at the back of the instrument and are shown in detail in the following diagrams To start COMTEST simply apply power to the instrument by switching it ON The display should sh...

Страница 9: ...ed COMPUTER The following pins are used 1 2 Front Panel Display This module provides the means of presenting all the information available from the COMTEST instrument its functions and corresponding p...

Страница 10: ...rows are the Active rows and contains the option that can be selected or the data that can be edited e g Load KN Length mm Area mm2 Stress MPa 1 3 Front Panel Keypad All data entry editing and functio...

Страница 11: ...1 November 2003 IMPACT Scotland United Kingdom Save Log Test View Select Exit No Change Help Help Tare Function Test Function Sample Definition Clock Set up Display Logged Data Print Logged Data Set u...

Страница 12: ...e HELP key again to return to the normal display mode 1 5 Option Selection Many of the COMTEST functions require you to select one of a number of options available e g configuring ranges viewing logs...

Страница 13: ...etc In these cases a list of editable fields will be displayed The list may include 1 2 or more items but only up to 3 can be seen at a time In this case it can be scrolled to bring up further option...

Страница 14: ...updated in the display 1 7 Passcode Entry Of all the COMTEST functions calibration and configuration are protected by a pass code entry against misuse or unauthorised operation Pass codes are entered...

Страница 15: ...Furthermore if the load is below a MaxZero threshold you can select the function as described in Section 2 1 As soon as the load increases above the LoadPoint level and is in RUN mode the actual test...

Страница 16: ...t you need to set up not only Test but also Sample characteristics date and time configure and calibrate the ranges etc The rest of this manual shows you how to do this To access a function from the M...

Страница 17: ...ter the loading level that defines the threshold above which Pacing and Maximum Hold occur automatically MaxZero Enter the loading level that defines the threshold below which the Tare function is all...

Страница 18: ...to enter the appropriate dimensions Standard Cube Choose one of the available dimensions See Section 1 5 Standard Cylinder Choose one of the available diameter sizes See Section 1 5 COMTEST Sample Sta...

Страница 19: ...et Function This function achieves 2 objectives It stores current test set up and results information into a special log space in non volatile memory This allows COMTEST to remember previous test resu...

Страница 20: ...t want to save the results Press ENTER SELECT if you do want to log the results Please refer to Section 2 5 for details on logged data While this is being logged you will see a display for a few secon...

Страница 21: ...ace the rate used when the test was carried out Section 2 2 Sample a description of the selected type Section 2 3 X Area cross sectional area of the selected sample This is obtained from the type and...

Страница 22: ...ins date and time from the moment you set it If for any reason you need to change this enter new values as described in Section 1 6 Simply enter the time and or date as above then press the Enter Key...

Страница 23: ...you use return a calibrated Full Scale signal COMTEST assumes the calibrated 0 divisions correspond to ZERO signal Please refer to Section 2 1 Tare for additional facilities available to compensate f...

Страница 24: ...0 to 100 00 KN fo r the Flex range Press ABORT to return to the main display 2 9 Channel Calibration This function requires pass code access See Section 1 7 If entered correctly this function allows...

Страница 25: ...ate the ZERO set on the transducer Choose this option to re calibrate the transducer to the FSD value set Choose this option to exit the calibration routine In all cases the new calibration data is sa...

Страница 26: ...f these parameters 2 12 Running A Test At this point you must already have configured and calibrated all transducer inputs Select test configuration menu press 1 and set all functions as required Pres...

Страница 27: ...eed clarification In the diagram shown on page 4 TX is for data coming out of the Comtest and RX for data going in This means that when connecting the Comtest to a computer etc a cross over cable must...

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