COMTEST User Guide
3
Version. 3.1 November 2003
IMPACT
Scotland, United Kingdom
INTRODUCTION
The COMTEST instrument provides:
•
Data monitoring and capture of load signals for:
•
Compression range 0 to 3000 KN
•
Flexural range 000.00 to 100.00 KN.
•
0 ~ 200 millivolts transducer range
•
+6 and -4 volts DC excitation provided
Transducer configuration, calibration and Linearisation facilities for Compression and
Flexural input ranges.
Data logging: up to 100 test results, time stamped and with all relevant test data
results.
RS232 Serial communications port for printing test results information, with options
available for full computer control or and remote monitoring
This is achieved by the micro-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 dumping the results directly to a computer
4 rows * 20 columns LCD, dot matrix screen, with full LED backlight.
16-key pad for instrument set up, usage and control.
Built in battery backed real-time calendar/ clock device.
Non-volatile memory, for configuration and data logging purpos es, resulting in
storage for up to 100 test results.
Section 1 in this guide describes the various electrical connections that need to be
made for the instrument to operate correctly, as well as an overview of the LCD and
keypad details and general usage guidelines.
Section 2 presents instructions on operating COMTEST:
•
Setting up the instrument
•
Setting up Test information
•
Running and collecting Test results
