
DDS CALORIMETERS OPERATIONS MANUAL V1.1 2022
Website:
www.ddscalorimeters.com
i
Digital Data Systems (Pty) Ltd.
CAL3K Advanced Bomb Calorimeters
www.ddscalorimeters.com
Table of Contents:
1
INTRODUCTION .................................................................................................................... 1
2
PURPOSE OF THIS MANUAL .................................................................................................. 1
3
SAFETY ................................................................................................................................. 1
3.1
SAFE BURNING PROCESS ................................................................................................ 1
3.2
SAFE ELECTRICAL INSTALLATION .................................................................................... 2
3.3
SAFE HIGH PRESSURE OXYGEN ....................................................................................... 2
3.4
OVER-PRESSURE ............................................................................................................. 3
3.5
SAFE OXYGEN CONNECTIONS ........................................................................................ 3
3.6
SAFE EXHAUST GAS CONNECTION ................................................................................. 3
3.7
SAFE VESSEL HANDLING ................................................................................................. 4
4
BASIC KEYBOARD OPERATIONS ............................................................................................ 5
4.1
GENERAL KEYBOARD ACCESS ......................................................................................... 6
4.2
COMMAND EXECUTION ................................................................................................. 6
4.3
COMMAND NUMBER EXECUTION .................................................................................. 7
5
TESTING ............................................................................................................................... 7
5.1
TEST CAL3K HARDWARE ................................................................................................. 7
5.2
TEST VESSEL HARDWARE ............................................................................................... 7
5.3
TEST THE FAN ................................................................................................................. 8
5.4
TESTING FOR OXYGEN LEAKS ......................................................................................... 8
5.4.1
TEST OXYGEN SUPPLY ............................................................................................. 8
5.4.2
TEST OXYGEN INTERNAL PLUMBING ...................................................................... 8
5.4.3
TEST VESSEL LEAK ................................................................................................... 9
6
PRINCIPLE OF COMBUSTION CALORIMETER ......................................................................... 9
7
MODE CHANGES ................................................................................................................. 10
8
CONNECTING ...................................................................................................................... 11
8.1
USB PORT ..................................................................................................................... 11
8.2
PORTD1 ........................................................................................................................ 11
8.3
PORTD2 ........................................................................................................................ 11
8.4
BALANCE PORT ............................................................................................................. 11
8.5
USE OF PORT D1 ........................................................................................................... 11
8.6
CONNECTING TO A PC WITH A RS232 PORT ................................................................ 12
8.7
CONNECTING TO A PC FOR DATA COLLECTION ............................................................ 12
8.8
CONNECTING TO A BALANCE ....................................................................................... 12
9
OUTPUT ............................................................................................................................. 13
9.1
OUTPUT PRINTING RESULTS TO PAPER, KEYBOARD INITIATED ................................... 13
9.2
OUTPUT PRINTING, KEYBOARD INITIATED, OTHER ...................................................... 15
9.3
OUTPUT PRINTING, INTERNAL INITIATED .................................................................... 16
9.4
OUTPUT, NON-PRINTABLE ........................................................................................... 16
9.5
OUTPUT, EXTERNAL INITIATED ..................................................................................... 17
9.6
OUTPUT TO A SPEADSHEET .......................................................................................... 17
9.7
OUTPUT TO AN EXTERNAL PC ...................................................................................... 17
10
CYCLES ............................................................................................................................... 18
10.1
CYCLE: PREPARATION ................................................................................................... 18
10.2
CYCLE: FILLING
(CAL3K-AP ONLY)
................................................................................. 18