Fluke HART SCIENTIFIC 1502A Manuel d'utilisateur télécharger pdf (Page 28)

7.1.2 Automatic Transmission of Measurements

The 1502A can be programmed to automatically send measurements to a re

mote printer or terminal. The transmission interval is set using the “SA PEr”

sample period parameter. This is set in the Comm menu after the baud rate pa

rameter. The display will briefly indicate “SA PEr” and then display the cur

rent sample period. The sample period is specified in hours, minutes, and

seconds. Setting the sample period to 0 disables automatic transmission of mea

surements. Use the L and R buttons to move between digits. The selected

digit will flash. Use the U and D buttons to increase or decrease the digit.

When the sample period is set as desired press Enter.

The sample period can also be set using the “SA” communications command.

The period can be specified in seconds, in minutes and seconds, or in hours,

minutes, and seconds. For example, SA=15<EOS> causes the 1502A to trans

mit measurements at 15-second intervals. SA=10:00<EOS> causes the 1502A

to transmit a measurement every ten minutes. SA=2:00:00<EOS> causes the

1502A to transmit a measurement every two hours. (<EOS> represents the ter

mination character which is either a linefeed or carriage return).

7.1.3 Time Stamp and System Clock

The 1502A has a built-in system clock that counts hours, minutes, and seconds

while the power is on. The clock can be used to time stamp measurement data

read from the communications interfaces. When the power is switched on the

clock is set to 00:00:00. You can set the clock to show the actual time-of-day.

This can be done within the Comm menu. Press the Menu button (“SEt?”ap-

pears) and then the Comm menu button. The display will briefly show “CLOC”

then the current clock time in hours, minutes, and seconds. The time is repre-

sented in 24-hour format with 00 hours meaning 12:00 a.m. and 23 hours

meaning 11:00 p.m. Use the L and R buttons to move between digits. The

selected digit will flash. Use the U and D buttons to change the digit. Once

the digits are correct, press Enter to accept the new time. If you decide not to

change the time press the Exit button instead.

The clock can also be set using the “CL” communications command:

CL=hh:mm:ss <EOS>.

The time stamp allows you to record the time-of-day with measurements that

are printed or transmitted to a computer. The given time is the value of the sys

tem clock at the time of transmission. An example of time-stamped readings is

shown below.

t: 31.787 F 14:04:40

t: 31.788 F 14:04:50

t: 31.792 F 14:05:00

t: 31.793 F 14:05:10

The time stamp control is also accessed in the Comm menu. Press the Menu

button (“SEt?” appears) and then the Comm menu button. Press Exit to skip

1502A Thermometer Readout

User’s Guide

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Fluke HART SCIENTIFIC 1502A Manuel d'utilisateur Page 28

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