RS232C interface

Connection to the computer by means of a RS232C cable into the computer COM2 port.

RS232 Cable Pin Connection

Computer

 

DMM

RX3

 

2

TX2

 

3

DIR20

4

GND7

 

5

DSR6

6

RIS4

7

CIS5

8

DB25 female socket

 

DB9 male pin

Pins 4 and 6 as well as pins 7 and 8 are connected.

Qbasic DM506.bas computer program and PROTEK program for Windows platform.

The meter calibration should be done by  qualified service personnel.
 


Prepared by: Filomena Camões, Manuela Rocha, University of Lisbon, Portugal