Keithley 2002 User Manual

Example Programs
G-4
then sent to the computer and displayed. This process contin-
ues until a keystroke occurs.
Required equipment
• Model 2002 Multimeter
• Microsoft QuickC 2.0
• National GPIB PC Interface (interface software must be
installed and configured as explained in the instruction
manual).
The program assumes that the Model 2002 is set to address
16.
Program (confnat.c)
#include <stc.h>
#include <stdio.h>
#include <stdlib.h>
#include <decl.h>
#include <math.h>
#include <graph.h>
#include <string.h>
#include <time.h>
#define k2002 16
main()
{
int stat, l;
char status, keych;
char cmd[255];
char ki2002[10];
_clearscreen(_GWINDOW);
SendIFC(0); /* Set Controller to Addr 0 */
Send(0,k2002,":form:elem read",24L,NLend); /* Include only reading in data string */
while( !kbhit() )
{
Send(0,k2002,":conf:freq",20L,NLend); /* Configure for one-shot FREQ measure-
ments */
Send(0,k2002,":read?",6L,NLend); /* Make measurement */
Receive(0,k2002,ki2002,20L,STOPend);
printf("%s",ki2002); /* Display reading */
}
}
:CONFigure and :READ? Commands
Microsoft QuickC 2.0
National GPIB PC Interface
©1992, Keithley Instruments, Inc.
Description
This program demonstrates the use of the :CONFigure and
:READ? commands. In general, :CONFigure is used to
select the FREQ function and then performs a *RST. The
:READ? command is used to make a measurement, which is

Keithley 2002 Specifications

General

Resolution	8.5 digits
DC Voltage Accuracy	±0.0006%
Maximum DC Voltage	1000 V
Maximum AC Voltage	750 V
Maximum DC Current	3 A
Maximum AC Current	3 A
Connectivity	GPIB, RS-232
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	10 Ω to 1 GΩ
Model	2002
Category	Multimeter
Interface	GPIB, RS-232
AC Current Accuracy	±0.1%
Frequency Range	0.1Hz to 300kHz
Display	VFD
Type	Digital
Power Supply	100-240V AC, 50/60Hz
Current Range (DC)	100 μA to 3 A
Current Accuracy (DC)	±0.01%
Current Range (AC)	100 μA to 3 A
Current Accuracy (AC)	±0.1%
DC Current Range	100 μA to 3 A
AC Current Range	100 μA to 3 A