Tektronix DM2510 User manual

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TEK
Part No.
070-8479-00
Product
Group
3M
THE
DM2510
&
DM2510G
PROGRAMMABLE
DIGITAL MULTIMETERS
Instruction
Manual
Tektronix
COMMITTED
TO
EXCELLENCE

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v
Welcome
This instruction manual contains the following sections :
Before You Begin describes the DM2510 Digital Programmable
Multimeter and provides safety information . It also provides
instructions to ensure that you use the correct fuse and line
voltage settings .
At A Glance provides a description of the DM2510 and its func
tions
.
Operations in Detail provides procedures for using the DM2510's
more
complex
features
.
Troubleshooting contains fixes for common problems . It also
provides information on how to send your instrument to Tektronix
for
servicing .
Specifications
contains
specifications
for the
DM2510 .
Accessories describes the standard and optional accessories
available for the DM2510 .
NOTE
The ONLY difference between the DM2510 and the
DM2510G is that the DM2510G has a GPIB interface . All
information specified for the DM2510 in this manual is also
correct for
the
DM2510G .
DM2510 / 2510G
Programmable
Digital
Multimeter Instruction
Manual
i

Welcome
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Before
You
Begin
About the Digital Programmable Multimeter
Safety
Symbols
and
Terms
Specific
Precautions .
Selecting the Line Voltage
Selecting the Line Frequency
Selecting
the
Fuse
At a
Glance
Front Panel
Inputs
Readouts
Function
Buttons
.
Rear
Panel
Operations
in
Detail
NULL Mode
HI
, LO ,
COMPARE , and
BEEP
Setting
HI
and
LO LIMIT
.
COMPARE and BEEP ....
Continuity
Measurements
GPIB
Interfacing
Troubleshooting
Contents
Troubleshooting Diagrams
Repackaging for Shipment ..
DM2510 / 2510G
Programmable
Digital
Multimeter
Instruction
Manual
1
VSD
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3
4
5
5
7
8
9
10
12
15
16
17
17
19
19
21
24

Specifications
Warranted Characteristics
DM2510 Dimensions
Accessories
iv
Standard Accessories
Optional
Accessories
Power
Cord
Options
...
25
32
33
33
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Contents
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åååååååååååååååååååå
T
H
Before
You
Begin
About the Digital Programmable Multimeter
The Tektronix DM2510 is a programmable six - function autoranging
digital multimeter . You can use it to measure DC and AC voltage and
current , resistance , and temperature ( Tektronix P6602 temperature
probe required ) .
The DM2510 has the following features :
software calculated versions of the AC voltage ranges ( dBm and
dBV
)
a NULL function to make measurements with an offset value
a
HOLD mode
and a
TRIGGER
function
a COMPARE mode that compares the current measurement with
user
-
selectable HI and
LO
LIMITS
a BEEPER mode that sounds a beeper when a measurement is
beyond
the
user - selectable
HI and
LO
LIMITS
FAST and NORMAL mode measurement
50 and 60 Hz measurement modes
autoranging
capability on all
measurement
functions except
temperature
a
locking
,
multiposition
handle that folds
under the
instrument
If you need more information about your Tektronix DM2510 Digital
Programmable Multimeter or other Tektronix products , contact the
nearest Tektronix sales office or distributor , consult the Tektronix
product
catalog , or , in the
U. S. , call the
Tektronix
National
Marketing
Center toll - free at 1-800-426-2200 .
DM2510 / 2510G
Programmable
Digital
Multimeter
Instruction Manual
1

Safety
2
You
may
be
eager to begin using your Tektronix DM2510 , but please
take a moment to review these safety precautions . We provide them to
protect
both you
and the
instrument
.
Symbols
and
Terms
These two terms
appear in this
manual :
¥
CAUTION
statements identify conditions or practices that could
result
in
damage
to
equipment .
WARNING
statements identify conditions or practices that could
result in personal injury or loss of life .
These
two terms
appear on
equipment :
CAUTION
indicates
a
personal injury hazard
not
immediately
accessible as one
reads the
marking or a
hazard
to
property
including the
equipment itself .
I
DANGER indicates a personal injury hazard immediately accessi
ble as one
reads the
marking
.
This symbol appears in this manual :
/
4
DANGER
High Voltage
Static - Sensitive Devices
These
symbols
appear on
equipment
:
Protective
Ground
(
Earth )
Terminal
A
ATTENTION
Refer
to
manual
Before
You
Begin
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Specific
Precautions
Observe all of these precautions to ensure your personal safety and to
prevent damage to the DM2510 or connected equipment .
Power
Source - The
DM2510
power source
must not apply
more
than 250 V rms between the supply conductors or between either
supply conductor and ground . A protective ground connection ,
through
the
grounding
conductor in the power
cord , is
essential for
safe
system
operation .
Grounding the
Digital
Programmable
Multimeter
- The
DM2510 is grounded through the power cord . To avoid electric shock ,
plug
the power
cord into a
properly wired
receptacle where
a qualified
service person has verified earth ground . Do this before making
connections to the input or output terminals of the DM2510 .
Without the protective ground connection , all parts of the DM2510 are
potential shock hazards . This includes knobs and controls that may
appear
to
be
insulators
.
Use
the
Proper
Power
Cord Use only the power cord and
connector specified for your product . Use only a power cord that is in
good
condition
.
Use the
Proper
Fuse
To avoid fire hazard , use only the fuse
specified
in the
Selecting the
Fuse
section or one
that is
identical in
type
,
voltage
rating
,
and current
rating
.
Do Not
Remove Covers or
Panels
-
To avoid
personal
injury ,
do not operate the DM2510 without the panels or covers in place .
Do Not Operate in Explosive Atmospheres - The DM2510
provides no
explosion protection from
static
discharges or arcing
components . Do
not
operate the
DM2510
in
an atmosphere
of explo
sive
gasses
.
Electric Overload
DM2510 that is outside the range specified for that connector .
...
Never apply a voltage to a connector on the
DM2510 / 2510G Programmable Digital Multimeter Instruction Manual
3

Selecting the Line Voltage
120
Line
Voltage
100
220
240
The voltage switches on the rear panel of the instrument allow proper
line
voltage
selection .
4
In order to avoid damaging the DM2510 , ensure that it is
set to operate on the correct line voltage for your area .
Determine the
voltage that is
available
from
your main
power
supply
.
The DM2510 can operate with line voltages of 100 , 120 , 220 , or
240 VAC . The power source must not supply more than 250 V rms
between the supply conductors or between either supply conductor
and
ground .
Set the switches as shown in Table 1 .
CAUTION
Table 1 : Line Voltage Switch Selections
Top
Switch
b
b
Bottom Switch
b
b
88888
*
888888
Before
You
Begin
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[
Selecting the
Line
Frequency
CAUTION
In order to avoid damaging the DM2510 , ensure that it is
set to operate on the correct line frequency for your area .
Determine the
frequency that is
available
from
your main
power
supply . The DM2510 can operate with line frequencies of 50 or 60 Hz .
Use this procedure to set the line frequency of your instrument .
Step 1 : Plug in the power cord .
Step 2 :
Turn
on
the
power .
Step
3 :
Press
PROG
.
Step
4 : Press
50 / 60Hz .
Step 5 : Press either of the AUTO RANGING buttons to select the
proper line frequency .
Selecting
the
Fuse
CAUTION
In order to avoid damaging the DM2510 , ensure that it has
the
correct
fuse for the
line
voltage .
The DM2510 requires an MDL 0.25 A , 250 V slow - blow fuse if it is
operated with a line voltage of 100 V or 120 V. The instrument requires
an MDL 0.125 A , 250 V slow - blow fuse if it is operated with a line
voltage of 220 V or 240 V. This information can be found on the rear
panel , above the power receptacle and next to the fuse box . Use this
procedure to ensure that the DM2510 has the proper fuse .
Step 1 : Remove the power cord .
DM2510 / 2510G Programmable Digital Multimeter Instruction Manual
5

6
Step 2 : Using a small screwdriver , open the fuse holder cap .
Step 3 : Examine the fuse to ensure that it is appropriate for your
line voltage . Replace it with an appropriate one if it is not .
Step 4 : Using a screwdriver , replace the fuse holder cap .
Before
You
Begin

%%%%%%%%%%%%%%%%%%%%%%•%
U
This
section
escribes the controls on the front and rear panels of the
DM2510 Digital Programmable Multimeter .
Front Panel
1 .
2 .
3 .
4 .
At a Glance
2
+18888
³
5
The power switch toggles the instrument power .
The inputs accept electric signals for the DM2510 to measure . See
page
8
for
details .
The readouts provide information on the size and type of the input
being measured . They also provide some rudimentary GPIB
information . See page 9 for more information on readouts .
The GPIB INST ID button calls up the instrument's primary GPIB
address and displays it on the numerical readout . See the Opera
tions in Detail section on page 19 for more information on the
GPIB feature .
DM2510 / 2510G Programmable Digital Multimeter Instruction Manual
7

8
5 .
6 .
1 .
2 .
Inputs
3 .
The AUTO RANGING buttons control the range of the numerical
readout . The first push of either the upper or lower button will
disable
the
autoranging feature
. Then the upper
button selects
the
next
higher
measurement
range and
the
lower
button
selects the
next lower measurement range . To re - enable the autoranging
feature ,
press both
buttons
simultaneously . One of
the
status
LEDs indicates whether autoranging is on or off .
4 .
When in HOLD mode , the AUTO RANGING buttons select
various
setup
options .
The function buttons determine what the instrument measures
(
mA , V , dBm
, and so on
) . For more
information
on individual
function
buttons
and
their
uses , see
page
10 .
1
10AA
UNFUSED
mA
V / Q / TEMP
2
ۥ .
MAX
<
1000Vpk
A
< 1000
LOW
A
+
Use the 10 A UNFUSED terminal to make current measurements
up
to
10
A.
Use the V / Q / TEMP terminal to make voltage , resistance ,
and
temperature
measurements .
Use the LOW terminal as common for all measurements .
Use the mA terminal to make current measurements up to 2 A.
At
a
Glance

%%%%%%%%%%%%%%%%%%%%%%
=
[
Readouts
+18888
ADDR REMOTE NULL HOLD
AUTO
BEEP
1 .
2 .
1
3 .
The numerical readout shows up to four and a half digits ( 19999 )
and also
indicates
polarity with
a + or
2
The mode readout area indicates the current measurement mode
with the following readouts .
¥
current
-
µA ,
mA , A
voltage
mV , V , dBm
, dBV
resistance
, k2 , MQ
, and a diode
symbol
( to indicate
diode
measurement
capability
)
temperature
° C
T
AC
measurement
modes
The status LEDs indicate the present state of various instrument
functions .
ADDR turns on when the instrument is GPIB addressed
( when it is either talking or listening to the GPIB port ) . For
more information on the GPIB interface , see page 19 .
DM2510 / 2510G Programmable Digital Multimeter Instruction Manual
9

10
REMOTE turns on when the instrument is in the GPIB remote
state . For more information on the GPIB interface , see page
19
.
NULL
indicates whether NULL
mode is on or off .
See page
15
for
details .
1 .
HOLD indicates whether HOLD mode is on or off . When in
HOLD mode , all function buttons change to their secondary
function .
2 .
AUTO indicates whether autoranging is active or not . See
page
8
for
details
.
Function Buttons
TRIG
BEEP 50 / 60Hz 3 OR 4 DIG TEMP LO LIMIT COMPARE HI LIMIT
PROG AC / DC VOLTS MA
10A
a NULL
dBm
dBV
BEEP turns on when the instrument is in beeper mode . See
page
17
for
details .
1
2 3 6
7
PRIMARY : The PROG button sets the instrument in HOLD mode ,
activates the HOLD LED , and allows access to DM2510 program
mable features . When in HOLD mode , all function buttons change
to
their
secondary
function .
SECONDARY : Pressing the PROG button when already in HOLD
mode returns the instrument to RUN ( normal operation ) mode .
PRIMARY : The AC / DC button switches between AC and DC
measurement
mode
.
At a Glance
]
]
]
]

%%%%%%%%%%%%%%%%%%%%%%%
3 .
4 .
5 .
6 .
SECONDARY : When in HOLD mode , the AC / DC button triggers
the instrument to take one measurement and then automatically
return
to HOLD
mode .
PRIMARY : The VOLTS button sets the instrument in voltage
measurement
mode
.
SECONDARY : When in HOLD mode , use the VOLTS button to
initiate beeper mode selection . See page 17 for more details .
PRIMARY : The mA and 10 A buttons set the instrument in current
measurement mode , in either the
mA or A range .
SECONDARY : When in HOLD mode , use the mA button to initiate
50/60 Hz mode selection . The numerical readout will display
" 50 H " or " 60 H " to indicate the present mode . Then use either of
the AUTO RANGING buttons to switch between 50 and 60 Hz
mode .
When in HOLD mode , use the 10 A button to initiate 3 or 4 digit
mode selection . The numerical readout will display " 3.5 d " or
" 4.5 d " to
indicate
whether
the
instrument
is
currently displaying
three and a half or four and a half digits . Then use either of the
AUTO RANGING buttons to switch between three and a half
digits and four and a half digits .
PRIMARY : The 2 button sets the instrument in resistance mea
surement
mode .
SECONDARY : When in HOLD mode , the button sets the
instrument in temperature measurement mode . The DM2510 can
make temperature measurements in one range : from -62 ° C
to + 250 ° C .
If a
measurement is out
of this range
or if you
are
attempting a temperature measurement without the proper probe ,
the numerical readout will show " OPEN . "
NOTE
To make temperature measurements with the DM2510 , you
must use a Tektronix P6602 Temperature Probe . See the
Accessories section for ordering information .
PRIMARY : The NULL button turns the NULL mode on or off . See
page
15
for
details .
DM2510 / 2510G
Programmable
Digital
Multimeter
Instruction Manual
11

7 .
12
SECONDARY : When in HOLD mode , use the NULL button to
initiate LO LIMIT selection . See page 17 for more details .
PRIMARY : The dBm and dBV buttons set the instrument in dB
measuring
mode
.
2 .
SECONDARY : When in HOLD mode , use the dBm button to put
the instrument in compare mode . See page 17 for details .
Rear Panel
When in HOLD mode , use the dBV button to initiate HI LIMIT
selection . See page 17 for details .
2
1.
The current input fuse is an added safety feature . It prevents
overload
of
the
instrument while
measuring
current
in
excess
of
2 A. See page 5 for fuse replacement procedures .
5
The GPIB
interface
port allows
you to control the
DM2510G
remotely .
See
page 19 for
details .
At a
Glance
]
]

%%%%%%%%%%%%%%%%%%%%%%%%
3 .
NOTE
Only the DM2510G rear panel has these GPIB fixtures . On
the DM2510 , this portion of the rear panel is blank .
5 .
The voltage selector switches control the line voltage acceptance
settings .
See
page 4 for
details .
4.
This is the fuse holder cap . See page 5 for fuse replacement
procedures .
This
is
the
power
input
jack
.
DM2510 / 2510G
Programmable
Digital
Multimeter Instruction
Manual
13