DMM150
Digital Multimeter
Instructions
070-9235-01
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Table of Contents
Safety ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Terms as Marked on Equipment ii. . . . . . . . . . . . . .
Getting Started 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls and Connectors 2. . . . . . . . . . . . . . . . . . . . .
Display Indications 3. . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Basics 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparing for Measurement 4. . . . . . . . . . . . . . . . . .
Changing Ranges 4. . . . . . . . . . . . . . . . . . . . . . . . . . .
Holding a Measurement 5. . . . . . . . . . . . . . . . . . . . .
Measuring Voltage 5. . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring Resistance 6. . . . . . . . . . . . . . . . . . . . . . .
Checking Continuity 6. . . . . . . . . . . . . . . . . . . . . . . . .
Checking Diodes 7. . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Batteries 8. . . . . . . . . . . . . . . . . . . . . .
Specifications 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Characteristics 10. . . . . . . . . . . . . . . . . . . . . .
Measurement Ranges and Accuracies 11. . . . . . . . .
Certifications and Compliances 13. . . . . . . . . . . . . . .
Standard Accessories 14. . . . . . . . . . . . . . . . . . . . . . .
ii
Safety
!
! !
CAUTION.
WARNING.
Terms as Marked on Equipment
Do Not Operate Without Covers #
! ! !
Electric Overload # ! "
Do Not Immerse #
1
Getting Started
*" +"*#*( ) (+ $"
&(%+* ** ""%-) .%+ *% #! +(* #)+(#$*)
'+!". $ )". *( .%+ ( &(%))%$" %(
%.)* *) $)*(+#$* &(%,) +)+" ($ %
*+()
H///#"" &$0)*." )
H///
* )&". -* ( (&
H///+*% ($ ,%"*) %#)
H///)+(#$* %"
H///)+() $ ,%"*) ())*$ %
,%"* $ %$*$+*.
H///% $ %$*$+*. *)*( -* +" )$"
H///,(,%"* &(%**
H///)) $&+* !) %( )*.
H///+*%#* &%-( % *( #$+*) *% &(%"%$
**(. "
H///%-0**(. $*%(
H///)) )*$( **()
2
Controls and Connectors
6
54
321
1. Slide Switch Ċ Move to select the multimeter
functions.
2. Function Button Ċ Press to select options for each
function. Select either AC or DC in the V position, or
resistance, continuity, or diode check in the
position.
3. Digital Display Ċ This liquid crystal display (LCD)
has a maximum reading of 3200 (3
1
2
digit). The
display indicates auto range, auto polarity, decimal
point, overrange, AC, DC, , measurement units, and
hold.
4. RANGE ButtonĊ Press to manually select
measurement ranges.
5. HOLD Button Ċ Press to hold or freeze the display.
6. Inputs Ċ Inputs for the test leads.
3
Display Indications
12 3 4
9
7
5
8
6
"
$"! "
$"! "
"
"#"& "
# "
!# " #"!
% "" & "
4
Operating Basics
! ! ! $ ! " ! "!&
! % !%
Preparing for Measurement
! ! !" ! "!!
"! !" "%
! $! ! ! "! %" $! ! "
! ! ! "!
CAUTION.
! $ ! ! "! " ! ! %"
" ! ! ! !"!%
%" " ! "!! "! !!
! !! ! ! %
! " ! ! ! "!
#"
Changing Ranges
! RANGE "!! ! "% !
%" ! "% ! ! "!!
"!!% ! "!
5
Holding a Measurement
!# "$!# !"" # HOLD $##
#! H !" # " ' # (
"$!# & # !"" # HOLD $##
# #$ &# ! !#
Measuring Voltage
WARNING. To avoid electrical shock to the user or
damage to the instrument, do not apply more than
600 VDC or 600 VAC
RMS
between any terminal of the
instrument and earth ground.
Use extreme caution to avoid personal contact with
high voltage when measuring in high voltage circuits.
# # #"# # # COM #!
# ! #"# # # V #!
% # " "&# # # V $#
!"" # blue function button # "# !
"$!#
# # #"# " !"" # "$! !
$##! $##' "#" # !
" '" # !#' %#
6
Measuring Resistance
W ARNING.
COM
V
Checking Continuity
COM
V
!
7
Checking Diodes
% # " "&# # # "#
!"" # $ $## $# #
"( !"
# # #"# " !"" #
$##! " (" # %# ! !"" #
( ( # !&! %# ! "
" " #& #
$! #"# " #% "!# !$# ! !')
#( )$# " " (
Reversed Biased
Forward Biased
" ( !" !'#( &# #
!%!" " $##! " (" ! "
#! %$ &! # # " "!# !
!""#%
8
Maintenance
Cleaning
! !
Replacing the Batteries
"
Back Cover
Screw
Shield
Batteries
Figure 1: Replacing the Batteries
9
% '&" ) ))' ( %""%, )( $()'*) %$(
(%$$) ) )() "( '%# $- '* ) *$' )()
$ )*'$ % ) #*") #)'
#%+ ) )() "( '%# ) #*") #)'
- ) #*") #)' %,$ %$ ,%'! (*' ))
, "" $%) # ) #*") #)'
#%+ ) (', '%# ) ( ! *( $ (#""
"" &( (',' +'
$)"- " ) ) ) ( ! ) ) $ $'() )
" %$$) %$(
) ) ( " % " ! )% *$%+' ) ))'- (
) ) ))'- ( %*) % ) #*") #)' $
'*""- '#%+ ) ))' (
$()"" ) $, ))' ( $ ) %'') &%"' )-
&%( ) %$( $ $()"" ) ))'- ( $)% )
#*") #)'
%" ) ( " % " %+' ) ))'- (
&" ) ( ! ! (*' ) ))'- "(
$ ( " % " % $%) ) *) ),$ ) (
'%$) $ !
$()"" ) (',
10
Specifications
General Characteristics
Display 3
1
2
digit liquid crystal display
(LCD) with a maximum reading
of 3200
65 segment analog bar graph
Polarity Indication Automatic; positiveimplied,negĆ
ative indicated
Overrange Indication OL" or -OL"
Low Battery Indication The
symbol is displayed
when the battery voltage drops
below the operating voltage
level.
Sampling Rate 2 times/second for digital display
12 times/second for analog bar
graph
Operating Altitude 2200 m (7150 ft), maximum
Operating Temp. 0_ Cto+50_C, 0-80% relative
humidity
Storage Temp. -20_ Cto+60_C, 0-80%
relative humidity (batteries
removed)
Temperature 0.15 x (specified accuracy)/°C
Coefficient <18°Cor>28°C
Power Supply Two standard 1.5 V batteries:
NEDA 24A, AM4, or IECĂLR03
Battery Life Alkaline 800 hours
Dimensions (HxWxD) 42 mm × 145 mm × 24 mm
(1.7Ăin × 5.7Ăin × 0.9Ăin)
11
Measurement Ranges and Accuracies
Accuracies are (% reading + number of digits) at 23_C
5_ĂC, at less than 75% relative humidity.
Maximum Floating 600 VDC or 600 VAC
RMS
CAT II
Voltage between any terminal and earth
GND
Maximum Input 600 VDC or 600 VAC
RMS
CAT II
Voltage between V and COM terminals
DC Volts
Ranges 300 mV, 3 V, 30 V, 300 V, 600 V
Accuracy ±(0.7%Ă+Ă2 digits)
Input Impedance 10 MW
Resolution (by range)
300 mV 100 mV
3V 1mV
30 V 10 mV
300 V 100 mV
600 V 1 V
AC Volts
Ranges 3 V, 30 V, 300 V, 600 V
Accuracy 3V:Ă(1.7% reading + 5 digits)
at 40 Hz to 300 Hz
30 V, 300 V, 600 V:Ă
(1.7% reading + 5 digits)
at 40 Hz to 500 Hz
Input Impedance 10 MW paralleled by less than
100 pF
Resolution (by range)
3V 1mV
30 V 10 mV
300 V 100 mV
600 V 1 V
12
Resistance
"& WWW W W
W
(%+
W " " %" '&
W" " %" '&
W " " %" '&
'% "& " %" '&
&' # '
$"-%('
# ' $$%#*!' + ,
&# ('#" + %"
W W
W W
W W
W W
W W
W W
Continuity Check
%&# $% &#("& ' %&&-
'" # ' %(' !&(% &
tĂ W
Diode Test
&' (%%"' ! !*!(!
&' # ' !*!(! #$" %('
&# ('#" ,!
(%+ ±,, '&
%#! , '# ,
Auto Power Off !( '!'% ('#!' +
&('& # $$%#*!' + !"-
('& '% ' &' ("'#" #%
!# " !( '!'%
'(%"& #" " )" "#'%
%" & & ' #% "+ (''#" &
$%&&
13
Certifications and Compliances
EC Declaration of Conformity
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,*- 1(!()(16 +# ,4 ,)1 &$ (/$"1(3$ %,/
/,#2"1 %$16 ,*-)( +"$ 4 0 #$*,+01/ 1$# 1, 1'$ %,)7
),4(+& 0-$"(%(" 1(,+0 0 )(01$# (+ 1'$ %%("( ) ,2/+ ) ,% 1'$
2/,-$ + ,**2+(1($0
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7 )$"1/,01 1(" (0"' /&$ **2+(16
7 )$"1/,* &+$1(" ($)#
**2+(16
,4 ,)1 &$ (/$"1(3$
7 %$16 /$.2(/$*$+10 %,/ $)$"1/(" )
$.2(-*$+1 %,/ *$ 02/$*$+1 ",+7
1/,) +# ) !,/ 1,/6 20$
Overvoltage Category
5 *-)$0 ,% -/,#2"10 (+ 1'(0 " 1$&,/6
(01/(!21(,+7)$3$) * (+0 %(5$#
(+01 )) 1(,+
," )7)$3$)* (+0 --)( +"$0-,/7
1 !)$ $.2(-*$+1
(&+ ) )$3$)0 (+ 0-$"( ) $.2(-*$+1
,/ - /10 ,% $.2(-*$+1 1$)$",**27
+(" 1(,+0 $)$"1/,+("0
Pollution Degree
,))21(,+ $&/$$ 0 #$%(+$# (+ 7 , +,1 ,-$/7
1$ (+ $+3(/,+*$+10 4'$/$ ",+#2"1(3$ -,))21 +10 * 6 !$
-/$0$+1
14
Standard Accessories
The DMM150 is shipped with the following items:
Test lead set 020Ć2130Ć00
(one black lead with probe, one black alligator clip,
short red test probe, long red test probe)
Instructions 070Ć9235ĆXX
Two batteries (1.5ĂV) NEDA 24A, AM4,
Installed or IEC LR03
WARRANTY SUMMARY
EXCEPT AS PROVIDED IN THIS SUMMARY OR THE
APPLICABLE WARRANTY STATEMENT, TEKTRONIX
MAKES NO WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING WITHOUT LIMITATION THE
IMPLIED WARRANTIES OR MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. IN NO
EVENT SHALL TEKTRONIX BE LIABLE FOR
INDIRECT, SPECIAL OR CONSEQUENTIAL
DAMAGES.
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