Tektronix DMM150 User manual

DMM150
Digital Multimeter
Instructions
070-9235-01

%&-' ) !)'%$ , $ "" ' )( '('+
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&)$)( ((* $ &$ $ $%'#) %$ $ ) (
&*" ) %$ (*&'( )) $ "" &'+ %*("- &*" (
#)' " &  ) %$( $ &'  $ &' + "(
'('+
!)'%$ , $  %,   "(%$+ "" 

 $  ' ' ()' )'#'!( %
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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 ulti eter
functions.
2. Function Button Ċ Press to select options for each
function. Select either AC or DC in the Vposition, or
resistance, continuity, or diode check in the
position.
3. Digital Displa Ċ This liquid crystal display (LCD)
has a axi u reading of 3200 (312digit). The
display indicates auto range, auto polarity, deci al
point, overrange, AC, DC, , easure ent units, and
hold.
4. RANGE ButtonĊ Press to anually select
easure ent 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
97
5
8
6
  "
  $"!  "
  $"!  "
    "
 "#"&  "
 #  "
 !# " #"!
    
 % "" & "

4
Operating Basics
   ! ! !  $ ! "  ! "!&
! %  !%
Preparing for Measurement
 !   ! !"  ! "!! 
   "!  !" "%
  ! $! ! ! "! %" $! ! "  
! !  !  "!
CAUTION.      
        

  ! $ ! ! "! " ! !  %"
  "   ! ! ! !"!% 
  
  %" "  ! "!!  "! !!
! !! ! !  %
!  " !  ! !  "!
#" 
Changing Ranges
 ! RANGE "!! ! "% !   
%"  ! "% !   ! "!!
"!!% !   "! 

5
Holding a Measurement
 !#  "$!# !"" # HOLD $## 
 #! H  !"  # " '  # (
"$!# & #  !"" # HOLD $## 
# #$ &# !  !#
Measuring Voltage
WARNING. To avoid elec rical shock o he user or
damage o he ins rumen , do no apply more han
600 VDC or 600 VACRMS be ween any erminal of he
ins rumen and ear h ground.
Use ex reme cau ion o avoid personal con ac wi h
high vol age when measuring in high vol age circui s.
 # #  #"#  # # COM  #!
 # ! #"#  # # V #!
 % # " "&# # # V$#
 !"" # blue function button # "#  ! 
"$!#
 # # #"# " !"" # "$! !  
$##! $##' "#" # ! 
" '" # !#'  %#

6
Measuring Resistance
WARNING.      
       
         

        COM  
      V
        
   
       
Checking Continuity
        COM  
      V
       
         
        
       
    !