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A. INTRODUCTION
1. Congratulations!!
Thank you for purchasing Snap-on brand products. The
meter is easy to use and is built to last. It is backed by a
7 year limited warranty. Please remember to complete and
return your product warranty registration card.
2. Product Description
The EEDM504D is a hand held autoranging DMM. The
EEDM504D measures ACV, DCV, ACA, DCA, Resistance,
Frequency, Duty Cycle, Diodes and Continuity.
The EEDM504D also features:
• REC Records Min/Max readings during
specified measurement intervals.
• RANGE Allows the user to manually range the
EEDM504D instead of autoranging.
• HOLD Holds the reading on the display for
easy viewing.
• REL Displays the value as a difference to
a reference value
• AUTO OFF Preserves battery life.
The EEDM504D comes complete with the following
accessories:
EEDM504D Instrument
Zippered Vinyl Carrying Case
Rubber Boot
Test Lead Set
Instruction Manual
TABLE OF CONTENTS
A. INTRODUCTION
1. Congratulations . . . . . . . . . . . . . . . . . .3
2. Product Description . . . . . . . . . . . . . . .3
3. EC Declaration of Conformity . . . . . . . .4
B. SAFETY CONSIDERATIONS . . . . . . . . . . . . .5
C. TECHNICAL DATA
1. Features and Benefits . . . . . . . . . . . . . .6
2. Product Applications . . . . . . . . . . . . . .7
3. Specifications . . . . . . . . . . . . . . . . .8-10
D. MEASUREMENT TECHNIQUES
1. Controls and Functions . . . . . . . . . . .11
a) Push Buttons . . . . . . . . . . . .11
b) Rotary Switch . . . . . . . . . . . .12
c) Input Jacks . . . . . . . . . . . . . .12
d) Disable Auto Power Off . . . .12
2. Step by Step Procedures:
a) Measuring DC Volts . . . . . . .13
b) Measuring AC Volts . . . . . . .14
c) Measuring DC Amps . . . . . .15
d) Measuring AC Amps . . . . . .16
e) Measuring Resistance . . . . .17
f) Measuring Diodes . . . . . . . .18
g) Continuity Buzzer . . . . . . . . .19
h) Measuring Capacitance . . . .20
i) Measuring Frequency . . . . . .21
j) Record Mode . . . . . . . . . . . .22
k) Relative Mode . . . . . . . . . . .22
F. MAINTENANCE
1. Testing Fuses in Circuit . . . . . . . . . . . .23
2. Fuse Replacement . . . . . . . . . . . . . . .23
3. Battery Replacement . . . . . . . . . . . . . .24
4. Cleaning Your Meter . . . . . . . . . . . . . .25
G. TROUBLE SHOOTING GUIDE . . . . . . . . . . .25
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