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LIMITED WARRANTY

 TABLE OF CONTENTS

SERVICE

For service send your product to Auto Meter in a well-packed shipping 

carton. Please include a note explaining what the problem is along with 

your phone number. If you are sending the product back for Warranty 

adjustment, you must include a copy (or original) of your sales receipt 

from the place of purchase. 

12 MONTHS FROM DATE OF PURCHASE-CABLES 90 DAYS 

The manufacturer warrants to the consumer that this product will be 

free from defects in material or workmanship for a period of twelve 

(12) months from the date of original purchase.  

Products that fail within this 12 month warranty period will be repaired 

or replaced at the manufacturer’s option to the consumer, when 

determined by the manufacturer that the product failed due to defects 

in material or workmanship.  This warranty is limited to the repair or 

replacement of parts and the necessary labor by the manufacturer to 

effect the repair or replacement of the product.  In no event shall the 

manufacturer be responsible for special, incidental or consequential 

damages or costs incurred due to the failure of this product.  

Improper use, accident, water damage, abuse, unauthorized repairs 

or alterations voids this warranty.  The manufacturer disclaims any 

liability or consequential damages due to breach of any written or 

implied warranty on its test equipment. 

WARRANTY AND SERVICE INFORMATION 

Warranty claims to the manufacturer’s service department must be 

transportation prepaid and accompanied with dated proof of purchase.  

This warranty applies only to the original purchaser and is non-

transferable.  Shipper damage incurred during return shipments is not 

covered under this warranty.  It is the responsibility of the shipper (the 

customer returning the Test Equipment) to package the tester properly 

to prevent any damage during return shipment.  Repair costs for such 

damages will be charged back to shipper (customer returning the Test 

Equipment).  Protect the product By shipping in original carton or add 

plenty of over-pack cushioning such as crumpled up newspaper.  

Maintenance and Cleaning -------------------------------2

Safety ----------------------------------------------------------3

Battery Replacement --------------------------------------3

Features -------------------------------------------------------4

Controls and Functions --------------------------------- 4-5

Operation Instructions                                  

DC/AC Current Measurements ---------------------6

DC/AC Voltage Measurements ---------------------7

Diode Test ------------------------------------------------8

Capacitance Measurment ----------------------------8

Temperature Measurement --------------------------8

Resistance Measurement ----------------------------9

Continuity Test ------------------------------------------9

Frequency Measurment ---------------------------- 10

Duty Measurment ------------------------------------ 10

Diode Test ---------------------------------------------- 10

Relative Reading Measurements ---------------- 10

Holding the LCD Reading -------------------------- 11

Finding the MAX/MIN Value ----------------------- 11

Change Auto-range Mode to Manual Mode --- 11

Disable Auto Power Off ----------------------------- 11

Charging System Tests

 

State of Charge -------------------------------------- 12

 

Amp Draw Check ------------------------------------ 12

 

Alternator Test ---------------------------------------- 13

 

Starter Draw Test ------------------------------------ 14

Specifications ---------------------------------------------- 15

Warranty ---------------------------------------------------- 19

MAINTENANCE and CLEANING

 

Periodically wipe the case with a damp cloth and detergent; 

do not use abrasives or solvents.  

 

Use the hand strap to avoid accidental dropping. Negligent 

use of your meter will void the warranty.

 

Keep away from heat and liquid solvents.  

 

Keep in a protective place when not in use.

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Summary of Contents for DM-46

Page 1: ...The DM 46 is the auto industry s answer to pocket portability in a professionally accurate meter 2650 1910 77 11 9 16 Auto Meter Products Inc 413 West Elm Street Sycamore IL 60178 Service 815 899 0801 Toll Free 866 883 TEST 8378 www autometer com test T est Equipment 20 1 ...

Page 2: ...y claims to the manufacturer s service department must be transportation prepaid and accompanied with dated proof of purchase This warranty applies only to the original purchaser and is non transferable Shipper damage incurred during return shipments is not covered under this warranty It is the responsibility of the shipper the customer returning the Test Equipment to package the tester properly t...

Page 3: ...ry I CAT I Equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low lever Overvoltage Category II CAT II Energy consuming equipment to be supplied from the fixed installation Overvoltage Category III CAT III Equipment in fixed installations BATTERY REPLACEMENT 1 Turn the power off and remove the test leads from the clamp meter 2 Rem...

Page 4: ...easurement Press once minimum value shall be display and updated Press again maximum value shall be displayed and updated Zero function will be disabled if MAX MIN is enabled This button is not available in Duty Hz Continuity Diode or Capacitance function SPECIFICATIONS CONTINUED 4 17 TEMPERATURE K Type Thermal Couple w Adapter C or F Range Resolution Accuracy Overload Protection 40 0 C 0 1 C 2 0 ...

Page 5: ... to the actual reading Each segment represents one count 13 MAX or MIN is displayed on the LCD when the MIN MAX button is pressed 14 Continuity Symbol If continuity function is selected this symbol shall appear on LCD 15 Units are displayed on the LCD when a function is selected The corresponding symbols are V A Ω and Hz 16 V Ω Hz Capacitance Temperature input Terminal This terminal is used as inp...

Page 6: ...e jaw and fully enclose the conducting wire to be measured Be sure there is no air gap between the two half jaws 3 Read the measured value from the LCD SPECIFICATIONS Conductor Size 23mm max approx Battery Type two 1 5V AA Display 3 3 4 LCD with 40 seg bar graph Range Selection manual Overload Indication OL Power Consumption 10mA approx Low battery Indication Sampling Time 3 times sec display 30 t...

Page 7: ...s proper procedure to disable ignition if needed Improper methods could cause damage to vehicles that are computer controlled 2 Determine the manufactures Starter Draw specifications If not available use the following chart as a guide 3 Select DC 200 Amp and zero the DM 46 by pressing the yellow button 4 Press the MAX MIN button twice and make sure the display reads HOLD MAX 5 Clamp the DM 46 arou...

Page 8: ...from 12 8 to 15 Volts DC If the reading is low the alternator is not charging If the reading is high the alternator is over charging and could damage the battery 7 Switch the DM 46 to DC 200 Amps 8 Clamp the DM 46 around the positive alternator conductor leading to the positive terminal of the battery See illustration above 9 Make sure the small arrow inside the clamp is pointing in the direction ...

Page 9: ... the resistance is lower than 10 Ω a beeping sound will be heard CHARGING SYSTEM TESTS The following section shows what you can do with the DM 46 in testing your charging system State of Charge 1 Select DC Volts on the DM 46 2 Place the Volt leads to the red positive and black battery terminals 3 If the Volts are less than 12 5 Volts the battery needs charging Amp Draw Check 4 Turn off ignition an...

Page 10: ...rmal mode But this function is disabled if MAX MIN function is enabled Please watch for symbol displayed on LCD Press the HOLD button and the reading will be held on the LCD FINDING THE MAX MIN VALUE Press the MAX MIN button to enable the maximum and minimum values to be recorded and updated during measurement Push the button once the maximum value will be displayed and updated The LCD display tog...

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