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Auto Meter Products Inc.
413 West Elm Street
T est Equipment
Sycamore, IL 60178
DM-45
Toll Free (866) 883-TEST (8378)
Instruction Manual
Fax (815)-895-6786
www.autometer.com
Automotive Multimeter and Inductive Amp Probe
The DM-45 is the auto industry's answer to pocket portability in a profes-
2650-916X-10
Rev. D
sionally accurate meter.
20
1
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Summary of Contents for Auto Meter DM-45
- Page 1 T est Equipment Sycamore, IL 60178 DM-45 Toll Free (866) 883-TEST (8378) Instruction Manual Fax (815)-895-6786 www.autometer.com Automotive Multimeter and Inductive Amp Probe The DM-45 is the auto industry’s answer to pocket portability in a profes- 2650-916X-10 Rev. D sionally accurate meter.
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Page 2: Table Of Contents
LIMITED WARRANTY SERVICE Maintenance and Cleaning -------------------------------2 For service send your product to Auto Meter in a well-packed shipping Safety ----------------------------------------------------------3 carton. Please include a note explaining what the problem is along with your phone number. If you are sending the product back for Warranty... -
Page 3: Safety
NOTES SAFETY Carefully read all operating instructions before using the DM-45 Wear eye protection when working around batteries. Keep sparks, flames, or cigarettes away from batteries. Keep hair, hands, and clothing as well as tester leads and cords away from moving blades and belts. -
Page 4: Features
FEATURES SPECIFICATIONS CONTINUED 10mA high resolution on 40A DC/AC range. RESISTANCE ( Ω): (open voltage 0.4) Temperature (Degrees C or F) and Capacitance Range Resolution Accuracy Overload Protection One touch zero for DCA adjustment. + 1.5% + 2dgts AC 600V Auto-range for V, A, Ω, F, and temperature 400Ω... - Page 5 SPECIFICATIONS (23 CONTROLS AND FUNCTIONS DG Current Range Resolution Accuracy Overload Protection Max/Min Hold Button is used to enable the maximum or minimum + 1.5% + 2dgts 10mA DG 400A value to be displayed and updated during measurement. Press once, minimum value will be displayed and updated.
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Page 6: Dc/Ac Current Measurements
SPECIFICATIONS DC/AC CURRENT MEASUREMENTS Conductor Size: 23mm max. (approx.) all the test leads are disconnected WARNING: Make sure that Battery Type: two 1.5V SUM-3 from the meter’s terminals for current measurement. Display 3 3/4 LCD with 40 seg. bar graph Range Selection: manual Overload Indication:... -
Page 7: Dc/Ac Voltage Measurements
650A DC VOLTAGE Select DC 200 Amp and zero the DM-45 by pressing the yellow button. Set the rotary switch at V Press the MAX/MIN button twice and make sure the display reads Insert the test leads into the input jack. -
Page 8: Diode Test
Make sure the small arrow inside the clamp is pointing in the direction of the current towards the battery. Also make sure the DM-45 is clear of any moving belts, fan blades or anything that TEMPERATURE might damage the meter. -
Page 9: Resistance Measurement
Select DC 45 Amps on the DM-45. Zero the DM-45 by pressing the yellow button. Clamp the DM-45 around the positive (+) battery cable . Make sure it is clamped around all wires. If the display is above 2 Amps there is probably a draw upon the battery by the electrical system. -
Page 10: Rpm Measurement
RPM MEASUREMENT HOLDING THE LCD READING Set the rotary switch at RPM. Press the HOLD button and the reading will be held on the Insert the RPM adapter into the input jack. LCD. the wire connected to the spark plug of Clamp on to any single cylinder of the engine.
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