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CEN-TECH P37772 Owner's Manual & Safety Instructions
CEN-TECH P37772 Owner's Manual & Safety Instructions

CEN-TECH P37772 Owner's Manual & Safety Instructions

11 function digital multimeter with audible continuity

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Owner's Manual & Safety Instructions
Save This Manual
operating, inspection, maintenance and cleaning procedures. Write the product's serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference.
Email our technical support at: productsupport@harborfreight.com
REV 14f
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
©
Copyright
2004 by Harbor Freight Tools
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Keep this manual for the safety warnings and precautions, assembly,
Visit our website at: http://www.harborfreight.com
®
. All rights reserved.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.

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Summary of Contents for CEN-TECH P37772

  • Page 1 Owner’s Manual & Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
  • Page 2: Important Safety Information

    Table of contents Safety ..........2 Operation ........7 Specifications ......6 Maintenance ....... 11 Setup ...........5 Warranty ........12 WARNING SyMBOLS AND DEFINITIONS This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
  • Page 3 d. Any abnormal operation is 14. WARNING: This product contains detected. lead, a chemical known to the State (If in doubt about the condition of California to cause cancer and of the meter, have it serviced.) birth defects or other reproductive harm.
  • Page 4 23. The warnings, cautions, and 28. Do not apply voltage to the Test instructions discussed in this Leads when the Multimeter is in instruction manual cannot cover all the Ohms testing setting. Damage possible conditions and situations can occur to the multimeter. that may occur.
  • Page 5: Setup - Before Use

    Setup - Before Use: Read the ENTIRE IMpORTANT SAFETy INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product. Functions Range Diode power Resistance Selector position Hold Section Switch continuity position...
  • Page 6: Specifications

    Specifications Max. Voltage 1000Vdc/700rms ac (sine) DC Voltage Ranges: 200mV/2/20/200/1000V DC Voltage Accuracy (@200mV-200V) 0.5% of rdg ±1D; (@1000V) 0.8% of rdg ±2D AC Voltage Ranges: 200mV/2/20/200/700V Frequency Range: 40-400Hz AC Voltage Accuracy (@200mV) 1.2% of rdg ±3D; (@2-200V) 0.8% of rdg ±3D; (@700V) 1.2% of rdg ±3D DC Current Ranges:200μA/2mA/20mA/2A/10A...
  • Page 7: Tool Set Up

    Operating Instructions Read the ENTIRE IMpORTANT SAFETy INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product. Tool Set Up There are different functions This meter has four input jacks that and 30 ranges provided.
  • Page 8: Ac Current Measurements

    General Operating Instructions Ac Voltage Measurements Measure AC conductors carrying Carefully touch the exposed up to 700 VAC, 45-450 Hz. conductors with the tips of the probes to measure the voltage (not amperes). Turn the Range Selector Switch to 700 ACV setting. Start with the highest Read measurement.
  • Page 9: Resistance Measurements

    Resistance Measurements Measure circuit resistance up to 20M Ohms. Read measurement. If the reading is “1”, set the Range Selector Switch to WARNING! Do not measure resistance the next higher Ohm (Ω) position. on circuit with voltage running through it. When measuring resistance above 1 Notice: When measuring Ohms, MΩ, the meter may take a few seconds...
  • Page 10: Continuity Measurement

    Transistor (hFE) Measurements Test transistors to ensure proper function. The meter will show the approximate hFE value at the test condition of Turn the Range Selector Switch base current 10μA and Vce 3.2V. to the hFE position. Switch the Multimeter ON. Remove and store Transistor.
  • Page 11: Maintenance And Servicing

    Maintenance and Servicing procedures not specifically explained in this manual must be performed only by a qualified technician. cleaning, Maintenance, and Lubrication Wipe unit with a dry, lint-free cloth. Store unit in a dry location. Do not use solvents or abrasives. Other than the battery and fuse, Remove battery if not in there are no replaceable parts...
  • Page 12 Limited 90 Day Warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance.

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