Craftsman 81079 Uživatelský manuál

Owner's Manual True RMS Multimeter with IR Thermometer Model No. 81079 © Sears, Roebuck and Co., Hoffman Estates, IL 60

10BATTERY INSTALLATION WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery cover. 1.

11OPERATING INSTRUCTIONS WARNING: Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and should be measured with great

12AC VOLTAGE MEASUREMENTS AC VOLTAGE: The probe tips may not be long enough to contact the live parts inside some 240V outlets for appliances because

13DC CURRENT MEASUREMENTS CAUTION: Do not make current measurements on the 20A scale for longer than 30 seconds. Exceeding 30 seconds may cause dama

14AC CURRENT MEASUREMENTS WARNING: To avoid electric shock, do not attempt to measure AC A in circuits that have voltages which exceed 250V AC. CA

15RESISTANCE MEASUREMENTS WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any re

16CONTINUITY CHECK WARNING: To avoid electric shock, never measure continuity on circuits or wires that have voltage on them. 1. Set the function sw

17CONTACT TEMPERATURE MEASUREMENTS 1. Set the function switch to the (K) ºF or ºC position. 2. Insert the Temperature Probe into the input jacks, m

18NON-CONTACT TEMPERATURE MEASUREMENTS 1. Set the function switch to the Non-Contact (IR) ºF or ºC position. 2. Point the meter at the surface to be

19CAPACITANCE MEASUREMENTS WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any c

2TABLE OF CONTENTS Warranty Page 3 Safety Instructions 4 Safety Symbols 5 Control and Jacks 6 Symbols and Annunciators 6 Specificati

20FREQUENCY MEASUREMENTS 1. Set the function switch to the “FREQ %” position. 2. Insert the black lead banana plug into the negative COM jack and t

21AUTORANGE/MANUAL RANGE SELECTION When the meter is first turned on, it automatically goes into AutoRanging. This automatically selects the best ran

22DATA HOLD The hold function freezes the reading in the display. Press the HOLD key momentarily to activate or to exit the hold function. Note: In t

23MAINTENANCE WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the back cover or the battery c

24BATTERY REPLACEMENT WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery cover. 1. W

25FUSE REPLACEMENT WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery cover. 1. Dis

26TROUBLESHOOTING There may be times when your meter does not operate properly. Here are some common problems that you may have and some easy soluti

3ONE YEAR FULL WARRANTY ONE YEAR FULL WARRANTY ON CRAFTSMAN PROFESSIONAL TRUE RMS MULTIMETER If this CRAFTSMAN Professional True RMS Multimeter fails

4SAFETY INSTRUCTIONS This meter has been designed for safe use, but must be operated with caution. The rules listed below must be carefully followed

5SAFETY SYMBOLS This symbol adjacent to another symbol, terminal or operating device indicates that the operator must refer to an explanation in the

6CONTROLS AND JACKS 1. IR Thermometer and laser pointer 2. 4000 count LCD display 3. HOLD and Backlite button 4. SELECT button 5. Function switc

7SPECIFICATIONS Function Range Resolution Accuracy 400mV 0.1mV ±(0.3% reading + 2 digits) 4V 0.001V 40V 0.01V 400V 0.1V ±(0.5% reading + 2 digi

8Function Range Resolution Accuracy 400! 0.1! ±(0.8% reading + 4 digits) 4k! 0.001k! ±(0.8% reading + 2 digits) 40k! 0.01k! 400k! 0.1k! 4M!

9Diode Test Test current of 0.3mA maximum, open circuit voltage 1.5V DC typical Continuity Check Audible signal will sound if the resistance is les