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Summary of Contents for GB Instruments GMT-19A
- Page 1 Analog Multimeter Owners Manual Model • Read this owners manual thoroughly before use and save. Gardner Bender GMT-19A...
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Page 2: Table Of Contents
1. Meter Functions Table of Contents 1.0 Meter Functions 1.0 Meter Functions Figure 1 2.0 Specifications Zero For Your Safety Adjust 3.0 Operating Suggestions Screw Preliminary Adjustments Internal Battery Condition 4.0 DC Voltage Measurement Automotive Batteries Alternators and Generators Household Batteries 5.0 DC Milliamp Measurement Function/ Range... -
Page 3: Specifications
2.0 Specifications WARNING! Use extreme caution when using this multimeter. Improper use of this tester can Ranges: 19 measuring ranges result in severe damage to property, severe DC Voltage: 2.5-10-50-250-1000 Volts personal injury or death. Follow all instructions and AC Voltage: 10-50-250-1000 Volts suggestions in this operators manual as well as DC Current... -
Page 4: Operating Suggestions
Reading the Scale 3.0 Operating Suggestions Resistance 1) Set the function/range switch to the proper position (Ohms) Scale before making a measurement. When the voltage or current is not known, it MUST be determined that the capacity of the selected range will handle the amount of DC Voltage &... -
Page 5: Automotive Batteries
2) Set the function/range switch to the appropriate DC GB #OX-100 anti-oxidant compound (available at your local hardware store). Replace and tighten the terminal connectors. voltage range. If the voltage is unknown, use the highest Secondly, if the terminals and connectors are making good range. -
Page 6: Household Batteries
4.3 Household Batteries Common DC Milliamperage Measurements Household batteries can be tested in either one of two ways. It is important to point out that milliamps can also be For a good/bad check, set the function/range switch to the expressed as thousandths of an Ampere. Therefore 500 1.5V or 9V BAT setting depending on which type of battery is milliamps is 500 thousandths of one Amp or ⁄... -
Page 7: Ac Voltage Measurement
Common AC Voltage Measurements 6.1 Wall Receptacles If the receptacle is controlled by a switch, make sure the 10 Amp switch is ON. Set the function/range switch to 250 ACV. Scale Touch the test leads to the “hot” and “neutral” slots of the receptacle (see fig. -
Page 8: Appliance Receptacles
6.2 Appliance Receptacles scale. If the needle will not zero, replace the internal batteries with two new 1.5 volt AA size batteries (see Set the function/range switch to 250 VAC. Touch the test Battery Replacement) . leads to the receptacle slots. The tester should read 240 VAC between the two “hot”... -
Page 9: Extension Cords
Common Resistance and Should it be determined that the cord is not the source of the problem, the appliance may need to be disassembled in order Continuity Measurements to pinpoint the problem. Refer to the owners manual of the Continuity tests are probably the most frequently performed appliance. -
Page 10: Heating Elements
$15.23 per copy ($13.23 plus $2.00 per copy shipping and handling) to: The decibel feature of this multimeter is for transistor gain Gardner Bender measurement in electronic circuits and should not be confused with audio decibels. This function is used primarily P.O. - Page 11 www.gardnerbender.com PO Box 3241 • Milwaukee, WI 53201-3241 • 414-352-4160 Gardner 6615 Ordan Drive • Mississauga, Ontario L5T 1X2 • 905-564-5749 Bender Rev. A...
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