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Страница 1: ...Model 72 8170 Analog Volt Ohm Meter INSTRUCTION MANUAL Tenma Test Equipment www tenma com ...
Страница 2: ... scale DCV 1000V 5 full scale Input impedance 20KΩ volt 12V 30V 120V 300V 4 full scale ACV 1000V 5 full scale Input impedance 9KΩ volt 120µA 3mA 30mA 300mA 3 full scale DCA 10A 5 full scale Ohms x1Ω x100Ω x1KΩ x10KΩ 3 of arc Continuity Beeps below 100Ω Battery test 1 5V 300mA 9V 30mA Displays Replace Good Operating temperature range 0 40 C Relative humidity 80 Power source 1 5V AA x2 plus 9V x1 Fu...
Страница 3: ...e load to be measured Read the value on the DC scale be sure to use the correct scale for the range selected AC Voltage Measurement Set the range selector to the proper ACV position Connect the red lead to the VΩA input Connect the black lead to the COM input Connect the test leads in parallel to the load to be measured Read the value on the AC scale be sure to use the correct scale for the range ...
Страница 4: ...per Ω position Zero the meter This is accomplished by simultaneously depressing the 0Ω CAL SW button and rotating the OHMS ADJUST control until the meter displays 0 ohms If a 0Ω reading cannot be obtained the meter batteries are low and should be replaced Connect the red lead to the VΩA input Connect the black lead to the COM input Connect the test probes to the circuit or device under test Make c...
Страница 5: ...a PNP transistor the green LED indicates NPN Cleaning and General Maintenance Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents Periodically terminals and test probes standard spray contact cleaner as dirt and moisture affect readings Turn the Meter to OFF position when it is not in use and remove the batteries if the meter is not to be used for a lon...
Страница 6: ...the rear housing from the meter assembly Locate and replace the fuse in its socket located on the surface of the internal PC board Replace with only a comparable 5mm x 20mm 0 5A 250V fast blow type fuse Replace the rear housing and reinstall the screws Important Note Replacement of the fuses is seldom required A blown fuse is always a direct result from improper meter use Tenma Test Equipment 405 ...
Страница 7: ...018722 76 1564 A1170 72 14500 72 14530 EU 72 13668 72 13686 72 13736 72 13742 72 13798 72 13818 72 13822 72 13824 72 13836 72 13858 72 13950 72 14090 72 14096 72 14112 72 14228 72 14300 72 14302 21 10164 21 10154 72 10405 BC0024434 CBB019217 76 1448 76 024 72 13654 72 13762 72 13826 72 13872 72 13874 72 13888 72 13986 72 14014 72 14154 72 14230 72 14272 21 10152 72 9405 72 7615 72 9490 76 1446 76 ...
