Tenma 72-2590 User Manual Download Page 1 | Manualshive

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Model: 72-2590 and 72-2595

Digital Multimeter

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Summary of Contents for 72-2590

Page 1: ...1 Model 72 2590 and 72 2595 Digital Multimeter ...

Page 2: ...0 seconds For current values over 5A the wait period between each measurement must be longer than 15 minutes When a measurement has been completed disconnect the testing probes from the circuit under test Replace the batteries as soon as the low battery indicator appears on the display Remove dead batteries from the meter or if it is not going to be used for a long time Never mix old and new batte...

Page 3: ...bient temperature 23º 5º Relative Humidity 75 DC VOLTAGE Range Resolution Accuracy 200mV 100μV 0 5 1 2V 1mV 20V 10mV 200V 100mV 600V 1V 0 8 2 Note Input Impedance 10MΩ for all ranges AC VOLTAGE Range Resolution Accuracy 2V 1mV 0 8 3 20V 10mV 200V 100mV 600V 1V 1 5 5 Note Input Impedance 10MΩ for all ranges Frequency range 45Hz 400Hz Overload protection 600Vrms or 850Vpk pk Display Mean value RMS v...

Page 4: ...sured voltage drop 200mV for full range AC CURRENT Range Resolution Accuracy 72 2590 72 2595 200μA 0 1μA 1 0 3 N A 2mA 1μA 1 0 3 N A 20mA 10μA N A 1 0 3 200mA 100μA 1 8 3 10A 10mA 3 0 5 Notes Overload Protection uA mA input 500mA 600V Φ6x32mm A input 10A 600V Φ6x32mm Maximum input current 10A For current over 5A measurement time must not exceed 10 seconds and the wait period between each measureme...

Page 5: ... DC or AC for all ranges Relative Humidity 65 for measurements at 200MΩ range CAPACITANCE Range Resolution Accuracy 72 2590 72 2595 2nF 1pF N A 4 0 3 20nF 10pF N A 4 0 3 200nF 100pF N A 4 0 3 2μF 1nF 4 0 3 200μF 100nF 50μF 5 0 4 50μF for reference only Note Testing signal is about 200Hz 40mVrms TEMPERATURE 72 2595 ONLY Range Resolution Accuracy TEMP ºC 40ºC 1000ºC 40ºC 0ºC 1ºC 3 9 0ºC 400ºC 1 5 40...

Page 6: ...or to range Connect the test probes with the power or load being measured in parallel and the polarity of the point touched by the red test probe displays B Measuring AC Voltage Insert the test leads into the input terminals red to V and black to COM Turn the range selector to a range and connect the test probes to the power or load being measured in parallel Notes If the voltage to be measured is...

Page 7: ... in fuse of 500mA 600V Φ6 x 32mm can effectively protect the circuit from burn out The 10A range uses a fuse of 10A 600V Φ6 x32mm for protection Measuring Resistance Insert the test leads into the input terminals red to Ω and black to COM Turn the range selector to a Ω range and connect the test probes to the resistor being measured Notes If the measured resistance is out of the range selected OL ...

Page 8: ...o range Connect the test probes with the diode being tested The reading obtained is the approximate value of the forward voltage drop Connect the test probes with the circuit under test if the resistance between the two tested points is 10Ω the built in buzzer sounds Battery Test 72 2590 only Insert the test leads into the input terminals red to and black to COM Turn the range selector to a range ...

Page 9: ...d the power is off To replace the battery Unscrew and remove the battery cover Replace the battery with a new 9V battery of the same type Refit the cover Clean the meter with a clean soft cloth Do not use any chemicals abrasives or solvents that could damage the meter CLEANING Battery Screw ...

Page 10: ...s is required Do not dispose of these items with general household waste Separate for the treatment recovery and recycling of the materials used Waste batteries can be returned to any waste battery recycling point which are provided by most battery retailers Contact your local authority for details of the battery and WEEE recycling schemes available in your area Made in China PR2 9PP Man Rev 1 0 ...

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