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Summary of Contents for Velleman DVM890
- Page 1 DVM890 Multifunctional Digital Multimeter Multifunctionele Digitale Multimeter Multimètre digital multifonctions USER MANUAL GEBRUIKERSHANDLEIDING MANUEL D’UTILISATION...
- Page 2 DVM890 -- Multifunctional Digital Multimeter 1. Introduction Your DVM890 is a professional digital multimeter with a 3 ½ digit LCD display. It is ideally suited for professional, academic and home applications. The device is equipped with the latest in IC and display technology.
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Page 3: Description Of The Front Panel
DVM890. 2.3. Input Jacks The DVM890 is equipped with 4 input jacks that are protected against overload. The limit values are listed in the table below. The black test lead should be connected to the "COM" jack. The red test lead should be connected to one of the other three input jacks, depending on the required function. - Page 4 4. The polarity of the red test lead and the measured current are displayed on the LCD. Remark : Set the FUNCTION switch to the highest range and gradually work your way down if the current range is unknown beforehand. DVM890...
- Page 5 4. For continuity tests : connect the test leads to two random points of the circuit to be tested. The incorporated buzzer is activated if the resistance between the two test leads is lower than ± 30Ω. DVM890...
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Page 6: Specifications
3 ½ digit LCD, 2 to 3 readings/sec. Fuse Protection 200mA-range : F 0.2A/250V 20A-range : - - - Power Supply 9V-battery Ranging Method manual Polarity Indication " - " is displayed Overrange Indication " 1. " is displayed automatically DVM890... - Page 7 20mA 10µA ± 1.2% of rdg ± 1 digit 200mA 100µA ± 2.0% of rdg ± 5 digits 10mA Overload Protection : F 0.2A fuse (20A-range is not protected by a fuse) Max. Input Current : 20A, 15 sec. DVM890...
- Page 8 ± 1.5% of rdg ± 15°C 1°C 0°C to 40°C ± 2°C Using a K-type thermocouple probe Using the built-in temperature sensor 4.9. Frequency Range Resolution Accuracy ± 1% of rdg ± 1 digit 20kHz 10Hz Overload Protection : AC 220Vrms DVM890...
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Page 9: Replacing The Battery And The Fuse
The fuse rarely needs to be replaced and a blown fuse is nearly always due to an error on behalf of the operator. Open the housing (see above) and replace the blown fuse with an identical one : F : F 0.2A/250V. DVM890...
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