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DVM890

Multifunctional Digital Multimeter

Multifunctionele Digitale Multimeter

Multimètre digital multifonctions

USER MANUAL

GEBRUIKERSHANDLEIDING

MANUEL D’UTILISATION

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Summary of Contents for DVM890

Page 1: ...DVM890 Multifunctional Digital Multimeter Multifunctionele Digitale Multimeter Multimètre digital multifonctions USER MANUAL GEBRUIKERSHANDLEIDING MANUEL D UTILISATION ...

Page 2: ...d ground Use extreme caution when working with voltages in excess of 60VDC or 30Vrms AC Always discharge the filter capacitors in a power supply circuit before attaching the test leads Never connect a voltage source to the DVM890 when it is in current DCA or ACA mode resistance or continuity mode Always turn off the power and disconnect the test leads prior to replacing the battery or fuse The use...

Page 3: ... 1 Range and Function Selector This rotary switch is used to install the various functions and each of the 32 ranges 2 2 Power Switch This push button activates and deactivates the device The DVM890 is also equipped with an energy saving feature the meter is automatically deactivated when the RANGE and FUNCTION selector has not been used for 15 minutes The user will have to press the ON OFF button...

Page 4: ...suring AC Voltage 1 Connect the black test lead to the COM jack and the red test lead to the VΩHz jack 2 Select the appropriate V range with the FUNCTION switch and connect the test leads to the source or load to be tested 3 The measured value appears on the LCD display Remark Set the FUNCTION switch to the highest range and gradually work your way down if the voltage range is unknown beforehand 3...

Page 5: ...he display if the input is not connected or if the resistance being measured exceeds the max value of the selected range v Disconnect the circuit to be tested and make sure that all capacitors are fully discharged before measuring the in circuit resistance 3 6 Measuring Capacitance 1 Connect the test capacitor to the Cx input connection 9 in figure on p 2 Do NOT connect the capacitor to one of the...

Page 6: ...est lead to the VΩHz jack 2 Select the KHz range with the FUNCTION switch and connect the test leads to the source or load to be tested Remarks v Do not apply more than 220Vrms to the input v Use shielded cable for measuring a weak signal in a noisy environment 3 11 Automatic Power off 1 The device will be deactivated automatically when the FUNCTION and RANGE switch has not been used for 15 minute...

Page 7: ...C for all ranges 4 3 AC Voltage Range Resolution Accuracy 200mV 100µV 1 2 of rdg 3 digits 2V 1mV 20V 10mV 200V 100mV 0 8 of rdg 3 digits 700V 1V 1 2 of rdg 3 digits Input Impedance 10MΩ for all ranges Frequency Range 40 to 400Hz Overload Protection 750Vrms or 1000V peak continuous except for the 200mVAC range max 15 sec above 300Vrms 4 4 DC Current Range Resolution Accuracy 2mA 1µA 20mA 10µA 0 8 o...

Page 8: ... 2kΩ 1Ω 20kΩ 10Ω 200kΩ 100Ω 2MΩ 1kΩ 0 8 of rdg 1 digit 20MΩ 10kΩ 1 of rdg 2 digits 200MΩ 100kΩ 5 of rdg 10 digits 4 7 Capacitance Range Resolution Accuracy 2000pF 1pF 20nF 10pF 200nF 100pF 2µF 1nF 20µF 10nF 2 5 of rdg 5 digits 4 8 Temperature Range Temperature Range Resolution Accuracy 50 C to 400 C 0 75 of rdg 3 C 400 C to 1000 C 1 5 of rdg 15 C T 0 C to 40 C 1 C 2 C Using a K type thermocouple p...

Page 9: ...n the wall 3 Each of the two supports in fig D can hold a test lead 6 Replacing the Battery and the Fuse The symbol appears when the battery needs to be replaced Proceed as follows 1 Disconnect the test leads from all live sources switch off the device and remove the test leads from the input terminals BEFORE opening the housing This is necessary in order to avoid the risk of electroshocks 2 Remov...

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