Velleman DVM 890L Скачать руководство пользователя | Manualshive

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DVM 890L
LCD Standard Digital Multimeter
LCD Standaard Digitale Multimeter
Multimètre Digital LCD Standard

USER MANUAL
GEBRUIKERSHANDLEIDING
MANUEL D’UTILISATION

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Содержание DVM 890L

Страница 1: ...DVM 890L LCD Standard Digital Multimeter LCD Standaard Digitale Multimeter Multimètre Digital LCD Standard USER MANUAL GEBRUIKERSHANDLEIDING MANUEL D UTILISATION ...

Страница 2: ...itance measurements 1pF to 20µF Diode testing with 1mA fixed current Transistor hFE test with Ib 100µA Temperature measurement with or without K type thermocouple 1 2 A word about safety This multimeter is designed to ensure the safest operation possible However safe operation depends on you the operator Make sure you follow these simple safety rules Never apply a voltage to the multimeter that ex...

Страница 3: ...ay 2 Power On Off button 3 Transistor test socket 4 RANGE and FUNCTION switch 5 Capacity input sockets 6 Input connection temperature probe 7 mA input connector 8 V Ω input connector 9 20A MAX input connector 10 COM input connector ó ú ø û ì ö í ç ...

Страница 4: ...h the power switch to release the Auto Power Off function and then push it again 2 3 Input jacks This meter has four input jacks that are protected against overload to the limits listed below During use connect the black test lead to the COM jack and connect the red test lead in accordance with the selected function FUNCTION RED LEAD CONNECTION INPUT LIMITS 200mV V Ω 250V dc or rms ac V V V Ω 1000...

Страница 5: ...on will be indicated on the LCD display Note 1 If the voltage range is unknown beforehand set the FUNCTION switch to a high range and work your way down 2 The figure 1 on your display indicates overrange This means that the FUNCTION switch should be set to a higher range 3 Do no apply more than 1000V to the input Higher voltages can be applied BUT may very well damage the internal circuitry 4 Use ...

Страница 6: ... voltage drop is 200mV 3 4 AC Current measurement 1 Connect the black test lead to the COM input connector and the red test lead to the 200mA input connector for a maximum of 200mA Move the red test lead to the 20A input connector for a maximum of 20A 2 Set the FUNCTION switch to the A range 3 Connect the test leads IN SERIES to the load being tested 4 Read the LCD display Note 1 If the current ra...

Страница 7: ... resistance equal to full scale value C current in milliampères through a short circuit at the input jacks All values are typical RANGE A B C 200Ω 0 65 0 08 0 44 2K 0 65 0 3 0 27 20K 0 65 0 42 0 06 200K 0 65 0 43 0 007 2M 0 65 0 43 0 001 20M 0 65 0 43 0 0001 200M 3 2 98 0 3 3µA 3 6 Capacitance measurements 1 Before connecting the test capacitor note that the display may show readings other than ze...

Страница 8: ...he socket on the front panel 3 The display will show the approximate hFE value at the moment of testing Base current 10 µA Vce 2 8V 3 9 Temperature measurement 1 Measure temperature with a K type thermocouple Set the FUNCTION switch to the T range and insert the K type thermocouple plug into the K PROBE socket 2 Measure ambient temperature without a probe Use the same T range the display will show...

Страница 9: ... rate 2 3 readings per sec approx Temperature for guaranteed accuracy 23 C 5 C Temperature range Operating 0 C to 40 C 32 F to 104 F Storage 10 C to 50 C 14 F to 122 F Power supply 1 x 9V battery Battery low indication Battery sign to left of display Size 88 x 170 x 38mm Weight 340g including 9V battery Accessories Operating manual Set of test leads Thermocouple K type 400 C Spare fuse 200mA 250V ...

Страница 10: ... 15 seconds above 300Vrms 4 4 DC Current Range Resolution Accuracy 2mA 1µA 0 8 of rdg 1 digits 20mA 10µA 200mA 100µA 1 2 of rdg 1 digits 20A 10mA 2 of rdg 5 digits Overload protection F 0 2A fuse 20A range not fuse protected Maximum input current 20A 15 sec 4 5 AC Current Range Resolution Accuracy 20mA 10µA 1 2 of rdg 3 digits 200mA 100µA 2 0 of rdg 3 digits 20A 10mA 3 of rdg 7 digits Overload pro...

Страница 11: ...cted from the measurement result 4 7 Capacitance Range Resolution Accuracy 2000pF 1pF 20nF 10pF 200nF 100pF 2 5 of rdg 5 digits 2µF 1nF 20µF 10nF 4 8 Transistor hFE test Range Description Test condition hFE Display shows approx hFE value 0 1000 of the transistor under test ALL TYPES Base Current approx 10µA Vce approx 2 8V 4 9 Temperature Range Temperature range Accuracy Resolution 50 C 400 C 0 75...

Страница 12: ...olts AC to the instrument B Never connect a voltage source to the instrument with its function switch set to the OHM position C Never operate the DVM unless the back cover is in place and fully closed D Battery and or fuse replacement should only be performed once the test leads have been disconnected and the power is OFF 5 1 9 Volt battery replacement Check the condition of the 9V battery when fo...

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