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IDM 503 / 505 English

15

dB and dBm (ACV / ACmV only)

The decibel (dB) is a logarithmic unit of measurement that expresses the magnitude of a

physical quantity relative to a specified or implied reference level. The dB and dBm are

defined below.

dB = 20 log

dBm = 20 log

V

AC

1

V

AC

0.7746

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Содержание IDM 503

Страница 1: ...EN Instruction Manual IDM 503 IDM 505 Digital Multimeters IDM 505...

Страница 2: ...terminals Verify the instrument is operating correctly by measuring a known voltage before use If in doubt have the instrument serviced Do not apply more than the rated voltage as marked on the instru...

Страница 3: ...to measure the voltage of a circuit this could result in damage the instrument and the equipment under test Symbols as marked on the instrument and instruction manual Maintenance Do not attempt to re...

Страница 4: ...OL 40 00V 0 4Vac Reading N A Reading 4 30Vac Reading Reading N A Reading 30 40Vac Reading Reading N A Reading 40Vac OL N A OL 0 4Vdc N A Reading Reading 4 30Vdc Reading N A Reading Reading 30 40Vdc R...

Страница 5: ...V 10 000V 0 10Vac Reading Reading N A Reading 10Vac OL N A OL 0 10Vdc Reading N A Reading Reading 10Vdc N A OL OL 100 00V 0 10Vac Reading N A Reading 10 30Vac Reading Reading N A Reading 30 100Vac Re...

Страница 6: ...scription Front Panel Illustration 1 LCD display 4000 40000 counts for IDM503 10000 100000 counts for IDM505 2 Push buttons 3 Rotary switch to turn the power on or off and to select a function 4 Input...

Страница 7: ...ll warnings and cautions When connecting the test leads to the device under test connect the common test lead before connecting the live lead when removing the test leads remove the test live lead bef...

Страница 8: ...age through a low pass filter to reject the high frequency The 3dB point of the low pass filter is 800 Hz The HFR mode can be used when the rotary switch is in the V mV position To use HFR mode press...

Страница 9: ...IDM 503 505 English 9 Diode Testing Measuring AC DC Current Press the blue button to select the measuring function AC DC AC DC...

Страница 10: ...IDM 503 505 English 10 Measuring Frequency Press the blue button to select the measuring function Period Duty Measuring Temperature C F Press the blue button to select the measuring function C F...

Страница 11: ...D In the Auto Hold function the instrument holds the reading and the current reading appears on the upper display When the difference of the held value and the current value is above 20 counts the ins...

Страница 12: ...go below the recorded peak minimum value or above the recorded peak maximum value the Instrument records the new value To use the Peak HOLD mode press the P HOLD button Sub Functions navigation option...

Страница 13: ...IDM 503 505 English 13 STORE and RECALL The store function records the input values to memory and recalls them from memory after Up to 1000 readings can be stored and recalled...

Страница 14: ...cords the minimum and maximum input values When the inputs go below the record minimum value or above the record maximum value the Instrument records the new value The MAX MIN AVG mode can also calcul...

Страница 15: ...ACmV only The decibel dB is a logarithmic unit of measurement that expresses the magnitude of a physical quantity relative to a specified or implied reference level The dB and dBm are defined below d...

Страница 16: ...cords the current input value as the reference and appears on the upper display For subsequent input values the instrument will calculate the difference between the reference value and the input value...

Страница 17: ...the instrument setting Press ENTER to store the setting in memory Press or select the instrument setting item Press CANCEL to exit this function Beeper Set the beeper to be ON or OFF Auto Power Off AP...

Страница 18: ...English 18 Back Light Auto OFF Setup the back light Auto OFF time from 1 to 60 minutes HAZARD Set the hazardous voltage 60VDC or 30VAC alarm beeper to ON or OFF RESET Reset all setup values to the fac...

Страница 19: ...memory and recalls them from memory afterwards Up to 20000 values can be recorded in the memory Connection to a PC 1 Turn on the meter and use the USB cable to connect the meter with PC 2 Put the soft...

Страница 20: ...e instrument buzzer beeps once for every valid key press and beeps twice for every invalid key press Power On Options Press the following button while turning the Instrument on from the OFF position C...

Страница 21: ...To avoid electric shock disconnect the test leads before replacing the instrument fuse or batteries 2 When replacing the tester batteries do not mix batteries of different types or old and new batter...

Страница 22: ...tions Maximum voltage applied to any terminal 1000 V ac rms or dc Display 4000 40000 counts for IDM503 10000 100000 counts for IDM505 Polarity Indication Automatic positive implied negative indicated...

Страница 23: ...ction boxes socket outlets and wiring and cables in the fixed installation IV Measurements performed at the source of the low voltage installation Examples include measurements on primary overcurrent...

Страница 24: ...0VAC 40Hz 45Hz 1 50 50d 1 46Hz 65Hz 0 70 50d 1 66Hz 1KHz 1 50 50d 1 4 4 0000VAC 40 000VAC 1 01KHz 10KHz 3 00 50d 2 10 01KHz 50KHz 5 00 50d 3 50 01KHz 100KHz 10 0 50d 3 5 1 Below 5 of range add 70 cou...

Страница 25: ...10 0000VAC 100 000VAC 1000 00VAC 40Hz 45Hz 1 00 50d 1 46Hz 65Hz 0 40 50d 1 66Hz 1KHz 1 00 50d 1 10 0000VAC 100 000VAC 1 01KHz 10KHz 2 00 50d 1 10 01KHz 20KHz 3 00 50d 2 20 01KHz 50KHz 5 00 50d 3 50 0...

Страница 26: ...or non sine wave add the following Crest Factor corrections For Crest Factor of 1 4 to 2 0 add 1 0 to accuracy For Crest Factor of 2 0 to 2 5 add 2 5 to accuracy For Crest Factor of 2 5 to 3 0 add 4 0...

Страница 27: ...0Hz 1KHz Minimum Resolution 1 A in the 40mA range for IDM503 0 1 A in the 10mA range for IDM505 Maximum Measuring Time 3 minutes at A input 10 minutes at mA input Rest time 20 minutes minimum AC Conve...

Страница 28: ...t measurements use the with REL function to compensate for offsets IDM503 Range Resolution Accuracy 400 00 0 01 0 2 30d 4 0000K 0 1 40 000K 1 400 00K 10 0 3 30d 4 0000M 100 1 0 30d 1 40 00M 10K 1 5 30...

Страница 29: ...imate 50 Continuity Indicator 2kHz Tone Buzzer 5 Diode Test Input Protection 1000VDC or 1000VAC rms Maximum Open Circuit Voltage Approximate 2 5V Maximum Test Current Approximate 0 5mA IDM503 Range Re...

Страница 30: ...4 000nF 1pF Unspecified 0 7sec 40 00nF 10pF 1 2 20d 400 0nF 100pF 0 9 2d 4 000 F 1nF 40 00 F 10nF 400 0 F 100nF 4 000mF 1 F 1 2 20d 3 75sec 40 00mF 10 F 1 2 40d 1 7 5sec IDM505 Range Resolution Accura...

Страница 31: ...1000VDC or 1000VAC rms IDM503 505 Range Resolution Accuracy Sensitivity 40 000Hz 0 001Hz 0 002 50d 1VP P 400 00Hz 0 01Hz 0 002 10d 4 0000KHz 0 1Hz 40 000KHz 1Hz 400 00KHz 10Hz 5VP P 4 0000MHz 100Hz I...

Страница 32: ...Road Shanghai 200001 China www rs components com Europe RS Components Ltd PO Box 99 Corby Northants NN17 9RS United Kingdom www rs components com Japan RS Components Ltd West Tower 12th Floor Yokoham...

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