B&K 281 Скачать руководство пользователя | Manualshive

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Содержание 281

Страница 1: ...LIK Model 281 O i INSTRUCTION MANUAL DIGITAL MULTIMETER Product of DYNASCAN CORPORATION 1801 West Belle Plaine Avenue Chicago Illinois 60613...

Страница 2: ...e helped provide better and faster service techniques Close contact has been maintained with the manu facturers of consumer products which our test units will be checking and trouble shooting Key pers...

Страница 3: ...INSTRUCTION MANUAL FOR Model 281 DIGITAL MULTIMETER B K DIVISION OF DYNASCAN CORPORATION 1801 West Belle Plaine Avenue Chicago Illinois 60613...

Страница 4: ...rning Instrument OWIE EE EP EE cde 9 DCG Voltage 9 AG Voltage Measurements 3 9 IDG CurrentiMcasurements oeer 50 Fm rer rs DEEST 10 AG Gurrent Measuremenis vote 11 Resistance Measurements I MODEL 281 D...

Страница 5: ...ement for conventional analog type instruments In addition to providing equivalent functions and ranges the inherent accuracy of this instrument provides a significant margin of performance SPECIFICAT...

Страница 6: ...the second and third digits will blink on and offto gether Do not exceed input level of 1000V RMS or 1500V peak 0 100 a 1 00ma 10 0ma 100ma 1 00 100 at full range 100 per cent to 199 a 1 99ma 19 9ma 1...

Страница 7: ...Mohms 1 0Volt at full range Maximum Test 10ohms 10ma oe 1000hms 10ma 22 1Kohm Ima 10Kohms 100ua aa 100Kohms 10 1Mohm lua 10Mohms 100na CIRCUIT PROTECTION DC Volts AC Volts Diode protection together wi...

Страница 8: ...e of measurement to be performed Also used to turn the instrument on and off RANGE switch Selects the desired range for the measurement selected by the FUNC TION switch 1A jack This jack is used when...

Страница 9: ...ndle This handle can be used for carrying the instrument and can also be used as a tilt stand to raise the front panel to a convenient viewing angle when desired The handle can be locked into any desi...

Страница 10: ...99 0 1 Amp 1A 1A 1 00 1 99 AC 0 100 ya 100 ua Jack 100 199 CURRENT 0 1 ma ma Jack 1 00 1 99 0 10 ma 10ma Jack 10 0 19 9 0 100 ma 100 ma Jack 100 199 0 1 Amp 1A 1A 1 00 1 99 OHMS 0 109 Onms 100 Jack 10...

Страница 11: ...t RANGE switch 3 as required for the voltage amplitude to be measured If the magnitude of the voltage is not known set the RANGE switch to the highest position and reduce the settings as required to o...

Страница 12: ...to the circuit should first be removed The following rules will insure that the propey current polarity is obtained 1 When inserting the test leads of the multimeter on the positive side of the power...

Страница 13: ...lash on and off together When this occurs immediately remove power from the circuit under test and select a higher current range before proceeding further Refer to Table 1 for interpretation of the re...

Страница 14: ...voltmeter with 100 mV capacity and 100 overrange capability The higher voltage ranges are attained by the use of a precision switchable attenuator The ohms ac volts and current functions are developed...

Страница 15: ...0mV to the impedance converter at the selected full range input voltage To read ac voltages an ac to dc converter is placed between the impedance conyerter and the analog to digital converter to trans...

Страница 16: ...rewdriver or solder aid to remove the right side retaining ring When this is done the spring washer and handle stud can be removed Repeat this pro cedure for the left side and remove the handle Then r...

Страница 17: ...R32 AC ZERO for 01 readout 100mV AC Readout should return to 00 if not readjust R32 and recheck step 7 Repeat until unit reads 01 on 10V range and 00 on 100V range 100mV AG Adjust R29 AC CAL for 100...

Страница 18: ...4 Figure 5 Handle Detail V PRESE 724 rj V CXV 1 ett R36 POLARITY R24 ZERO SENSING OFFSET Figure 6 Location of Internal Adjustments 16 ated m...

Страница 19: ...ng any product or component which we are satisfied does not conform with the foregoing warranty and which is returned to our factory or our authorized service contractor transportation prepaid and we...

Страница 20: ......

Страница 21: ...102 8 474 16K 4W 1 Metal Film Resistor 011 022 9 001 9000 YW 12 Metal Film Resistor 011 029 9 001 3 3K 15W 1 Metal Film Resistor 011 025 9 001 POTENTIOMETERS Pot CAL Sioa cene recettes nm e008 182 9 0...

Страница 22: ...10 Mierohenry 1095 neces tme ns os 041 055 9 001 T 1 Power Transformer 117 Volt Primary 065 069 9 001 T 1 Power Transformer 117 234 Volt Primary 065 069 9 002 S 1 Rotary Switch FUNCTION mpe deus 7 09...

Страница 23: ...1 2 metal film composition 2 All capacitors in mfd 10 3 Voltage measurements taken with VTVM and referenced to Board ground line voltage maintained at 17 VAC FUNCTION switch in OCV position RANGE swi...

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