Bk-precision 307A - Manual Manual do Utilizador

Instruction ManualModel 307A Analog Insulation & Continuity Meter

9.Preparation for MeasurementBefore testing Always check the following.At Power "ON", check that Bat. OK led lit. And check that there is no

10.2 DC WarningThe DC warning buzzer will beep continuously when DC voltage is higher than 30Vdc on the test probes and the test button is Not pressed

10.5 Low ohms measurement 0 - 500WAlways check for voltage before testing andmeasuring on a circuit. This instrument is intended for measuring Low W

10.6 Low ohms measurement 0 - 3WAlways check for voltage before testing andmeasuring on a circuit. This instrument is intendedfor measuring Low W and

-12-10.7 Insulation Resistance Measurement @ 250VdcAlways check for voltage before testing and measuring on a circuit. This instrument is intended for

-13-10.8 Insulation Resistance Measurement @ 500VdcAlways check for voltage before testing and measuring on a circuit. This instrument is intended for

-14-10.9 Insulation Resistance Measurement @ 1000VdcAlways check for voltage before testing and measuring on a circuit. This instrument is intended fo

-15-11. Battery & Fuse Replacement11.1 Battery ReplacementYour Analog insulation tester's battery is situatedunder the tester. The Bat. OK wi

12. Calibration & ServicingContact your nearest distributor about CalibrationCertificate and Servicing .Before returning the Instrument, ensure th

14. Limited One-year WarrantyB&K Precision warrants to the original purchaser that its products and the component parts thereof, will be free from

Index PageSafety Precautions... 1Safety Notes... 2Features ...

15. Service InformationWarranty Service: Please return the product in the original packaging with proof of purchase to the address below. Clearly stat

B&K Precision22820 Savi Ranch ParkwayYorba Linda, CA 92887U.S.A.www.bkprecision.comPrinted in Taiwan / Ver. 1.0/0307© 2007 B&K Precision Corpo

1. Safety PrecautionsElectricity can cause severe injuries even with low voltages or currents.Therefore it is extremely important that you read the fo

2. Safety NotesRated environmental conditions(1). Indoor use.(2). Installation Category .(3). Pollution Degree 2.(4). Altitude up to 2000MMeter is pr

ŸŸŸŸŸŸŸAuto null of the test leads on continuity tests.Very Low Battery Consumption.On-Load battery check (+/-205mA load for worst case) operates on 8

5. SpecificationsINSULATIONTest Voltage 250Vdc 500Vdc 1000Vdc+10%-0% +10%-0% +10%-0%Mirror scale 100MW 200MW 400MWMid Scale 1MW 2MW 4MWScale Multipl

6.Why test is necessary ?INSULATIONEvery electrical apparatus and installation need to be safe for the user and for the equipment itself.Electrical co

-6-1234561. Test Button Switch.2. Function Selector3. Battery OK indicator4. Mirror Scale5. Live Circuit Warning Light6. Test Leads and Fuse Zeroing K

INSTRUCTIONS ANALOG INSULATION-CONTINUITY TESTERWARNING: This instrument must only be used by a competent trained individual. Consult the full operati