Triplett 310 Manual do Utilizador

8INTRODUCTION The Triplett Model 310 and 310-C are hand-sized VOMswith all the versatility and performance of larger, moreexpensive bench-size models.

9SPECIFICATIONS DC VoltsRanges:310: 0-3, 12, 60, 300, 1200 (20,000 ohms per volt)310-C: 0-3, 12, 60, 300, 600, (20,000 ohms per volt)Accuracy:±3% of

10DC MilliamperesRanges: 0-.6, 6, 60, 600Accuracy:±3% of full scale value Approximate Full ScaleCurrent Range Voltage Drop0-.6, 6, 60 mA

11GENERAL INSTRUCTIONS Control Locations For a diagram of the Model 310 / 310-C, please referto page 14.Test Leads Check the test leads periodically.

12Scale Selection Readings are taken on the scale having the appropri-ate significant figures (both 3 and 300 volts are readon the 0-300 scale) by mul

13Other Considerations Readings on the sensitive voltage, current and resis-tance ranges may sometimes be different than calcu-lated values. Thermo-e

14POLARITYREVERSINGSWITCH(310-C ONLY)COM V-O-MO∞ACV31260300OHMSADJUSTCONTROLOHMSX1KX100X10X131260DCV300MA.6660600BLACKTEST LEADINPUTJACKDIAL SCALEINDI

15DC VOLTAGE MEASUREMENTS 0-3 through 0-300 Volts:1. Insert test leads in VOM and COM jacks.2. Set Range Switch to appropriate DCV range.3. Set Pol

16DC VOLTAGE MEASUREMENTS COM V-O-MO∞1200VDCSAFETY FIRST!31260DCV300+OHMSADJUSTCONTROLPOLARITYREVERSINGSWITCH(310-C ONLY)

17AC VOLTAGE MEASUREMENTS 0-3 through 0-300 Volts:1. Insert test leads in VOM and COM jacks.2. Set Range Switch to appropriate ACV range.3. Connect

18AC VOLTAGE MEASUREMENTS COMV-O-MO∞1200VDC1200VACSAFETY FIRST!ACV31260300OHMSADJUSTCONTROLPOLARITYREVERSINGSWITCH(310-C ONLY)Set Rangeto300 ACV

19RESISTANCE MEASUREMENTS X1 through X1K Ohms:1. Insert test leads into VOM and COM jacks.2. Set Range Switch to appropriate OHMS range.3. Short te

20RESISTANCE MEASUREMENTS COM V-O-MO∞1200VDC1200VACOHMSADJUSTCONTROLSAFETY FIRST!OHMSX1KX100X10X1POLARITYREVERSINGSWITCH(310-C ONLY)

21DC CURRENT MEASUREMENTS 0-.6 through 0-600 Milliamperes:1. Insert test leads into VOM and COM jacks.2. Set Range Switch to appropriate mA range.3.

22DC CURRENT MEASUREMENTS COM V-O-MO∞SAFETY FIRST!+–LOAD1200VDC1200VACMA.6660600OHMSADJUSTCONTROLPOLARITYREVERSINGSWITCH(310-C ONLY)

23COM V-O-MO∞SAFETY FIRST!600Ω1200VDC1200VACAUDIOAMPLIFIERACV31260300OHMSADJUSTCONTROLPOLARITYREVERSINGSWITCH(310-C ONLY)MEASURING OUTPUT VOLTS (dB) T

24MEASURING OUTPUT VOLTS (dB) 6MW 600Ω6MW 500Ω1MW 600ΩVOLTS100 10 190 9 .980 8 .870 7 .760 6 .650 5 .540 4 .430 3 .320 2 .21

25OPERATION CHARTToeasure eM RangSet SwitchToLead Connections*Black Lead "COM"Red Lead Listed BelowRead OnScaleEach ScaleDiv. EqualsDC Volts

26ACCESSORIESCarrying Cases:Model 369: Model 369-S:Cat. No. 10-1258 Cat. No. 10-1791Model 369-TCat. No. 10-1608 Model 369-V: C

27Test Leads:79-153: 42” Test leads w/Screw-on Alligator Clips79-206: 48” Test leads with Alligator Clips (no probes)79-695: Test leads with Pin Cu

1TABLE OF CONTENTS SAFETY RULES ... 2INTRODUCTION ...8SPECIFIC

28CalibrationWith normal use, readjustment of this VOM shouldnot be necessary. An occasional check of the VOMagainst a known reference voltage or ano

29TRIPLETT THREE YEAR LIMITED WARRANTY Triplett Instruments warrants instruments and test equipment manufactured by it to be free fromdefective mat

TRIPLETTTest Equipment & Toolswww.triplett.com850 Perimeter Road, Manchester, NH 03103PHONE: 800-TRIPLETT FAX: 603-622-2960

2SAFETY RULE3sWARNINGThis tester has been designed with your safety in mind.However, no design can completely protect against in-correct use. Ele

3s$ONOTUSETHISMETERWITHITSBATTERYCOVEROPENITSREARCASEOPENORWITHPARTSREMOVED.s$ONOTOPENTHISMETERfORMAINTENANCEWITHOUTF

4s Make sure both test leads are fully inserted into their respec- tive input jacks (Black lead into COM and Red lead into6s/s-). A loose test

5s Do not use the meter if it does not appear to work correctly on all ranges and in all modes.s Do not use the meter if it has undergone long-ter

6s Do not mistake a downscale reading as an indication that no potential is present. Dangerous potentials may be present that may result in user

7DO NOT TOUCH Do not touch exposed wiring, connections or other“live” parts of an electrical circuit. If in doubt, checkthe circuit first for voltage