General-tools-and-instruments GT310 Manual de usuario

WIRELESS DATA LOGGINGMULTIMETERWITH DUAL 7-SEGMENT LCD PLUS NCVD/NCCDUSER’S MANUALGT310Please read this manual carefully and thoroughly before using t

c) In channel entry mode (with channel number flashing in topor bottom readout), press briefly to increment channelnumber. Pressing the button briefly

SETUP INSTRUCTIONSINSTALL BATTERYThe battery of your GT310 may or may not already be installed. If thedisplay remains dark after you turn the rotary d

OPERATING INSTRUCTIONSGENERAL INSTRUCTIONS• To hold (freeze) a reading, briefly press the Hold/CHbutton.• To turn the beeper on or off, press and hold

Touch the test leads to two points in a circuit at different electricpotential. A minus sign (–) at the left of the reading indicates anegative voltag

CHECKING THE INTEGRITY OF A DIODE OR THE CONTINUITY OF A CIRCUITBefore checking a diode or checking for continuity, be sure to removepower from the ci

The default mode is DC current measurement (indicated by the symbol near the top left of the display). To measure AC current, pressthe Select/0-9butto

GOING WIRELESSTransmitting Data to a PCUse the following procedure to enable your GT310 to display itsreadings on a PC monitor using digits that are s

15. Plug the dongle into any open USB port on your computer. Doing sowill cause the following screen to appear.16. On the meter, press the Power/Tx/Rx

19. The reading on the DMMD_PCView screen will continue toduplicate the contents of the GT310’s upper readout. Receiving and Displaying Data from a Se

To enable transmission and reception,briefly press the Power/Tx/Rx/Axbutton a third time. This will cause both“satellite dish” icons to appear at the

TABLE OF CONTENTSIntroduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 –4Key Features & Specs. . . . . .

• Communication Range: >33 ft. (10m)• Auto Power Off Interval: 15 minutes• Backlight Fadeout Interval: 90 seconds• Power Source: (1) “9V” battery•

DC Current (uA Setting, Manual Range)Range Resolution Accuracy 0-400uA 0.1uA ±0.12% of reading ±3 digits 0-4000uA 1uA ±0.12% of reading ±3 digit

Continuity CheckRange Resolution Accuracy 400Ω(Display reading) 0.0Ω±0.8% of reading ±6 digits Beeper sounds when<30Ω0.0Ω±0.8% of reading ±6 dig

WARRANTY INFORMATIONGeneral Tools & Instruments’ (General’s) GT310 Wireless Data LoggingMultimeter with Dual 7-Segment LCD plus NCVD/NCCD is warra

GENERAL TOOLS & INSTRUMENTS80 White StreetNew York, NY 10013-3567PHONE (212) 431-6100FAX (212) 431-6499TOLL FREE (800) 697-8665e-mail: sales@gener

INTRODUCTIONThank you for purchasing General Tools & Instruments’ GT310Wireless Data Logging Multimeter with Dual 7-Segment LCD plusNCVD/NCCD. Pl

The GT310 can be part of three different kinds of wirelesscommunication schemes. 1. The meter includes a small USB receiver—called a dongle—thatenable

KEY FEATURES & SPECS• 12 functions, 33 ranges• Measures AC/DC voltage (up to 750VAC/1000VDC), AC/DC current(up to 400mA), resistance (up to 40mΩ)

WHAT’S IN THE BOXThe GT310 comes in a black soft pouch inside a box. Also inside thebox are:• A pair of fused test leads (General Part No. TL300)• A U

• !WARNINGDo not measure voltages above 500V in CAT IIIinstallations.• !WARNINGDo not measure voltage with the rotary dial pointing to the resistance

PRODUCT OVERVIEWFig. 1 shows the labels and positions of the controls, indicators andconnectors on the front and top of the GT310. Familiarize yoursel

6. Two-function Range button:a) In all measurement modes, press briefly to exit Auto rangingmode (default) and enter Manual Ranging mode. With twoexce