General-tools-and-instruments DT4947SD Uživatelský manuál

DT4947SDUSER’S MANUAL4-CHANNEL THERMOMETER WITH DATALOGGING SD CARDPlease read this manual carefully and thoroughly before using this product.

1. To start automatic datalogging, press the REC/ENTER button once. The top line of thedisplay will then show the term “REC”. Pressing the LOGGER OFFS

11Fig. 2. Typical Excel data-only screenFig. 3. Typical Excel graphics-only screen

SPECIFICATIONSEmbedded microcontroller Custom one-chip LSI deviceDisplay type Liquid-crystal with green backlightDisplay size 2.05 x 1.5 in. (52 x 38m

13MAINTENANCE TIPSKeep your probes and thermocouples clean.When the icon appears in the left corner of the display, it’s time to replace the six“AA” b

RETURN FOR REPAIR POLICYEvery effort has been made to provide you with a reliable product of superior quality.However, in the event your instrument re

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

TABLE OF CONTENTSIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Key Features . . . . . . . . . . . . . . . . . . . .

INTRODUCTIONThank you for purchasing General Tools & Instruments’ DT4947SD 4-Channel Thermometerwith Datalogging SD Card. Please read this user’s

KEY FEATURES• Four independent temperature measurement channels• Also measures T1-T2 difference between two channels• Works with and automatically tem

Fig. 1. The DT4947SD’s controls and indicators and other physical features51-1 Liquid-crystal display 1-2 POWER/ESC button 1-3 HOLD/NEXT button1-4 REC

SETUP1. Choose the power source. Before using the DT4947SD, make sure it is powered byfresh batteries or an optional 9VDC AC adapter plugged into the

5. Enable or disable auto power off. Once the format of decimal point divisions has beenset and stored, the display will show the word “yES’ over the

ADJUSTING PROBE OFFSETSTo maximize the accuracy of measurements, General strongly recommends that youcompensate for (offset) the small measurement err

3. To use Type J, T, E, R or S thermocouples to measure up to four channels oftemperature, first press the Type ▲ button as many times as necessary un