General-tools-and-instruments DPH230SD Bedienungsanleitung

DPH230SDUSER’S MANUALpH METER WITH DATALOGGING SD CARDPlease read this manual carefully and thoroughly before using this product.

AUTOMATIC VS. MANUAL DATALOGGINGThe DPH230SD can automatically log data at a user-selected sampling period from 1 second to 9 hours. To view the sampl

TRANSFERRING DATA FROM THE SD CARD TO A COMPUTERAfter automatic or manual datalogging of measurements, remove the SD card from themeter and plug it in

12Fig. 5. Typical Excel mixed data/graphics screenFig. 4. Typical Excel graphics-only screen

13SPECIFICATIONSEmbedded microcontroller Custom one-chip LSI deviceDisplay type Liquid-crystal with green backlightDisplay size 2.05 x 1.5 in. (52

MAINTENANCE & TROUBLESHOOTING TIPSKeep the pH and ORP electrodes and ATC temperature probe clean and protected from theelements when not in use. W

WARRANTY INFORMATIONGeneral Tools & Instruments’ (General’s) DPH230SD pH Meter with Datalogging SD Card iswarranted to the original purchaser to

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’ DPH230SD pH Meter withDatalogging SD Card. Please read this user’s manual carefu

• Big (2.5 in. diagonal) front-panel green backlit LCD is easy to read• Auto power off function• Powered by six “AA” batteries or optional 9V AC/DC a

SETUP1. Choose the power source. Before using the DPH230SD, be sure it is powered by freshbatteries or an optional 9VDC AC adapter plugged into the bo

If you choose “yES”, after you press the REC/ENTER button the instrument will prompt youto confirm that decision by displaying the term “Ent” below “y

9. Select the temperature unit. Once the format of decimal point divisions has been setand stored, the lower portion of the display will show the term

6. Use two fingers to press the REC/ENTER and HOLD/ESC buttons at thesame time. When this screen appears, release the buttons.7. Press the ▼ or ▲ butt

2. To measure the pH of a solution, press the ▼ button until the display shows the term“pH”. Make sure the pH electrode is seated firmly in the BNC so