DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM DCM7021 USER’S MANUAL Digital Conductivity Meter INTRODUCTION: Thank you for selecting model DCM7021 microprocessor-based waterproof Digital Conductivity Meter. It is used to measure a wide range of Conductivity, TDS, Salinity and Temperature with a replaceable electrode. Please read and follow the manual carefully.
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM Page 2 FEATURES: • Large LCD displays Temperature along with Conductivity or TDS or Salinity simultaneously • Waterproof to IP-57 standard • Automatic Temperature Compensation (ATC) • Degree °F/°C switchable • Icon COND , TDS , Salt and unit S, mS, ppm, ppt, °F, °C for easy recognition while selecting function modes • Displays MIN/MAX value and Data hold • Low battery indicator • Automatically shuts off after 10 minutes of non-usage • Easy to replace C
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM DEVICE DESCRIPTION: Lanyard Connection Battery Compartment Cap Main Display Hold/MIN & MAX Button Function Mode Button Power/Calibration Button Electrode Collar Protective Cap Electrode Module Sensor Tip Sensor Protective Cap Page 3
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM DISPLAY DESCRIPTION: FUNCTIONS OF KEYBOARD: POWER/CALIBRATION 1. Press button to switch power On or Off 2. Press and hold button to enter calibration mode FUNCTION MODE 1. Press button to select the desired measurement mode Conductivity, TDS, or Salinity 2. Press and hold button to change degree °F or °C HOLD/MIN&MAX 1. Press button to enter Hold mode 2.
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM Page 5 OPERATING PROCEDURE: ACCESSORIES Upon receiving the shipment, inspect the container and equipment for any signs of damage. Verify that you have received all the items listed: Meter, Standard Solution 1413 µS/cm, Battery (installed), Lanyard, Instruction Manual and Carrying Case. PREPARATION 1. Remove the protective cap from the meter. Rinse the electrode with clean water and wipe it dry. 2. Press button to turn the meter power on.
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM 3. Press button to select the desired measurement mode Conductivity, TDS or Salinity. 4. Press and hold button to change °F or °C. Note: (1) The display can not auto shut off under the status of MAX/MIN mode. (2) Change new batteries when the battery indicator flashes. MAINTENANCE: BATTERY REPLACEMENT 1. Loosen the screw with a screwdriver on the battery compartment cap. 2. Replace with fresh 4 “AAA” batteries and note polarity. 3.
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 12:00 PM Page 7 Calibration Certificate This certificate guarantees that this product has been inspected and tested in accordance with the published specifications. The instrument has been calibrated by using equipment which is already calibrated to standards traceable to International standards. Model: DCM7021 Serial no.
DCM7021 Manual FINAL-8-15:Layout 1 8/15/08 GENERAL TOOLS & INSTRUMENTS™ 80 White Street, New York, NY 10013-3567 PHONE (212) 431-6100 FAX (212) 431-6499 TOLL FREE (800) 697-8665 e-mail: sales@generaltools.com www.generaltools.com DCM7021 User’s Manual Specifications subject to change without notice ©2008 GENERAL TOOLS & INSTRUMENTS™ NOTICE - WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS.
