• REED R3000SD Data Logging pH/ORP Meter


    Real-time data logger with integrated SD memory card measures/records pH and ORP levels in water with manual or automatic temperature compensation.

    REED R3000SD Offers

    The R3000SD is capable of measuring 0.00 to 14.00 pH and 0 to 1999 mV (ORP). Featuring automatic temperature compensation, Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using a SD card (max 16GB), a user can manually record up to 99 readings or automatically by selecting a desired sampling rate from 1 to 3600 seconds. Quickly generate an Excel file with raw data, all without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Please note pH and ORP electrodes are sold separately.


    • Measures pH and ORP levels in water
    • Manual or automatic temperature compensation (with optional ATC probe, R3000SD-ATC)
    • 3-point calibration ensures best accuracy
    • Accepts pH/ORP Electrodes with BNC connector
    • Real time datalogger with integrated SD memory card (optional)
    • User selectable sampling rate
    • Easy-to-read backlit LCD display
    • Data hold and Min/Max functions
    • Tripod mount for long-term monitoring
    • Low battery indicator and auto shut off

    REED R3000SD Specifications


    Automatic Temperature

    Compensation (ATC) Manual: 33.8 to 212°F (1 to 100°C)

    Optional ATC Probe (R3000SD-ATC): 32 to 149°F (0 to 65°C)

    ORP (mV)

    Measuring Range -1999 to 1999mV

    Accuracy ±(0.5% +2 dgt)

    Resolution 1 mV


    Measuring Range 0.00 to 14.00

    Accuracy ±(0.02 pH +2 dgt)

    Resolution 0.01 pH

    pH Electrode Compatibility Any pH electrode with BNC connector

    General Specifications

    Display Dual Display, LCD

    Backlit Display Yes

    Data Hold Yes

    Min Yes

    Max Yes

    Datalogging Capabilities Yes

    Real-Time Clock and Date Stamp Yes

    Sampling Rate Yes (1 second to 8 hours, 59 minutes and 59 seconds)

    External Memory Yes, expandable up to 16GB with SD card (optional)

    Auto Shut-off Yes (after 10 minutes/off)

    Kick Stand Yes

    Tripod Mountable Yes

    Low Battery Indicator Yes

    Power Supply 6 x AA Batteries or AC Adapter (optional)

    Data Output Yes (RS-232)

    Product Certifications CE

    Operating Temperature 32 to 122°F (0 to 50°C)

    Storage Temperature 14 to 140°F (-10 to 60°C)

    Operating Humidity Range 10 to 80%

    Dimensions 7 x 2.7 x 1.9" (177 x 68 x 45mm)

    Weight 1.1lb (489g)

    What's included with the REED R3000SD

    • Data Logging pH/ORP Meter
    • Soft Carrying Case
    • Batteries

    Ideal Applications for the REED R3000SD

    • Water conditioning
    • General purpose pH measurement
    • Aquariums
    • Wastewater monitoring
    • Beverage production