Thermo Scientific™ Orion Star™ A325 pH/Conductivity Portable Multiparameter Meter

Accurately measure pH, conductivity and temperature with the Thermo Scientific™ Orion™ Star A325 pH / Conductivity Portable Meter for high performance in challenging field tests

Manufacturer: Thermo Scientific™ STARA3255

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Catalog No. 13-645-565

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    Includes Orion STAR A325 pH/conductivity portable meter; 8107UWMMD Orion ROSS Triode pH/ATC gel-filled electrode with 3m cable; 013010MD Orion DuraProbe conductivity cell with 3m cable; 910410 pH 4.01 buffer pouches, pack of 10; 910710 pH 7.00 buffer pouches, pack of 10; 911010 pH 10.01 buffer pouches, pack of 10; 01100710 conductivity standard pouches, 1413 uS; 911110 rinse solution, pack of 10; protective armor with electrode holder; hard carrying case and batteries
    Warranty 3 year meter warranty
    Isopotential Point 7.000pH
    Model Orion Star A325 pH/mV/RmV/ORP/Conductivity/TDS/Salinity/Resistivity/Temperature Portable Meter
    TDS Factor Range Linear (0.02 to 9.99)
    Salinity Measurement Modes Practical salinity (psu) or natural sea water (ppt)
    Item Description Orion Star A325 pH/conductivity portable meter kit with ROSS Ultra Triode low maintenance gel pH/ATC electrode, DuraProbe 4-cell conductivity sensor, solutions, meter armor and field case
    Temperature Compensation Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
    Temperature (Metric) Reference 5, 10, 15, 20, 25°C
    Calibration Points (Conductivity) Up to 5
    Temperature Selection Manual or automatic with ATC temperature probe
    Temperature Probe Calibration 1 point temperature offset calibration
    Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
    Measurement Modes pH, mV, relative mV (RmV) or ORP with temperature; conductivity, TDS, salinity or resistivity with temperature
    Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
    Data Management Details Transfer single, range or all data points to printer or computer
    Alarm Output High/low limit alarm, calibration due alarm
    Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
    Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
    Weight (Metric) 0.5kg
    Range (Relative mV) ±2000.0mV
    Methods 10 per channel with password protection
    Channels 2
    Backlight Option Yes, selectable
    Memory Non-volatile memory preserves data log, calibration log and meter settings
    Dimensions (L x W x H) 24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
    Weight (English) 1.2 lb.
    Range (ORP) ±2000.0mV
    Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
    Accuracy (Conductivity) 0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
    Range (Salinity) 0.06 to 80.00 psu, 0.05 to 42.00 ppt
    Resolution (Salinity) 0.01 psu or 0.01 ppt minimum, auto ranging
    Accuracy (Salinity) 0.5% of reading ±1 digit
    Range (Resistivity) 2 ohm to 100.0 meg-ohm
    Range (pH) -2.000 to 20.000pH
    Calibration pH with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing option and temperature
    Accuracy (Temperature) ±0.1°C
    Resolution (pH) 0.1, 0.01, 0.001pH
    Display Type Graphic LCD with backlight
    Data Points 5000 with date and time stamp
    Log Function Type Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous measure mode
    Accuracy (pH) ±0.002pH
    AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
    Battery Life 800 hours
    Battery Type Four AA (included)
    Range (mV) ±2000.0mV
    Certifications/Compliance CE, TUV 3-1, FCC Class A
    Temperature (English) Operating 41° to 113°F (ambient)
    Temperature (Metric) Operating 5° to 45° C (ambient)
    Calibration Points (pH) 1 to 5
    Range (Conductivity) 0.001 µS/cm to 3000 mS/cm
    Resolution (Conductivity) 0.001 μS minimum, auto ranging up to 4 significant digits
    Range (TDS) 0.001 to 200.0 ppm
    Resolution (TDS) 0.001 ppm minimum, auto ranging up to 4 significant digits
    Resolution (Resistivity) 1 ohm or 0.1 meg-ohm, auto ranging
    Cell Constant 0.001 to 199.9cm-1
    Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
    Range (Temperature) -5.0° to 105.0° C, 22.0° to 221.0° F
    Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (conductivity sensor with built-in temperature or ATC temperature probe)
    Outputs USB, RS232
    IP Rating IP-67
    Relative Humidity Range 5 to 85 %, non-condensing
    Description Orion Star A325 pH/conductivity portable meter kit with ROSS Ultra Triode low maintenance gel pH/ATC electrode, DuraProbe 4-cell conductivity sensor, solutions, meter armor and field case
    Resolution (mV) 0.1mV
    Accuracy (TDS) 0.5% of reading ±1 digit
    Accuracy (Resistivity) 0.5% of reading ±1 digit
    Resolution (Temperature) 0.1°C, 0.1°F

    Get high accuracy and premium performance everywhere you need it with the Thermo Scientific™ Orion™ Star A325 pH and Conductivity Portable Meter, designed for a wide range of pH, mV, ORP, conductivity, total dissolved solids (TDS), salinity, resistivity and temperature testing and field applications. Evaluate samples in the most demanding locations using this waterproof meter with IP67-rated housing. Use the two channels to measure pH and conductivity simultaneously or view each channel separately. Log up to 5000 data point sets with time / date stamp and transfer logs to a printer or computer.

    Key Points:

    • Get the information you need quickly and easily from the large, backlit graphic LCD display, which shows individual pH/mV/RmV or conductivity/TDS/salinity/resistivity results with temperature, or all results at once.
    • Additional helpful information includes electrode status, time, date, sample ID, user ID and calibration points.
    • Advanced features such as stability and averaging provide additional options allowing for laboratory accuracy everywhere you need it.
    • Plain language screen prompts and soft keys that update for easy selection
    • Multilanguage interface that supports English, Spanish, French, Italian, German and Chinese
    • Thermo Scientific™ AUTO-READ™ locks in the stable reading on your screen, ready indicator alerts when readings are stable and timed reading gathers data in specific time intervals
    • Up to five point pH calibration offers automatic recognition for USA/NIST™ and DIN buffers
    • Calibration editing allows user to fix pH calibration errors without a complete recalibration.
    • Selectable cell constant allows for use with 2- or 4-cell conductivity cells.
    • Selectable reading reference temperatures of 5°, 10°, 15°, 20° or 25°C with linear, nonlinear, nLFu or EP curve options offer advanced accuracy in conductivity readings.
    • User can choose practical salinity or natural sea water curves for salinity readings.
    • Linear or ISO/EN 27888 curves for TDS are available.
    • USB and RS232 ports and complimentary data analysis software allow user to easily transfer data and keep meter software up to date.

  • Description & Specifications

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