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Thermo Scientific™ Orion Star™ A321 pH Portable Meter

Catalog No. p-4529657
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Product Type:
Portable pH Meter
Portable pH Meter TRIS Kit

Accurately monitor pH, mV, ORP and temperature with our waterproof, portable pH meter for high performance in challenging field locations.

Get high accuracy and premium performance everywhere you need it with the Thermo Scientific™ Orion Star™ A321 pH Portable Meter. This meter is designed for a wide range of pH, mV, ORP and temperature testing and field applications. Evaluate samples in the most demanding locations using this waterproof meter with IP67-rated housing. Perform up to a 5 point pH calibration, log up to 5000 data point sets with time/date stamp and easily transfer calibration and data logs via USB or RS232 to a printer or computer with free downloadable Orion Star™ Com software.

Take your measurements at the source with our premium line of portable meters. The Thermo Scientific Orion Star A321 pH Portable Meter offers an information-rich screen and user-friendly operation. This rugged, waterproof portable meter is ready to tackle the elements with you. Orion Star A321 pH Portable Meters are designed to be easy-to-use, dependable field meters that offer advanced features and functions including a 5000 point date log with sample ID and user ID options, calibration and high/low limit alarms and password-protected measurement methods.

  • Measure pH, mV, relative mV or ORP with temperature
  • Perform up to a 5 point pH calibration using automatic buffer recognition of NIST or DIN buffer groups with choice to manually enter custom buffer values
  • Calibration editing option allows individual points to be fixed without a full recalibration
  • Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
  • Capture your critical readings with measurement stability indicator and selectable read modes — Auto-Read holds a stable reading, Continuous shows changing readings with hold option and Timed logs data at specific intervals
  • Data log collects and date/time stamps up to 5000 measurement sets with optional sample ID and user ID
  • Calibration log stores 10 most recent calibrations
  • Non-volatile meter memory ensures your data and settings are protected, even with loss of power
  • Orion Star Com software facilitates data transfer to a computer via USB or RS232 connections
  • Flexible power options with AA batteries or optional universal power adapter
  • IP67-rated housing is waterproof for rugged field operation
  • Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand
  • Meters offer CE, TUV 3-in-1 and FCC Class A certifications
  • 3-year replacement warranty
TRUSTED_SUSTAINABILITY

Specifications

AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Outputs USB, RS-232
Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (pH) ±0.002
Alarm Output High/low limit alarm, calibration due alarm
Backlight Option Yes (Selectable)
Battery Life 800 hr.
Battery Type 4 x AA
Calibration pH with calibration editing option, relative mV (RmV), ORP and temperature
Calibration Points 1 to 5
Certifications/Compliance CE, TUV 3-1, FCC Class A
Data Management Details Transfer single, range or all data points to printer or computer
Data Points 5000 with Date and Time Stamp
Description Orion Star A321 pH portable meter
Channels 1
Display Type LCD Graphic, Backlit
IP Rating IP67
Measurement Modes pH, mV, Relative mV, ORP with Temperature
Range (mV) ±2000.0 mV
Range (pH) -2 to 20
Resolution (pH) 0.1/0.01/0.001
Temperature Range (Metric) -5.0°C to +105.0°C
Includes Star A321 pH meter, 4 AA batteries, computer cable
Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe)
Isopotential Point 7.000pH
Keypad Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
Languages English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Log Function Type Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
Memory Non-volatile memory preserves data log, calibration log and meter settings
Methods 10 per channel with password protection
Model Orion Star A321 pH/mV/RmV/ORP/Temperature Portable Meter
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Probe Type pH electrode, ORP electrode, reference half-cell electrode, ATC temperature probe (purchase separately)
Product Type Portable pH Meter
Range (ORP) ±2000.0 mV
Range (Relative mV) ±2000.0 mV
Relative Humidity Range 5 to 85%, non-condensing
Resolution (mV) 0.1mV
Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Temperature Accuracy ±0.1°C
Temperature (English) Operating 41°F to 113°F (ambient)
Temperature (Metric) Operating 5°C to 45°C (ambient)
Temperature Probe Calibration 1 point temperature offset calibration
Temperature Range (English) 22.0°F to 221.0° F
Temperature Resolution 0.1°C, 0.1°F
Temperature Selection Manual or automatic with ATC temperature probe
Warranty 3 Year Meter
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.
Weight (Metric) 0.5 kg
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