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Orion™ Star™ STARA3250
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Orion™ Star™ A325 pH/Conductivity Portable Multiparameter Meter, 9.5 L x 3.9 W x 2.6" H

A325 Multiparameter Meter, 9.5 L x 3.9 W x 2.6" H, 5 to 45°C Operating Temperature, IP-67 Rating, Four AA Battery, Universal 50 to 60 Hz & 100 to 240 VAC Power Adapter, ±0.1°C Temperature Accuracy, 1 to 5 pH Calibration Points

  • Manufacturer Part No: STARA3250
  • SECO Part No: 21-0480-01
  • Sold As:
  • Availability: loading

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. Take your measurements at the source with our premium line of portable meters. The Thermo Scientific Orion Star A325 pH/conductivity 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 A325 pH/conductivity 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.

Dimension : 9.5 L x 3.9 W x 2.6" H
Cell Constant : 0.001 to 199.9 cm-1
Conductivity Accuracy : 0.5% of Reading ±1 Digit > 3 µS; 0.5% of Reading ±0.01 µS = 3 µS
Conductivity Range : 0.001 µS/cm to 3000 mS/cm
Conductivity Resolution : 0.001 µS Minimum, Auto Ranging upto 4 Significant Digits
Display Type : Graphic LCD with Backlight
Includes : Star A325 pH/conductivity Meter, 4 AA Batteries, Literature CD, Printed Quick Start Guide, Computer Interface Cable and Meter Test Certificate
Input : BNC (pH or ORP electrode), Pin-Tip (reference electrode), 8 Pin MiniDIN (Conductivity Sensor with Built-in Temperature or ATC Temperature Probe)
Isopotential Point : 7 pH
Keypad : Comprehensive with Menu-specific Function Keys and Dual Purpose Scroll/Shortcut Keys
Measurement Mode : pH, mV, Relative mV (RmV) or ORP with Temperature; Conductivity, TDS, Salinity or Resistivity with Temperature
Method : 10 per Channel with Password Protection
mV Accuracy : ±0.2 mV or ±0.05% of reading whichever is greater
Operating Temperature : 5 to 45°C (ambient)
Output : USB, RS232
pH Accuracy : ±0.002
pH Range : -2 to 20
pH Resolution : 0.1, 0.01, 0.001
Power Supply : Universal AC Adapter 50 to 60 Hz, 100 to 240 VAC or 4 AA Batteries
Relative Humidity Range : 5 to 85%, Non-condensing
Resistivity Accuracy : 0.5% of Reading ±1 Digit
Resistivity Range : 2 ohm to 100 meg-ohm
Salinity Accuracy : 0.5% of Reading ±1 Digit
Salinity Range : 0.06 to 80 psu, 0.05 to 42 ppt
Salinity Resolution : 0.01 psu or 0.01 ppt Minimum, Auto Ranging
TDS Factor Range : Linear (0.02 to 9.99)
TDS Range : 0.001 to 200 ppm
TDS Resolution : 0.001 ppm Minimum, Auto Ranging upto 4 Significant Digits
Temperature Accuracy : ±0.1°C
Temperature Probe Calibration : 1 Point Temperature Offset Calibration
Temperature Resolution : 0.1°C
Temperature Selection : Manual or Automatic with ATC Temperature Probe
  • Combined convenience with the benefits of a pH meter and conductivity meter in one easy-to-use system
  • Measure pH, mV, relative mV or ORP with temperature on channel one and measure conductivity, TDS, salinity or resistivity with temperature on channel two
  • Easily view individual measurements on a full screen display and quickly toggle to a split screen display to view multiple measurements simultaneously
  • Perform up to a five point pH calibration using automatic buffer recognition of NIST or DIN buffer groups with choice to manually enter custom buffer values
  • Perform up to a five point conductivity calibration
  • Calibration editing option allows individual points to be fixed without a full recalibration
  • Auto-ranging conductivity values offer consistent readings across entire measurement range without need to recalibrate
  • Use linear, non-linear, EP (USP) or off conductivity temperature compensation with 5, 10, 15, 20 or 25°C reference temperatures
  • 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 ten 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
  • IP-67 rated housing is waterproof for rugged field operation
  • Meters offer CE, TUV 3-in-1 and FCC class A certifications and 3-year replacement warranty
  • 2 Channels
  • Approved by CE, TUV 3-1, FCC Class A

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