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Scientific Equipment Company

Orion™ Star™ A121 pH/mV/RmV Portable Meter Kit with Triode pH/ATC Electrode

Portable Meter Kit, 24 L x 10 W x 6.5 cm H, pH/mV/(RmV) with Temperature Measuring Modes, -5 to 105°C/22 to 221°F Temperature Range, -2 to 16 pH Range, ±1600 mV Range, ±1999.9 Relative mV Range, 1 Channel, LCD Display

  • Manufacturer Part No: STARA1215
  • SECO Part No: 21-0050-10
  • Sold As:
  • Availability: loading

Take simple, routine pH, mV and temperature measurements with the Thermo Scientific™ Orion Star™ A121 pH portable meter, an easy-to-use and budget-friendly instrument for basic pH analysis in the field. Perform up to a three point pH calibration with easy recall of calibration points and slope. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. This waterproof meter has an IP67-rated housing for rugged protection in outdoor environments. Thermo Scientific™ Orion Star™ A121 pH portable meters are a simple, economical solution for your routine outdoor sample analysis. Featuring an emphasized measure key, selectable read modes and measurement stability indicator, our basic Orion Star™ A121 pH meters are designed to deliver measurements you can trust at an affordable price.

Dimension : 24 L x 10 W x 6.5 cm H
Calibration : pH, Relative mV (RmV) and Temperature
Connector Type : Input: BNC (pH or ORP Electrode), 8-pin MiniDIN (ATC Temperature Probe), Output: None
Data Management Details : Internal Data Point Memory
Display Type : LCD
Includes : Star A121 pH Meter, 9107BNMD Orion Triode Gel-filled Epoxy Body pH/ATC Electrode, 916099 pH Buffer and Solution Kit, Protective Meter Armor, Hard-sided Field Case, 4 AA Batteries, Literature CD, Printed Quick Start Guide and Meter Test Certificate
Isopotential Point : 7 pH
Keypad : Simple with Highlighted Measure Key, Scroll and Shortcut Keys
Languages : English
Measuring Modes : pH/mV/Relative mV (RmV) with Temperature
mV Accuracy : ±0.2 mV or ±0.05% of reading whichever is greater
mV Range : ±1600 mV
mV Resolution : 0.1 mV
Number of Channel : 1
Operating Temperature : 5 to 45°C (ambient)
pH Accuracy : ±0.01
pH Calibration Point : 1 to 3
pH Range : -2 to 16
pH Resolution : 0.1, 0.01
Power Supply : 4 AA Batteries 2000 Hours of Life or Universal AC Adapter 50 to 60 Hz, 100 to 240 VAC Power
Probe Type : pH Electrode, ORP Electrode, ATC Temperature Probe (Includes 9107BNMD Orion Triode pH/ATC Electrode)
Relative Humidity Range : 5 to 85%, Non-condensing
Relative mV Range : ±1999.9 mV
Stability : Smart Stability and Smart Averaging
Temperature Accuracy : ±0.1°C
Temperature Probe Calibration : 1 Point Temperature Offset
Temperature Range : −5 to 105°C, 22 to 221°F
Temperature Resolution : 0.1°C, 0.1°F
Temperature Selection : Manual or Automatic with ATC Temperature Probe
  • Measure pH, mV or relative mV with temperature
  • Perform up to a three point pH calibration with automatic buffer recognition or manual buffer entry
  • Simplified, easy-to-read display shows main measurement with temperature, stability indicator and electrode condition icon
  • User-friendly operation with basic calibration text prompts
  • Easily recall calibration data for procedure checks
  • Non-volatile memory preserves 50 point internal data log and meter settings, even with loss of power
  • 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 and 3-year replacement warranty
  • Approved by CE, TUV 3-1, FCC Class A

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