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Thermo Scientific™ Orion Star™ A121 Portable pH Meter

Catalog No. 13645506
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Type:
Portable pH Meter
Portable pH Meter Standard Kit
This item is not returnable. View return policy
This item is not returnable. View return policy

Take simple pH and temperature measurements with our portable pH meter with easy operation for basic field testing.

Take simple, routine pH, mV and temperature measurements with the Thermo Scientific™ Orion Star™ A121 Portable pH Meter. This meter is an easy-to-use and budget-friendly instrument for basic pH analysis in the field. Perform up to a 3 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 Portable pH 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.

  • Measure pH, mV or relative mV with temperature
  • Perform up to a 3 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
  • 3-year replacement warranty
TRUSTED_SUSTAINABILITY

Specifications

Description Orion Star A121 portable pH meter standard kit with general purpose pH/ATC electrode
Data Management Details Internal Data Point Memory
Accuracy (pH) ±0.01
Accuracy (Temperature) ±0.1°C
Accuracy (mV) ±0.2 or ±0.05%, whichever is greater
Outputs None
Includes Star A121 pH meter, 9107BNMD gel-filled epoxy-body pH/ATC electrode, 916099 pH buffer kit, protective meter armor, hard-sided carrying case, 4 AA batteries
Measurement Modes pH, mV, Relative mV with Temperature
Calibration pH, relative mV (RmV) and temperature
Range (pH) -2 to 16
Resolution (pH) 0.01, 0.1
Range (mV) ±1600.0
Resolution (mV) 0.1mV
Calibration Points 1 to 3
Temperature Range (Metric) -5°C to +105°C
Temperature Range (English) 22.0°F to 221.0°F
Resolution (Temperature) 0.1°C, 0.1°F
Temperature Selection Manual or automatic with ATC temperature probe
Temperature Probe Calibration 1 point temperature offset calibration
Display Type LCD
Memory Non-volatile memory preserves log and settings
Data Points 50
Log Function Type Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode
Inputs BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe)
Certifications/Compliance CE, TUV 3-1, FCC Class A
IP Rating IP67
AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Dimensions (L x W x H) 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.)
Weight (Metric) 0.5 kg
Weight (English) 2 lb.
Warranty 3 Year Meter Warranty
Keypad Simple with highlighted measure key, scroll and shortcut keys
Model Orion Star A121 Portable pH/mV/RmV/Temperature Meter
Power Supply 4 AA batteries (included) or universal AC adapter (sold separately)
Probe Type pH electrode, ORP electrode, ATC temperature probe (includes 9107BNMD Orion Triode pH/ATC electrode)
Languages English
Range (Relative mV) ±1999.9mV
Relative Humidity Range 5 to 85%, non-condensing
Isopotential Point 7.00pH
Stability Smart Stability and Smart Averaging
Temperature (English) Operating 41°F to 113°F (ambient)
Temperature (Metric) Operating 5°C to 45°C (ambient)
Channels 1
Battery Type 4 x AA
Type Portable pH Meter Standard Kit
Battery Life 2000 hr.
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