Take simple pH and temperature measurements with the Orion™ Star™ A121 pH Portable Meter, which offers easy operation for basic field testing.
- Measure pH, mV, or relative mV with temperature
- Perform up to a three point pH calibration with automatic buffer recognition or manual buffer entry
- 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
- Three-year meter warranty
Take simple, routine pH, mV, and temperature measurements with the Orion™ Star™ A121 pH Portable Meter, an easy-to-use and budget-friendly instrument for basic pH analysis in the field.
These meters are a simple, economical solution for routine outdoor sample analysis. Featuring an emphasized measure key, selectable read modes, and measurement stability indicator, they are designed to deliver reliable measurements at an affordable price. Flexible power options with AA batteries or optional universal power adapter.
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. The simplified, easy-to-read display shows main measurement with temperature, stability indicator, and electrode condition icon. This waterproof meter has an IP67-rated housing for rugged protection in outdoor environments.
- Catalog No:
- 89206-282
- 89206-284
- pH Range:
- -2.00 to 16.00 pH
- -2.00 to 16.00 pH
- pH Resolution:
- 0.1, 0.01 pH
- 0.1, 0.01 pH
- pH Accuracy:
- ±0.01 pH
- ±0.01 pH
- mV range:
- ±1600.0 mV (±1999.9 Relative mV)
- ±1600.0 mV (±1999.9 Relative mV)
- mV resolution:
- 0.1 mV
- 0.1 mV
- mV accuracy:
- ±0.2 mV or ±0.05% of reading whichever is greater
- ±0.2 mV or ±0.05% of reading whichever is greater
- Temperature Resolution:
- 0.1°C, 0.1°F
- 0.1°C, 0.1°F
- Temperature Accuracy:
- ±0.1°C
- ±0.1°C
- Display:
- LCD
- LCD
- Battery Type:
- Four AA (included)
- Four AA (included)
- Battery Life:
- 2000 hours
- 2000 hours
- Power supply:
- 4 AA batteries (included) or universal AC adapter (sold separately)
- 4 AA batteries (included) or universal AC adapter (sold separately)
- Operating Temperature Range:
- 5…45 °C (41…113 °F)
- 5…45 °C (41…113 °F)
- Data Logging Capacity:
- 50 points
- 50 points
- Memory:
- Non-volatile memory preserves log and settings
- Non-volatile memory preserves log and settings
- Languages:
- English
- English
- IP Rating:
- IP-67
- IP-67
- Dimensions:
- 24L x 10W x 6.5H cm (9.5 x 3.9 x 2.6")
- 24L x 10W x 6.5H cm (9.5 x 3.9 x 2.6")
- Outputs:
- None
- None
- Input:
- BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe)
- BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe)
- No. of Channels:
- 1
- 1
- Calibration:
- pH, relative mV (RmV), and temperature
- pH, relative mV (RmV), and temperature
- Calibration Points:
- 1 point relative mV (RmV) mode; 1 to 3 points pH mode
- 1 point relative mV (RmV) mode; 1 to 3 points pH mode
- Weight:
- 0.5 kg (1.2 lbs.)
- 0.5 kg (1.2 lbs.)
: VWR International
: VWR International
: Thermo Fisher Scientific
: VWR International
: VWR International
: VWR International
: VWR International
: VWR International