pH Meters
pH Meters
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Thermo Scientific™ Orion Star™ A221 Portable pH Meter
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
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Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.
Thermo Scientific™ Orion Star™ A121 Portable pH Meter
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Take simple pH and temperature measurements with our portable pH meter with easy operation for basic field testing.
Memory | Non-volatile memory preserves log and settings |
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Resolution (pH) | 0.01, 0.1 |
Languages | English |
Measurement Modes | pH,mV,Relative mV with Temperature |
Range (pH) | -2 to 16 |
Channels | 1 |
Accuracy (pH) | ±0.01 |
Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
Battery Life | 2000 hr. |
Data Management Details | Internal Data Point Memory |
Display Type | LCD |
Resolution (mV) | 0.1mV |
Data Points | 50 |
Certifications/Compliance | CE, TUV 3-1, FCC Class A |
Temperature Probe Calibration | 1 point temperature offset calibration |
Inputs | BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe) |
Accuracy (Temperature) | ±0.1°C |
Weight (Metric) | 0.5 kg |
Accuracy (mV) | ±0.2 or ±0.05%, whichever is greater |
Stability | Smart Stability and Smart Averaging |
Warranty | 3 Year Meter Warranty |
Temperature (English) Operating | 41°F to 113°F (ambient) |
Isopotential Point | 7.00pH |
AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
Log Function Type | Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Node |
Calibration | pH, relative mV (RmV) and temperature |
Battery Type | 4 x AA |
Relative Humidity Range | 5 to 85%, non-condensing |
Calibration Points | 1 to 3 |
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.) |
IP Rating | IP-67 |
Temperature Selection | Manual or automatic with ATC temperature probe |
Keypad | Simple with highlighted measure key, scroll and shortcut keys |
Model | Orion Star A121 Portable pH/mV/RmV/Temperature Meter |
Outputs | None |
Range (Relative mV) | ±1999.9mV |
Temperature Range (English) | 22.0°F to 221.0°F |
Weight (English) | 2 lb. |
Resolution (Temperature) | 0.1°C, 0.1°F |
Temperature (Metric) Operating | 5°C to 45°C (ambient) |
Temperature Range (Metric) | -5°C to +105°C |
Range (mV) | ±1600.0 |
Fisherbrand™ accumet™ AE6 Portable pH/ORP Meter
The AE6 Portable pH Meters are ideal for quick, accurate conductivity or TDS checks in laboratories, field and schools.
Accuracy (mV) | ±1 |
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Resolution (pH) | 0.01 |
Range (pH) | 0 to 14 |
Calibration | 1.68, 4.01, 7, 10.01, 12.45 |
For Use With (Application) | Water Quality Testing |
Battery Type | AAA |
Accuracy (pH) | ±0.01 |
Calibration Points | 1 to 5 |
Type | Portable Meter |
Temperature Compensation | Automatic/Manual (0°C to 100°C) |
Resolution (mV) | 1 mV |
Resolution (Temperature) | 0.1°C |
Temperature Range (Metric) | 0°C to 100°C |
Range (mV) | -1000 to +1000 mV |
Accuracy (Temperature) | ±0.5°C |
Eutech™ EcoTestr pH Meter
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Battery Life | 250 hr. |
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IP Rating | IP67 |
Resolution (pH) | 0.1 |
Measurement Modes | pH |
Battery Type | A76/LR44 Alkaline |
Accuracy (pH) | ±0.1 |
Thermo Scientific™ Eutech™ pHTestr 10BNC pH Meter
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Thermo Scientific™ Eutech™ pH 450 Meter
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Memory | Stores up to 500 data sets |
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Resolution (pH) | 0.01 |
Measurement Modes | 500 |
Range (pH) | -2 to 16 |
Accuracy (Ion) | ±0.5 % full scale (monovalent); ±1 % full scale (divalent) |
Accuracy (pH) | ±0.01 |
Includes | Real-Time Clock: Time and date stamp on calibration and stored data |
Battery Life | >500 hr. (without backlight) |
Temperature Compensation | Automatic/Manual (-10°C to 110°C) |
Display Type | LCD, Custom with Backlight |
Resolution (Ion) | 0.01 / 0.1 / 1 ppm |
Resolution (mV) | 0.1 mV ±999.9 mV; 1 mV beyond |
Data Points | 500 |
Temperature Probe Calibration | Offset in 0.1 increments, ±10 °C or ±18 °F |
Accuracy (Temperature) | ±0.5°C/±0.9°F |
Weight (Metric) | Meter: 0.5 kg, Boxed: 0.7 kg |
Accuracy (mV) | ±0.2 +2 LSD or +0.5 % of reading, whichever is greater |
AC Adapter | Optional |
Calibration | mV: ±200 mV, Ion: From 2 to 4 or 2 to 5 points: 0.10, 1.00, 10.0, 100.0 & 1000 / 0.20, 2.00, 20.0 |
Battery Type | 2 x AA batteries (included) |
Calibration Points | Up to 5 (USA & NIST & CUSTOM), Up to 6 (DIN) |
Dimensions (L x W x H) | Meter: 7 7/8 x 3 1/8 x 2 1/4 in (20 x 8.3 x 5.7 cm), Boxed: 9 1/8 x 9 1/8 x 2 3/4 in (23 x 23 x 7 cm) |
IP Rating | IP-67 |
Outputs | USB, RS-232 |
Temperature Range (English) | 14.0°F to 230.0°F |
Range (Ion) | 0.0 to 2000 ppm |
Weight (English) | Meter: 1 lb., Boxed: 1.4 lb. |
Resolution (Temperature) | 0.1°C/°F |
Temperature Range (Metric) | -10°C to +110°C |
Range (mV) | ±2000 |
Thermo Scientific™ Eutech™ pH 150 Meter Kit
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Memory | Stores up to 150 data sets |
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Resolution (pH) | 0.01 |
Range (pH) | -2 to 16 |
Calibration | mV: ±200 mV, Temp: Offset in 0.1 increments, ±10°C or ±18°F |
Accuracy (pH) | ±0.01 |
Power Supply | Two AA batteries (included), >700 hours continuous use; AC adapter (optional) |
Calibration Points | Up to 5 (USA & NIST), Up to 6 (DIN) |
Temperature Compensation | Automatic/Manual (-10°C to 110°C) |
Display Type | LCD, 3-Line Custom |
Resolution (mV) | 0.1 mV ±999.9 mV; 1 mV beyond |
Range (Relative mV) | ±2000 |
Data Points | 150 |
Temperature Range (English) | 14.0°F to 230.0°F |
Resolution (Temperature) | 0.1°C/°F |
Temperature Range (Metric) | -10°C to +110°C |
Accuracy (Temperature) | ±0.5°C;/±0.9°F |
Thermo Scientific™ Eutech™ CyberScan pH 610 Meter
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Thermo Scientific™ Eutech™ CyberScan pH 600 Meter
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Thermo Scientific™ Elite pH Pocket Testers and Replacement Sensors
Flexible on-the-go pH and temperature testing using durable Elite pocket testers with replaceable sensors for a variety of applications including environmental monitoring, pools, spas and more!
Thermo Scientific™ Eutech™ pH 6+ pH Meter
Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.
Calibration Points | Up to 5 |
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Includes | Auto Power-Off after 17 minutes; Hold & Self-diagnostic messages |
Accuracy (mV) | ±1 |
Temperature Compensation | Automatic/Manual (0°C to 100°C) |
Display Type | LCD |
Resolution (mV) | 1 mV |
Resolution (Temperature) | 0.1°C |
Range (pH) | 0 to 14 |
Temperature Range (Metric) | 0°C to 100°C |
Range (mV) | -1000 to 1000 |
Battery Type | 4 AAA x 1.4V batteries |
Accuracy (Temperature) | ±0.05°C |
Accuracy (pH) | ±0.01 |
Orion™ 3-Star Plus pH Portable Meter
Confidently gather samples for the most demanding of field applications with the Thermo Scientific™ Orion™ 3-Star Plus pH Portable Meter.