pH & ORP tester

Budget-friendly, on-the-go pocket testers for your sample analysis of pH, temperature or ORP.

Thermo Scientific pocket testers provide budget-friendly on-the-go electrochemical testing. Choose from three models to measure pH and temperature and one model to measure ORP (oxidation reduction potential).

Elite pH and ORP pocket testers

Elite pH and ORP pocket testers are accurate, durable and IP-67 waterproof with a large backlit graphic screen, one-touch calibration and replaceable sensor heads. Select the Elite pH tester to measure common aqueous samples or the Elite pH spear tester with spear-tip sensor to measure semi-solid samples including cheese, meat, fruit, bread and more. They are ideal for testing beverages including homebrew beer and wine, food, hydroponics, aquaculture, environmental monitoring, cooling towers and more.

  • Flexible testing option
  • Large, backlit graphic display
  • 4 x AAA alkaline batteries
  • Average 250 hours of battery life

Expert pH pocket testers

Expert pH pocket testers simple to use, economical and sturdy, with a large dual-reading screen, straightforward calibration and 1-year warranty. They are ideal for testing drinking water quality, environmental monitoring, aquariums, pools, spas and more.

  • Budget-friendly option
  • Large, double line display
  • 4 x 1.5V micro alkaline batteries
  • Average 100 hours of battery life
 

Elite pH Pocket Tester

Elite pH Spear Pocket Tester

Expert pH Pocket Tester

pH Range -1.00 to 15.00 pH -1.00 to 15.00 pH 0.0 to 14.0 pH
pH Resolution 0.01 pH 0.01 pH 0.1 pH
pH Relative Accuracy ±0.02 pH ±0.02 pH ±0.1 pH
pH Calibration Points 1 to 3 1 to 3 1 to 3
Automatic Buffer Sets USA: 4.01, 7.00, 10.01 |
NIST: 4.01, 6.86, 9.18
USA: 4.01, 7.00, 10.01 | NIST: 4.01, 6.86, 9.18 USA: 4.0, 7.0, 10.0 | NIST: 4.0, 6.9, 9.2
Automatic Temperature Compensation Yes Yes, with manual temperature input Yes
Temperature Range 0.0° to 60.0°C | 32.0° to 140.0°F 0.0° to 60.0°C | 32.0° to 140.0°F 0.0° to 50.0°C | 32.0° to 122.0°F
Temperature Resolution 0.1°C | 0.1°F 0.1°C | 0.1°F 0.1°C | 0.1°F
Temperature Relative Accuracy ±0.6°C, ±1.0°F: 0° to 50°C | ±1.1°C, ±1.9°F: 50.1° to 60°C Manual input ±0.6°C | ±1.0°F
Temperature Calibration Yes N/A Yes
Display Type Graphic 4-digit double-line Graphic 4-digit double-line 4-digit double-line
Backlit Display Yes Yes No
Hold Function Yes Yes No
Waterproof Rating IP67 IP67 IP67
Auto Shutoff Feature Yes Yes Yes
Includes Lanyard Yes Yes No
Material ABS Plastic ABS Plastic ABS Plastic
Battery Type 4 x AAA Alkaline 4 x AAA Alkaline 4 x 1.5V Micro Alkaline
Average Battery Life 250 hours 250 hours 100 hours
Warranty One (1) year One (1) year One (1) year
 

ORP Pocket Tester

ORP Range -1000 to 1000 mV
ORP Resolution 1 mV
ORP Relative Accuracy ±3 mV
ORP Calibration Point 1, ±200 mV
Temperature Range 0.0° to 60.0°C | 32.0° to 140.0°F
Temperature Resolution 0.1°C | 0.1°F
Temperature Relative Accuracy Manual input
Temperature Calibration N/A
Display Type Graphic 4-digit double-line
Backlit Display Yes
Hold Function Yes
Waterproof Rating IP67
Auto Shutoff Feature Yes
Includes Lanyard Yes
Material ABS Plastic
Battery Type 4 x AAA Alkaline
Average Battery Life 250 hours
Warranty One (1) year
 

Elite pH Pocket Tester

Elite pH Spear Pocket Tester

Expert pH Pocket Tester

pH Range -1.00 to 15.00 pH -1.00 to 15.00 pH 0.0 to 14.0 pH
pH Resolution 0.01 pH 0.01 pH 0.1 pH
pH Relative Accuracy ±0.02 pH ±0.02 pH ±0.1 pH
pH Calibration Points 1 to 3 1 to 3 1 to 3
Automatic Buffer Sets USA: 4.01, 7.00, 10.01 |
NIST: 4.01, 6.86, 9.18
USA: 4.01, 7.00, 10.01 | NIST: 4.01, 6.86, 9.18 USA: 4.0, 7.0, 10.0 | NIST: 4.0, 6.9, 9.2
Automatic Temperature Compensation Yes Yes, with manual temperature input Yes
Temperature Range 0.0° to 60.0°C | 32.0° to 140.0°F 0.0° to 60.0°C | 32.0° to 140.0°F 0.0° to 50.0°C | 32.0° to 122.0°F
Temperature Resolution 0.1°C | 0.1°F 0.1°C | 0.1°F 0.1°C | 0.1°F
Temperature Relative Accuracy ±0.6°C, ±1.0°F: 0° to 50°C | ±1.1°C, ±1.9°F: 50.1° to 60°C Manual input ±0.6°C | ±1.0°F
Temperature Calibration Yes N/A Yes
Display Type Graphic 4-digit double-line Graphic 4-digit double-line 4-digit double-line
Backlit Display Yes Yes No
Hold Function Yes Yes No
Waterproof Rating IP67 IP67 IP67
Auto Shutoff Feature Yes Yes Yes
Includes Lanyard Yes Yes No
Material ABS Plastic ABS Plastic ABS Plastic
Battery Type 4 x AAA Alkaline 4 x AAA Alkaline 4 x 1.5V Micro Alkaline
Average Battery Life 250 hours 250 hours 100 hours
Warranty One (1) year One (1) year One (1) year
 

ORP Pocket Tester

ORP Range -1000 to 1000 mV
ORP Resolution 1 mV
ORP Relative Accuracy ±3 mV
ORP Calibration Point 1, ±200 mV
Temperature Range 0.0° to 60.0°C | 32.0° to 140.0°F
Temperature Resolution 0.1°C | 0.1°F
Temperature Relative Accuracy Manual input
Temperature Calibration N/A
Display Type Graphic 4-digit double-line
Backlit Display Yes
Hold Function Yes
Waterproof Rating IP67
Auto Shutoff Feature Yes
Includes Lanyard Yes
Material ABS Plastic
Battery Type 4 x AAA Alkaline
Average Battery Life 250 hours
Warranty One (1) year

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