pH & ORP Testers | Thermo Fisher Scientific

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

pH testers
ORP tester

	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

pH testers

	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 tester

	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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Bench pH Meters

Dedicated pH testing in water, process, research and QA/QC samples. Select from simple & economical models to powerful & sophisticated meters.

Online pH Water Measurement Systems

Thermo Scientific AquaSensors, Eutech, and Orion sensors provide real-time, accurate pH/ORP measurements and more across your facility.

Electrodes, Standards and Solutions

Quality pH electrodes, standards and solutions are available for a variety of body materials, body styles, fill types, references styles, and functions to meet your needs.

Resources

Eutech Expert pH and CTS pocket sized testers. On-the-go accurate solutions for water analysis

Style Sheet for Global Design System