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Portable pH Meters

Instruments used to measure the acidity or alkalinity of a sample, and designed for portability and durability.

Portable pH meters are most often used away from the physical lab to measure the acidity or alkalinity of liquids in more remote locations.

A pH meter actually measures hydrogen-ion activity in water-based solutions. The liquid’s acidity or alkalinity is expressed as a pH unit. The pH scale ranges from 0 to 14, meaning a liquid with a pH below 7 is acidic and a pH above 7 is basic. A pH of 7 is considered neutral.

Also called electrochemistry meters, pH meters are potentiometric and determine the difference in electrical potential between the measuring electrode and a reference electrode.

Some portable pH meters accomplish routine tasks, often used to determine the pH of swimming pools and meet other commercial needs. These are sometimes called pH testers. Indicators or litmus papers can also be used to qualitatively measure pH.

Modern portable pH meters are typically digital and may detect more than pH. Some are equipped to measure specific ions, dissolved oxygen content, or conductivity.

Many portable pH meters are waterproof to protect against accidental dropping or adverse environmental conditions like rain or snow. Some electrodes are also equipped with longer cables to allow for submersion in a reservoir of water or other liquid.

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16 – 30 of 68 results
16

WTW™ ProfiLine™ pH Portable Meters
GREENER_CHOICE

Obtain optimum results with this easy and robust portable pH/mV meter with an automatic autoread function for routine pH measurements that is safe, secure, reliable, and prevents errors.

Height (Metric) 180 mm
Accuracy (mV) ±0.3, ±1
Warranty 3 Years
Resolution (pH) ±0.005
Range (pH) -2 to 19.999
For Use With (Application) Ideal for all seeking an easy, robust and waterproof instrument for portable pH measuring
Width (Metric) 80 mm
Battery Type AA, NiMH
Accuracy (pH) ±0.1, ±0.01, ±0.005
Power Supply 4 x 1.5V AA or 4 x 1.2V NiMH rechargeable
Calibration Points 1, 2 or 3 Calibration WTW Technical Buffer, DIN/NIST buffers
Battery Life 2500 hr.
Dimensions (L x W x H) 80 W x 180 H mm
Display Type LCD, 7 Segment
IP Rating IP67
Depth (Metric) 55 mm
Resolution (mV) ±0.3, ±1mV
Certifications/Compliance CE
Temperature (Metric) Operating -5°C to +105°C
Range (mV) -1200 to 1200, -2000 to 2000
Accuracy (Temperature) ±0.1°C
Dimensions (L x W) 80 W mm
Resolution All values ±1 digit
Weight (Metric) 0.6 kg
17

Oakton™ Waterproof Big Display pHTestr™ 30

Versatile, compact design works in a field or laboratory setting.

Diameter (English) 1.5 in.
Warranty 1 Year
Length (Metric) 16.5 cm
Temperature (English) Operating 32.0°F to 122.0°F
Detection Range -1 to 15 pH
Resolution (pH) 0.01
Measurement Modes pH
Range (pH) -1 to 15
Calibration Automatic
For Use With (Application) Hold function, auto-off, error messages, waterproof, dustproof and floatable
Accuracy (pH) ±0.01
Calibration Points 1 to 3
Accuracy ±0.1 pH
Display Type LCD
IP Rating IP66/67
Diameter (Metric) 3.8 cm
Backlight Option None
Certifications/Compliance NIST
Resolution (Temperature) 0.1°C
Temperature (Metric) Operating 0°C to 50°C
Accuracy (Temperature) ±1°C
Resolution 0.1pH
18

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
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 IP67
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
19
Promotions Available

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.

20

Hanna Instruments™ Portable HACCP pH Meter

Designed specifically for use in the food and dairy industries

22

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.

23

Jenway™ 550 portable pH meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries

550 portable pH meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries. A small, lightweight general purpose pH meter offering 2 point pH calibration and automatic buffer recognition. Simultaneously displays both the temperature compensated pH readings and temperature.

24

Hanna Instruments™ Waterproof Portable pH Meter

Features a large, dual level LCD display for easy viewing of the pH, temperature, and status indicators. Hanna Instruments™ Waterproof Portable pH Meter offers a simplified two-button operation. Compact, waterproof, and portable.

25

Testo™ pH/Temperature Meter 206-pH1 Starter Kit

Everything needed to start measuring the temperature and pH value in liquids such as drinking or heating water.

26

Testo™ 206-pH3 pH/Temperature Measuring Instrument

A one-handed pH/temperature measuring instrument for connecting external probes.

27

Brannan™ Soil Analysis pH Meter

Instantly tells you how acid or alkaline yo soil is and checks which plants suit.

EDGE
28

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
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
30
Promotions Available

Fisherbrand™ Handheld pH/ORP meter Accumet AE6AK, in carrying case

Fisherbrand Handheld pHmeter Accumet AE6AK, in carrying case.