Digital pH Meter

Field Test Water with a Digital pH Meter from Ben Meadows

If you field test water, Ben can help you find the ideal pen-style digital pH meter. Click through the tabs below to models that provide hundreds of hours of continuous use on one battery or ergonomic, one-handed operation.

HANNA® pHep pH MeterBuy Now
pHep
Part #222500
HANNA® pHep Plus pH MeterBuy Now
pHep Plus
Part #222501
HANNA® Waterproof pHep4 TesterBuy Now
pHep 4
Part #78288
HANNA® Waterproof pHep5 TesterBuy Now
pHep 5
Part #78289
Piccolo pH Tester w/ 3.5 in. ElectrodeBuy Now
Piccolo
Part #221401
Piccolo pH Tester w/ 6.5 in. ElectrodeBuy Now
Piccolo 2
Part #222025
Piccolo Plus pH Tester w/ 6.5 in. ElectrodeBuy Now
Piccolo Plus
Part #222015
Range 0 to 14 0 to 14 0 to 14 0 to 14 1 to 13 1 to 13 1 to 13
Accuracy ± 0.1 ± 0.1 ± 0.1 ± 0.05 ± 0.01 ± 0.01 ± 0.01
Resolution 0.1 0.1 0.1 0.01 0.01 0.01 0.01
Temperature - - Yes Yes - - Yes
ATC - Yes Yes Yes Yes Yes Yes
Waterproof - - Yes Yes - - -
Replacement Electrode #222502 #222503 #78290 #78290 #221402 #222016 #222016
Electrode
Type
Glass Bulb
Single Junction
Glass Bulb
Single Junction
Glass Bulb
Single Junction
Glass Bulb
Single Junction
Glass Bulb
Single Junction
Glass Bulb
Single Junction
Glass Bulb
Single Junction
Calibration
Points
1 or 2 1 or 2 1 or 2 1 or 2 1 or 2 1 or 2 1 or 2
EXTECH® Waterproof pH PenBuy Now
pH Pen
Part #143496
EXTECH® Waterproof pH Pen with TemperatureBuy Now
pH Pen w/ Temp
Part #143497
EXTECH® ExStik® pH MeterBuy Now
ExStik
Part #91896
EXTECH® ExStik® Waterproof Refillable pH MeterBuy Now
ExStik Refillable
Part #113437
Range 2 to 12 0 to 14 0 to 14 0 to 14
Accuracy ± 0.3 ± 0.2 ± 0.01 ± 0.01
Resolution 0.1 0.1 0.01 0.01
Temperature - - Yes Yes
ATC - Yes - -
Waterproof Yes Yes Yes Yes
Replacement Electrode None None #91897 #132864
Electrode
Type
Glass Bulb
Single Junction
Glass Bulb
Single Junction
Flat Glass
Single Junction
Flat Glass
Single Junction
Calibration
Points
up to 3 up to 3 up to 3 up to 3
OAKTON® Waterproof EcoTestr™ pH 2 MeterBuy Now
EcoTester™ pH 2
Part #158775
OAKTON® Waterproof pH Testr® 10Buy Now
pH Testr® 10
Part #126288
OAKTON® Waterproof pH Testr® 20Buy Now
pH Testr® 20
Part #126289
Oakton® Waterproof pH Testr® 30Buy Now
pH Testr® 30
Part #126290

 OAKTON® Waterproof pHTestr® 10 BNC MeterBuy Now
pH Testr® 10 BNC
Part #126295
Range 0 to 14 -1 to 15 -1 to 15 -1 to 15 -1 to 15
Accuracy ± 0.1 ± 0.1 ± 0.01 ± 0.01 ± 0.01
Resolution 0.1 0.1 0.01 0.01 0.01
Temperature - - - Yes -
ATC Yes Yes Yes Yes -
Waterproof Yes Yes Yes Yes Yes
Replacement Electrode None #78246 #78246 #78246 #16992
Electrode
Type
Glass Bulb
Single Junction
Glass Bulb
Double Junction
Glass Bulb
Double Junction
Glass Bulb
Double Junction
Can use any
BNC electrode
Calibration
Points
up to 3 up to 3 up to 3 up to 3 up to 3
YSI® EcoSense® pH 10 MeterBuy Now
EcoSense pH 10
Part #125161
Waterproof pH55 MultitesterBuy Now
Sharp pH55
Part #158784
Waterproof pH56 MultitesterBuy Now
Sharp pH56
Part #158785
General Digital pH Meter Buy Now
General Digital pH Meter
Part #166984
Thermo Orion Russell R6060P pH / Temperature Meter with ATC Probe and Separate Gel-Filled Electrode Buy Now
with ATC Probe and Separate
Gel-Filled Electrode
Part #136830
Thermo Orion Russell R6060P pH / Temperature Meter with 3-in-1 Probe Buy Now
with 3-in-1 Probe
Part #136831
Range 0 to 14 -2 to 16 -2 to 16      
Accuracy ± 0.02 ± 0.1 ± 0.05      
Resolution 0.01 0.1 0.01      
Temperature Yes Yes Yes      
ATC Yes Yes Yes      
Waterproof Yes Yes Yes      
Replacement Electrode #125176 Call 1-800-241-6401 Call 1-800-241-6401   #136833 #136833
Electrode
Type
Glass Bulb
Single Junction
Glass Bulb
Double Junction
Glass Bulb
Double Junction
     
Calibration
Points
up to 3 1 or 2 1 or 2