pH Meters

A pH meter is an instrument designed to measure the hydrogen-ion level in water based solutions. A pH meter indicates the acidity and alkalinity and is sometimes also referred to as a potentiometric pH meter.

A pH meter works by measuring the voltage between two electrodes. The results are displayed by converting this information into a pH value.

The term 'pH' refers to a unit of me...

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Hazardous Product
Hanna Instruments CHECKER1 pH Meter, ±0.2 pH Accuracy, 0.1 pH Resolution, 14 pH Max
Hanna Instruments CHECKER1 pH Meter, ±0.2 pH Accuracy, 0.1 pH Resolution, 14 pH Max
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RS Stock No.: 214-855Brand: Hanna InstrumentsManufacturers Part No.: HI-98103

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Hanna Instruments
14pH
pH Meter
0.1pH
±0.2 pH
-
-
0pH
0°C
-
50°C
No
CHECKER1
25mm
50g
66mm
CR2032
50 mm
3000h
Battery
Hazardous Product
Hanna Instruments HI 98107 pH Meter, ±0.1 pH Accuracy, 0.1 pH Resolution, 14 pH Max
Hanna Instruments HI 98107 pH Meter, ±0.1 pH Accuracy, 0.1 pH Resolution, 14 pH Max
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RS Stock No.: 218-970Brand: Hanna InstrumentsManufacturers Part No.: HI-98107

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Hanna Instruments
14pH
pH Meter
0.1pH
±0.1 pH
-
-
0pH
0°C
-
50°C
No
HI 98107
23mm
95g
175mm
-
41 mm
700h
Battery
Hanna Instruments HI 98127 pH Meter, ±0.1 pH Accuracy, 0.1 pH Resolution, 16 pH Max, 60 °C Max
Hanna Instruments HI 98127 pH Meter, ±0.1 pH Accuracy, 0.1 pH Resolution, 16 pH Max, 60 °C Max
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RS Stock No.: 410-0902Brand: Hanna InstrumentsManufacturers Part No.: HI-98127

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Hanna Instruments
16pH
pH Meter
0.1pH
±0.1 pH
60°C
-5°C
-2pH
-5°C
0.1°C
50°C
CE
HI 98127
26mm
100g
163mm
-
40 mm
300h
Battery
Hanna Instruments HI 98128 pH Meter, ±0.05 pH Accuracy, 0.01 pH Resolution, 16 pH Max, 60 °C Max
Hanna Instruments HI 98128 pH Meter, ±0.05 pH Accuracy, 0.01 pH Resolution, 16 pH Max, 60 °C Max
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RS Stock No.: 410-0918Brand: Hanna InstrumentsManufacturers Part No.: HI-98128

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Hanna Instruments
16pH
pH Meter
0.01pH
±0.05 pH
60°C
-5°C
-2pH
-5°C
0.1°C
50°C
No
HI 98128
26mm
100g
163mm
-
40 mm
300h
Battery
Hanna Instruments HI 98129 pH Meter, ±0.05 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Hanna Instruments HI 98129 pH Meter, ±0.05 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 434-2358Brand: Hanna InstrumentsManufacturers Part No.: HI-98129

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Hanna Instruments
14pH
pH Meter
0.01pH
±0.05 pH
60°C
0°C
0pH
0°C
0.1°C
50°C
No
HI 98129
26mm
100g
163mm
-
40 mm
100h
Battery
Hanna Instruments HI 98130 pH Meter, ±0.05 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Hanna Instruments HI 98130 pH Meter, ±0.05 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 434-2364Brand: Hanna InstrumentsManufacturers Part No.: HI-98130

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Hanna Instruments
14pH
pH Meter
0.01pH
±0.05 pH
60°C
0°C
0pH
0°C
0.1°C
50°C
CE
HI 98130
26mm
100g
163mm
-
40 mm
100h
Battery
Testo 206-pH1 pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Testo 206-pH1 pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 479-8492Brand: TestoManufacturers Part No.: 0563 2061

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Testo
14pH
pH Meter
0.01pH
±0.02 pH
60°C
0°C
0pH
0°C
0.1°C
60°C
No
206-pH1
20mm
69g
197mm
CR2032
33 mm
80h
Battery
Hazardous Product
Hanna Instruments HI 3811 Conductivity Meter
Hanna Instruments HI 3811 Conductivity Meter
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RS Stock No.: 454-6960Brand: Hanna InstrumentsManufacturers Part No.: HI 3811

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Hanna Instruments
-
Conductivity Meter
-
-
-
-
-
-
-
-
No
HI 3811
-
-
-
-
-
-
-
Hazardous Product
Testo 206-pH1 Starter Set pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Testo 206-pH1 Starter Set pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 512-0373Brand: TestoManufacturers Part No.: 0563 2065

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Testo
14pH
pH Meter
0.01pH
±0.02 pH
60°C
0°C
0pH
0°C
0.1°C
60°C
No
206-pH1 Starter Set
20mm
69g
197mm
CR2032
33 mm
80h
Battery
Hanna Instruments HI 991001N pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 16 pH Max, 105 °C Max
Hanna Instruments HI 991001N pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 16 pH Max, 105 °C Max
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RS Stock No.: 726-2696Brand: Hanna InstrumentsManufacturers Part No.: HI-991001

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Hanna Instruments
16pH
pH Meter
0.01pH
±0.02 pH
105°C
-5°C
-2pH
0°C
0.1°C
50°C
No
HI 991001N
38mm
245g
150mm
AAA
80 mm
1500h
Battery
Hanna Instruments HI 991301 pH Meter, ±0.01 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Hanna Instruments HI 991301 pH Meter, ±0.01 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 410-0930Brand: Hanna InstrumentsManufacturers Part No.: HI-991301

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Hanna Instruments
14pH
pH Meter
0.01pH
±0.01 pH
60°C
0°C
0pH
0°C
0.1°C
50°C
No
HI 991301
36mm
210g
150mm
AAA
80 mm
500h
Battery
Hanna Instruments HI 991300 pH Meter, ±0.01 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Hanna Instruments HI 991300 pH Meter, ±0.01 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 366-6186Brand: Hanna InstrumentsManufacturers Part No.: HI98509

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Hanna Instruments
14pH
pH Meter
0.01pH
±0.01 pH
60°C
0°C
0pH
0°C
0.1°C
50°C
CE, RoHS
HI 991300
36mm
210g
150mm
AAA
80 mm
500h
Battery
Testo 205 pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Testo 205 pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 232-0511Brand: TestoManufacturers Part No.: 0563 2052

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Testo
14pH
pH Meter
0.01pH
±0.02 pH
60°C
0°C
0pH
0°C
0.1°C
50°C
No
205
-
135g
-
LR44
-
80h
-
Hazardous Product
Testo 206-pH2 Starter Set pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Testo 206-pH2 Starter Set pH Meter, ±0.02 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 232-0515Brand: TestoManufacturers Part No.: 0563 2066

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Testo
14pH
pH Meter
0.01pH
±0.02 pH
60°C
0°C
0pH
0°C
0.1°C
60°C
No
206-pH2 Starter Set
197mm
62g
33mm
CR2032
20 mm
80h
-
Hazardous Product
Chauvin Arnoux CA 10001 pH Meter, 0.01 pH Resolution, 14 pH Max, 60 °C Max
Chauvin Arnoux CA 10001 pH Meter, 0.01 pH Resolution, 14 pH Max, 60 °C Max
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RS Stock No.: 195-0938Brand: Chauvin ArnouxManufacturers Part No.: P01710015

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Chauvin Arnoux
14pH
pH Meter
0.01pH
-
60°C
0°C
0pH
0°C
0.1°C
50°C
REACH Regulation (EC) No 1907/2006
CA 10001
227mm
65g
20mm
CR232
36 mm
100h
Battery
Chauvin Arnoux CA 10101 pH Meter, 0.01 pH Resolution, 16 pH Max, 120 °C Max
Chauvin Arnoux CA 10101 pH Meter, 0.01 pH Resolution, 16 pH Max, 120 °C Max
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RS Stock No.: 195-0936Brand: Chauvin ArnouxManufacturers Part No.: P01710010

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Chauvin Arnoux
16pH
pH Meter
0.01pH
-
120°C
-10°C
-2pH
-10°C
0.1°C
120°C
DIN 19266
CA 10101
211mm
600g
54mm
AA
127 mm
300h
Battery
Endress+Hauser CM14 Water Conductivity Meter
Endress+Hauser CM14 Water Conductivity Meter
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RS Stock No.: 256-6134Brand: Endress+HauserManufacturers Part No.: CM14-AAM

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Endress+Hauser
-
Water Conductivity Meter
-
-
-
-
-
-10°C
-
60°C
No
CM14
-
300g
-
-
-
-
-
Endress+Hauser CM42 pH Meter
Endress+Hauser CM42 pH Meter
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RS Stock No.: 287-1647Brand: Endress+HauserManufacturers Part No.: CM42-MEA100EAD00

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Endress+Hauser
-
pH Meter
-
-
-
-
-
-20°C
-
50°C
UKEX, FM, CSA, JPN Ex, ATEX, NEPSI, IECEX, EAC
CM42
144mm
-
148mm
-
144 mm
-
-
Endress+Hauser CM42 pH Meter
Endress+Hauser CM42 pH Meter
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RS Stock No.: 287-1644Brand: Endress+HauserManufacturers Part No.: CM42-MEA000EAD00

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Endress+Hauser
-
pH Meter
-
-
-
-
-
-20°C
-
50°C
CSA, JPN Ex, ATEX, IECEX, EAC, UKEX, FM, NEPSI
CM42
144mm
-
148mm
-
144 mm
-
-
Endress+Hauser CM42 pH Meter
Endress+Hauser CM42 pH Meter
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RS Stock No.: 287-1643Brand: Endress+HauserManufacturers Part No.: CM42-MAA000EAE00

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Endress+Hauser
-
pH Meter
-
-
-
-
-
-20°C
-
50°C
NEPSI, EAC, UKEX, IECEX, JPN Ex, CSA, FM, ATEX
CM42
144mm
-
148mm
-
144 mm
-
-