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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Testo 205 pH Meter, ±0.02pH Accuracy, 0.01pH Resolution, 14pH Max, +60°C Max
RS Stock No. 232-0511
Brand Testo
Manufacturers Part No. 0563 2052

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Testo
14pH
0pH
0.01pH
±0.02pH
+60°C
0°C
±0.4 °C
-
-
-
-
Button Cell 4x LR44
-
-
80h
-
-
-
-
205
-
-
-
-
Hazardous Product
Testo 206-pH2 Starter Set pH Meter, ±0.02pH Accuracy, 0.01pH Resolution, 14pH Max, +60 °C Max
RS Stock No. 232-0515
Brand Testo
Manufacturers Part No. 0563 2066

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

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Chauvin Arnoux
14pH
0pH
0.01pH
-
+60 °C
0°C
-
-
-
-
227mm
CR232
0°C
CA 10001
>100 h
-
20mm
+50°C
-
CA 10001
-
36mm
20 x 36 x 227mm
65g
Chauvin Arnoux CA 10101 pH Meter, 0.01pH Resolution, 16pH Max, +120 °C Max
RS Stock No. 195-0936
Brand Chauvin Arnoux
Manufacturers Part No. P01710010

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

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Endress+Hauser
-
-
-
-
-
-
-
-
-
-
-
-
-
CM14
-
-
-
-
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CM14
-
-
48 x 96 x 152mm
300g
Hanna Instruments HI-83141-1 pH Meter, 0.01pH Accuracy, 0.01pH Resolution, 14pH Max, +100 °C Max
RS Stock No. 256-9825
Brand Hanna Instruments
Manufacturers Part No. HI-83141-1

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Hanna Instruments
14pH
0pH
0.01pH
0.01pH
100
-
-
-
-
-
-
-
-
HI-83141-1
-
-
-
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HI-83141-1
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-
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Hanna Instruments HI-9811-51 pH Meter, 0.1pH Accuracy, 0.1pH Resolution, 14pH Max, +70 °C Max
RS Stock No. 256-9827
Brand Hanna Instruments
Manufacturers Part No. HI-9811-51

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Hanna Instruments
14pH
0pH
0.1pH
0.1pH
+70 °C
-
-
-
-
-
-
-
-
HI-9811-51
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-
-
-
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HI-9811-51
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-
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Hanna Instruments HI-9812-51 pH Meter, 0.1pH Accuracy, 0.1pH Resolution, 14pH Max, +70 °C Max
RS Stock No. 256-9828
Brand Hanna Instruments
Manufacturers Part No. HI-9812-51

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Hanna Instruments
14pH
0pH
0.1pH
0.1pH
+70 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
HI-9812-51
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-
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-
Hanna Instruments HI-9813-51 pH Meter, 0.1pH Accuracy, 0.1pH Resolution, 14pH Max, +60 °C Max
RS Stock No. 256-9829
Brand Hanna Instruments
Manufacturers Part No. HI-9813-51

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Hanna Instruments
14pH
0pH
0.1pH
0.1pH
+60 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
HI-9813-51
-
-
-
-
Testo 205 pH Meter, ±0.02pH Accuracy, 0.01pH Resolution, 14pH Max, +60 °C Max
RS Stock No. 232-0510
Brand Testo
Manufacturers Part No. 0563 2051

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Testo
14pH
0pH
0.01pH
±0.02pH
+60 °C
0°C
±0.4 °C
-
-
-
167mm
Button Cell 4x LR44
-
-
80 h
-
145mm
-
-
205
-
38mm
145 x 38 x 167mm
135g
Hazardous Product
Testo 206-pH2 pH Meter, ±0.02pH Accuracy, 0.01pH Resolution, 14pH Max, +60 °C Max
RS Stock No. 232-0512
Brand Testo
Manufacturers Part No. 0563 2062

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Testo
14pH
0pH
0.01pH
±0.02pH
+60 °C
0°C
±0.4 °C
-
-
-
20mm
CR2032
0°C
-
80 h (Auto Off 10 min)
-
197mm
+60°C
-
206-pH2
-
33mm
197 x 33 x 20mm
115 g (with TopSafe) and 65 g (without TopSafe)
Hazardous Product
Testo 206-pH3 pH Meter, ±0.02pH Accuracy, 0.01pH Resolution, 14pH Max, +80 °C Max
RS Stock No. 232-0513
Brand Testo
Manufacturers Part No. 0563 2063

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Testo
14pH
0pH
0.01pH
±0.02pH
+80 °C
0°C
±0.4 °C
-
-
-
20mm
CR2032
0°C
-
80 h (Auto Off 10 min)
-
197mm
+60°C
-
206-pH3
-
33mm
197 x 33 x 20mm
69g
Hazardous Product
Hanna Instruments CHECKER1 pH Meter, ±0.2pH Accuracy, 0.01pH Resolution, 14pH Max
RS Stock No. 214-855
Brand Hanna Instruments
Manufacturers Part No. HI-98103

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Hanna Instruments
14pH
0pH
0.01pH
±0.2pH
-
-
-
-
-
-
25mm
CR2032
0°C
CHECKER1
3000 h
-
66mm
+50°C
-
CHECKER1
-
50mm
66 x 50 x 25mm
50g
Hazardous Product
Hanna Instruments HI 98107 pH Meter, ±0.1pH Accuracy, 0.1pH Resolution, 14pH Max
RS Stock No. 218-970
Brand Hanna Instruments
Manufacturers Part No. HI-98107

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Hanna Instruments
14pH
0pH
0.1pH
±0.1pH
-
-
-
-
-
-
23mm
Button Cell (1.5 V) x 4
0°C
HI 98107
700 h
-
175mm
+50°C
-
HI 98107
-
41mm
175 x 41 x 23mm
95g
Hanna Instruments HI 98127 pH Meter, ±0.1pH Accuracy, 0.1pH Resolution, 16pH Max, +60 °C Max
RS Stock No. 410-0902
Brand Hanna Instruments
Manufacturers Part No. HI-98127

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Hanna Instruments
16pH
-2pH
0.1pH
±0.1pH
+60 °C
-5°C
±0.5 °C
-
-
-
26mm
Button Cell (1.5 V) x 4
-5°C
-
300 h
-
163mm
+50°C
-
HI 98127
-
40mm
163 x 40 x 26mm
100g
Hanna Instruments HI 98128 pH Meter, ±0.05pH Accuracy, 0.01pH Resolution, 16pH Max, +60 °C Max
RS Stock No. 410-0918
Brand Hanna Instruments
Manufacturers Part No. HI-98128

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Hanna Instruments
16pH
-2pH
0.01pH
±0.05pH
+60 °C
-5°C
±0.5 °C
-
-
-
26mm
Button Cell (1.5 V) x 4
-5°C
-
300 h
-
163mm
+50°C
-
HI 98128
-
40mm
163 x 40 x 26mm
100g
Hanna Instruments HI 98129 pH Meter, ±0.05pH Accuracy, 0.01pH Resolution, 14pH Max, +60 °C Max
RS Stock No. 434-2358
Brand Hanna Instruments
Manufacturers Part No. HI-98129

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Hanna Instruments
14pH
0pH
0.01pH
±0.05pH
+60 °C
0°C
±0.5 °C
3999µS/cm
0µS/cm
1µS/cm
26mm
Button Cell (1.5 V) x 4
0°C
-
100 h
1ppm
163mm
+50°C
2000ppm
HI 98129
0ppm
40mm
163 x 40 x 26mm
100g
Hanna Instruments HI 98130 pH Meter, ±0.05pH Accuracy, 0.01pH Resolution, 14pH Max, +60 °C Max
RS Stock No. 434-2364
Brand Hanna Instruments
Manufacturers Part No. HI-98130

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Hanna Instruments
14pH
0pH
0.01pH
±0.05pH
+60 °C
0°C
±0.5 °C
20mS/cm
0mS/cm
0.01mS/cm
26mm
Button Cell (1.5 V) x 4
0°C
-
100 h
0.01ppt
163mm
+50°C
10ppt
HI 98130
0ppt
40mm
163 x 40 x 26mm
100g
Testo 206-pH1 pH Meter, ±0.02pH Accuracy, 0.01pH Resolution, 14pH Max, +60 °C Max
RS Stock No. 479-8492
Brand Testo
Manufacturers Part No. 0563 2061

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Testo
14pH
0pH
0.01pH
±0.02pH
+60 °C
0°C
±0.4 °C
-
-
-
20mm
CR2032
0°C
-
80 h
-
197mm
+60°C
-
206-pH1
-
33mm
197 x 33 x 20mm
69g
Hanna Instruments HI 991300 pH Meter, ±0.01pH Accuracy, 0.01pH Resolution, 16pH Max, +105 °C Max
RS Stock No. 410-1400
Brand Hanna Instruments
Manufacturers Part No. HI-991300N

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Hanna Instruments
16pH
-2pH
0.01pH
±0.01pH
+105 °C
-5°C
±0.5 °C
3999µS/cm
0µS/cm
1µS/cm
-
AAA
0°C
-
500 h
1ppm
-
+50°C
2000ppm
HI 991300
0ppm
-
154 x 63 x 30mm
196g