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To ensure proper commissioning as well as highly accurate measurement, the use of calibration solutions is essential. Regular calibration ensures that the medium to be monitored is measured reliably. The frequency depends in particular on the operating conditions and the respective process requirements. Proper calibration can compensate for changes in the probe over time, which can be caused by minor damage or contamination, for example.

When selecting a probe, it is important to ensure that:

  • The solution selected matches the measuring range of the instrument used.

  • The solution used best matches the range in which measurements are to be made.

  • In the case of a multi-point calibration, make sure that calibration solutions are used whose values are above and below the required measuring range.

 All solutions offered are traceable to the certified international standard SRM NIST.

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Buffer solution
Buffer solution
Product number: 890767
Size of bottle: 500 ml | pH buffer: pH 7.00 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 500 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€12.29*
Details
Buffer solution
Buffer solution
Product number: 890768
Size of bottle: 500 ml | pH buffer: pH 9.21 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 500 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€12.29*
Details
Buffer solution
Buffer solution
Product number: 891188
Size of bottle: 1000 ml | pH buffer: pH 10.01 (+-0,02pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 1000 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€18.29*
Details
Buffer solution
Buffer solution
Product number: 890691
Size of bottle: 70 ml | pH buffer: pH 4.01 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes red colored

€3.69*
Details
Buffer solution
Buffer solution
Product number: 890687
Size of bottle: 250 ml | pH buffer: pH 4.01 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 250 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.red colored

€9.29*
Details
Buffer solution
Buffer solution
Product number: 891186
Size of bottle: 1000 ml | pH buffer: pH 7.00 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 1000 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€18.29*
Details
Buffer solution
Buffer solution
Product number: 890694
Size of bottle: 70 ml | pH buffer: pH 10.01 (+-0,02pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes yellow colored

€3.69*
Details
Buffer solution
Buffer solution
Product number: 890688
Size of bottle: 250 ml | pH buffer: pH 7.00 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 250 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.green colored

€9.29*
Details
Buffer solution
Buffer solution
Product number: 891187
Size of bottle: 1000 ml | pH buffer: pH 9.21 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 1000 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€18.29*
Details
Buffer solution
Buffer solution
Product number: 890769
Size of bottle: 500 ml | pH buffer: pH 10.01 (+-0,02pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 500 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€12.29*
Details
Buffer solution
Buffer solution
Product number: 890689
Size of bottle: 250 ml | pH buffer: pH 9.21 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 250 ml and 500 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.blue colored

€9.29*
Details
Buffer solution
Buffer solution
Product number: 891185
Size of bottle: 1000 ml | pH buffer: pH 4.01 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 250 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€18.29*
Details
Buffer solution
Buffer solution
Product number: 890692
Size of bottle: 70 ml | pH buffer: pH 7.00 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes  green colored

€3.69*
Details
Buffer solution
Buffer solution
Product number: 890693
Size of bottle: 70 ml | pH buffer: pH 9.21 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes blue colored

€3.69*
Details
Buffer solution
Buffer solution
Product number: 890766
Size of bottle: 500 ml | pH buffer: pH 4.01 (+-0,01pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 500 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€12.29*
Details
Buffer solution
Buffer solution
Product number: 890690
Size of bottle: 250 ml | pH buffer: pH 10.01 (+-0,02pH @25°C) |
High quality pH buffer solution for calibration of your pH electrodes Our 250 ml bottle is characterized by a special hygienic closure, which protects the pH buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.yellow colored

€9.29*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890713
ORP Buffer: 650 mV (±5mV @25°C) | Size of bottle: 70 ml |
High quality ORP buffer solution for calibration of your ORP electrodes

€6.39*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890775
ORP Buffer: 475 mV (±5mV @25°C) | Size of bottle: 500 ml |
High quality ORP buffer solution for calibration of your ORP electrodes Our 500 ml bottle is characterized by a special hygienic closure, which protects the ORP buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€20.99*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890774
ORP Buffer: 200 mV (±5mV @25°C) | Size of bottle: 500 ml |
High quality ORP buffer solution for calibration of your ORP electrodes Our 500 ml bottle is characterized by a special hygienic closure, which protects the ORP buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€20.99*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890704
ORP Buffer: 475 mV (±5mV @25°C) | Size of bottle: 250 ml |
High quality ORP buffer solution for calibration of your ORP electrodesOur 250 ml and 500 ml bottle is characterized by a special hygienic closure, which protects the ORP buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€16.99*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890711
ORP Buffer: 200 mV (±5mV @25°C) | Size of bottle: 70 ml |
High quality ORP buffer solution for calibration of your ORP electrodes

€6.39*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890712
ORP Buffer: 475 mV (±5mV @25°C) | Size of bottle: 70 ml |
High quality ORP buffer solution for calibration of your ORP electrodes

€6.39*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890705
ORP Buffer: 650 mV (±5mV @25°C) | Size of bottle: 250 ml |
High quality ORP buffer solution for calibration of your ORP electrodesOur 250 ml and 500 ml bottle is characterized by a special hygienic closure, which protects the ORP buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€16.99*
Details
Buffer solution ORP
Buffer solution ORP
Product number: 890776
ORP Buffer: 650 mV (±5mV @25°C) | Size of bottle: 500 ml |
High quality ORP buffer solution for calibration of your ORP electrodes Our 500 ml bottle is characterized by a special hygienic closure, which protects the ORP buffer solution from contamination. To provide the required buffer, simply squeeze the bottle together and enough buffer solution is delivered to the upper part of the bottle to perform a calibration.

€20.99*
Details
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