pH calibration method

メトラー・トレド

pH measurement is generally considered a simple and quick process. However, to achieve accurate precision, proper calibration is necessary. To make the most of your pH measurement equipment, join this free on-demand webinar to learn about measurement accuracy, calibration methods, and detailed procedures. **Related Webinars** - Measurement Errors in pH - Temperature Effects in pH Measurement

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Related product information

Tabletop pH/Electrical Conductivity Meter SevenCompact S213
A high-precision two-channel meter that can measure not only conductivity but also pH simultaneously or individually.

**Features** - Clearly arranged vivid color display for easy viewing - Abundant accessories and data storage options - GLP compliant - Service and support including IQ/OQ **Specifications** pH Display range: -2.000 to 20.000 Resolution: 0.001 / 0.01 / 0.1 Accuracy: ±0.002 mV Display range: -2000.0 to 2000.0 Resolution: 0.1 / 1 Accuracy: ±0.1 mV for -1000 to 1000 mV, ±0.2 mV otherwise Conductivity Display range: 0.001 µS/cm to 1000 mS/cm Resolution: 0.001 to 1 Accuracy: ±0.5%
Portable pH/Conductivity Meter Seven Gold Duo Pro SG78
pH, conductivity, and ion concentration measurement compatible - simultaneous measurement display for 2 channels.

pH Display range: -2.00 to 20.00 Resolution/Accuracy: 0.001 / ±0.002 Conductivity Display range: -0.01 µ/cm to 1000 mS/cm Resolution/Accuracy: 0.001 / ±0.5% Ion Measurement range: 0.000 to 999.9%, 0.000 to 9999 ppm, 1.00E-09 to 9.99E+09 Accuracy: ±0.5% Temperature Measurement range: -5 to 130°C Resolution/Accuracy: 0.1 ±0.2°C Data storage capacity: 500 Dust and water resistance: IP67 Power supply: 4 AA batteries
Tabletop pH Meter SevenExcellence Series
By adding modules, it can be expanded to a maximum of three channels. You can freely combine pH, ions, conductivity, dissolved oxygen, and ORP.

pH Display range: -2.000 to 20.000 Resolution: 0.001/0.01 Accuracy: ±0.002 mV Display range: -2000.0 to 2000.0 Resolution: 0.1/1 Accuracy: ±0.1 Temperature Display range: -30 to 130°C Resolution: 0.1°C Accuracy: ±0.1°C Calibration: Up to 5 points, 8 groups of standard solutions, 20 arbitrary standard solutions Data storage capacity: 20,000 entries External output: RS-232, USB-A, USB-B, LAN
Tabletop pH Meter SevenCompact Series
Efficient daily operations with an easy-to-use pH meter, SevenCompact.

pH Display Range: -2.000 to 20.000 Resolution: 0.001/0.01 Accuracy: ±0.002 mV Display Range: -2000.0 to 2000.0 Resolution: 0.1/1 Accuracy: ±0.2 Temperature Display Range: -30 to 130℃ Resolution: 0.1℃ Accuracy: ±0.1℃ Calibration: Up to 5 points, 8 groups of standard solutions, arbitrary standard solutions Data Storage Capacity: 1000 entries External Output: RS-232, USB-A, USB-B