LABORATORY pH / ION METER CPI-505

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The most important features

• Very high accuracy meter for laboratory use.
• Measures: pH, redox potential, ion concentration in pX, g/l, M/l, or ppm and temperature.
• Backlit display enables observation of the chosen function and temperature.
• Calibration in 1 to 5 points.
• In the pH function, automatic correction of the pH standard value with temperature (NIST standards).
• In the ION measurement function, molar weight and valence of the measured ion are automatically entered after choosing the ion.
• Programming of the parameters is very easy.
• Automatic conversion of units – e.g. M/l to mg/l.
• Memory of 4000 results.
• USB output.
• Meets the GLP requirements.

Detailed description

Characteristic features:

• Highly accurate measurement in each function.
• Easy parameter setting.
• Standardised procedures for pH and ion selective measurement facilitate working.
• “HOLD” function to freeze the result on the display.
• Signalisation of the result stabilisation with the “READY” symbol and a sound.
• Possibility of sending a calibration report to a PC - up to 10 last calibrations.

In the pH measuring function:

• Calibration of the pH electrode: 1 ÷ 5 points.
• Automatic detection of pH buffer values entered by the user.
• When NIST pH standards are used, their stored values are automatically corrected for temperature, so there is no need to heat or cool the solutions.
• Storing calibration parameters of 3 electrodes enables their quick replacement.
• Possibility to view the electrode's characteristics.
• Depending on the electrode used, measurements in pure water, sewage, pastes, etc. are possible.
• Isolated connectors for the pH and ion selective electrodes enable their simultaneous connection and measurements in one vessel.
• Automatic evaluation of the electrode condition.
• Readout of the pH electrode condition and data – the zero offset and slope percentage may be checked.

In the ion selective measuring function:

• Enables ion concentration measurements of monovalent, bivalent, negative and positive ions.
• The measuring range enables work with all available ion selective electrodes (ISE), chosen adequately to the kind of measured ion, equipped with BNC-50 connector.
• The meter has separate BNC connectors for the pH electrode and the ion selective (or redox) electrode, and a banana connector for the reference electrode.
• The meter automatically introduces the molar weight and valence of the chosen ion.
• The user may choose the unit: pX, g/l, M/l, ppm.
• Automatic unit conversion (e.g. mol/l to mg/l).
• Possibility of entering freely chosen values of ion standard solutions.

In the redox (mV) measuring function:

• Precise redox potential measurement (accuracy 0.1 mV).
• Possibility to measure redox potential relatively to the entered or measured reference potential – Vref.
• The mV measurement is possible using the pH or the ISE connector.

Other features:

• Automatic or manual temperature compensation.
• Clock with date.
• Storing of the next calibration date.
• Internal data-logger for up to 4000 sets of results collected singly or in series with temperature, time and date.
• The results and calibration data are stored in non-volatile memory.
• Possibility to connect the meter with a PC by USB output (USB cable and software included in the set).
• Possibility of protecting the date and time against changes by an unauthorised person using a password.
• The data transmission software enables printout of the data in a form protected against any changes.
• Powered with a power adapter.
• The meter meets the GLP requirements.
• IP64 ingress protection.
• 24 months of warranty for the meter.
• Pendrive with software for data transmission and collection and user's manual in English included in the set.