TOPLAB INDIA’S Microprocessor based Tab pH meter Model pH-ComPass is best choice for any laboratory or field operator/user for advanced pH/mV/Temperature measurement. Calibration is fast, easy and accurate with auto-calibration using built-in Auto buffer – recognition and automatically calculated and displayed electrode slope value, with dual selective Temperature Compensation of ATC & MTC. TOPLAB INDIA’S pH-ComPass Tab pH Meter is a great tool for any laboratory operator and field user, which is one of the most accurate digital pH/mV/°C meters available in the market. pH-ComPass has the function of ATC (Automatic Temperature Compensation) and MTC (Manual Temperature Compensation), and is suitable to measure the pH or temperature value of solutions and the potential (mV) of electrodes. Furthermore, if it is equipped with an appropriate ORP electrode, it also can be used to measure the ORP concentration of solution.

TOPLAB INDIA’S Microprocessor based Tab Conductivity Meter Model EC-ComPass is best choice for any laboratory or field operator/user for advanced EC/TDS/Resistivity/Salinity/Temperature measurement. Calibration is fast, easy and accurate with auto-calibration using built-in Auto buffer – recognition and automatically calculated and displayed electrode slope value, with dual selective Temperature Compensation of ATC & MTC.
TOPLAB INDIA’S EC-ComPass Tab EC Meter is a great tool for any laboratory operator and field user, which is one of the most accurate digital EC/TDS meters available in the market.

TOPLAB INDIA’S Microprocessor based Tab DO Meter Model DO-ComPass is best choice for any laboratory or field operator/user for advanced DO measurement. Calibration is fast, easy and accurate with auto-calibration using built-in Auto buffer – recognition and automatically calculated and displayed electrode slope value, with dual selective Temperature Compensation of ATC & MTC.
TOPLAB INDIA’S DO-ComPass Tab Dissolved Oxygen Meter with polarographic DO probe with replaceable PTFE membrane caps is a great tool for any laboratory operator and field user, which is one of the most accurate digital DO meters available in the market.

TOPLAB INDIA’S Microprocessor based Tab Multi-Parameter Model Multi-ComPass is best choice for any laboratory or field operator/user for advanced pH/ORP/EC/DO/Temperature measurement. Calibration is fast, easy and accurate with auto-calibration using built-in Auto buffer – recognition and automatically calculated and displayed electrode slope value, with dual selective Temperature Compensation of ATC & MTC.
TOPLAB INDIA’S Multi-ComPass Tab Multi-Parameter is a great tool for any laboratory operator and field user, which is one of the most accurate digital pH/ORP/EC/DO meters available in the market.