Apparatus of Measuring Liquid Conductivity

Experiments :

• Study and demonstration of the operating principle of a mutual inductive liquid conductivity sensor.

Experiments :

• Investigation of the relationship between sensor output voltage and liquid conductivity.

Experiments :

• Understanding fundamental concepts including Faraday’s Law of Electromagnetic Induction, Ohm’s Law, and transformer principles.

Experiments :

• Calibration of the mutual inductive liquid conductivity sensor using precision standard resistors.

Experiments :

• Measurement of the conductivity of saturated saline solution at room temperature.

Experiments :

• Optional study of the relationship between conductivity and temperature of saltwater solutions.

Experimental Power Supply :

• AC sine wave output.
• Voltage Range: 1.700–1.900 V.
• Continuously adjustable.
• Frequency: 2500 Hz.

Digital AC Voltmeter :

• Measuring Range: 0–1.999 V.
• Resolution: 0.001 V.

Conductivity Sensor :

• Mutual inductance type sensor comprising two inductive coils wound on high-permeability iron-alloy cores.

Precision Standard Resistors :

• Resistance Values: 0.1 Ω and 0.9 Ω.
• Quantity: 9 pieces of each value.
• Accuracy: 0.01%.

Power Consumption :

• Less than 50 W.

Designed For :

• Physics Lab Experiments from Atico Exports.