China Wholesale Hall Effect Manufacturers – LEEM-4 Apparatus of Measuring Liquid Conductivity – Labor
China Wholesale Hall Effect Manufacturers – LEEM-4 Apparatus of Measuring Liquid Conductivity – Labor Detail:
Functions
1. Understand and demonstrate the working principle of the mutual inductive liquid conductivity sensor; acquire the relationship between the sensor output voltage and liquid conductivity; and understand the important physical concepts and laws such as Faraday’s law of electromagnetic induction, Ohm’s law and the principle of the transformer.
2. Calibrate the mutual-inductive liquid conductivity sensor with precise standard resistors.
3. Measure the conductivity of the saturated saline solution at room temperature.
4. Acquire the relationship curve between the conductivity and temperature of the salt water solution (optional).
Specifications
| Description | Specifications |
| Experiment power supply | AC sine wave, 1.700 ~ 1.900 V, continuously adjustable, frequency 2500 Hz |
| Digital AC voltmeter | range 0 -1.999 V, resolution 0.001 V |
| Sensor | mutual inductance consisting of two inductive coils wound on two high permeability iron-based alloy rings |
| Precision standard resistance | 0.1 Ω and 0.9 Ω, each 9 pcs, accuracy 0.01% |
| Power consumption | < 50 W |
Parts List
| Item | Qty |
| Main electric unit | 1 |
| Sensor assembly | 1 set |
| 1000 mL measuring cup | 1 |
| Connection wires | 8 |
| Power cord | 1 |
| Instruction manual | 1 (Electronic version) |
Product detail pictures:
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