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Measurement of temperature with thermistor with power supply and 2 meters (C.R.) Manufacturer,Supplier and Exporter in India

Product Code : SCL-EELE-12253

Indian Lab Suppliers supplies the Measurement of temperature with thermistor with power supply and 2 meters (C.R.) (Product ID: 12253) as part of its electronics engineering lab equipment range. It is a board for building a thermistor thermometer: an NTC thermistor probe and a meter are calibrated against a thermometer and then used to measure temperature.

Quick Answer

A 1 kΩ NTC thermistor probe is placed in the electrically heated oven alongside a glass thermometer, and the meter reading is recorded at each temperature to calibrate the scale. The calibrated probe is then used to measure the temperature of a hot object. A 12 V DC, 50 mA IC-regulated supply feeds the measuring circuit built from a potentiometer and three fixed resistors, and the oven runs from a 20 V AC, 1.2 A winding. Readings are on a DC microammeter with 500 µA and 1 mA ranges. The method refers to a mercury thermometer, so please confirm the thermometer type at quotation; handle glass thermometers carefully, and let the oven cool before touching it.

Key Specifications

Parameter	Detail
Sensor	NTC thermistor, 1 kΩ, as a probe
Heating	Electrically heated oven, 20 V AC at 1.2 A
Supply	12 V DC at 50 mA, IC regulated, internal
Meter	DC microammeter, 65 mm dial, 500 µA / 1 mA
Components	Potentiometer, three fixed resistors
Reference	Glass thermometer
Mains	230 V ±10%, 50 Hz AC; ON/OFF switch, fuse, jewel light