Measurement of temperature co-efficient of resistance with power supply and 2 dual range meters (C.R.) Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12240
Indian Lab Suppliers supplies the Measurement of temperature co-efficient of resistance with power supply and 2 dual range meters (C.R.) (Product ID: 12240) as part of its electronics engineering lab equipment range. It is a board for measuring how resistance changes with temperature, using a positive (PTC) and a negative (NTC) temperature-coefficient thermistor.
Quick Answer
Each thermistor is placed in the electrically heated oven and its resistance is found from voltage and current readings at a series of temperatures, giving a rising curve for the PTC device and a falling curve for the NTC device. A continuously variable 0–20 V DC, 100 mA regulated supply feeds the circuit, and readings come from a DC voltmeter (2 V and 20 V) and a DC ammeter (5 mA and 50 mA) on 65 mm dials. The oven has a clamp for a thermometer; please confirm at quotation whether the thermometer itself is supplied. The oven gets hot, so let it cool before handling the thermistors.
Key Specifications
| Parameter | Detail |
|---|---|
| Thermistors | One NTC and one PTC, with leads |
| Heating | Electrically heated oven with thermometer clamp |
| Supply | 0–20 V DC at 100 mA, continuously variable, regulated |
| DC voltmeter | 65 mm dial, 2 V / 20 V |
| DC ammeter | 65 mm dial, 5 mA / 50 mA |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch, fuse, jewel light |
Where This Is Used
Used in physics and electrical practicals on material properties and sensors. Related: Measurement of temperature with thermistor with power supply and 2 meters (C.R.) (Product ID: 12253) and Study of temperature ON-OFF Controller with Thermistor with power supply (C.R.) (Product ID: 12256). Browse the full Electronics Engineering Lab Equipment range or related Physics Lab Equipment products.
Frequently Asked Questions
Which coefficients are measured?
Positive (PTC thermistor) and negative (NTC thermistor).
How is the thermistor heated?
In the built-in electric oven.
Is a thermometer included?
A clamp is fitted; please confirm the thermometer at quotation.
Related Categories
Electronics Engineering Lab Equipment · Physics Lab Equipment · Electronics Lab Equipment
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