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CAT NO: DIDACTICNLE-Export-064015
Emissivity Measurement Apparatus.
Emissivity Measurement Apparatus
Owing to our expertise and domain knowledge, we have been able to offer Emissivity Measurement Apparatus
at an industry leading price. This apparatus is precisely manufactured
under the supervision of expert professionals using best quality raw
material. Appreciated for easy installation, simple functionality and
hassle-free operation, this apparatus is hugely demanded by the clients.
Description:
The
present Set-up is designed to measure the emissivity of test plate. The
test plate comprises of a mica heater sandwiched between two circular
plates.
Black plate is identical with test plate, but its surface is blackened.
As
all the physical properties, dimension and temperature are equal heat
losses from both plates will be same except radiation loss.
Hence the input difference will be due to difference in emissivity.
Both plates are supported on individual brackets in a enclosure with one side glass to ensure steady atmospheric conditions.
Temperature Sensors are provided to measure the temperature of each plate and surrounding.
Electric
Supply is given to heaters through separate variacs so that
temperatures of both can be kept equal and is me asured with Digital
Voltmeter and Digital Ammeter.
Experimentation:
Determination of the Emissivity of a test plate.
Study the variation of emissivity of test plate with absolute temperature.
Utilities required:
Electricity Supply : 1 Phase, 220 V AC, 4 Amp.
Table for set-up support.
Technical Specifications:
Test plate Diameter: 160 mm (approx.)
Black Plate Dia: 160 mm (Approx.)
Heater (2Nos.): Nichrome Wire Heater. (One each for test plate & black plate)
Digital Voltmeter: 0-300 Volt
Digital Ammeter: 0-2 Amps
DPDT Selector switches: For Digital Voltmeter & Digital Ammeter
Variacs; 0- 230 V, 2 Amp, (2 Nos.)(One each for test plate and black plate)
Digital Temp. Indicator: 0-3000C, with multi-channel Switch
Temperature Sensors: RTD PT-100 type
Instruction Manual: An english instruction manual will be provided along with the Apparatus
Details:
Cabinet to accommodate the slab assembly with front window of glass/acrylic
The whole set-up is mounted on a powder coated base plate
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