Supply, Testing and Installation of Laboratory Items in the Department of Physics

Scintillation counter Stand rod: 47 cm, 12 mm diameter, Leyboid multiclamp, High-voltage power supply 1.5 kV, sensor-CASSY-2, MCA box, CASSY lab 2, mixed nuclide preparation, α, β, ϒ, Socket for scintillator shielding, Scintillation counter, Detector output stage, Universal clamp 0-80 mm Make: LEYBOLD/LAMBDA

Febry-Perot Interferometer (i) Optical rail: length=1000mm, Material: black anodized aluminum alloy (ii) Fabri-Perot Interferometer: Material: N-BK7, diameter: 25mm, spacing of plates:2-8 mm variable, least count micrometer: 0.01 mm (iii) Kinematic laser mount: Material: black anodized aluminum alloy, adjustments: using 80 tpi lead screws, adjustment range: +/- 4 degrees (iv) Plano convex lens with mount supply: Material: N-BK7, diameter: 20mm, effective focal length: 26mm (v) Diffuser screen with measurement unit: material: float, size:150×138×3 mm (vi) Diode with laser power supply (Red): wavelength: 650nm, optical power: 5mW Make: Lambda scientific/ MICRON OPTICS

Stabilizer for laboratory purpose 5 kVA single phase,220 V±3%, Input-150-250 V, Automatic voltage regulation

UPS for laboratory Supply, installation, testing and commissioning of 6 KWA ( Input 3Phase / output 3 Phase) Floor Mount Type, Compact & modulat design, Conforming to IEC EN 62040 (All Parts), ISO 9001 certified, True On-Line, double conversion, IGBT on the input and output with multiple digital signal processor controlled for Rectifier/ charger, Battery, 2 Level IGBT Inverter, Static Switch, with parallel redundent, compatible with 0.7 lagging to 0.7 leading PF loads without deration, power factor >0.8, THDi< 3-5%, Input voltage 380-415V, Output voltage 415V, 50Hz frequency, efficiency >95%, 0-40 deg C, with inbuilt overload, short circuit, Input low voltage, output over voltage, battery over charging, battery over discharging protections, Parallel kit, 30 min battery back-up with 12 V Maintenance Free Sealed Lead Acid batteries alongwith Powder Coated M.S. Rack with unidirectional wheels for housing the Batteries alongwith all accessories including interconnecting cables, lugs, Base Frames, Battery Rack & Battery Circuit breaker complete as required.

Function Generator (i) 1Hz-10 MHz sine (ii) Sine, square, triangle, ramp, pulse and TTL outputs (iii) 20 Vpp output and DC offset (iv) 40MHz frequency counter (v) Rise time and fall time < = 50ns (vi) 20×4 character LCD (vii) TTL output (viii) 50 a,,: output impedance (ix) Various types of modulations (x) 20 dB/40 dB (fixed) and 20 dB variable attenuation Make: Scientific/ SES Instruments/NVIS

GM counter 1. Geiger counting system: Type, GC601A or GC 6021 2. End window G.M. tube (Halogen quenched) in cylindrical PVC enclose, GM 120 3. G.M. detector (end window) stand 4. Radioactive source Kit-1, (containing oneBeta and one Gamma source ) SK210 5. Aluminium absorber set (AA270) 6. Copper and lead absorber sets (CL271) 7. Cs-137/Ba-137m isotope generator or Indium foil and Neutron Howitzer (for generating short lived isotope). Make: Nucleonix/MARS/SES

Stefan’s Constant Apparatus Setup 1. Continuously variable, overload and short circuit protected DC regulated power supply of 0-12 V. 2. Voltmeter and current meter are mounted on the front panel to measure the voltage and current. 3. One bulb holder with bulb (12 V) is mounted on the front panel. Make: MARS/NVIS/SES/OSAW

Zener Diode Characteristics Apparatus Setup Zener diode characterises apparatus (kit form) Make: Mars; Osaw; SES

PN junction diode characteristics semi-conductor diode characteristics (kit form) Make: MARS/NVIS/SES/OSAW

Plank’s Constant Determination Using LED Setup LED trainer (Kit) Make: Mars; Osaw; SES

e/m by Thomson’s method (1). Cathode ray tube (CRT) is mounted on wooden stand (2). Power supply, fitted with a digital voltmeter (DVM) to measure the deflecting voltage (3). Bar magnets (Permanent) one pair (4). Compass box one set (5).Wooden stand having two arms, fitted with scales to measure the distance on the poies of the magnets. The stand can accommodate cathode ray tube in its middle. (6). Another wooden stand is also provided to place the compass box in the centre. This wooden stand also be mounted in the middle of the armed sand. Make: MARS/NVIS/SES/OSAW

Four Probe to measure band-gap of semi-conductor material 1. Four probe set-up 2. Four probe arrangement 3. Oven 4. Thermometer 5. Sample: Ge Crystal Make: MARS/NVIS/SES/OSAW

Poisson’s ratio Poisson apparatus; Bruettte 25 ml; plastic funnel; Hanger 100g + 9 x 100g slotted weights (set) Make: MARS/NVIS/SES/OSAW/Indosaw