tender for purchase of equipments for physics and chemisty lab for first year department. , digital balance: load capacity: minimum 500 g readability: 0.01 g linearity: 0.02g display: lcd/led tare function: required top pan type power supply: 220-240 v ac, 50 hz , galvonometer moving coil type, 30-0-30 scale, unbranded with bhel specification-sensitivity 0.143mm/v , voltmeter dc voltmeter; range 0-10 v, analog , ammeter dc (0 - 2 amp) , decade resistance box resistance box 12 month warranty (dial type) -manganin coil- 2 dials , potentiometer apparatus it features a 1-meter to 10-meter constantan/manganin wire stretched on a wooden or sunmica baseboard with a millimeter scale. it includes 4mm brass terminals, a pencil jockey for contact, wire options (10 wires), and a typical resistance range of 10-20 ohms, ideal for high-precision voltage measurements. , deflection magnetometer apparatus deflection magnetometer apparatus with compass box and two short bar magnets , solar cell kit the apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0-5v. light source is provided by led. the illumination intensity of the led can be controlled