Designed for quick and accurate work, resistor values shown on thick bakelite sheet and read by a pointer, each dial consistas of 10 steps, superior quality switches are used to ensure low contact resistance, moving contacts aremade from phosphorous bronze lamination to ensure long life, fitted on spray painted box accuracy + 1 %
Range Total Resistance in Ohms a 0.1 to 1 2 b 0.1 to 5 11 c 0.1 to 10 21 d 0.1 to 50 111 e 0.1 to 100 211 f 0.1 to 500 1111 g 1 to 10 20 h 1 to 50 110 i 1 to 100 210 j 1 to 500 1110 k 1 to 1000 2110 l 1 to 5000 11110 m 1 to 10000 21110
Decade Resistance Box are precision instruments intended for general laboratory use, R&D and educational purposes. These are used as a multiplier, shunt, substitution resistor, or as an arm for AC or DC bridges. Specifications Metal Film Resistor Accuracy 1% Power Rating 1Wat Maximum Working Voltage 500 Volts.
Our company is engaged in manufacturing and supplying finely designed Resistance Box. The Resistance Box offered by us is a housed-in box that is fitted with sturdy brass knobs. The finest grade teak wood is used to construct this Resistance Box. Also, this efficiently performing and long lasting Resistance Box that comes with a 4 mm socket terminal. Clients can avail precisely manufactured Resistance Box from us in specifications exactly as per their requirements at competitive prices. Features: - Accuracy +- 1%
Microwave glassware Features: 1) expansion coefficient:: (3.7f+ 0.1) x oc 2) thermal shock resistance: 120oc 3) superior performance in anti-acid, anti-alkali and anti Hydraulicity 4) high hardness, anti-friction 5) do not contain any poisonous substances to human body 6) high performance of thermal shock resistance 7) no water absorption 8)material:borosilicate Gift box
Experimental Training Board has been designed specifically to study the behavior of the Reactive Elements and Time Dependent Network Analysis. Practical experience on this board carries great educative value for Science and Engineering Students. Object: 01. To study Charging & Discharging of a Condenser. 02. To Calibrate D.C. meter for A.C. voltage measurements. 03. To construct the vector (phasor) diagram for series L-R circuit and to calculate the power factor and "Q" at 50 Hz. 04. To study series LCR resonance circuit and its "Q". 05. To study series L-C resonance circuit and from it to find out the true value of "L". 06. To study series C-R circuit. 07. To study different types of filters. 08. To study the parallel R-C resonance circuit. 09. To study the parallel L-C resonance circuit and to find its "Q". 10. To verify circuit laws. 11. To find out the impedance and reactance of LCR reactive elements and to plot their reactance curves. 12. To plot "LISSAGOUS" figures. Features: The board consists of the following built-in parts: 01. Mains Transformer having secondary tappings of 10V, 20V, 30V, 40V, 50VA.C. at 500mA. 02. D.C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 10V, 20V, 30V, 40V and 50V. 03. Four Rectifier diodes. 04. SPDT switch. 05. Potentiometer and adequate no. of other electronic components. 06. Mains ON/OFF switch, Fuse and Jewel light. * The unit is operative on 230V ±10% at 50Hz A.C. Mains. * Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. * Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections & observation of waveforms. * Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.