ELECTRIC CIRCUIT MODELS
Simple circuit models on plastic base of 70 x 50 mm size and has 4 mm plug connection.
in set
EME Laboratory Range
Electricity & Electronics
Electricity and electronics catalogue products with the specifications, descriptions and images presented as supplied in the catalogue sheets.
9pieces
in set
202/EL ACCUMULATOR
These cells are made in strong polypropylene container. Pasted positive plates are constructed from pure lead alloy and filled with active materials. Pasted negative plates are of pure lead alloy filled with active materials and special expanders. Separators are micro porous polyvinylchloride to separate the positive and negative plates, thereby preventing internal short circuits.
Capacities: 2 volts 45 AH; 2 volts 60 AH; 2 volts 75 AH; 2 volts 90 AH.
204/ED CELL: DANIELL
Complete in copper vessel with terminal and a perforated shelf near the top to carry copper sulphate crystals, with porous pot and zinc rod, fitted with terminal.
DANIELL CELL - SPARE PARTS: Copper vessel; Porous pot; Zinc rod with terminal.
205/ED LECLANCHE CELL
2 pint size, complete with charged porous pot with screw terminal, zinc rod with wire connector, glass jar, standard quality.
LECLANCHE CELL - SPARE PARTS: Charged porous pot; Glass jar; Zinc rod with terminal.
206/ED CELL: SIMPLE
Complete with glass jar, copper and zinc plates with terminals and top rest.
SIMPLE CELL - SPARE PARTS: Glass jar size 15 x 10 cm dia approx.; Copper plate 125 x 50 mm; Zinc plate 125 x 50 mm.
208/GE CLIPS : CROCODILE
With serrated jaws, spring loaded, plastic top.
209/EL COMMUTATOR: KNIFE SWITCH FORM
Consisting of double pole, double throw, changeover switch on bakelite base approx. 100 x 15 mm; with extra base of Size 48 x 114 mm, having 3 terminals.
210/EL COMMUTATOR : RHUMKORFF'S
Mounted on base.
211/ED ELECTRIC BELL
Large demonstration model; actually working, and also explaining construction, open type on wooden stand.
212/NE ELECTRIC FIELD APPARATUS
Allows electric field pattern to be shown in much the same way that magnetic fields are demonstrated with iron filings. Comprises a clear plastic dish, a pair of 4 mm socket terminals / electrode holders and 6 electrodes.
213/ED GOLD LEAF ELECTROSCOPE
An aluminium rectangular case has a clear glass sliding front and ground glass back. A brass wire has a gold leaf attached to the lower end and a brass disc at the top. This wire is fitted to the top of the aluminium case through an insulating bush. The apparatus has aluminium or wood base. A notched scale is provided against which the gold leaf moves. Earthing socket is provided on the side of the case.
215/DI HOLDER : BULB
Made of plastic. Suitable for screw type MES bulbs.
216/DI HOLDER : CELL
For single, 2, 3 or 4 cells of R-20 size. Holder of plastic with terminals and tappings after each cell.
217/EL KEY : CONTACT TYPE
With strip, contact points and two terminals, on base.
218/EL KEY : PLUG TYPE
On bakelite base, brass plugs and brass blocks with tapered holes. Contact resistance less than 1 milli ohm. No. of ways: a) 1, b) 2, c) 3, d) 4.
221/DI LAMP (BULB) : ELECTRIC
Miniature:
a) 2.4 V.
b) 3.8 V.
224/EL METER BRIDGES
One meter long, non-warping, stackable, polished wood board. Base has a meter scale graduated in mm's and cm's. A constantan wire stretches along the scale and is soldered to heavy plated brass end plates. A plated brass strip runs along the other length of the polished base. Large plated brass terminals are fitted on the brass strip. Complete with pencil jockey. This is a two gap system for normal Wheatstone bridge work.
Electricity & Electronics — Page 3
Individual catalogue product images from the supplied page. No full-page screenshot is embedded.
Electricity & Electronics — Page 4
Catalogue data and individual product images supplied for Page 4.
233/EL SWITCH : LEVER
On base, with terminals. No. of ways 1, 2, 3.
234/EL SWITCH : REVERSING
The key has laminated phosphor-bronze brushes, ensuring good rubbing contact. Bakelite handle fitted with brass contacts on spring loaded pivot, on bakelite base with contact plates.
236/EL TERMINALS - Bakelite
With knurled head and nut.
237/GA TERMINAL BLOCK
Plastic with embedded screw holders and screws.
238/GA TERMINALS: clip type
Clip type with plastic shank.
239/DI TORCH : ELECTRIC
One, two, three cells, type best focussing.
240/ED VAN DE GRAFF GENERATOR
With 220 V, 50 Hz. motor on heavy base with flexible rubber belt arrangement, removable, polished aluminium metal sphere of 165 mm dia. at the top; spherical discharge of 75 mm dia. mounted on an insulating rod fitted at the end to take a 4 mm plug. Gives a spark length of 70 mm approximately. The main metal dome has a socket on top in which different accessories can be attached. One spare belt supplied. Complete with 3 core P.V.C. covered mains cable for connection to mains supply.A) MotorisedB) Hand driven
241/OM AMMETERS
1. AMMETER SINGLE0 - 1, 1.5, 2, 3, 5 or 10 amp. Rectifier type with current transformer:2. MILLI AMMETERS0-1 to 1000 mA3. MICRO AMMETERS0 - 25, 0-50, 0-100, 0-250, 0-500 micro ampere
242/OM GALVANOMETER
A 35-0-35 Range, moving coil type for DC use sensitivity- 15 micro amp /DI V. Approx
243/OM GALVANOMETER DOUBLE
RANGE : 500 - 0 - 500 Microamps
244/OM VOLTMETER
1. VOLTMETER SINGLE0 - 1, 1.5, 2, 3, 5 or 10 amp. Rectifier type with current transformer.2. MILLI VOLTMETERS0 to 10, 0-25, 0-60, 0-100 mV
266/ME ELECTROMAGNETIC APPARATUS
Product data entered manually from the supplied catalogue page.
267/ME ELECTRICAL COIL / WIRE
Product data entered manually from the supplied catalogue page.
268/ME ELECTRICAL ACCESSORIES
Product data entered manually from the supplied catalogue page.
269/ME BATTERY ELIMINATOR / POWER SUPPLY
Product data entered manually from the supplied catalogue page.
270/ME BATTERY ELIMINATOR / POWER SUPPLY
Product data entered manually from the supplied catalogue page.
271/ME VARIABLE ELECTRICAL UNIT
Product data entered manually from the supplied catalogue page.
273/ME ELECTRICAL / POWER SUPPLY UNIT
Product data entered manually from the supplied catalogue page.
273/ME ELECTRONIC TRAINER / DEMONSTRATION UNIT
Product data entered manually from the supplied catalogue page.
274/ME ELECTRONIC TRAINER / DEMONSTRATION UNIT
Product data entered manually from the supplied catalogue page.
275/ME ELECTRICAL / ELECTRONIC TRAINER
Product data entered manually from the supplied catalogue page.
276/ME ELECTRICAL DEMONSTRATION UNIT
Product data entered manually from the supplied catalogue page.
277/ME ELECTRICAL UNIT
Product data entered manually from the supplied catalogue page.
278/ME POWER / CAPACITANCE UNIT
Product data entered manually from the supplied catalogue page.
279/ME ELECTRICAL TRAINER UNIT
Product data entered manually from the supplied catalogue page.
280/ME RESISTANCE / ELECTRICAL UNIT
Product data entered manually from the supplied catalogue page.
271/IN OSCILLOSCOPE : 10MHz, SINGLE TRACE
FEATURES
- DC to 10MHz Bandwidth
- 5mV/Div sensitivity
- 100ms/div to 100ns/div Time Base
- X Y Operation
- Auto or Normal Trigger Selection
- Triggering upto 15MHz
- 8 x 10 cm Display
- Trace Rotation
- 140mm Rectangular Internal Graticule CRT
- Space Saver
- 1.5KV Mono Acceleration
SPECIFICATIONS
VERTICAL DEFLECTION (Y)
Deflection Coefficient : 5mV to 20V/Div in 12 calibrated attenuator positions with 5mV/div, 10mV/div & 20mV/div as basic ranges & 4 multipliers x1, x10, x100 & x1000.
Accuracy : 5%.
Bandwidth : DC 10MHz (-3dB), dc coupled. 10Hz to 10MHz (-3dB), ac coupled.
Rise Time : 35ns or less.
Input Impedance : 1M ohms & 40pF approx.
Maximum Input Voltage : 400 Volts (dc + peak ac).
TIME BASE
Sweep Speed : 6 Calibrated steps 100ms/Div to 1/Div.
Accuracy : 5%.
Variable : (10:1 approx). Uncalibrated continuously variable control between steps. Extends fastest sweep speed to 100ns/Div.
TRIGGER SYSTEM
Trigger Mode : Automatic (>50Hz) or Normal with level control.
Source : Internal or External.
Trigger Sensitivity :
Internal : Auto 1 div - 30Hz to 15MHz. Normal 1 div 10MHz.
External : Auto 1V p-p - 30Hz to 15MHz. Normal 1V p-p 10Hz to 15MHz.
X Y MODE
Deflection Coefficient : 1V/Div
Accuracy : ±5%
Bandwidth : 10Hz - 1MHz (-3dB).
Input Impedance : 1M ohms & 40pF approx.
GENERAL INFORMATION
Trace Rotation : Right side control allows +5° of trace adjustment.
Power Requirement : 115V / 230V AC ±10%, 47/65Hz, 30VA (max.).
Dimensions : 270(H) x 150(W) x 395(D)mm.
Weight : 6 Kgs.
Accessories : Instruction Manual, 1 input BNC Lead. Optional : High impedance switch probe with x 1 or x 10 attenuation.
272/IN OSCILLOSCOPE : 20MHz DUAL TRACE
FEATURES
- DC- 20 Mhz Bandwidth
- 1mV/Div sensitivity on Both Channels
- Ch1, Ch2 (Independent Channels), Ch1 INVT, ADD and SUBTRACT
- X-Y Operation
- 40ns/Div to 0.2s/Div Time Base
- 140mm Rectangular CRT with Internal Graticule
- Triggering to 40MHz
- Z Modulation (TTL Level)
- 8 x 10 cm Display
- TV Triggering Frame (V) & Line (H)
- Line Trigger
- Component Tester
SPECIFICATIONS
VERTICAL DEFLECTION
Deflection Coefficient (CH1 & CH2) : 1mV/Div to 20V/Div, 5mV/Div to 20V/Div in 12 calibrated steps in 1-2-5 sequence. x5 magnification increases sensitivity to 1mV/Div and 2mV/Div (LED indication).
Accuracy : ±3%.
Bandwidth : DC-20MHz (-3dB), dc coupled. 10Hz-20MHz (-3dB), ac coupled. DC-28MHz (-6dB).
Rise Time : 17.5ns or less.
Display Modes : Ch1, Ch2, Ch1 & Ch2, Alternate or Chop mode & X-Y, CH1-Y, CH2-X, Algebraic ADD and SUBTRACT with CH2-INVT.
Input Impedance : 1M ohms & 25pF (approx.)
Maximum Input Voltage : 500 Volts (dc + peak ac).
Internal Trigger Signal : Ch1 or Ch2.
TIME BASE
Sweep Speed : 18 calibrated steps. 0.5µs/Div to 0.2s/Div in 1, 2 & 5 sequence.
Sweep Magnifier : x5 Magnification extends the sweep speed to 100ns/Div. x5 Magnification indication with LED.
Accuracy : ±3%
Variable : Uncalibrated continuously variable control between steps, extends fastest sweep speed to 40ns/Div (approx). (Uncal LED indication).
TRIGGER SYSTEM
Triggering Mode : Automatic or Normal with Level Control.
Source : CH1 / CH2 / LINE / EXT.
Slope : Positive or Negative
Coupling : ac / dc / HF reject or TV Frame / TV Line.
Trigger Sensitivity : Internal AUTO 0.5 div 30Hz-20MHz, NORM 0.5 div 3Hz-20MHz, External AUTO 0.8 p-p 30Hz-20MHz. (TYPICAL 40MHz)
HORIZONTAL DEFLECTION
Deflection Coefficient : Same as CH2.
Bandwidth : DC 2.5 MHz (-3dB). Phase shift <3 deg. At 60KHz.
Input Impedance : 1M ohms and 25pF (approx.)
COMPONENT TESTER
Component Tester allows V-I characteristics of 2 Device Under Test (D.U.T.).
Test Voltage : 8.6V r.m.s.
Test Frequency : 50Hz or 60Hz (MAINS).
GENERAL INFORMATION
Cathode Ray Tube : 140mm Rectangular screen, Internal Graticule, 8 x 10 cm, P43 phosphor.
Accelerating potential : 2KV.
Trace Rotation : Front Panel control, allows +5° of trace adjustment.
Z Modulation : TTL level.
Calibrator : Provides 0.2V 1%, 1KHz (approx.) Squarewave output for probe compensation.
Power Requirement : 230V AC 10%, 47-65Hz, 40VA or 115V AC 10% (on request).
Dimensions : 165 (H) x 320 (W) x 420 (D) mm approx.
Weight : 8.0 Kgs. Approx.
Accessories : Manual with Circuit 1 No. Diagrams - BNC Crocodile Cable - 1 No. Component Tester Lead - 1 No. Optional : High impedance switch probe with x 1 or x 10 Attenuation, trolley.
Environmental Specifications :
Normal : 10 deg C - 40 deg C RH 85%
Operational : 0 deg C to 50 deg C RH 85%
273/IN OSCILLOSCOPE PROBE
Oscilloscope Input Capacity : 14-45 pF
Attenuation : 1:1, 10:1
A) Bandwidth : 60 Mhz
B) Bandwidth : 100 Mhz
C) Bandwidth : 250 Mhz
275/NE SIGNAL GENERATOR OR FUNCTION GENERATOR: (SINE, SQUARE, TRIANGULAR)
| Sr.no | Frequency | Readout | Output |
|---|---|---|---|
| A. | 0.1 Hz to 1 MHz | 31/2 digit LCD display | 20 Volt peak to peak |
| B. | 1 Hz to 100 KHz | 31/2 digit LCD display | 10 Volt peak to peak |
| C. | 1 Hz to 100 KHz | Dial Indicator | 10 Volt peak to peak |
| D. | 1 Hz to 100 KHz | Dial Indicator | 10 Volt peak to peak |
276/NE TRANSFORMER: STEP DOWN
This device enables the study of Transformer and its properties such as Open Circuit Test, Test under Load. Also,
you can connect 220V ac and output can be taken as 12V/ 50VA
277/NE TRANSFORMER : DEMOUNTABLE
Comprises one primary 220V a.c. / 50 Hz, two secondary 6V / 2A and 12V / 2A interchangeable bobbins or coils.
One "U" core, one "I" core with screw and a fly nut.
278/NE VARIABLE POWER SUPPLY: EXTRA HIGH TENSION (EHT)
Output variable from 1000 to 5KV d.c. At 50mA, 6.3 V a.c. + 2A, separate earthing terminal (ground) terminal. Analog voltage readout with high insulation transformer fitted in a powder coated metal cabinet.
279/NE VARIABLE POWER SUPPLY: HIGH VOLTAGE
Suitable for operation of electronic valves, oil drop apparatus etc. Analog voltage and current readout, robust transformer and highly stabilized circuitry.
a) 0 to 300 V d.c. at 10 mA, Bias voltage, + 0 to 25V d.c. and filament voltage 6.3V a.c.
b) 0 to 300 V d.c. at 30 mA, Bias voltage, + 0 to 25V d.c. and filament voltage 6.3V a.c.
280/NE VARIABLE POWER SUPPLY : LOW TENSION (LT) (A.C. / D.C.)
output voltage
No load : 25V d.c. and 22V a.c.
At 8 amp. : 17V d.c. and 20V a.c.
281/NE VARIABLE POWER SUPPLY : LOW TENSION (LT) DUAL
Sophisticated circuitry with robust transformer fitted in a powder coated metal cabinet. Analog volt and current readout.
A] Output ± 0 to 15V d.c., current 2A max
B] Output ± 0 to 30V d.c., current 2A max
285/SA DECADE CAPACITANCE BOX
Custom made - specification as required.
291/SA DECADE RESISTANCE BOX : Type 3
Custom made - specification as required.
286/SA DECADE INDUCTANCE BOX Type 1
Custom made - specification as required.
292/SA FUNCTION GENERATOR
Custom made - specification as required.
287/SA DECADE INDUCTANCE BOX Type 2
Custom made - specification as required.
293/SA FUNCTION GENERATOR AMPLIFIER
Custom made - specification as required.
289/SA DECADE RESISTANCE BOX Type 1
Custom made - specification as required.
295/SA POWER SUPPLY : Type 1
Custom made - specification as required.
290/SA DECADE RESISTANCE BOX Type 2
Custom made - specification as required.
296/SA POWER SUPPLY : Type 2
Custom made - specification as required.
