NTL Folder 16-seiter ENG INT (Page 1)

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NTL Folder 16-seiter ENG INT (Page 1)

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physics

physik

mit leidenschaft

with a passion

Received the NTL

main catalogue yet?

visit us at:

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- NO? - Just order it free of charge.


experience physics with NTL

Demonstrating a magnetic

field is now very easy

and “clean”.

Both with permanent magnets ...

Shake the plate ...

new

simple – fast – safe

P3413-1P Magnetic field plate “compact”

For showing the shape of magnetic field lines

around a permanent magnetic; suitable for overhead

projector; iron filings in a viscose medium, sealed

air-tight in an acrylic cell

Dimensions: 155x90x10 mm

Special features:

● No loose iron filings, ensuring

a “clean” experiment

● Saves a great deal of time

● Extremely durable, very well suited

for experiments by students

... place it on the metal

plates (pole plates) and tap

a little – finished.

Detecting the three-dimensional distribution

in space of a bar magnet’s field

Ordering information for additional materials:

2x P3410-1K bar magnets

50x10 mm, AlNiCo

2x P3911-1L pole plates SE,

60x25 mm

P3411-1D Magnetic field sensor – Demo

For detecting the spatial distribution of magnetic

fields; strong neodymium bar magnet (L=36 mm, Ø=24 mm)

mounted on gimbals, with support

P3410-2C Magnetic field sensor – SE

Small ferrite bar magnet (L=19 mm) mounted

on gimbals, with support

2 All prices excl. VAT, subject to change, errors excepted.


the world of experiments

… and electrical conductors

P3413-1L Magnetic field –

conductor models, set of 3

For demonstrating the magnetic field

surrounding conductors of various shapes

that are carrying a current; suitable for

overhead projector; iron filings in a viscose

medium, sealed air-tight in an acrylic cell;

3 conductors in the form of a straight wire,

loop and coil embedded in a temperatureresistant

nylon profile; sockets for

connecting 4-mm lab or safety plugs

Dimensions of the projection

surface: 106x106 mm

new

Special features:

● No loose iron filings

meaning

a “clean”

experiment

● Saves a great deal of

time

When the conductor models

are powered using a suitable

power supply (see below),

excellent results, suitable to be

displayed by overhead

projector, are obtained.

P3130-4D High-power transformer, 1-12 V AC/DC, “SE”

Output voltage: 1 … 12 V AC or DC

in 1-V increments, min. 6 A

Voltage supply: 230 V AC/50 …60 Hz

Special features:

● Maximum load of over 20 A for 5 seconds for

performing magnet experiments requiring high power

● Smoothed, electronically stabilized DC voltage,

thus also suitable for all electronics experiments

● AC and DC: electronic overload protection

(no melting fuse on the output side)

● Complete fault management

● High current does not flow through voltage selection

switch, resulting in long working life

P3120-1B

Rechargeable

battery, “inno”,

6V/10 Ah

6 V DC output

voltage; when doing

high-current experiments (short-circuit current >30 A), the

output circuit can be closed for a maximum of 3 seconds

using a push button; LED display indicating operating status

Special features:

● Magnetically adhesive

● Suitable for brief high power requirements

(up to 60 A)

● Easy to charge, “P3121-1L battery charger” may

be used to provide lasting charge

For additional technical details, please refer to main catalogue

p. 266 or „www.ntl.at“

All prices excl. VAT, subject to change, errors excepted.

3


experience physics with NTL

Let the sparks fly

ADE525-3B Van de Graaff generator II

Used for generating very high DC voltages in electrostatics experiments;

Diameter of removable conducting sphere: 280 mm

Voltage supply: 230 V AC/50 …60 Hz

Dimensions: 380x230x700 mm; weight: approx. 4.5 kg

Supplied accessories:

Conducting sphere on support, dia. = approx. 100 mm, support (L) = approx. 300 mm

Paper brush, pointed wheel, replacement belt, replacement drive belt

Special features:

● Spark length of up to 150 mm

(even under high humidity)

● Conductor sphere with insulated

handle included

● May be optionally powered

manually or by motor

● Accessories and replacement

materials included

new

new

Great value

DE720-1G MBI tubular fluorescent lamp demo

For demonstrating electrostatic charges as well as

their polarity; when a friction rod is brought

close to the lamp, one of the two electrodes lights

up briefly. The size of the lamp as well as the dark

background enable the flash to be clearly seen even

at a distance.

Simple clamp mounted on an NTL inno magnetic

module (MBI) with two 4-mm safety jacks

Fluorescent lamp: ignition voltage approx. 90 V

Dia=15 mm, L=approx. 80 mm

ADE523-1A

Wimshurst machine

Electrical influence

machine for

generating very high

DC voltages;

spark length:

max. 70 mm;

voltage:

max. 160 kV

Disc diameter:

300 mm

Dimensions:

350x200x390 mm

4 All prices excl. VAT, subject to change, errors excepted.


the world of experiments

Oscillator display on TV or on the wall

DE710-2O Video memory

oscilloscope “inno”

Two-channel, magnetically mounting digital memory

oscilloscope;

input voltage: 12 V DC (5.5 mm hollow plug),

Dimensions: approx. 260x230x70 mm;

weight: approx. 1.9 kg

Recommended power supplies:

P3130-1P Mains transformer 12V DC/2A

For additional technical details, please refer to

main catalogue p. 279 or “www.ntl.at”

Special features:

● Compact size, flat, magnetically mounted – ideal

for demonstrations at the magnetic board

● TFT colour screen

● May be directly connected to beamer or TV

without converter

● No microprocessors, no software, no updates,

no version problems, ready to use

● Simple to operate, yet with all normal links and

trigger options available



4-mm safety jacks (no BNC adapter necessary)

CH2 is a difference input (for performing

demonstrations of bridge rectifier, transistor in

emitter circuit or thyristor controller directly without

an external difference amplifier)

● Genuine two-channel digital memory for up to

25 seconds per image

● Genuine X/Y mode

DW340-2M Measuring microphone

Measuring microphone for qualitative and quantitative measurement of

local audio events; measurements displayed by an AC voltmeter, an

oscilloscope (e.g. DE710-2O) or “inno” frequency counter DE722-1F

Case dimensions: approx. 160x120x45 mm

Microphone dimensions: 500x7 mm; weight: approx. 380 g

For additional technical details, please refer to main catalogue p. 189

or “www.ntl.at”

Half-wave rectification – display

using data projector

Displaying and recording the sound of a pitch fork

All prices excl. VAT, subject to change, errors excepted.

5


experience physics with NTL

The demo measuring instrument with a durable remote-control

mechanism

DE710-00 Universal multimeter “inno”, analogue

Durable remote-control measuring instrument;

arc length of scale: approx. 200 mm, digits 26 mm tall

Measuring ranges:

DC voltage from 1 mV, 1 to 30 V

1 to 30 V AC

100 µA to 10 A AC and DC amperage

3 double insertable scales included

Ranges: 1/3/10/30/100/300

Input voltage: 6 V DC (5.5 mm hollow plug)

For additional technical details, please refer to

main catalogue p. 270 or”www.ntl.at”

Special features:

● Compact size, flat, magnetically mounted – ideal

for demonstrations at the magnetic board

● Extremely durable thanks to remote-control

mechanism, displays reading quickly, no

overswing, no problems with electrostatics,

equally as accurate in horizontal or

vertical position

● Extremely accurate, typically 1.5%

● Easily readable labels in plain lettering for

measure type and range

● Battery-powered, including automatic shutdown

● See illustrations below for further features

DE710-1P Insertable scales

transparent, set of 6

Ranges: 0 … 1 / 3 / 10 / 30 / 100 / 300

- 1mV upper value range for

measuring thermal voltage or induction

without a preamplifier!

- Zero at midpoint may be selected by

switch

- with transparent

scales suitable for

overhead projection

DE710-2S Insertable

double scale, zero at midpoint

Scale ranges: -5 … +5 / -15 … +15

6 All prices excl. VAT, subject to change, errors excepted.


the world of experiments

The student measurement instrument with automatic fuse

P3210-1P Multimeter, analogue

Automatic fuse;

moving-coil instrument with automatic

overload protection

Arc scale length approx. 90 mm

AC/DC voltage ranges: 1 mV,

100 mV ... 30 V

AC/DC current ranges:

100 µA ... 3 A and 10 A

Dimensions: ca.120x160x50 mm

Special features:

● Electronic overload protection with

indicator light (no more melting

fuses)


Large, easy-to-read mirrored scale

with clear labelling

● Extremely accurate, typically 1.5%

● Minimum power consumption –

need not be shut down





Original size

Durable selection switch

10 A range with separate input jack

All measuring ranges (even for low

current!) available in AC

Exceptional frequency response

(typically -1.5 db at 20 kHz)

allowing direct measurement of

all kinds of resonant circuits

new

- 1mV upper value range for

measuring thermal voltage

or induction without

a preamplifier!

- Zero at midpoint may

be selected by switch

Received the NTL

main catalogue yet?

- NO? - Just order it

free of charge.

All prices excl. VAT, subject to change, errors excepted.

7


experience physics with NTL

A universal dynamometer with jumbo-sized scale ...

new

DM133-1T Tension and pressure dynamometer 10N “inno”

Durable tension and pressure gauge with large, round scale;

mounted on magnets or on support;

scale dia=200 mm; measuring range: 2 x 10 N; digit size: 16 mm;

manual zero-point setting; with durable rods for suspending cords

or fastening a pressure plate, pressure wedge or pulley

(supplied as accessories);

plastic case with transparent cover;

white scale with red pointer

Neodymium magnets on

the back for mounting

magnetically;

thread for screwing in

supports (included)

when mounting on

tripod

Special features:

● Tension and pressure gauge

in one instrument

● Mounted on magnets or

on support

● Large, very clear

scale

● Very good value

for the price

● Accessories such as

pressure plate and wedge

and pulley included

Detail: precise transfer of force by

means of metal gear

Determining

density of

solid bodies

DM205-1MA Kit: Static mechanics 1 “inno” –

forces and simple machines

Set of basic devices for mechanics on magnetic board;

consisting of magnetic bases, two-pan balance, suspended

weights, coil springs, pulleys etc.

Please refer to main catalogue p. 86, DM205-1M (but without

torsion dynamometer), for detailed listing

DM205-2M Kit: Static mechanics 2 “inno” – supplement

Set of supplementary devices for mechanics on magnet board;

consisting of wheel and axle and gears,

plate for centre of gravity testing and plumb line,

static, sliding and rolling friction board, stability block etc.

Please refer to main catalogue p. 87 for detailed listing

8 All prices excl. VAT, subject to change, errors excepted.


... for very special applications

the world of experiments

new

The

wheelbarrow

– a one-sided

lever

DM223-1S

Wheelbarrow –

model

For realistic demonstration

of lever laws, in particular the law of one-sided levers;

schematic illustration of a wheelbarrow, including surfaces (pressure surfaces)

for a pressure dynamometer or weights;

for use in magnet board mechanics in combination with tension and pressure

dynamometers (e.g. DM133-1T) and weight sets (e.g. DM120-1D)

Metal tube structure, grey coating, with handle; total length: approx. 550 mm

For a complete wheelbarrow, a wheel is required:

DM210-15 Belt pulley, dia=150 mm, green

A suitable wheel is also included with the

static mechanics 2 equipment set (DM205-2M)

Analysing

forces

on a crane

arm

new

A hydraulic

system –

pressure and

compressed

surface

Holder for “inno” syringe

For magnetic mounting of the glass syringe (C6100-1A or -1B) on metal

boards, in particular for mechanics experiments on the magnet board ;

acrylic construction with plastic clamping screw; neodymium magnets on

the bottom; dimensions: 160x50 mm

C6100-5F Holder for syringe, 50 ml, “inno”

C6100-5H Holder for syringe, 100 ml, “inno”

Suitable glass syringes and

matching hose:

C6100-1A Syringe,

50 ml, glass

C6100-1B Syringe

100 ml, glass

C7445-7S Silicon hose

7/9 mm, L=100 cm

Statics –

pressure

forces on a

bridge

All prices excl. VAT, subject to change, errors excepted.

9


experience physics with NTL

One device for everything – one that is

simple – fast – safe

ADM722-1N Newtonmeter “inno” 20N/2000g

Demonstration instrument with magnetic holder for measuring force (in Newtons)

or mass (in grams) – an optimum instrument for mechanics experiments,

especially on a magnet board.

Measuring rang “N”: +/- 20 N; resolution: 0.001 N

Measuring range “g”: +/- 2000 g; resolution: 0.1 g

Zero compensation (tare): manual, by means of adjustment knob;

precision: < 0.5 %

For additional technical details, please refer to

main catalogue pp. 62 and 72 or “www.ntl.at”

Special features:

● Tension and pressure gauge in one instrument

● Extremely durable sensor with only very slight shifting of the zero-point when tilted

● Precise, 4-digit display 1mN … 20 N or 0.1g … 2000g

(without switching ranges!)

● Very large measurement range, yet minimum displacement

● LED display clearly visible at a distance (H=26 mm)

● Display may be switched between N and g

Surface tension

Block and tackle

Downward force on incline

Static and sliding friction

10 All prices excl. VAT, subject to change, errors excepted.


Aerodynamics in experiments

the world of experiments

Aerodynamic paradoxes

Air flow resistance of car models

DM719-1A Aerodynamics equipment set

Complete aerodynamics equipment set for experiments. These 18 experiments,

described in detail in the experiment manual, may be set up either on a tripod or,

in some cases, on a magnet board. The air flow generator contained in

the set features a 10-mm support rod that allows it to be mounted in

existing support stands without additional effort.

When used in combination with “inno” newtonmeter DM722-1N (refer to the

previous page for a description; not included), results of

experiments can be analyzed very precisely.

Please refer to p. 153 of the main catalogue for detailed lists of set

contents and pp. 152 to 161 for experiments.

Special features:

● Complete equipment set including air stream generator in a

well-ordered storage box

● Realistic measurement of air flow resistance of various bodies,

car models and house roofs

● Demonstration of aerodynamic paradoxes (s. catalogue p. 154)

● Very good value for the price

● May be used at both upper and lower secondary levels

Pressure within an air stream – Venturi tube

Flow lines around a model aerofoil

All prices excl. VAT, subject to change, errors excepted.

11


experience physics with NTL

The special feature of these devices:

simple – fast – safe

DM550-1M Magdeburg hemispheres, pair

For demonstrating the effect of atmospheric pressure

(historic experiment by Guericke);

two metal hemispheres, dia=100 mm, with insertable rods;

precise, smoothly polished contact surfaces; pressure and

bleeding valve; vacuum hose with metal fitting

DM500-3A Vacuum hand pump

with pressure gauge

Mechanical air pump with pressure gauge, for

removing air from small volumes, built-in air

bleed valve

Suction capacity: 35 ml per stroke

Ultimate vacuum: 120 hPa

Dimensions: approx. 250x200x52 mm

DM750-5S Ball collision assembly

For demonstrating conservation of

momentum and energy in a closed

system; 5 steel balls

dia=22 mm, bifilar suspension from two

metal brackets, mounted on base

Dimensions: 180x120x180 mm (LxBxH)

DM340-1F

Falling body apparatus

Demo

Consisting of:

a) ball holder with mechanical release; may be used for demonstrating

“free fall” and the “principle of independence”; two special 4 mm jacks for

connecting to timer DM341-1T or P3120-2Z; with support rod

b) Collector unit with contact plate, stops timing when the ball hits the plate;

container dia=80 mm, with support

c) 3/4” steel balls (19 mm), set of 2 (DM340-2S)

DM465-1K Communicating

vessels and watering pot

For demonstrating the principle of

communicating vessels as well as how a

watering pot works; glass vessel with

two attachment tubes of different shapes

(dia=12 mm)

Dimensions: approx. 310x100x180 mm

DM341-1T Timer

for falling body apparatus

Easy-to-operate timer that measures

in milliseconds the time between

start and stop;

26-mm LED display,

battery-powered

12 All prices excl. VAT, subject to change, errors excepted.


the world of experiments

Put the heat on!

C7414-2A Hotplate, small, 500W

Electric hotplate, dia=93 mm, with variable adjustment of heat and

overheating protection; takes 7 minutes to heat to a boil 100 ml

of water in a beaker

Input voltage: 230 V/50-60Hz

Dimensions: approx. 14x14x7 cm; weight: approx. 0.7 kg

new

C7414-2R Hotplate adapter for round flasks

For gentle, variable heating of 100, 250 and 500 ml round flasks

using electricity; inexpensive alternative to a heating mantle; metal

cylinder, dia=100 mm, with ring inserts for the

various round flasks

DT427-1B High-temperature spirit burner

Safe, simple and powerful spirit and methanol burner with

an innovative design (NO WICK!); a seal in the cover allows

it even to be tilted;

flame temperature approx. 800 °C; supplied without fuel;

max. volume capacity: 100 ml; height: approx. 85 mm

P2110-1A Gas cartridge burner

Bunsen burner for use with pierced gas cartridges or with valve

connectors, includes needle valve and air regulator (supplied

without cartridge); dia. = 114 mm, H = 185 mm

P2110-1C Gas cartridge, pierced

190 g, propane-butane mixture in a safety tank in acc. with the

EN417 standard

P2110-1V Gas cartridge, with valve

210 g, propane-butane mixture in a safety tank in acc. with the

EN417 standard

AP7125-1B

Ceramic thermal

protection mesh

Dimensions: 155x155 mm

All prices excl. VAT, subject to change, errors excepted.

13


“Music transport” by laser beam

experience physics with NTL

DL931-1L Optical fibre, flexible

Round acrylic profile (dia.=3 mm, L=75 mm) with one end permanently attached to

a black screen (50x50); may be inserted in the screen holder of the NTL lab lamp

or a slide and screen holder

DL931-1K Holder for flexible optical fibre

Acrylic rod with through hole; for holding the loose end of

the flexible optical fibre DL931-1L;

L=100 mm, dia.=10 mm

DL100-3L Laser

0.2/1.0 mW,

magnetic

DL203-1S

Colour filter discs,

subtractive, set of 3

For illustrating the principle of

four-colour printing (i.e. printing

presses and colour copying

machines); one of the additive

primary colours appears when

two of the filter discs are overlapped;

three plastic discs coated in the

colours

yellow, magenta (violet),

cyan (blue-green)

Diameter: 195 mm each

new

DL517-1P

Prism,

equilateral, s=50

Dispersion of white light in

demonstration experiments;

High-quality prism made of

optical glass, three sides

polished, refracting edges

Length of sides = 50 mm

Special features:

● Compact, powerful (up to 1mW) semiconductor laser

● Basic operation at 0.2 mW (complying with regulations),

power increased to 1 mW using internal or external

switch

● Output wave length of 635 nm (highly visible and

conserves experiment data for HeNe lasers!)

● Linearly polarized

● May be effectively amplitude-modulated using

signals from conventional CD or MP3 players.

● May only be switched on with key switch, enhances safety

● Built-in battery featuring long working life – no connections

required for basic operating mode

For additional technical details, please refer to

main catalogue p. 462 or “www.ntl.at”

DP130-3M Connecting cable for modulation

DL100-3R Laser

receiver unit, set

Modular equipment set, suitable for a magnetic panel, for receiving and

amplifying laser signals and for acoustically rendering modulated laser

signals

Set consists of:

1x MB220-2F Photodiode, “compact”, magnetic

1x MB270-2V LF amplifier “compact”, magnetic

1x MB240-1L MBC Loudspeaker

2x P3712-1S Jumper plugs, MBC, black

2x P3712-2S Jumper plug with connector terminal, MBC, black

Required power supply:

P3130-1P Mains transformer 12V DC/2A

P3120-5G Assembly platform, large

For mounting devices and instruments

with a magnetic base

Dimensions: 260x230 mm

14 All prices excl. VAT, subject to change, errors excepted.


the world of experiments

Tremendous quality at an affordable price

Measuring the

wavelength of

laser light

DL500-0B Lens “demo”,

f = +20 mm

DL500-2A Lens “demo”,

f = -30 mm

DL408-2I

Michelson

interferometer

Precision device for measuring phenomena

such as light wavelength, index of refraction

etc.; the base plate has a hole for mounting

ground cell DL408-3K in order to measure

the index of refraction of gases;

supplied with hard plastic cover to protect

optical parts

For additional technical details,

please refer to main catalogue p. 476

or “www.ntl.at”

Remote control

DL408-3K Round cell

for interferometer

Apparatus used together with Michelson

interferometer DL408-3I for measuring the

index of refraction of gases.

All prices excl. VAT, subject to change, errors excepted.

15


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