NTL Folder 16-seiter ENG INT (Page 1)

special offers 

physics 

physik 

mit leidenschaft 

with a passion 

Received the NTL 

main catalogue yet? 

visit us at: 

www.ntl.at 

- 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 


● 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 


● 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 


● 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


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 


● 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 



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” 


● 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 


5


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) 


main catalogue p. 270 or”www.ntl.at” 


● 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 



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 


● 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. 


7


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 


● 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 


... for very special applications 


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 


9


One device for everything – one that is 


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 % 


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


● 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 


Aerodynamics in 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. 


● 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 


11


The special feature of these devices: 


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 



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 


13

“Music transport” by laser beam 


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 


● 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 


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 



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. 


15

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NTL Folder 16-seiter ENG INT (Page 1)

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