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Multimeter LDanalog 20

Multimeter LDanalog 20

531120

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Description

High overload-capacity measuring instrument with integrated protection against damage due to improper handling, specially designed for student's and practical experiments. The moving coil instrument is protected against damage with two diodes connected in opposing directions. Automatic battery cut-out after approx. 45 min.

Technical data

DC voltage ranges: 0.1 ... 300 V (8 ranges)
AC voltage ranges: 3 ... 300 V (5 ranges)
DC current ranges: 0.1 mA to 3 A (6 ranges)
AC current ranges: 0.1 mA to 3 A (5 ranges)
Internal resistance: 10 MΩ/V (=)/6.67 kΩ/V (~)
Accuracy: class 2/3~
Zero point: left/centre (switchable)
Mirror scale: yes
Batteries (included): 9 V, 6 x F22 (685 45)
Overload capacity/fuses: F 3.15 A/300 V fuses
Dimensions: 10 cm x 14 cm x 3.5 cm
Weight: 270 g

Related Documents

PDF (Instruction Sheet)	[531 120] Multimeter LDanalog 20
PDF (Experiment description)	P1.5.3.2 Forced rotational oscillations - Measuring with a hand-held stopclock
PDF (Experiment description)	P1.5.3.4 Forced harmonic and chaotic rotational oscillations - Recording with CASSY
PDF (Experiment description)	P1.7.3.2 Determining the wavelength of standing sound waves
PDF (Experiment description)	P2.3.4.1 Converting electrical energy into heat energy - Measuring with a voltmeter and an ammeter
PDF (Experiment description)	P2.5.3.2 Determining the adiabatic exponent cp/cV of various gases using the gas elastic resonance apparatus
PDF (Experiment description)	P2.6.2.2 Determining the efficiency of the hot-air engine as a heat engine
PDF (Experiment description)	P2.6.2.3 Determining the efficiency of the hot-air engine as a refrigerator
PDF (Experiment description)	P3.1.2.1 Confirming Coulombs law - Measuring with the torsion balance, Schürholz design
PDF (Experiment description)	P3.1.5.1 Investigating the charge distribution on the surface of electrical conductors
PDF (Experiment description)	P3.1.5.2 Electrostatic induction with the hemispheres after Cavendish
PDF (Experiment description)	P3.1.6.1 Determining the capacitance of a sphere in free space
PDF (Experiment description)	P3.1.6.2 Determining the capacitance of a sphere in front of a metal plate
PDF (Experiment description)	P3.1.7.1 Determining the capacitance of a plate capacitor - Measuring the charge with the electrometer amplifier
PDF (Experiment description)	P3.1.7.2 Parallel and series connection of capacitors - Measuring the charge with the electrometer amplifier
PDF (Experiment description)	P3.1.7.3 Determining the capacitance of a plate capacitor - Measuring the charge with the I-measuring amplifier D
PDF (Experiment description)	P3.1.7.5 Measuring the electric field strength inside a plate capacitor as a function of the dielectrics
PDF (Experiment description)	P3.2.2.1 Verifying Ohms law and measuring specific resistances
PDF (Experiment description)	P3.2.3.1 Measuring current and voltage at resistors connected in parallel and in series
PDF (Description from CASSY Lab)	P3.2.3.1 Measuring current and voltage at resistors connected in parallel and in series
PDF (Experiment description)	P3.4.5.1 Voltage and current transformation with a transformer
PDF (Experiment description)	P3.4.5.2 Voltage transformation with a transformer under load
PDF (Experiment description)	P3.6.6.1 Determining the heating power of an ohmic load in an AC circuit as a function of the applied voltage
PDF (Experiment description)	P3.7.4.1 Directional characteristic and polarization of microwaves in front of a horn antenna
PDF (Experiment description)	P3.7.4.2 Absorption of microwaves
PDF (Experiment description)	P3.7.4.3 Interference of microwaves
PDF (Experiment description)	P3.7.4.5 Refraction of microwaves
PDF (Experiment description)	P3.7.5.1 Guiding of microwaves along a Lecher line
PDF (Experiment description)	P3.7.5.2 Qualitative demonstration of guiding of microwaves along a metal waveguide
PDF (Experiment description)	P4.1.1.1 Determining the internal resistance of a battery
PDF (Experiment description)	P4.1.1.3 Recording the current-voltage characteristics of a solar battery as a function of the irradiance
PDF (Experiment description)	P4.1.3.1 Recording the current-voltage characteristics of diodes
PDF (Experiment description)	P4.1.3.2 Recording the current-voltage characteristics of Zener diodes (Z-diodes)
PDF (Experiment description)	P4.1.3.3 Recording the current-voltage characteristics of light-emitting diodes (LED)
PDF (Experiment description)	P4.1.5.1 Investigating the diode properties of transistor junctions
PDF (Experiment description)	P4.1.5.2 Recording the characteristics of a transistor
PDF (Experiment description)	P4.1.5.3 Recording the characteristics of a field-effect transistor
PDF (Experiment description)	P4.1.6.2 The transistor as a switch
PDF (Experiment description)	P4.1.6.3 The transistor as a sine-wave generator (oscillator)
PDF (Experiment description)	P4.1.6.5 The field-effect transistor as an amplifier
PDF (Experiment description)	P4.1.6.6 The field-effect transistor as a switch
PDF (Experiment description)	P5.8.1.1 Setting up an He-Ne laser
PDF (Experiment description)	P5.8.1.2 Measuring of wavelength, polarization and beam profile
PDF (Experiment description)	P5.8.1.4 Dependence of the output power on the position of the laser tube inside the resonator
PDF (Experiment description)	P5.8.1.5 Stability condition of an optical resonator
PDF (Experiment description)	P6.1.3.1 Determining the specific charge of the electron
PDF (Experiment description)	P6.1.4.3 Determining Plancks constant - Selection of wavelengths using interference filters on the optical bench
PDF (Experiment description)	P6.1.6.1 Observing individual lycopod spores in a Paul trap
PDF (Experiment description)	P6.2.6.3 Resonance absorption of a passive RF oscillator circuit
PDF (Experiment description)	P6.3.1.3 Detecting X-rays using an ionization chamber
PDF (Experiment description)	P6.3.1.4 Determining the ion dose rate of the X-ray tube with molydenum anode
PDF (Experiment description)	P6.5.7.1 Deflection of beta radiation in a magnetic field

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Multimeter LDanalog 20

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