Electrical Measurement and Power Supplies
9 V Battery Power Supply in Case with Banana Sockets
- 9 V battery power supply for classroom circuit experiments
- Supplied in a protective case format
- Banana sockets support connection to compatible laboratory leads
- Suitable for low-voltage DC circuit demonstrations
- Useful for school electricity, electronics and physics practicals
- Practical for lamps, buzzers, small motors and simple circuit components where compatible
- Compact format supports student bench use
- Helps provide a simple portable power source without a bench power supply
- Confirm battery inclusion, polarity marking and lead compatibility before use
- Use under appropriate teacher or laboratory supervision
Adjustable Constant Current DC Power Supply, 0 to 2 A / 12 V
- Adjustable constant current DC power supply for laboratory and education use
- Output range listed as 0 to 2 A
- Maximum output voltage listed as 12 V DC
- Designed to maintain a preset current through a changing load
- Voltage automatically adjusts to support the selected current
- Useful for solenoid coil heating and resistance change demonstrations
- Suitable for electroplating studies and controlled-current experiments
- 4 mm socket head terminals support clamped wires and standard 4 mm banana plugs
- Suitable for physics, electrical circuits and electrochemistry teaching
- Use under appropriate teacher or laboratory supervision
Constant Current DC Power Supply, 30 mA / 30 V, Digital Meter
- Constant current DC power supply for laboratory and education use
- Designed to hold current constant through the connected load
- Maximum current listed as 30 mA
- Maximum voltage available to maintain current is listed as 30 V DC
- Voltage changes automatically when load resistance changes
- Large digital meter supports output monitoring
- Meter can be switched between mA current and output voltage monitoring
- Suitable for physics, circuits and electrochemistry demonstrations
- Useful where controlled low-current DC output is required
- Use under appropriate teacher or laboratory supervision
DC Amplifier for Franck Hertz Apparatus
- DC amplifier for laboratory and educational use
- Originally designed for old Franck Hertz apparatus LC-80-AP1870-001
- Amplifies very small currents for display on a student bench meter
- Now used as a microamp to milliamp amplifier as listed
- Suitable for general high-gain amplification applications
- Gain listed as close to 1000:1
- Generally converts microamps of current into milliamps
- Input voltage must exceed 0.6 V as listed
- Powered by internal 9 V #216 dry cell
- No on/off switch as listed
- Current is drawn only when used as an amplifier
- Use under appropriate laboratory or educational supervision
DC Smoothing Unit Power Supply, Up to 8 Amp
- DC smoothing unit for laboratory and education use
- Designed for use with unfiltered DC power supply outputs
- Converts compatible unfiltered DC output into smoother DC
- Current capacity listed up to 8 Amp DC
- Uses capacitors and a choke for effective DC filtering
- Useful with power supplies that provide full-wave rectified but unfiltered DC
- Suitable for physics, electronics and circuit demonstrations
- Helps support experiments requiring smoother DC than a basic rectified output
- Confirm power supply output, current rating and circuit suitability before use
- Use under appropriate teacher or laboratory supervision
Digi-Pak Power Supply, 2 to 12 V Switched and 1 to 16 V Regulated DC
- Digi-Pak classroom power supply for laboratory and education use
- Includes switched AC and DC outputs from 2 to 12 V
- Adds regulated smooth DC output from 1 to 16 V DC
- Regulated DC output current listed up to 3 A max
- Smooth DC output is suitable for many electronic experiments
- Red LED digital display monitors the regulated DC output
- Regulated output helps maintain set voltage under changing load conditions
- Useful upgrade from standard school workhorse-style power supplies
- Suitable for physics, electronics and low-voltage circuit practicals
- Use under appropriate teacher or laboratory supervision
Digital AC Ammeter LCD, 0 to 20 A, Auto Power Off
- Digital AC ammeter for classroom current measurement demonstrations
- Measures from 0.00 to 19.99 A AC
- 10 mA resolution supports practical classroom readings
- Powered by a standard 9 V battery for convenient bench use
- Low battery alarm displays before battery replacement is required
- Auto power off after 20 minutes helps protect battery life
- Over-range red LED illuminates if the 20 A AC rating is exceeded
Digital AC Voltmeter LCD, 0 to 200 V, Auto Power Off
- Digital AC voltmeter for classroom voltage measurement demonstrations
- Measures from 0.00 to 199.9 V AC
- 0.1 V resolution supports practical classroom readings
- Powered by a standard 9 V battery for convenient bench use
- Low battery alarm displays before battery replacement is required
- Auto power off after 20 minutes helps protect battery life
- Over-range red LED illuminates if the 200 V AC rating is exceeded
Digital Coulomb Meter, with Collecting Disc for Electric Charge Measurement
- Digital Coulomb meter for laboratory and educational use
- IEC Coulomb Meter as listed
- Behaves like a digital electroscope
- Displays charge digitally instead of using vane deflection
- Plastic housing as listed
- Supplied with collecting disc as listed
- Measures charge deposited into the instrument
- Can be used with current through a resistance
- Can be used with charge from a capacitor
- Can be used with static electricity sources such as a charged plastic rod
- Listed display range references up to 1.999 nC
- Use under appropriate laboratory or educational supervision
Digital DC Ammeters, Auto Power Off
- Digital DC ammeters for classroom current measurement
- Available in 200 µA, 2 A and 20 A DC range options
- Resolution options include 0.1 µA, 1 mA and 10 mA
- Powered by a standard 9 V battery for convenient bench use
- Low battery alarm displays before replacement is required
- Auto power off after 20 minutes helps protect battery life
- Over-range red LED illuminates if the rated DC range is exceeded
Digital DC Voltmeters, Auto Power off
- Digital DC voltmeters for classroom voltage measurement
- Available in 2 V, 20 V and 200 V DC range options
- Resolution options include 1 mV, 10 mV and 100 mV
- 10 MΩ input impedance stated for the voltmeter range
- Powered by a standard 9 V battery for convenient bench use
- Low battery alarm displays before replacement is required
- Auto power off after 20 minutes helps protect battery life
Digital Energy Meter, AC/DC, Low Voltage Circuits
- Digital energy and power meter for laboratory and educational use
- IEC Energy & Power Meter as listed
- Measures joules and watts in low-voltage AC and DC circuits
- Unit is powered from 240 V AC mains as listed
- Measurement circuits must be low voltage
- Current range listed as 0.01 mA to 10 A in supplied data
- Measures voltage up to 20 V DC or 15 V AC
- Handles frequencies from 50 Hz to 1 kHz as listed
- Measures energy up to 999 kJ
- Measures power up to 200 W
- Range selected by button and zero offset adjusted by knob
- Use under appropriate laboratory or educational supervision
Digital LED Student Mini Stroboscope, 1 to 500 Hz
- Mini digital LED stroboscope for classroom motion studies
- Adjustable flash frequency from 1 Hz to 500 Hz
- Digital display selectable in Hz or RPM
- Silent LED flashing supports quieter classroom use
- Bright white LED flash avoids large Xenon-style intensity
- Can be externally triggered or synchronised to 50 Hz mains frequency
- Provision included for a small remote LED flash head
Digital Mini Wave Signal Generator, 0.1 Hz to 100 kHz, 1 A Output
- Compact digital signal generator for classroom waveform experiments
- Provides sine, square, triangle and sawtooth waveforms
- Frequency range is stated as 0.1 Hz to 100 kHz
- Crystal-locked design with accuracy stated at approximately 0.01%
- Adjustable output up to 15 V peak-to-peak or 5 V AC RMS
- Output can supply up to 1 A into the load
- Suitable for resonance, audio and oscilloscope demonstrations
Digital Multimeter, Auto-Ranging, Capacitance & Auto Power Off
- IEC digital multimeter designed for electrical testing, circuit analysis and laboratory use
- Measures AC and DC voltage and current up to 10 A for electrical circuit investigations
- Auto-ranging function automatically selects a suitable measurement range for each function
- Measures resistance up to 200 MΩ and capacitance from nanofarads to 20 µF
- Supports frequency measurement, diode testing and transistor gain (hFE) investigations
- Measures small electrical currents down to 1 µA for sensitive circuit applications
- Large digital LCD with selectable backlight provides clear readings and unit indication
- Automatic power-off function helps conserve the standard 9 V battery during use
- Compact 145 × 75 × 33 mm design includes red and black test leads for electrical testing
Digital Multimeter, Capacitance & Auto Power Off
- IEC digital multimeter designed for electrical testing, circuit analysis and laboratory use
- Measures AC and DC voltage and current up to 20 A for electrical circuit investigations
- Supports small current measurements down to 1 µA for electronic testing applications
- Measures resistance up to 200 MΩ and capacitance up to 20 µF for laboratory testing
- Includes diode testing, audible continuity checking and transistor gain measurement
- Large digital LCD displays measurement values and selected units for convenient reading
- Automatic power-off function helps conserve the standard 9 V battery during operation
- Compact 170 × 85 × 35 mm construction supports portable electrical measurements
- Supplied with red and black test leads for schools, universities and electronics laboratories
Digital Regulator Module, 1.2 to 20 V DC, 1 A
- Digital regulator module for laboratory and education use
- Converts compatible AC or unfiltered DC input into smooth regulated DC output
- Adjustable output listed as 1.2 to 20 V DC
- Output current listed as 1 A
- Suitable for electronic studies and low-voltage DC experiments
- Digital display monitors output voltage
- Input and output via 4 mm sockets
- Useful with compatible 12 V AC/DC classroom power sources
- Helps provide smoother DC for circuits that require regulated supply
- Use under appropriate teacher or laboratory supervision
Digital Xenon Stroboscopes, XE and XEH Models
- Digital Xenon stroboscopes for motion and speed observation
- Frequency range is adjustable from 1.0 Hz to 300 Hz
- Digital display selectable in Hz or RPM
- Large 150 mm diameter reflector provides bright illumination
- Pivoting carry handle can also be used as a tilt support
- Flash can be externally triggered or synchronised with mains frequency
- XEH model supports connection to compatible remote flash accessories
Dual Amplifier for AC, DC and Audio Signal Experiments
- IEC Dual Amplifier for laboratory and educational use
- Provides two independent amplifiers for different purposes
- Wide bandwidth AC amplifier from 10 Hz to 10 MHz
- Wide bandwidth amplifier has fixed gain of 100
- Audio amplifier operates from DC to 10 kHz
- Audio amplifier supports selectable DC or AC operation
- Audio amplifier gain selectable up to 500 in 6 steps
- Gain steps listed as 10, 20, 50, 100, 200 and 500
- Front panel switch selects amplifier operation, with centre OFF position
- LED indicates which amplifier is active
- Powered by common 9 V supply from 6 × AA batteries
- Use under appropriate laboratory or educational supervision
Dual Digital Wave Lab Signal Generator, up to 40 kHz
- Dual digital signal generator for wave theory teaching
- Generates two accurate and stable frequency outputs up to 40 kHz
- Frequencies can be added, phase shifted or modulated
- Selectable sine, triangular and sawtooth waveforms
- Digitally controlled output power for classroom demonstrations
- Can drive suitable large speakers or headphones
- Includes microphone and headphones in the supplied kit
Dual Mode Regulated and Switched Power Supply
- Dual mode power supply for laboratory and education use
- Combines switched AC/DC output and smooth regulated DC output
- Switched section provides AC and DC at 2, 4, 6, 8, 10 and 12 V
- Switched output current listed as 8 A
- Regulated section provides 1.3 to 20 V DC
- Regulated output listed as 5 A, reducing to 2 A at lower voltages
- Smooth regulated DC output supports electronic studies
- Digital meter can monitor regulated output volts or amps
- Automatic overload protection for both operating modes
- Suitable for general laboratory work, electronics and low-voltage physics experiments
Electrode Holder Arm and Base for Lab Sensors
- Electrode holder arm and base for laboratory sensor support
- Suitable for pH, ORP and conductivity sensors
- Helps position electrodes during measurement and calibration work
- Supports stable sensor placement beside meters or sample vessels
- Useful for routine electrochemistry and water testing workflows
- Suitable for teaching, QC, environmental and laboratory testing use
- Material, dimensions and clamp details should be confirmed before upload
Electrophoresis Power Supplies, LCD Touchscreen, 4-Channel Parallel Output Type
- CD touchscreen for simple setup and clear progress tracking
- 4-channel parallel output supports four electrophoresis units at once
- Constant voltage, current, and power modes for flexible operation
- USB data recording and multi-step programming support controlled runs
- Short-circuit and no-load protection improve laboratory safety
Extra High Voltage Power Supply, 0 to 6000 V DC / 3 mA
- Extra high voltage DC power supply for supervised laboratory and education use
- Output listed as 0 to 6000 V DC
- Centre-referenced output listed as 3000 / 0 / 3000 V DC
- Maximum output current limited to 3 mA
- Includes digital meter for output monitoring
- Low voltage outputs listed as 2 × 6.3 V AC at 4 A
- 6.3 V AC outputs are normally used for electron tube heater applications
- Suitable for spectrum tubes, Teltron tubes and Aepinus capacitor charging
- Designed with poor regulation so voltage falls quickly as current is drawn
- Use only under appropriate teacher or laboratory supervisor control
Fixed PSSC Type Power Supply, 12 V AC Input, 100/200 V DC Output
- Fixed PSSC type power supply for laboratory and education use
- Designed for the Mass of an Electron experiment
- Input listed as 12 V AC, 50/60 Hz
- Provides DC outputs for Magic Eye tube anode/cathode circuits
- Provides 6.3 V AC output for Magic Eye tube heater operation
- Dual outputs allow two experiments to be performed from one power supply
- Power-on LED indicator included
- Input fuse protection listed as 20 × 5 mm, 4 A
- DC outputs include simple resistive short-circuit protection
- Use only under appropriate teacher or laboratory supervisor control
General Purpose Switched AC/DC Power Supplies, 2 to 12 V
- General purpose switched AC/DC power supply range
- Provides selectable 2, 4, 6, 8, 10 and 12 V outputs
- AC and DC output options available from the same unit
- DC output is full-wave rectified but not filtered
- Available in 5 to 6 A, 8 to 10 A and 15 A output options
- Illuminated mains switch located on the front panel
- Automatic overload protection on 5 A and 10 A models
- LED O/L options include red overload indicator LED
- 15 A model includes lever-operated circuit breaker with manual reset
- Suitable for physics, electrical circuits and low-voltage classroom experiments
Hall Effect Kit with Constant Current Supply and Probe
- Hall Effect kit for laboratory and educational use
- IEC Hall Effect kit as listed
- Consists of power unit and Hall probe
- Provides constant current supply for solenoids
- Current remains stable even if load resistance changes due to heating
- Constant current range listed as 0 to 2 A
- Up to 25 V DC available as listed
- Reads magnetic field strength in mT using Hall Effect probe
- Includes two magnetic field ranges, 0 to 10 mT and 0 to 100 mT
- Meter can be switched from output amps to output volts
- Requires compatible Helmholtz coils or air cored solenoid for experiments
- Use under appropriate laboratory or educational supervision
Hand Whirling Stroboscope with Adjustable Slits
- Hand-operated stroboscope for teaching stroboscopy principles
- Uses rotating slits to create rapid on and off visual images
- Helps moving objects appear stationary or slowly moving
- Adjustable slit version provides 1, 2, 3, 4, 6 or 12 slots
- Updated ABS plastic construction replaces older wood and Masonite design
- Compact design supports easier handling in classroom demonstrations
- Suitable for supervised physics and motion study experiments
High Power Signal Generator, 0.1 Hz to 100 kHz
- High power signal generator for physics and electronics teaching
- Frequency range is stated as 0.1 Hz to 100 kHz
- Frequency selection is provided over 6 ranges by graduated knob
- Selectable sine, triangular and square waveform outputs
- 600 Ω output provides 0 to 10 V peak signal
- 20 Ω output provides adjustable 0 to 10 V peak signal
- High current output can drive suitable speakers and mechanical devices
High-Sensitivity Current Amplifier for Electromagnetic Induction
- High sensitivity amplifier for laboratory and educational use
- Converts very small currents into larger readable current
- Designed for Electromagnetic Induction apparatus LC-80-EM1740-001
- Converts microamp current into milliamp readings as listed
- Suitable for use with a normal student meter
- Extremely low input impedance as listed
- Gain adjustable from low up to about 1000:1
- Amplifies at very low input voltages
- Includes zero offset control for improved accuracy
- Includes gain control for amplification adjustment
- Powered by internal 9 V #216 dry cell
- Use under appropriate laboratory or educational supervision
High-Sensitivity Digital Electrometer for Low-Charge Measurement
- Digital electrometer for very small electrical measurements
- IEC digital electrometer as listed
- Measures small quantities of voltage, current and charge
- Voltage ranges listed up to 2000 mV
- Current ranges listed up to 2000 nA
- Charge range listed up to 2000 nC
- Very high impedance as listed
- Useful for electrostatic charge measurements
- Suitable for capacitor charging and insulation current experiments
- Supports demonstrations with electrostatic rods and Aepinus capacitors
- Do not connect to mains or high-energy circuits
- Use under appropriate laboratory or educational supervision
In-Line Mini DC Ammeter, ±3 A Digital Current Meter
- In-line mini digital ammeter for DC current measurement
- Measurement range is stated as ±3 A
- Auto-switching display resolution supports low and higher current readings
- Supplied with alligator clip leads for direct circuit connection
- Polarity indicator shows plus or minus current direction
- Auto power off helps conserve the CR1220 lithium battery
- Compact 53 × 21 × 15 mm body for classroom circuit work
didn't see what you are looking for ?
Digital Electrical Meters and Laboratory Electrical Instruments are designed for classroom physics, electrical science, and laboratory measurement applications where students and educators need clear, repeatable measurement of voltage, current, charge, frequency, timing, signal behaviour, and related circuit parameters. This category includes digital AC ammeters and voltmeters, AC/DC multimeters, coulomb meters, joule energy meters, electrometers, power supplies, amplifiers, signal generators, oscillators, timers, counters, and supporting electrode holders.
Digital meters provide direct numerical readings that help reduce reading ambiguity compared with analogue scales, making them suitable for structured experiments, demonstrations, and student practical work. Instruments such as ammeters and voltmeters support current and voltage measurement, coulomb meters assist with charge investigations, joule meters support energy and power studies, and signal generators or oscillators help demonstrate waveform, frequency, and AC behaviour. These instruments are suitable for education laboratories, physics classrooms, university teaching labs, and general electrical training environments.
For quality and compliance reference, IEC 61010-1 is a valid and current international standard for safety requirements covering electrical equipment used for measurement, control, and laboratory use. IEC 61326-1:2020 is also current and relevant for electromagnetic compatibility requirements for electrical equipment used in measurement, control, laboratory, professional, industrial, and educational environments. IEC 61187:1993 remains listed by IEC and applies to technical documentation supplied with electrical and electronic measuring equipment for laboratories, testing, and servicing. These standards should be referenced only where supported by the manufacturer’s current compliance documentation, test reports, or technical data sheets.
For LabChoice Australia customers, Digital Electrical Meters and Laboratory Electrical Instruments provide practical teaching and measurement solutions for circuit experiments, energy studies, electromagnetism, waveform demonstrations, charge measurement, and low-voltage laboratory investigations. Their classroom-focused design supports reliable demonstrations, clearer measurements, and structured learning across school, university, and technical education settings.































