Charging and Discharging of a Condenser Manufacturer,Supplier and Exporter in India
Product Code : EL-AET-1469
Jlab Export is a leading Charging and Discharging of a Condenser Manufacturer,and suppliers in India
Charging and Discharging of a Condenser (code EL-AET-1469) is an analog electronics training board for studying how a condenser (capacitor) charges and discharges, plotting voltage and current against time and finding the time constant from each graph. A continuously variable 0–20 V regulated DC supply, three SPDT switches and four electrolytic condensers are built into the board. JLab — Jain Laboratory Instruments Pvt Ltd — makes it at its works in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Charging experiments | Voltage across the condenser against time, and charging current against time, with the time constant found from each graph |
| Discharging experiments | Voltage across the condenser against time, and discharge current against time, with the time constant found from each graph |
| DC power supply | 0–20 V DC at 25 mA, continuously variable, regulated |
| Switches | Three SPDT switches |
| Condensers | Four electrolytic condensers |
| Other components | Adequate number of other electronic components |
| Switch, protection and indicator | Mains ON/OFF switch, fuse and jewel light |
| Mains supply | 230 V ±10%, 50 Hz AC |
| Patch cords | Adequate number, stackable from the rear at both ends, 4 mm spring-loaded plugs, ½ metre long |
| Terminals | Terminals and sockets on the panel for connections and observation of waveforms |
| Operating instructions | Detailed, with the object, theory, design procedures, report suggestions and book references |
| Other apparatus required | Digital stop clock; digital DC voltmeter, 3½ digit, dual range 2 V / 20 V; digital DC current meter, 3½ digit, 20 mA range |
| Quality check | Each board is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 10 units |
| Dispatch time | Usually 7–10 working days |
| Product code | EL-AET-1469 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
How Does It Compare with the Other JLab Condenser Apparatus?
| Model | Experiments | Supply and switching | Meters |
|---|---|---|---|
| This board (EL-AET-1469) | Voltage and current against time while charging and discharging; time constant from each graph | 0–20 V DC at 25 mA, variable, regulated; three SPDT switches; four electrolytic condensers | External digital voltmeter and current meter, with a digital stop clock |
| Charging and Discharging of Condenser (microammeter bench model) | RC time constant, using various sets of resistances and capacitors | DC supply with a selector switch for different voltages; supplied with a set of resistors and capacitors | One microammeter |
Choose this board when students should plot all four curves — charging voltage, charging current, discharge voltage and discharge current — from a continuously variable regulated supply, reading them on digital meters against a stop clock. The microammeter bench model works from a switched DC supply with its own set of resistors and capacitors.
What Is the Condenser Charging Board Used For?
When a condenser is connected to a DC supply through a resistance, its voltage rises along an exponential curve while the charging current falls away; when it is discharged through a resistance, the voltage and current both decay exponentially. The rate of both processes is set by the time constant, the product of resistance and capacitance. Timing the readings with a stop clock and plotting them lets students see the exponential shape for themselves and read the time constant from each of the four graphs — a core practical on capacitors and RC circuits in physics and basic electronics courses at diploma and BSc level.
What to Specify When Ordering
- Model — this board or the microammeter bench model compared above.
- Number of boards for the laboratory.
- Any stop clocks, meters or companion trainers to be quoted on the same enquiry.
Frequently Asked Questions
What is the time constant of an RC circuit?
It is the product of the resistance and the capacitance, measured in seconds when R is in ohms and C in farads. In one time constant a charging condenser completes nearly two-thirds of its rise in voltage, and a discharging one loses nearly two-thirds of its voltage, so the value can be read straight from the graphs.
How are the charging current and voltage related?
At the instant of switching on, the condenser has no charge, so the current is at its maximum and the voltage across the condenser is zero. As charge builds up the voltage rises and the current falls, both following exponential curves with the same time constant.
Why are electrolytic condensers used?
Electrolytic condensers give a large capacitance in a small size, which makes the time constant long enough to follow with a stop clock. They are polarised, so their positive and negative terminals must be connected the correct way round.
What other apparatus is needed?
A digital stop clock, a 3½-digit digital DC voltmeter and a 3½-digit digital DC current meter. JLab’s Digital Stop Clock, linked below, is a separate item that can be quoted on the same enquiry.
What information is needed for an export quotation?
The number of boards, the destination country and port or city, delivery terms such as FOB or CIF, packing or labelling requirements, and any tender reference.
Who manufactures this condenser board?
Jain Laboratory Instruments Pvt Ltd (JLab) manufactures it in Ambala, Haryana, India.
OEM Manufacturer
JLab is the trading name of Jain Laboratory Instruments Pvt Ltd, an Indian manufacturer of physics apparatus and electronics trainers, incorporated in 2017 and based on Hargolal Road, Ambala, Haryana. The board is produced at JLab’s own works and not obtained from a trader, so colleges, institutes, dealers and importers buy it direct from the maker, each board is visually inspected before dispatch, and repeat orders and spares are handled by the same works. JLab exports worldwide and ships to buyers in every region — for example Portugal in Southern Europe, Armenia in Eastern Europe, Tunisia in North Africa, Uzbekistan in Central Asia and Colombia in South America. Tender details are on the JLab lab tenders page.
Related Instruments and Capacitance Trainers
- Digital Stop Clock — a quartz-controlled bench stop clock with a 3½-digit seven-segment display and a stop-mode-only reset.
- De Sauty Bridge — compares two capacitances on a four-arm AC bridge with decade dials and a headphone null detector.
- Measurement of Inductance and Capacitance — measures unknown capacitors and inductors selected by band switch, with its own oscillator and speaker null detector.
Browse the Analog Electronics Trainer range or all Electronics Lab Equipments.
Request a Quote
Request a quotation with the Add To Cart enquiry button or through the contact page, with the number of boards, the delivery destination and anything else you would like included.
Last updated: 22 October 2026
