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PN Junction Diode Apparatus - 2 Meter

Product Code : SCL-PLE-11755

Quick Answer: The PN Junction Diode Apparatus – 2 Meter has a built-in regulated DC supply and two meters, a voltmeter and an ammeter, for plotting diode I-V curves in forward and reverse bias. Silicon and germanium diodes are included for comparison.

Last updated: 18 October 2026

Key Features

  • Voltmeter and ammeter read together for each setting.
  • Forward bias ranges 0–3 V and 0–10 mA.
  • Reverse bias ranges 0–30 V and 0–100 µA.
  • Regulated DC supply with fine and coarse voltage control.
  • Silicon (Si) and germanium (Ge) diodes included.
  • Colour-coded 4 mm safety-shrouded binding posts.

Technical Specifications

SpecificationValue
MetersVoltmeter and ammeter
Voltage range, forward0–3 V
Voltage range, reverse0–30 V
Current range, forward0–10 mA
Current range, reverse0–100 µA
Power supplyIntegrated regulated DC, fine and coarse control
Diodes suppliedSilicon and germanium
Terminals4 mm colour-coded safety-shrouded binding posts

How It Is Used

The diode is first connected in forward bias and the voltage raised in small steps with the fine control, recording current to show the knee of the curve. It is then reversed and tested on the 0–30 V and microamp ranges to show the small reverse current. Repeating with the second diode lets students compare silicon and germanium.

Frequently Asked Questions

Which diodes are supplied with the PN Junction Diode Apparatus – 2 Meter?

Silicon (Si) and germanium (Ge) diodes, so their characteristics can be compared.

What are the meter ranges on the PN Junction Diode Apparatus – 2 Meter?

Voltage 0–3 V forward and 0–30 V reverse; current 0–10 mA forward and 0–100 µA reverse.

Related Physics Lab Equipment

See the full physics lab equipment range, or these related semiconductor characteristics apparatus:

The PN Junction Diode Apparatus - 2 Meter is available for export to schools and laboratories in Slovenia, Portugal, Brazil, Saint Vincent and the Grenadines, Mali and Malta.

For a quotation on the PN Junction Diode Apparatus - 2 Meter, contact JLab India on +91-8569909696.

   
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