Post Office Box-Plug Type (Constantan and Manganin Coil)
Product Code : EL-LE-11983
Eduscope India is a leading Post Office Box-Plug Type (Constantan and Manganin Coil)
Quick Answer: The Post Office Box-Plug Type is a precision Wheatstone-bridge resistance-measuring instrument in a wood box, available in 3-Ratio and 4-Ratio configurations with Constantan or Manganin coils.
As a scientific lab equipment manufacturer resource for precision resistance measurement, resistance between 0.1 and 1,111,000 ohms can be accurately measured using a DC battery, and it pairs naturally with EduScope India's Meter Bridge / Wheatstone Bridge for laboratories wanting a companion bridge instrument.
Same 16 coils; proportional arms 1, 10, 100, 1000 Ω
Measurable range
0.1 Ω to 1,111,000 Ω
Constantan coil accuracy
±0.1% (12mm x 14mm brass block)
Manganin coil accuracy
±0.05% (12mm x 14mm brass block)
Enclosure
Superior quality wood box
EduScope India's laboratory and educational equipment exports also reach institutions across Oceania / the Pacific Islands, with markets including Fiji, Papua New Guinea and Vanuatu, as part of its broader international supply network.
EduScope India supplies precision resistance-measuring instruments such as this Post Office Box alongside its wider laboratory equipment ranges to school chains, bulk institutional buyers and CSR-funded education programs across India.