Made in China
Post Office Box Plug Type Suppliers in China
The 4-Ratio P.O. Box has sixteen coils as above and two proportional arms each with coils of 1, 10, 100, 1000, ohms.
Resistance between 0.1 and 1111000 ohms can be accurately measured using a DC battery.
Two spring keys having good contact for battery and galvanometer is also provided.
The whole system is contained in a superior quality wood box.
The 3-Ratio P.O. Box has sixteen non-inductively would coils 1, 2, 2, 5, 10, 20, 20, 50, 100, 200, 200, 500, 1000, 2000, 2000, 5000 ohms and two proportional arms each with coils of 10, 100, 1000, ohms.
Also incorporates infinity gap.
Available in 3-Ratio and 4-Ratio.
P.O.Box 3-Ratio and 4-Ratio (Manganin coil) consists of 12mm & 14mm thick rectangular brass block and have accuracy ±0.05%.
P.O.Box 3-Ratio and 4-Ratio (Constantan coil) consists of 12mm & 14mm thick rectangular brass block and have accuracy ±0.1%.
As leading post office box plug type suppliers in china manufacturers, suppliers & exporters in China, Engineering Lab China combines factory-direct pricing, strict quality control and reliable worldwide shipping. Every Post Office Box Plug Type Suppliers in China is built in-house in Guangzhou City to deliver dependable performance for engineering training and teaching environments.
We manufacture every Post Office Box Plug Type Suppliers in China at our own facility in Guangzhou, China. No middlemen — you get factory pricing on Engineering Laboratory Trainer Kits, Training Charts and Educational Equipment.
Every Post Office Box Plug Type Suppliers in China passes a strict outward quality check before dispatch, so it stands up to daily use in Industrial Training Institutions, Engineering Colleges & Polytechnics.
From a single trainer kit to a full lab tender, our team manages packaging and prompt international delivery so your Post Office Box Plug Type Suppliers in China arrives on schedule, anywhere in the world.
EngineeringLabChina is a leading post office box plug type suppliers in china manufacturers, post office box plug type suppliers in china suppliers & exporters in China. Whether you need a single unit for a lab refresh or a complete tender for a polytechnic, we handle Engineering, Procurement, Installation and Commissioning under one roof.
We accept Wire or Telegraphic Transfer / Letter of Credit. Shipping is based on consignment size — contact us with your requirement for an accurate quote.
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Our team replies with factory pricing, lead time and shipping options within 24 hours.
We manufacture in Guangzhou, run a quality check and prepare export-ready packaging.
Consignment dispatched by your preferred mode — sea, air or courier — to your door.
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