Hoffman Voltameter Manufacturer,Supplier and Exporter in India
Product Code : ILS-PLE-10185
Indian Lab Suppliers supplies the Hoffman Voltameter (Product ID: 10185) as part of its physics lab equipment range. It electrolyses acidified water and collects the hydrogen and oxygen in two graduated limbs so their volumes can be compared.
Quick Answer
The glass unit has two connected side limbs, each with a stopcock at the top, joined to a central reservoir tube with a funnel-shaped bulb, and it is held in a metal stand with mounts. It runs on a 12 V DC supply. Hydrogen collects over the cathode and oxygen over the anode in a volume ratio of about 2:1. Electrodes are sold separately: a pair of carbon electrodes, about 6 mm x 100 mm with brass terminals, or a pair of platinum electrodes fused in glass; both come in rubber stoppers with protection tubes. Platinum gives a closer 2:1 ratio, since oxygen partly reacts with carbon. Hydrogen is flammable, so keep flames away when releasing the gas.
Key Specifications
| Parameter | Detail |
|---|---|
| Glass unit | Two connected limbs with stopcocks, central reservoir with funnel bulb |
| Stand | Metal, with mounts |
| Supply | 12 V DC |
| Carbon electrodes (separate) | Pair, approx. 6 mm x 100 mm, brass terminals, rubber stoppers, protection tubes |
| Platinum electrodes (separate) | Pair, fused in glass, rubber stoppers, protection tubes |
Where This Is Used
Used in electrolysis practicals in physics and chemistry; spare carbon is available as the Electrode Carbon Rod (Product ID: 10207). Browse the full Physics Lab Equipment range or related Electrical and Electronics products.
Frequently Asked Questions
Are electrodes included?
No, carbon or platinum electrodes are supplied separately.
What supply does it need?
12 V DC.
Why is twice as much hydrogen collected?
Each water molecule gives two hydrogen atoms for every oxygen atom.
Related Categories
Physics Lab Equipment · Electrical and Electronics · Chemistry Lab Equipment
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