How to Choose Batteries for Your Gas Meter
I. Common battery types include alkaline batteries, carbon-zinc batteries, and acid batteries.
II. How to Choose the Right Battery for Your Home Gas Meter
The gas meter should use alkaline batteries, symbolized as "LR6". Alkaline batteries have high capacity, long lifespan, and stable discharge. The capacity of alkaline batteries is 4-7 times that of ordinary batteries.
Other battery symbols include R6, R6P, etc. "R6" represents ordinary zinc-carbon or zinc-ammonium chloride batteries. Compared with alkaline batteries, they have lower capacity, shorter lifespan, and are cheaper. They are suitable for low-power devices such as TV remote controls and air conditioner remote controls.
1. Choose batteries with a newer expiration date. Most batteries have the expiration date marked on the bottom. When purchasing, choose batteries with a newer expiration date. For example, the battery casing may state "Expiration date see bottom of battery" or "Expiry date see bottom of battery".
2. Pay attention to choosing batteries with no corrosion on the contacts. Some batteries have corroded or oxidized positive and negative terminals, which can lead to poor contact and increased internal resistance during use. This may cause the gas meter to occasionally lose power and shut off the valve.
III. Precautions for Using Gas Meter Batteries
1. During the use of the gas meter, regularly check the battery status to ensure sufficient power.
2. When not in use for a long time, the batteries should be removed from the gas meter to prevent mold growth and leakage, which can corrode the springs.
3. When the battery power is low, all batteries should be replaced promptly. Avoid mixing new and old batteries, mainly for the following reasons:
(1) New and old batteries have different internal resistances. New batteries have low internal resistance and strong discharge capacity; old batteries have high internal resistance and weak discharge capacity. Mixing them will cause the new batteries to over-discharge, shortening their lifespan.
(2) Old batteries may be nearing the end of their lifespan. Mixing them may accelerate their aging, increasing the risk of leakage or damage, and may even damage the equipment.
(3) In some cases, mixing different types of batteries can lead to overheating, leakage, or even explosion, posing a safety hazard.
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