Is this for the membrane or tank?

I have 3 of these on my RO system. 1 to measure pressure before the membrane, 1 after the membrane and 1 on the tank. They can be used where ever you need to know water pressure. These will have an air bubble visible through the glass, it's normal and relieves pressure in the gauge, so don't be concerned with the air bubble.

Where should this be installed? Input to ro system or output from tank?

TJK... There are varying thoughts on this subject. My research has led me to install the gauge directly after the third stage of my 7 stage "Aquasafe aquarium II". I think as long as you install the gauge after your pre-filters will give you the true reading of the pressure in your unit. The bottom line is how much pressure is going into your RO canister. The RO membrane is the only part of the unit that works more efficiently with pressures above 40 psi. (50-60 psi). I hope this helps. NOTE most manufacturers have tutorials on their web site.

What does this do? Does it tell you if you have a busted bladder in the tank, hence no pressure?

no its to monitor the water presure coming in out of the filters this way you can tell if filters need changing.. as far as the bladder in the tank being busted you really don't need a guage for that if that occurs you would be able to tell because there would be water coming out of the valve that you use to put air in it

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DIGITEN水圧計0-1.6MPa 0-220psi 1/4 "f逆浸透システムポンプ

DIGITEN水圧計0-1.6MPa 0-220psi 1/4 "f逆浸透システムポンプ

Product ID: 761352503

Details

ねじ山のタイプ
1/4" NPT
ブランド
DIGITEN
ユニット数
1 個
商品の個数
1
材質
ステンレス鋼

📏0-1.6MPa / 0-220 PSI pressure range

🔩1/4" NPT quick-connect fitting

🛡️Durable stainless steel gauge

¥4133

Duties & taxes included

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of water pressure woes with DIGITEN precision!

TRUSTED BY PROFESSIONALS - Top 50 gauge in industrial tools with a 4.4-star rating from 800+ users.
QUICK CONNECT CONVENIENCE - Effortless 1/4" PE fitting for fast, secure installation—no hassle, no downtime.
ESSENTIAL RO SYSTEM GUARDIAN - Detect pressure issues early to prevent costly membrane damage and downtime.
ROBUST STAINLESS STEEL BUILD - Engineered for longevity and corrosion resistance in demanding water systems.
PRECISION PRESSURE MONITORING - Keep your RO system running flawlessly with accurate 0-220 PSI readings.

The DIGITEN water pressure gauge offers a precise 0-1.6MPa (0-220 PSI) range with a durable stainless steel 2" dial and quick-connect 1/4" PE fitting. Ideal for reverse osmosis systems, it ensures optimal membrane performance by monitoring inlet pressure, helping prevent common water pressure-related issues. Highly rated and industrial-grade, it’s a must-have for professionals seeking reliability and ease of installation.

Specifications

ASIN	B00VUXD7ZG
Amazon 売れ筋ランキング	産業・研究開発用品 - 8,926位 ( 産業・研究開発用品の売れ筋ランキングを見る ) ゲージ・コンパス - 34位
UPC	713458679703
おすすめ度	4.4 5つ星のうち4.4 (834) var
ネジのタイプ	1/4" NPT
ブランド名	DIGITEN
メーカー名	DIGITEN
メーカー型番	ROCON-24
ユニット数	1 個
商品の入り数	1
素材	ステンレス鋼

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