can it be used permanently ? connect it to the main water system of the house to measure regularly?

Yes it can be used permanently attached to a 3/4 hose faucet you dont intend to use , like a washer port or outside type hose faucet valve . I have these attached to the clean out/Flush out on cold water input supply side of a tank less water heater (I just leave the ball valve open instead of having port closed/capped.This allows you to get water pressure reading after water filters and have a diagnostic water pressure gauge if you should have problems with your tank less water heater issues of flow/pressure input.

Where are instructions? What is the significance of the red pointer vs. the black pointer and how long is the testing period?

No instructions. Just connect it to a spigot and turn the spigot on. The black needle will indicate the current pressure. Set the red pointer to where the black pointer is. The red will stay put to let you know if there has been a change in pressure. Example: turn on water, black needle goes to 70 psi. Set the red needle to where the black needle is. Perform any tests (i.e. turn off the water at the main valve from the meter with the spigot still in the on position). Check the gauge. Any movement indicates a leak in the system. The red gauge is your benchmark setting now. I used it to detect leaks in my water system. My meter is about 1/4 mile from the house. My wife could give me readings over the phone while I made adjustments upstream of the house.

Gauage filled with water, is this defective?

Yes. The gauge is not supposed to fill up with water. Mine remained dry after connecting to the line.

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2-1/2インチ圧力計、水圧テストゲージ、3/4インチメスホーススレッド、0-200PSI、レッドポインター付き

2-1/2インチ圧力計、水圧テストゲージ、3/4インチメスホーススレッド、0-200PSI、レッドポインター付き

Product ID: 740103541

Details

ブランド
CARBO
商品の個数
1
商品の重量
5 オンス
商品寸法 (長さx幅x高さ)
9.9 x 6.1 x cm
材質
銅合金真鍮

📏2.5-inch dial for easy reading

🔧3/4-inch female hose thread adapter

🔴Red pointer for precise pressure tracking

€ 53.89

Duties & taxes included

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔴 Precision Pressure, Professional Performance — Never Miss a Beat!

DUAL SCALE PRECISION - Switch seamlessly between PSI, bar, and kPa measurements to suit any professional irrigation or plumbing setup.
RED POINTER PRESSURE ALERT - Stay ahead of pressure fluctuations with a vivid red pointer that highlights critical changes instantly.
CRYSTAL CLEAR 2 5 INCH DIAL - Effortlessly monitor water pressure with a large, easy-to-read gauge face designed for quick insights.
DURABLE BRASS COPPER ALLOY BUILD - Engineered with corrosion-resistant materials ensuring long-lasting reliability in demanding environments.
QUICK CONNECT 3 4 INCH HOSE THREAD - Simplify installation with a versatile female hose thread adapter compatible with most standard fittings (note regional compatibility).

The CARBO Instruments 2-1/2 inch water pressure gauge combines a corrosion-resistant brass and copper alloy construction with a large, dual-scale dial and a red pointer for precise pressure monitoring. Featuring a 3/4-inch female hose thread adapter, it offers quick installation and reliable performance for irrigation and plumbing professionals seeking accurate, real-time water pressure data.

Specifications

ASIN	B07PGXSWF5
UPC	810017351800
おすすめ度	5つ星のうち4.4 4,275 レビュー
ねじ山のタイプ	Npt
ネジのタイプ	Npt
ブランド	CARBO INSTRUMENTS
ブランド名	CARBO INSTRUMENTS
メーカー名	CARBO USA
メーカー型番	D25-P-W-200
モデル番号	D25-P-W-200
ユニット数	1.0 個
商品の個数	1
商品の重量	5 オンス
商品寸法 (長さx幅x高さ)	9.9 x 6.1 x 3.3 cm
商品本体サイズ	9.9 x 6.1 x 3.3 cm
材質	銅合金真鍮
素材	銅合金真鍮

Reviews

D**H

Do not buy this in the UK!

I'm a plumber of 20 years. The connector will not seal to a tap as the thread is not compatible with uk threads. I removed the tap connector (not easy as this is glued on to the guage thread. Why!?!?) and the 1/4 thread on the actual guage also doesn't match standard uk plumbing parts. This will not work in the UK. Do not buy!

Invalid date

A**R

fácil de instalar

muy fácil de instalar

Invalid date

K**D

Inexpensive but accurate and well built.

An inexpensive and well built pressure gauge. Works well on any threaded port/hose connection to give you accurate pressure readings.

Invalid date

B**Y

Quality gauge, accurate

Accurate and well made

Invalid date

Y**O

Water PSI Value

Very easy to use and reading the top water PSI value.

Invalid date

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€ 53.89

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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