Since 1988 Chuen Charng has manufactured pressure gauge, thermometer, metal ball. Being a leading and expert manufacturer in Taiwan and China under Japan high tech know-how and Taiwan strict management organization. In light of these impeccable merits, we have come into reliable reputation and prominence in the industry. For years, our market share has been successful in USA, Asia & Europe. We always know our stable quality is the key way to win more continuous patronage. Providing high quality product, attractive price and prompt delivery are our goal. Expect to bring impressed satisfactory and establish long-term relation with you to create more mutual benefits.

High accuracy low pressure gauge made in Taiwan - CHUEN CHARNG CO LTD

Focusing on quality, we measure it as the one important goal to achieve for growth, development and progress. Having said that, we undertake each given task very precisely to gain result oriented solutions at each point of time. As the low pressure gauge industry matured and diversified, CHUEN CHARNG CO LTD focused on customer needs and continually developed new products. Our company is one of the main producers of low pressure gauge in Taiwan, and is highly regarded for quality products. We achieve our goals through dedicated associates performing the highest quality workmanship, which in turn allows us to supply our customers with the best products and services.
low pressure gauge, bottom connection


Low pressure gauge

Capsule type pressure gauges are applied to measure low and extremely low positive or negative pressure, particularly of gaseous fluid. Using for liquid fluid is limited.

Connection types:

AQ-A type (bottom mount)

AQ-AD type (center back mount)

AQ-UD type (center back mount with u-clamp)


gas burner, suction regulator, vacuum pump, gas leak detector, air compressor, air filter, gas measurement, vacuum oven and respirator, any low pressure pneumatic system
Specification :

  • Size:  2”(50mm), 2.5”(63mm) , 3”(75mm), 4”(100mm)
  • Measuring Range: compound, vacuum 200mmAq(or 254mmAq for 2.5") up to 15 psi
  • Dial: white aluminum with markings and graduations
  • Window: twist lock polycarbonate, glass, plastic
  • Pointer: black finished aluminum
  • Ring: black painted steel, chrome plated steel
  • Case: black painted steel, chrome plated steel
  • Movement: brass
  • Socket: brass
  • Diaphragm Capsule: phosphor bronze
  • Connection: 1/8", 1/4", 3/8", 1/2" PT, NPT, BSP thread
  • Mounting: bottom, center back with surface, flush and u-clamp
  • Accuracy: +/-3.2.3% of full scale
  • Operating Temperature Limit: -20 ~ 60°C (-4 ~ 140°F)

Country of Origin :


Main Export Markets :

North America, Europe, Southeast Asia

Payment Details :

Minimum Order : T/T, Paypal

Lead Time :

Days : 30  FOB Port

Related Products : Keelung

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CHUEN CHARNG CO LTD’s mission is to deliver outstanding low pressure gauge with such a gratifying experience that our customers become our best advocates. Our products are highly accepted in domestic and international markets, due to their high efficiency and reliability. We fulfill the demands of Taiwan market as well as of overseas market, especially [country / region] market. Please feel free to contact us if you are looking for a reliable low pressure gauge manufacturer.