Explore our high-performance mechanical pressure gauges, bimetallic thermometers, and integrated sensing systems manufactured under strict ISO 9001:2008 standards.
Huzhou Accuracy Instrument CO LTD is professionally engaged in the development, sales, and service of industrial mechanical pressure gauges, bi-metal thermometers, SF6 manometers, and advanced pressure sensors. Our high-integrity instruments are widely deployed across challenging environments, including Mechanical Engineering, Chemical Processing, Food & Beverage Production, Pharmaceutical Manufacturing, and High-Technology Electric Appliances.
Established over two decades ago, our modern pressure gauge manufacturing facility spans over 3,000 square meters. It is fully integrated with automated production lines, laser welding cells, and ultra-precise calibration software. As an industry leader, we bridge material science innovation with precision mechanical engineering to deliver reliable measurement solutions for global enterprise clients.
Focuses on advanced alloy material innovation, smart sensor micro-integration, digital dual-scale transmitters, and strict compliance with international standards including ISO, API, ASME, and EN 837-1 specifications.
Utilizes fully automated robotic assembly systems, automatic liquid filling units, and laser calibration technology to ensure absolute product vibration durability, zero leak rates, and long-term repeatability.
Delivers continuous technical consultation, complete OEM/ODM customized drawing support, and localized supply chain execution for industrial enterprises across more than 30 nations worldwide.
Addressing high-stress fluid power, extreme thermal dynamics, and harsh environmental challenges through OEM-grade instrument engineering.
In modern industrial hydraulic systems, heavy-duty diesel engines, marine propulsion units, and stationary power generation stations, pressure and temperature are intrinsically connected thermodynamic variables. A sudden decline in oil pressure often correlates directly with thermal breakdown, viscosity thinning, or localized hot-spot friction within bearing housings.
Traditional procurement paradigms relied on separate mechanical pressure gauges and temperature sensors. However, modern tier-1 original equipment manufacturers (OEMs) and process plant managers increasingly require integrated, dual-function or co-located monitoring assemblies. By sourcing consolidated oil pressure and bimetallic temperature gauges directly from specialized Chinese manufacturers like Huzhou Accuracy Instrument, global buyers achieve substantial cost savings, minimize potential failure points on process manifolds, and streamline supply chain logistics.
Industrial machinery operates under continuous mechanical stress. Standard dry pressure gauges deployed in hydraulic systems or heavy earthmoving equipment rapidly succumb to pointer flutter, gear-train wear, and calibration drift caused by high-frequency vibration. To eliminate these failure modes, our China manufacturing facility engineers liquid-filled (glycerin or silicone oil) gauges with solid-front safety designs.
| Instrument Category | Wetted Material Options | Accuracy Class | Pressure / Temp Range | Industrial Compliance |
|---|---|---|---|---|
| Vibration-Resistant SS Gauges | AISI 304 / 316L Stainless Steel | Class 1.0 / Class 1.6 (EN837-1) | 0...1 bar to 0...1000 bar | CE, ISO 9001, IP65 / IP67 |
| Bimetallic Thermometers | 316L SS Stem, Hermetically Sealed | Class 1.0 (EN 13190) | -50°C up to +600°C | CE, DIN Standard, RoHS |
| Flanged Diaphragm Seal Gauges | 316L SS, PTFE Coating, Tantalum | Class 1.0 / ±0.5% Custom | -0.1...0 to 0...40 MPa | ISO 17025 Tested, ASME B40.100 |
| CNG & Automotive Transducers | Brass / Stainless Steel Alloy | Class 1.6 / Dual Signal Output | 0...250 bar (5V / 12V Integrated) | ECE R110, ISO 15500 OEM Standard |
| Explosion-Proof Contact Gauges | Heavy-Duty Steel / Laser Welded SS | Class 1.0 | 0...100 PSI to 0...10,000 PSI | CE, Explosion-Proof Certified |
Delivering engineered precision across critical energy, heavy machinery, automotive, and processing infrastructure.
Equipped with glycerin filling and solid front safety cases, our vibration-proof gauges withstand pressure spikes, fluid hammer effects, and harsh continuous mechanical shocks in hydraulic presses and mobile equipment.
All-stainless-steel gauges with flanged diaphragm seals protect sensitive measuring elements from corrosive media like H2S, harsh acids, and high-viscosity crude oil derivatives during high-pressure refining operations.
Custom 5V/12V electronic integrated pressure sensors and manometers specifically engineered for alternative fuel vehicles, monitoring Compressed Natural Gas (CNG) storage tanks with signal telemetry.
Hermetically sealed bimetal thermometers and SF6 gas density manometers ensure real-time status reporting for electrical power grids, sub-stations, and heavy industrial power distribution centers.
Our commitment to zero-leak performance, structural durability, and uncompromised precision standard adherence.
We strictly follow the corporate ethos of "Reasonable Price, Accurate Delivery, Uncompromising Quality". Operating under a verified ISO 9001:2008 management model, our in-house testing laboratory conducts 100% pressure cycle testing, overpressure burst testing, and thermal simulation chambers adhering to ISO 17025 calibration guidelines. Continuous manufacturing optimization ensures zero-leak integrity even under extreme environmental conditions, backed by a comprehensive one-year replacement warranty.
Discover our complete portfolio of electrical contact manometers, explosion-proof units, and specialized air pressure indicators.
Pioneering the convergence of classical mechanical measurement with IoT digital telemetry.
The industrial landscape is undergoing a rapid digital transformation under Industry 4.0 guidelines. While traditional mechanical Bourdon tube gauges and bimetallic thermometers remain the cornerstone of field safety visual inspection due to their non-powered reliability, industrial operators increasingly demand real-time data transmission.
Huzhou Accuracy Instrument is at the forefront of this evolution, developing hybrid measurement platforms that seamlessly combine traditional mechanical dial indicators with digital signal transmitters:
Our hybrid gauges feature non-contact optical sensors mounted directly to the pointer spindle, transmitting continuous electrical signals (4-20mA or RS485 Modbus protocol) to central SCADA systems without interfering with visual dial accuracy.
To overcome chemical erosion and high-pressure stress, our engineering team utilizes robotic TIG and fiber laser welding techniques to fuse thin-walled Hastelloy, Tantalum, and Monel diaphragms directly to instrument bodies with zero microscopic seam defects.
Developing temperature-compensated SF6 gas density monitors featuring multi-contact micro-switches to prevent flashovers in high-voltage electrical grid transformers and regional substations.
Partnering directly with an established China oil pressure and temperature gauge factory offers global B2B procurement managers distinct competitive advantages: complete design customization (OEM/ODM), low minimum order quantities (MOQs), rapid prototyping, and direct access to China's comprehensive raw material supply ecosystem. By maintaining 100% internal control over stamping, machining, dial printing, assembly, and calibration, Huzhou Accuracy Instrument delivers unmatched cost-performance ratios while strictly adhering to global environmental standards (RoHS and REACH compliant).
Technical insights and commercial answers for enterprise procurement officers and engineering leads.
Accuracy Instrument