Explore our factory-direct pressure and temperature measurement solutions engineered for high durability and absolute precision.
Understanding the engineering mechanics, thermodynamic principles, and structural integrity required for heavy-duty process control.
In modern industrial process automation, the simultaneous monitor of pressure and thermal metrics is vital for systemic safety, operational efficiency, and regulatory compliance. As a premier OEM Gauge Pressure And Temperature Manufacturer & Factory, Huzhou Accuracy Instrument Co., Ltd. bridges mechanical mechanics with state-of-the-art electronic transducer technologies.
Gauge pressure measurement specifically quantifies pressure relative to ambient atmospheric pressure. Achieving long-term repeatability under continuous pressure cycling, thermal shock, and corrosive ambient conditions demands rigorous metallurgy selection—including SS316L stainless steel Bourdon tubes, Hastelloy diaphragms, and specialized ceramic microfused sensing chips.
Simultaneously, temperature instruments such as bimetallic thermometers and capillary remote-reading sensors utilize precisely calculated expansion coefficients to yield high linear response metrics across thermal spans ranging from -50°C up to +600°C.
Over two decades of dedication to industrial mechanical pressure gauges, bimetal thermometers, SF6 manometers, and smart sensors.
Established over two decades ago, Huzhou Accuracy Instrument Co., Ltd. spans a modern 3,000-square-meter manufacturing facility. Equipped with state-of-the-art automated assembly lines, laser welding technology, and hydrostatic testing stations, we integrate continuous product innovation with rigorous precision engineering.
Our instruments serve key global sectors including mechanical engineering, petrochemical processing, food & beverage sanitary lines, pharmaceutical production, and high-voltage power appliances. We maintain a zero-leak philosophy backed by ISO 9001:2008 and CE certifications.
Comprising 20 dedicated specialists focused on advanced material science, smart sensor micro-electronics, ceramic diaphragm deposition, and international compliance standards (ISO, API, DIN).
Over 120 skilled technicians operating high-precision automatic dial calibration instruments, dynamic laser sealers, and liquid-filling vibration-damping lines.
15 international trade professionals offering 24/7 technical assistance, custom engineering consultations, and OEM distribution support across 30+ countries.
Our internal laboratory performs 100% pressure cycle testing and thermal simulation tests, ensuring zero leakage and stable calibration under extreme operating environments.
Why leading global EPC contractors, instrument brands, and system integrators source from our Huzhou production hub.
From raw stainless steel rod machining, Bourdon tube drawing, movement gear stamping, to dial printing and final laser welding—our complete in-house manufacturing chain reduces lead times by 35% and guarantees strict tolerance control across every unit.
We provide full-spectrum OEM/ODM services: customized dial faces (dual scale PSI/Bar/KPa, corporate logos), tailored capillary lengths up to 15 meters, specific stem connections (NPT, BSP, G, Flanged), and specialized damping fluids (Glycerin, Silicone).
By leveraging China's robust industrial supply ecosystem and automated mass assembly, Huzhou Accuracy delivers premium-grade, CE-compliant pressure and temperature instruments at highly competitive factory-direct wholesale prices.
Navigating Industry 4.0: Smart Transmitters, Ceramic Diaphragms, and SF6 Gas Monitoring.
The industrial instrumentation sector is experiencing a rapid shift toward digital intelligence, predictive maintenance, and localized environmental resilience. Modern manufacturing plants demand sensors that not only display mechanical values locally but also transmit precise analog and digital signals to centralized SCADA and IIoT platforms.
Key technological advancements driving our product development include:
| Technology | Accuracy | Ideal Application |
|---|---|---|
| Bourdon Tube Mechanical | ±1.0% to ±1.6% | Local visual reading, HVAC, standard boilers |
| Diffused Silicon Transducer | ±0.25% to ±0.5% | Hydraulics, automation, remote telemetry |
| Ceramic Thick Film | ±0.5% FS | Corrosive chemicals, wastewater, acid lines |
| Bimetallic Thermal Coil | ±1.5% FS | Direct immersion thermal monitoring |
Tailored instrumentation solutions built to endure harsh working environments worldwide.
Designed with 316L liquid-filled stainless steel cases, hermetically sealed chemical diaphragm transmitters, and explosion-proof housings (Ex d IICT6) to resist harsh salt spray, H2S gas corrosion, and severe line vibration.
Sanitary quick-connect Tri-Clamp diaphragm gauges featuring mirror-polished surfaces (Ra < 0.4µm) and non-toxic FDA-approved fill fluids (Vegetable Oil/Glycerin) suitable for CIP/SIP sterilization routines.
SF6 gas density monitors featuring temperature compensation relays, engineered specifically for high-voltage transformers and power substations to prevent catastrophic dielectric breakdown.
Detailed selection guide for procurement officers, OEM project managers, and specification engineers.
| Parameter | Standard Specification | OEM Customization Options |
|---|---|---|
| Dial Sizes | 40mm (1.5"), 50mm (2"), 63mm (2.5"), 100mm (4"), 150mm (6") | Custom square, rectangular, or digital LED display bezels |
| Pressure Ranges | -0.1 to 0 MPa (Vacuum), 0 to 0.1 to 100 MPa (15,000 PSI) | Dual/Triple scales (PSI, Bar, KPa, Kg/cm²), compound vacuum scales |
| Temperature Spans | -50°C to +600°C (-58°F to 1100°F) | Remote capillary lengths up to 15 meters with stainless steel armor casing |
| Wetted Parts Material | Brass, Stainless Steel AISI 304, AISI 316L | Monel 400, Hastelloy C-276, PTFE / Teflon coating, Ceramic |
| Process Connections | 1/8", 1/4", 3/8", 1/2" NPT, BSP, BSPT, Metric threads | Flanged (ANSI, DIN, JIS), Sanitary Tri-Clamp, Surface mount flanges |
| Electrical Contacts / Output | Dry contact switches, 4-20mA 2-wire, 0-10V DC 3-wire | RS485 Modbus RTU, HART protocol, ATEX Intrinsically Safe ratings |
Strict compliance with ISO9001:2008 and CE benchmarks ensuring consistent zero-defect performance.
We have long followed the core philosophy of "Reasonable price, accurate delivery, reliable quality". Every batch produced in our factory undergoes helium mass spectrometer leak detection, high-temperature aging chambers, and hydrostatic shock testing.
Expert answers resolving technical engineering inquiries for pressure and temperature instruments.
Select from our specialized bimetallic thermometers, electric contact gauges, and SF6 density monitors.
Accuracy Instrument