Explore our CE-certified, high-accuracy pressure and temperature monitoring solutions engineered for rigorous industrial operating environments.
Analyzing technical parameters, compliance frameworks, and micro-mechanical innovations in oil pressure and temperature sensing.
In modern industrial manufacturing, heavy machinery management, stationary power generation, and marine propulsion, monitoring operational health via fluid dynamics is paramount. Lubrication oil serves as the lifeblood of internal combustion engines, hydraulic power units (HPUs), gearboxes, and high-pressure compressors. A failure in oil pressure leads to catastrophic metal-on-metal friction within milliseconds, while unmonitored oil temperature spikes lead to thermal breakdown, fluid oxidation, loss of kinematic viscosity, and eventual mechanical seizure. Historically, plant engineers relied on independent pressure manometers and bimetallic temperature indicators installed at distinct tapping points. However, modern industrial design favors consolidated, high-reliability dual-parameter monitoring solutions: the CE Certification Oil Pressure Oil Temperature Gauge Set.
As a leading China OEM/ODM manufacturer and global exporter, Huzhou Accuracy Instrument Co., Ltd. bridges the gap between traditional mechanical durability and modern smart factory requirements. Engineered strictly according to European Union Directives—specifically the Pressure Equipment Directive (PED 2014/68/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU)—our gauge sets deliver unmatched precision (±1.0% to ±0.5% full-scale accuracy), rugged shock resistance, and zero-drift operational stability under extreme thermal cycling.
Combines Bourdon tube hydraulic sensing and bimetallic or capillary temperature coils into a unified IP67 sealed casing, reducing manifold tapping requirements by 50%.
Filled with 99.7% pure industrial glycerin or high-viscosity silicone oil to eliminate pointer flutter caused by high-frequency engine resonance and mechanical chatter.
Certified under ISO 9001:2015 and compliant with EN 837-1 safety standards. 100% laser-calibrated and pressure-tested for zero leakage in critical hazardous zones.
The global demand for high-reliability industrial gauges is undergoing a major structural shift driven by four macro-economic and engineering drivers:
Decades of mechanical instrument innovation back our production capabilities for global industrial enterprises.
Compare operational tolerances, metallurgy options, and sensing mechanisms tailored for industrial buyers.
| Specification Parameter | Standard Industrial Grade | Heavy-Duty Shock-Proof Series | Explosion-Proof Hazard Class |
|---|---|---|---|
| Pressure Measurement Range | 0 to 10 Bar / 0 to 150 PSI | 0 to 25 Bar / 0 to 400 PSI (Customable) | 0 to 100 Bar / 0 to 1500 PSI |
| Temperature Measurement Range | 0°C to +120°C / 30°F to 250°F | -40°C to +150°C / -40°F to 300°F | -50°C to +200°C / -58°F to 400°F |
| Accuracy Class (EN 837-1) | Class 1.6 (±1.6% F.S.) | Class 1.0 (±1.0% F.S.) | Class 0.5 High-Precision (±0.5% F.S.) |
| Dial Diameters Available | 50mm (2"), 63mm (2.5") | 63mm (2.5"), 80mm (3.2"), 100mm (4") | 100mm (4"), 150mm (6") |
| Wetted Parts Material | H62 Brass / Phosphor Bronze | AISI 316 Stainless Steel / Monel 400 | 316L Stainless Steel / Hastelloy C276 |
| Liquid Filling Option | Dry / Glycerin 99.7% | High-Viscosity Silicone Oil (-40°C to +200°C) | Hermetically Sealed Fluorolube / Silicone |
| Process Connection Standards | 1/8" NPT, 1/4" NPT, G1/4", M14x1.5 | 1/4" NPT, 1/2" NPT, G1/2", BSPP | 1/2" NPT Male, Flanged Diaphragm Seal |
| International Certifications | CE Mark, RoHS | CE Mark, ISO 9001:2015, REACH | CE, ATEX Ex II 2 GD c T6, ISO 17025 |
How Huzhou Accuracy Instrument Co., Ltd. combines advanced automation with stringent quality control to deliver competitive global advantages.
In the competitive global landscape of industrial instrumentation, manufacturing superiority is no longer solely defined by low-cost production. It requires an agile, digitized end-to-end supply chain capable of delivering military-grade precision with short lead times. Located in Huzhou, Zhejiang—a hub of precision manufacturing in China—our 3,000-square-meter state-of-the-art facility represents the pinnacle of Industry 4.0 smart factory integration.
Equipped with robotic fiber laser welding systems for seamless 316L stainless steel dial-to-socket seals, eliminating leak risks under high hydraulic pulsation spikes.
Computerized optical optical-tracking calibration benches scan and verify dial readings across 10 distinct pressure and temperature increments, ensuring 100% NIST-traceable accuracy.
Real-time raw material tracking ensures secure stock management for specialty alloys (Monel, Inconel, 316L SS), enabling rapid turnarounds for OEM custom production orders.
Operating environments in heavy machinery generate intense dynamic forces. Engine manifolds and hydraulic lines experience continuous vibration frequencies between 10 Hz and 2,000 Hz, alongside severe thermal cycling. Traditional un-filled pressure gauges installed on heavy diesel engines suffer from rapid tooth wear in the sector gear mechanism, resulting in pointer flutter, friction loss, and total mechanical failure within hundreds of hours.
To overcome this engineering challenge, our CE Certification Oil Pressure Oil Temperature Gauge Sets utilize two key design innovations:
Tailored gauge configurations designed for critical equipment operating in tough environments.
Installed on tugboats, cargo vessels, and commercial fishing trawlers to monitor main engine lubrication oil galleries. Dual temperature and pressure dials alert operators to oil cooler fouling or lube oil pump failure before bearing damage occurs.
Mounted on heavy excavators, bulldozers, and mining haul trucks. The liquid-filled, shock-resistant housing protects delicate internal gears against continuous mechanical shocks and terrain-induced vibrations.
Essential for standby diesel and natural gas power plants in critical infrastructure (hospitals, data centers). Electric contact gauge models trigger automatic emergency shutdowns if lube oil pressure drops below safe operational thresholds.
Two decades of relentless innovation, precision manufacturing, and international quality management.
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 pressure sensors. Our products are widely deployed in critical applications across Mechanical Engineering, Chemical Engineering, Food Industry, Pharmaceutical, and high-technology electric appliances.
Established over two decades ago, our pressure gauge manufacturing facility spans 3,000 square meters, equipped with advanced production lines and rigorous quality control systems. As an industry leader, we integrate innovation with precision engineering to deliver reliable measurement solutions for global clients.
Our laboratory performs 100% pressure cycle testing and environmental simulations to guarantee zero-leak performance under extreme industrial conditions.
In-depth engineering insights regarding installation, calibration, CE directives, and customized gauge specifications.
CE certification confirms that our gauge sets fully comply with essential European safety and environmental standards. Specifically, for mechanical pressure instruments, it validates compliance with the Pressure Equipment Directive (PED 2014/68/EU) for pressure containment integrity, and where electric contacts or transducers are integrated, the Electromagnetic Compatibility Directive (EMC 2014/30/EU) to ensure immunity against signal noise.
Glycerin (99.7% purity) is the standard liquid fill for general industrial applications with operating ambient temperatures between -20°C and +60°C (-4°F to 140°F). For extreme temperature environments—such as arctic heavy machinery or high-temperature engine compartments (-40°C to +200°C)—silicone oil is required due to its thermal stability and stable kinematic viscosity.
Dual-parameter gauges incorporate two independent, coaxial sensing systems inside a single housing. Pressure is measured via a Bourdon tube coupled to a sector gear pointer assembly, while temperature is measured simultaneously using a coiled bimetallic element or capillary thermowell tube driving a secondary pointer along an independent temperature scale on the dial.
Yes. As a direct factory manufacturer, we offer full OEM/ODM engineering customization. We supply thread connections in NPT (1/8", 1/4", 1/2"), BSP/BSPP, and Metric standards (e.g., M14x1.5, M20x1.5). Dial faces can be customized with dual scales (PSI/Bar, °C/°F), company logos, color-coded warning zones, and customized electrical contact presets.
Every production batch undergoes 100% optical calibration and pressure hold testing in accordance with ISO 9001:2015 quality protocols. Upon request, we provide Factory Inspection Certificates compliant with EN 10204 3.1, NIST traceability reports, and CE certificates of conformity.
Standard catalog gauge sets are dispatched within 10 to 15 business days. Customized OEM orders requiring special metallurgy (such as 316L SS wetted parts, diaphragm isolation seals, or customized ATEX explosion-proof housings) typically require 20 to 30 days depending on order volume.
Discover our specialized range of bimetal thermometers, pressure transmitters, and gas monitors.
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