Instrumentation relies on accuracy, and our instrument-grade straight copper fine bore tubing is engineered to provide the precise dimensions necessary for accurate pressure transmission and temperature sensing. Designed specifically for use in pressure sensors, thermometers, and industrial automation controls, this tubing features a highly consistent inner bore that minimizes signal error and response lag. The instrument-grade straight copper fine bore is typically supplied in a hard temper to resist vibration and maintain its precise shape under industrial conditions. This high rigidity ensures that your instruments remain calibrated longer, reducing maintenance costs and improving the reliability of your automated systems.
Xinchang Sancai Machinery is a National High-tech Enterprise with 15+ years of experience in the precision tubing market. We manufacture the instrument-grade straight copper fine bore using high-precision cold drawing processes, holding tolerances to ±0.02mm. Each tube is tested for high-pressure sealing and handles pulse pressure exceptionally well, ensuring a leak-free performance even at working temperatures up to +250°C. We are a trusted Tier-1 supplier to Sanhua Commercial Refrigeration, and our expertise in supplying instrumentation tubing is backed by our ISO 9001:2015 quality management system. Choosing our instrument-grade straight copper fine bore means trusting a manufacturer that understands the "micron-level" details that make instruments work better.
Product Parameters
|
Parameter |
Detail |
|
Material |
TP2 / TU1 Copper |
|
Temper |
Hard (Y) / Half-Hard |
|
Working Temp |
-60°C ~ +250°C |
|
ID Range |
0.2mm ~ 3.0mm (Fine bore focus) |
|
OD Range |
1.8mm ~ 6.35mm |
|
Wall Thickness |
0.4mm ~ 1.2mm |
|
Tolerance |
±0.02mm |
|
Media Compatibility |
Oil, gas, water, refrigerants |
Application Fields
Pressure Sensors
Reliable conduits for sensing pressure in industrial boilers and engines.
01
Capillary Thermometers
Precise volume transmission for accurate temperature readings.
02
Pneumatic Controls
High-strength tubing for automated air-control circuits.
03
Scientific Research
Applied in laboratory equipment requiring high-pressure gas transmission.
04
Customization Capabilities
We specialize in precision end-forming and surface finishing for the instrument-grade straight copper fine bore. We can provide mirror polishing for a professional aesthetic and micro-flaring to match specialized instrument fittings. If you have unique technical requirements, our engineering team will provide a manufacture-for-design analysis and a transparent FOB quote within 48 hours. Samples for verification can be ready within 10 days.
Quality Control & Logistics
Our factory employs PIT-type annealing and pit-type high-vacuum protection to ensure material consistency. We perform rigorous sealing tests on every piece of instrument-grade straight copper fine bore before packing. Our tubing is shipped in moisture-proof, reinforced wooden crates with detailed labeling. We handle all relevant export documentation and collaborate with reliable freight forwarders to ensure your high-precision instruments receive the high-precision tubing they deserve.
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