JB/T 12596-2016 in English
VALIDMetal capacitive pressure transducer
- Issued on:2016-01-15
- Implemented on:2016-06-01
- File Format:PDF
- Delivery:Via email within 5 business days
$359.00
标准规定了金属电容式压力传感器的术语和定义、分类与命名、基本参数、要求、试验方法、检验规则及标志、包装、运输和贮存。
本标准适用于金属电容式压力传感器。
Introduction
Standard Overview
JB/T 12596-2016 was proposed by the China Machinery Industry Federation and specifies the technical requirements and test methods for metal capacitive pressure sensors. This standard applies to industrial sensors that measure pressure through the change in the capacitance of metal capacitors.
Core parameter requirements
| Parameter category | 0.05 level | 0.1 level | 1.0 level |
|---|---|---|---|
| Non-linearity (%FS) | ≤0.03 | ≤0.06 | ≤0.6 |
| Hysteresis (%FS) | ≤0.04 | ≤0.08 | ≤0.8 |
| Temperature effect (%FS/10℃) | ≤0.05 | ≤0.05 | ≤0.5 |
Key technical requirements
1. Static performance
The standard specifies in detail the zero output, full-scale output, nonlinearity, hysteresis, repeatability and other indicators. Taking the 0.05-level sensor as an example, its nonlinear error shall not exceed ±0.03%FS, and the hysteresis error shall be ≤0.04%FS.
2. Environmental adaptability
The sensor needs to pass environmental tests such as low temperature (-40℃), high temperature (125℃), and damp heat (95%RH). After the test, the insulation resistance should remain ≥20MΩ (test voltage 500VDC).
Typical application scenarios
Metal capacitive pressure sensors are widely used in:
- Petrochemical process control systems
- Power industry boiler pressure monitoring
- Aerospace hydraulic systems
- Explosion-proof sites need to pass GB3836 certification
Implementation suggestions
1. Selection guide
Select the appropriate range (0-0.15kPa to 0-40MPa) and accuracy level according to the measurement requirements. Products certified by GB3836 should be selected for explosion-proof sites.
2. Installation and maintenance
It is recommended to use a two-wire wiring method (DC24V±10%). Avoid severe vibration during transportation and storage. The environmental humidity should be kept ≤80% for long-term storage.
3. Periodic Inspection
Factory inspection is carried out according to Article 8.2 of the standard. The type inspection cycle shall not exceed 3 years, with emphasis on zero point stability and insulation performance.
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