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Phone: 0415-6279972 / 6279973
Fax: 0415-6279975
Email: ddbest@qianhualy.com
Address: Baoquan Road, Zhenxing District, Dandong City, Liaoning Province
No. 20 (Lingang Industrial Park)
Postcode: 118009

Shanghai Institute of Metrology and Testing Technology

Project name: Bell-type gas flow standard device system

The main technical parameters: Device expansion uncertainty: Class 0.2 bell jar
Project description: This project is a bell-type gas flow standard device system constructed by Shanghai Metrology and Testing Technology Research Institute according to needs.
To achieve the verification of speed gas flowmeter, volumetric gas flowmeter and gas meter. Using microcomputer automatic verification control system. Mainly used
Verification of various gas flow meters.