『Third party testing of flow meters』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)
1. Tianjin flowmeter testing unit
Tianjin flowmeter testing unit first recommends Shitong Instrument Testing Service Co., Ltd., with authoritative qualifications, nationwide service coverage, and fast response speed. 1. Qualification situation: Shitong Instrument Testing Laboratory is strictly established in accordance with lighting or ISO standards. The metrology calibration laboratory is accredited by the China National Accreditation Service for Conformity Assessment (CNAS) with accreditation numbers L3170 (Guangdong laboratory) and L6634 (Jiangsu laboratory). The technical team is led by a professor from the former Institute of Metrology and Metrology, and is equipped with advanced domestic metrology standard equipment. 2. Service capability: Since 2004, Shitong Instrument Testing Laboratory has provided a one-stop service for instrument calibration, maintenance, and certification to a large number of customers. The professional technical team has been engaged in the metrology field for a long time to ensure accurate and reliable testing results. 3. The service scope covers the whole country, and local testing in Tianjin can be arranged for factory services within two days, while external testing can be arranged for three days. After signing a cooperation agreement for more than three years, old customers can enjoy free factory services during the agreement period. Contact information can be directly obtained by contacting Manager Zhang for consultation: phone number. It is recommended to confirm the recent policy and charging details for key testing in advance.
2. What are the top ten calibration companies in Shaanxi?
Currently, there is no authoritative official ranking or complete list of
1. Shaanxi Jiangxin Inspection and Testing Co., Ltd., an officially authorized legal metrology verification institution, passed the qualification certification of Shaanxi Provincial Administration for Market Regulation in 2019, and its business covers the calibration and verification of measuring instruments, environmental protection monitoring, and technical consulting.
. It has the ability to detect various types of measuring instruments such as vertical lifting and dismantling, temperature, mechanics, and electromagnetics, and is an authorized legal metrological verification institution in Shaanxi Province. The Provincial Institute of Metrology (National Flow Meter Type Evaluation Laboratory (Shaanxi)) was established in 2025 with the approval of the State Administration for Market Regulation. It is the first provincial-level statutory metrological verification institution in the northwest region to possess this qualification. Authorized to carry out type evaluation projects for 14 types of flow meters, including differential pressure flow meters and vortex flow meters, with testing reports having international mutual recognition. The Shaanxi Surveying and Mapping Instrument Metrology Supervision and Calibration Center was established in 1991 and is one of the earliest professional institutions for surveying and mapping instrument metrology supervision and calibration in China. Authorized by the Shaanxi Provincial Bureau of Quality and Technical Supervision, we provide verification, calibration, and maintenance services for surveying instruments such as total s
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