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Ningbo Jiangbei Dongfang Water Meter Instrument Factory
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Ningbo Jiangbei Dongfang Water Meter Instrument Factory
Phone: 86-574-87381174
Fax: 86-574-87381174
Mobile: (0) 13905746717
Email: 13305746717@163.com
Website: nikewerun.com
Address: Zone C, Jiangbei Investment and Entrepreneurship Center, Ningbo

The working principle and composition of measurement standards!
Publisher: Website release time: 2013-9-27 Read: Times

The working principle of the standard device of the water meter verification device is the volume method. The water meter is correctly clamped on the water meter verification device, and the rotor flowmeter adjustment valve is operated to make the water flow through the water meter according to the specified flow value and enter the standard container. The reading indicated by the water meter pointer and the volume value shown in the standard container give the water representation error. % 100 QQ QEm E —— Indication error of water meter, expressed by the percentage of actual water passing Q — Actual water passing, L Qm — Water indicated by water meter pointer, L water meter verification device is generally composed of voltage stabilizer , Clamp meter device, front and back straight pipe section, flow regulating valve, flow indicator (rotor flow meter), workload meter, drain valve and piping system. The full performance water meter verification device should also include a hydraulic strength test device and an accelerated wear test device. Because the workload meter can reach 0.1% accuracy after calibration, the dynamic volume method or static volume method can be used to carry out the verification / calibration of 0.5% and below working flowmeters.

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Ordinary water meter verification device (manual control) | Weighing automatic water meter verification device | Liquid level automatic water meter verification device | Intelligent weighing method | Intelligent volume method |
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Phone: 86-574-87381174 Website: nikewerun.com Technology: Ningbo Network Company