People cannot live and work without water.The widely used measuring instrument in water quantity measurement is the mass method water meter verification device.The measurement accuracy of the quality method water meter verification device is related to the fundamental interests of thousands of residents. Read More

　　称重法水表检定装置是利用水流对叶轮的流速作用，计算流经水管的水流体积的流量计。 这可以准确测量水流量为0.1ml~0.0001ml的不同流出体积，准确测量水流量的费用。 通过水表测量的水流量是在水表配管中流动的累计流量。 水表按设计方式分为容积式和速度式两种水表。 从设计原理上看，容积式水表比速度式水表精度高，但容积式水表对水质要求高，水中含有杂质容易堵塞。 记录该水量的仪表被安装在水管上，当用户放水时，可以表示钟表的指针和表盘旋转所通过的水量，那么，下面一起了解下称重法水表检定装置的发展和应用与计量的影响分析吧!　　1、影响称重法水表检定装的主要因素　　1.1称重法水表检定装口径的选择　 Read More

　　The weighing water meter verification device directly affects the accuracy of the water supply company's measurement and settlement and the interests of consumers.Smart meters, IC card water meters and other new water meters with functions of charging and automatic water cutoff have become common water meters for industry and residents. The weighing method water meter verification device is used to complete the verification of measuring instruments to ensure accurate and reliable measurement in the water supply industry.At present, the existing water meter verification equipment cannot perform quick and easy-to-operate verification of the automatic water cut-off function of the water meter. Then, let's learn about the production method of the weighing method water meter verification device system!Technical realization elements of gravimetric water meter verification device: The purpose of this article is to provide a water meter detection device and water meter detection system, which solves the problems of low water meter detection efficiency and low utilization rate of water supply devices, and can use one water supply device to test multiple water meters. The channel supplies water for water meter testing, and multiple water meters can be installed on each water meter testing channel.gravimetric water Read More

　　The gravimetric water meter verification device has been used for several years. With the gradual improvement of technology, the superiority of the ultrasonic water meter has gradually emerged. Then, let's understand the principle and performance characteristics of the gravimetric water meter verification device. !The working principle of the gravimetric water meter verification device: The ultrasonic water meter that uses the ultrasonic beam to propagate in the liquid, with the flow of the liquid, the forward and reverse propagation time changes slightly, and the change of the propagation time is proportional to the flow velocity. When the structural parameters of the sensor are determined, as long as the propagation time of the sound wave in the fluid is measured, the performance characteristics of the flow value weighing method water meter verification device can be obtained: 1. The battery is easy to replace, with a replaceable battery structure design, and the market is easy to maintain ; 2. Using a high-precision time measurement chip, temperature changes have minimal impact on ultrasonic water meter measurement; 3. Using micro-power circuit design technology, it has ultra-long time Read More

　　The main factors that cause the error of the camera-type water meter calibration platform are as follows: 1. Errors caused by the water meter itself First, the quality of the water meter is unqualified.A water meter is a high-precision measuring instrument.Whether the verification level of the water meter is high or not depends largely on the quality of the components of the water meter.Currently, the types of water meters are very complex and vary widely in materials and operating mechanisms.If the selected water meter material and assembly process are insufficient, it will inevitably have an adverse effect on the verification accuracy of the water meter.In the process of water meter parts assembly and overall structure assembly, if the assembly process is not correct, it will also affect the accuracy of the camera water meter calibration table.For example, a large number of metal burrs are not polished cleanly, the meshing state of the gears is not ideal, and the tightness of the water surface cover is unreasonable, etc., which will have an important impact on the results of the camera water meter calibration platform.Secondly, the camera-type water meter calibration platform will also have a key impact on the accuracy of the verification results.For the error factors caused by the verification device, Read More

　　1. Do a good job in the installation, operation and maintenance management of the camera-type water meter calibration platform. To do a good job in the work of the camera-type water meter calibration platform, the enterprise must strengthen the safety, operation and maintenance management of the water meter and its verification device. This is to ensure that the camera-type water meter The key to the accuracy of the test bench is always at a high level.Enterprises should install water meters and verification devices in strict accordance with the requirements of relevant regulations to avoid serious violations during the installation process.The verification device must ensure the standardization and rationality of the installation.After installation, send it to professionals for quality inspection.The installation position of the verification device has higher requirements.It should be ensured that the verification device can be installed in a sunny area where the air temperature and humidity are controlled within a reasonable range.The temperature should be above 0°C and below 30°C, the ventilation effect is good, and the moisture in the air in the area can be discharged in time.After the camera-type water meter verification platform is installed, the levelness of the verification device must be ensured and it must not be tilted.Enterprises should arrange special personnel to Read More

The new model of the camera water meter can increase the water meter verification efficiency and reduce the difficulty of operation. Accurate reading accurately reading the measured water table is the basic requirement of the intra-camera water meter checking bench, which is a core technology affecting the accuracy of the water meter. The current water meter is mainly divided into mechanical reading and electronic reading. Mechanical reading is the combination of pointers and routine display water meter current water. Read More

Water meter check bench is an instrument for water meter, consisting of sensors and tachometers. Mainly used to detect, maintenance of large-scale automation instruments such as family and business enterprises. It is connected to a digital display by a microprocessing control cartridge at one end; additionally, a power switch and an input / output module (I2C or SPI) are further included. Read More