I ,  summary The calibration device is made of high quality 304 stainless steel materials, surface polishing processing, clamping device, discharge mechanism using tap water as hydraulic source, using the two position four way directional control valve, regulating the flow of copper with stainless steel ball valve core, which has the advantages of high precision, compact structure, long service life, convenient operation, simple maintenance and other advantages of this product. Users are responsible for one year. Our products are of reliable quality, the implementation of abide by the contract, the customer first,  enjoy preferential price according orders. Welcome to contact. Ii ,  main technical parameters 1, calibration device accuracy: level 0.2. 2, measured water meter caliber: 15-5, 20-5, 25-5 only, ( 32), 40-1 Only, 50-1 only. 3, measurable water meter technical indicators: for the full performance test Or the production of water meter repair. 4, instantaneous flow indicator adopts glass rotor flowmeter group, the Measured accuracy is not less than 2.5% Specific model specifications are as follows: Lzb-15 4-90l/h, lzb-25 70-800l/h. Or use special specifications. Lzb-50 450-8000l/h, 15-50mm water meter calibration device plus one Lzb-80 7-31.5m3/h. 5, workload volume: 30 liter graduated cylinder one 300 liter graduated cylinder one 6, the use of water work pressure: 0.3-0.5mpa. 7, clamping device telescopic distance is: 15-25mm calibration device for 50mm, 15-50mm calibration device 60mm.