Split flow meter| Shanxi water flow meter manufacturer

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1. National standard for instrument calibration cycle

The national standard for instrument calibration cycle is as follows: Spring tube precision pressure gauge: Maximum calibration cycle: 1 year, according to JJG4 "Verification Regulations for Elastic Element Precision Pressure Gauge and Vacuum Gauge". Spring tube general pressure gauge: The longest calibration cycle is six months, according to JJG522013 "Verification Regulations for Spring tube General Pressure Gauge, Pressure Gauge Vacuum Gauge and Vacuum Gauge Reading Wheel". Automatic balanced display instrument: Maximum calibration cycle: six months, according to JJG742005 "Calibration Regulations for Industrial Process Measurement Recorders". Working glass liquid thermometer: Maximum calibration cycle: 1 year, according to JJG1302011 "Verification Regulations for Working Glass Liquid Level Thermometers". Velocity flowmeter: 0.

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2. Level 0.5 flowmeter and splitter rotor flowmeter: The longest calibration cycle is 1 year. Turbines, vortex streets, swirl vortices, and electromagnetic flow meters below level 0.5: The longest calibration cycle is 2 years. Ultrasonic and laser Doppler flow meters below level 0.5: The longest calibration cycle is 3 years, according to JJG14 "Verification Regulations for Velocity Flow Meters". Bimetallic thermometer: Maximum calibration cycle: 1 year, according to JJG2262001 "Verification Regulations for Bimetallic Thermometers". Industrial platinum and copper thermistors: Maximum calibration cycle: 1 year, according to JJG22 "Verification Regulations for Industrial Platinum and Copper Thermistors". Low cost metal thermocouples for work: The longest calibration cycle is six months, according to JJG3511996 "Cali

bration Regulations for Industrial Low cost Metal Thermocouples". Pressure controller: Maximum calibration cycle: 1 year, according to JJG5442011 "Pressure Controller Calibration Regulations". Digital temperature indicator regulator: Maximum calibration cycle: 1 year, according to JJG6171996 "Verification Regulations for Digital Temperature Indicator Regulators". Differential pressure flowmeter: Geometric inspection method and coefficient method for calibrating throttling devices or sensors: The longest calibration cycle is 2 years. Geometric verification method for measuring standard nozzles for single-phase clean fluids: The longest verification period is 4 years. Differential pressure gauge or differential pressure transmitter in differential pressure flowmeter: The longest calibration cycle is 1 year, according to JJG6402016 "Verification Regulations for Differential Pressure Flowmeters". Liquid volumetric flowmeter: waist wheel, gear, scraper and other flowmeters used for trade settlement: the longest calibration cycle is six months. Flow meters with harsh usage conditions and better than level 0.5, such as Zailvxin, have a maximum calibration cycle of six months. Other flow meters: The longest calibration cycle is 1 year, according to JJG6672010 "Verification Regulations for Liquid Volume Flow Meters". Working vibration meter: Maximum calibration cycle: 1 year, according to JJG6762000 "Working Vibration Meter Calibration Regulations". Combustible gas detection alarm: Maximum calibration cycle: 1 year, according to JJG61 "Verification Regulations for Combustible Gas Detection Alarm". Pressure transmitter: Maximum calibration cycle: 1 year, according to JJG8822015 "Pressure Transmitter Calibration Regulations". Level

Split flow meter

1. National standard for instrument calibration cycle

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