Home PRODUCTS Water Flow Calibration Device Series DN15-25 Water Flow Calibration Device Series DN15-25 Fully Automatic Water Flow Calibration Device ( Mass Method+Standard Meter Method)

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DN15-25 Fully Automatic Water Flow Calibration Device ( Mass Method+Standard Meter Method)

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Product Description

	Water Flow Calibration Device, Urel ≤ 0.05% (k=2)
Flow Stability	1.0% for Start-Stop Method; 0.2% for Other Methods
Calibration Medium	Pure Tap Water
Operating Humidity	Humidity: ≤ 93% RH
Operating Water Temperature	20℃ ± 10℃
Water Temperature Fluctuation in Single Measurement	Water Temperature Fluctuation in Single Measurement
Water Fluctuation Coefficient in Single Cycle	≤ ±0.1%
Water Source Operating Pressure	0.0-0.5 MPa (Adjustable)
Air Source Operating Pressure	0.4-0.7 MPa
Device Operating Temperature	4˜50℃
Number of Meters Under Test	DN15: 10 units \| DN20: 8 units \| DN25: 6 units \| Vertical Water Meters (DN15, DN20, DN25): 6 units
Water Pump	Nanfang CHM10-50, Flow Rate: 8 m³/h, Head: 48 m, 1 unit
Water Tank	800 L
Reverser	DN25 Cross-Type Pneumatic Open Reverser, Low Noise & High Sensitivity, Stroke Difference < 10 ms, Uncertainty ≤ 0.002%
Meter Clamping Mechanism	Dual-Cylinder External-Push Tandem Meter Clamping Device; Single Pneumatic Clamping Device for 10 Front & 5 Rear Positions
Water Meter Tightness Test	Pressure Range: (0˜2.0) MPa
Nominal Diameter	Φ50 mm, Telescopic Stroke ≥ 80 mm
Timer	(10-100) kHz (Adjustable); Accuracy Better Than 10⁻⁶
Calibration Signal	Pulse, f = (0˜10) kHz
Vacuum System	Differential-Pressure Vacuum Generator, Vacuum Priming, Maintains Water Meters in Full-Water State
Supported Test Modes	Fully Automatic, Semi-Automatic, Touchscreen Manual
Data Acquisition Devices	16 Mobile Phones (Camera Resolution ≥ 40 Million Pixels)
Standard Device	Mass Method+Standard Meter Method
Flow Range	（0.010-8）m³/h 1
Calibration Methods	Start-Stop Method	Reversal Method	Flow-Time Method	Quantity
Electromagnetic Flowmeter Standard Meter Standard (0.2-0.3 Grade)	DN2：3-90L/H			1
	DN10：20-500L/H			1
	DN25：500-8000L/H			1
Electronic Scale Mass Method Standard	①Max=30kg，6000e			1
	②Max=150kg，15000d			1
This plan is for reference only; customized solutions can be provided according to customer requirements.