Liquid Flow Test Systems

Gravimetric Water Meter Verification System

Name: Gravimetric Water Meter Verification System
Brand: Haiyan Meijie Testing Instrument Co., Ltd.

Model: MJ3210-10

MJ3210-10 Gravimetric Water Meter Verification System. Used for cold water meter verification, testing, and durability tests, including gravimetric systems and life/reliability benches. The technical specifications below are translated from Meijie's official product details.

Technical Specifications

Model: MJ3210-10
1. System accuracy class: class 0.2. (certificate issued by a provincial or higher metrology verification authority)
2. Measuring range: nominal size: DN(15-25); Flow: (0.004-8)m³/h; water temperature: (20±5)℃.
3. The system uses weighing method, reversible, start/stop capable;
4. Main standard instrument: uses Inteco brand;
Electronic scale(30kg, verification scale interval1/6000, integrated single weighing platform);
Electronic scale(150kg, verification scale interval1/7500, integrated single weighing platform);
5. Electromagnetic flowmeter: 2 units, Flow range: (0.004-8)m³/h, accuracy class: class 0.5; (Yokogawa EJA brand, Japan)
6. Temperature sensor: Temperature range: (0~50)℃, maximum permissible error: ±0.2℃; (Germany JUMO brand)
7. Pressure sensor: Pressure range: (0-1.6)MPa, accuracy class: class 1.6; (Germany JUMO brand)
8. Chiller unit: cooling water capacity: determined by the tank and piping, water temperature control range: (20±5)℃, cooling speed: 5℃/h.
9. Meter sizes under test: DN15, DN20, DN25 cold water meters.
10. Official parameter: Official parameter: 3, , 10D.
11. Official parameter: , ; (3); (, ).
12. Official parameter: , .
13. Official parameter: , , , , ;.
14. Official parameter: .

Applications

Water meter verification / Water meter R&D / Type evaluation