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Features
1. Latest patent technique of wireless digital monitoring to supervise and calculate heat power.
2. No mechanic gears, no magnetism sensor, wear resistance, anti-corrosive and anti-attack.
3. Alarming when low voltage.
4. Alarming when temperature sensor is disconnected or in case of short circuit.
5. Flow has 8 levels and can be separately adjusted automatically, high accuracy.
6. Smart lower power consumption according to flow speed.
7. Update online.
8. Data backup and automatic correction.
9. Ultra-low energy consumption.
Standard
European Standard EN1434 and 01ML-R75 International Standard
CJ128-2000 Heat Meter Issued by State Construction Department of China
Technique Specifications
Flow Sensor | Caliber | Common Flow Rate | Min Flow Rate | Max Flow Rate | |
15mm | 1500L/h | 30L/h | 3000L/h | ||
20mm | 2500L/h | 50L/h | 5000L/h | ||
25mm | 3500L/h | 70L/h | 7000L/h | ||
Min Flow Rate for Display: 0.01m3 (working state) 0.00001m3(testing state) | |||||
Min Heat Power for Display: 1kWh (working state) 0.001kWh (testing state) | |||||
Working Condition of Temperature Sensor | Min Temperature Difference | 1 or 3 Celsius | |||
Max Temperature Difference | 90 Celsius | ||||
Min Display Temperature | 0.1 Celsius | ||||
Static Working Current | < 7μA | ||||
Battery Service Life | > 5 years | ||||
Digit Number of LCD | 8 numbers | ||||
Max Accumulated Working Time | 4.2x109 hours (Meter only displays final 8 numbers when accumulated working time is more than 99999999 hours) | ||||
Max Accumulated Flow Rate | 4.2x109 m3(Meter only displays final 8 numbers when accumulated flow rate is more than 999999.99m3) | ||||
Accuracy | Grade B or Grade C | ||||
Pressure Resistance | 1.6MPa | ||||
Pressure Loss | ≤0.025MPa | ||||
Radiator Heat Meter, Heat Meter for Radiators