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Contactless IC Card Heat Energy Meter ISM-035

General Instruction
Contactless IC Card Heat Energy Meter can measure heat power passed through pipes. It is more advanced than RLB since it is prepaid and use RF card to activate meter. It consists of flow sensor, microprocessor, temperature sensor and prepaid module. It also can be used to measure cold power if connect temperature sensors reversely.

Characteristics
1. Prepaid, RF card, waterproof and reliable performance.
2. Latest patent technique of wireless digital monitoring to supervise and calculate heat power.
3. No mechanic gears, no magnetism sensor, wear resistance, anti-corrosive and anti-attack.
4. Alarming when low voltage.
5. Alarming when temperature sensor is disconnected or in case of short circuit.
6. Flow rate has 8 levels and can be separately adjusted automatically, high accuracy.
7. Smart lower power consumption according to flow speed.
8. Update online.
9. Data backup and automatic correction.
10. Ultra-low energy consumption.
11. Electric floating ball valve patent technique.
 
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℃
Max Temperature Difference
90
Min Display Temperature
0.1
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 or Grade
Alarm kWh
1000kWh
Pressure Resistance
1.6MPa

 

Model
ISM-035--- measure by hour unit, DN15/20/25
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