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Common Heat Energy Meter ISM-033

General Instruction
Common Heat Energy Meter can measure heat power passed through pipes. It consists of flow sensor, microprocessor and temperature sensor. Microprocessor obtains flow signals through flow sensor and signals of water temperature at the entrance or exit by temperature measuring circuit, and then it will calculate the released heat power by heat-carrying liquid according to the standard of heat calculation formula. It also can be used to measure cold power if connect temperature sensors reversely.

Characteristics
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℃
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
Pressure Resistance
1.6MPa
Pressure Loss
≤0.025MPa

 

Model
ISM-033---common heat meter, LCD display, DN15/20/25/32/40/50/65/80/100/125/150/200
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