Cold Hot Heat Flow Meter Measuring Devices with pulse output
Cold Hot Heat Flow Meter Measuring Devices
CRL-H series DN15mm~DN40mm
Application:
It is used in living buildings, houses to measure the heating and cooling for billing purpose.
Features:
♦ High in accuracy and stability.
♦ Without mechanical moving parts.
♦ It is unaffected by poor quality of water and the maintenance cost is lower.
♦ Battery powered. The battery life is over 10 years.
♦ It supports Photoelectric, RS-485 and M-BUS output interfaces
♦ The meter can be mounted at different angles on pipe.
♦ Heat or cool measurement is both ok.
| Item | Parameter | ||||||||
| Nominal Diameter(mm) | DN15 | DN20 | DN25 | DN32 | DN40 | ||||
| Dynamic Range | 50 | 100 | 50 | 100 | 100 | 50 | 100 | 50 | 50 |
| Permanent flow rate, Q3 (m³/h) | 1.0 | 1.5 | 1.5 | 1.5 | 2.5 | 3.5 | 3.5 | 6 | 10 |
| Min. flow rate, Q1 (m³/h) | 0.02 | 0.015 | 0.03 | 0.015 | 0.025 | 0.07 | 0.035 | 0.12 | 0.2 |
| Max. flow rate (m³/h) | 2.0 | 3.0 | 3.0 | 3.0 | 5.0 | 7.0 | 7.0 | 12 | 20 |
| Temperature Range (℃) | 4~95 | ||||||||
| Temperature Difference (K) | 3~70(Mim.value of ex-factory is 0.2) | ||||||||
| Min. Temperature Pair Error (℃) | -0.1~+0.1 | ||||||||
| Max. Admissible Working Pressure (MPa) | 1.6 MPa | ||||||||
| Accuracy | Class 2 | ||||||||
| Type of Temperature Sensor | Pt1000, DIN/IEC751B | ||||||||
| Ambient Class | Class A | ||||||||
| Type of Communication | M-BUS/RS-485, Photoelectric interface | ||||||||
| Display |
LCD 8-digit+ prompting character; Thermal power: KW Cumulative heat quantity: kW·h or MJ(Display Range:0~9999999.9), Instantaneous flow rate: m³ /h, Cumulative volume: m³, Supply water temperature, ℃, Return water temperature: ℃, Temperature Difference (K), Total operating time:h Date: Y/M/D, Clock: h/m/s |
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| Display resolution | Heat quantity: 0.1kW·h or 1MJ, Total volume: 0.001 m³ ; Temperature: 0.01℃; Temperature difference: 0.01K |
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| Data Storage(EEPROM) | Heat quantity, total volume and corresponding time and the Max. thermal power of the current month stored by month. Latest 24 month’s data can be stored. |
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| Storage Temperature | -25℃~+55℃ | ||||||||
| Weight (kg) | 0.94 | 0.94 | 1.02 | 1.02 | 1.02 | 1.91 | 1.91 | 2.65 | 3.32 |
| Pressure Loss at Permanent flow rate(MPa) | ≤0.025 | ||||||||
| Cable Length of Temperature Sensor (m) |
1.3(The supply water temperature sensor shall be installed on the flow transducer before delivery) |
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| Mounting position of meter | On supply water pipe | ||||||||
| Power Supply | Battery-powered with service life over 10 years | ||||||||
20 pieces in one carton
Tangshan Huizhong Instrumentation Co., LTD is currently China’s R&D and manufacture base of series ultrasonic heat meters,
water meters and flowmeters and related systems. It is also a new and hi-tech and software enterprise of Hebei province.
Huizhong Instrumentation Co.,Ltd.
www.hzyb.com
Alice Bai
Skype: alicebj69
Whatsap:+ 86 15032597010
Tel: + 86 315 3208504
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