Product Features:
■ Internal high capacity 3.6V lithium battery, external optional AC220V or DC24V power supply mode,
■ Can be mounted on supply or on return pipeline and not limited to be mounted in either horizontal or vertical direction, can be installed at any angle,
■ No straight piping requirements for DN15-DN40 meter installation,
■ Compatible with CJ/T 188, MODBUS RTU, GB/T 26831, BACnet, OMS communication protocol,
■ Support optical IrDA, RS485, M-Bus, wireless(NB-IoT, LoRa), GPRS, 4-20mA interfaces, convenient for user to manage data in different manners,
■ Two pulse input function and one pulse output optional,
■ The modular design, support thread and flange two connections,
■ The product conforms to European MID and Chinese CPA certification in line with the European EN1434 and Chinese GB/T 32224-2015 standard. Compatible to the German Heating Association Measurement NOWA protocol.
Technical Parameter:
Nominal Diameter(mm)
| 15
| 20
| 25 | 32 | 40 |
Dimensions (mm) | L | 110 | 110 | 130 | 190 | 130 | 190 | 130 | 190 | 160 | 180 | 200 |
L2 | 204 | 204 | 234 | 294 | 234 | 294 | 234 | 294 | 280 | 300 | 328 |
L1 | 150
| 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 |
H | 105 | 105 | 108 | 108 | 108 | 108 | 108 | 108 | 114 | 114 | 118 |
H1 | 60
| 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
B | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 | 105 |
Meter Screw Thread(inch) | G¾B | G¾B | G1B | G1B | G1B | G1B | G1B | G1B | G1¼B | G1½B | G2B |
Threaded for Union B (inch) | R½ | R½ | R¾ | R¾ | R¾ | R¾ | R¾ | R¾ | R1 | R1¼ | R1½ |
Pressure Loss（kPa/qp） | 14 | 18 | 14 | 14 | 7 | 7 | 14 | 14 | 12 | 11 | 14 |
Nominal Flow Rate qp（m³/h） | 0.6 | 1.5 | 0.6 | 0.6 | 1.5 | 1.5 | 2.5 | 2.5 | 3.5 | 6 | 10 |
Nominal Flow Rate : Minimum Flow Rate qp/qi | 100 (50 or 250 optional) |
Flow Rate Maximum Reading（m³） | 999999.99 |
Heat Maximum Reading（kW·h） | 99999999 |
Accuracy Class | Class 2 |
Maximum Working Pressure | 1.6MPa (2.5MPa optional) |
Heat Consumption Calculation | Start from 0.25K, can be customized |
Protection Level | IP65 |
Temperature Range | (4~95)℃ ((0~150)℃ optional) |
Range of Temperature Difference | (3~60)K ((2~120)K optional) |
Ambient temperature | Class A (5~55) ℃ or class B (-25~55) ℃ or class C or class D optional |
Power Supply | 3.6V lithium battery (220V AC or 24V DC optional) |
Battery Lifetime | ≥10 years |
Installation Method | Arbitrary Angle |
Hot (Cold) Carrier | Water |
Temperature Sensor | Pt1000 Platinum Resistance (Pt500, Pt100 optional) |
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Tel：0631-5684698 
Address：No.576, South of Torch Road, Huancui District, Weihai, Shandong Province,China