Product Features:
■ Internal high capacity 3.6V lithium battery, external optional AC220V or DC24V power supply mode,
■ Special meter lever design to improve measuring accuracy & stability and reduce the requirement for straight piping during installation,
■ The calculator is designed with an elevation angle of 45°, satisfy users for data reading from multiple angles of front, top and bottom,
■ Protection Level is IP68,
■ 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,
■ Compatible with CJ/T 188, MODBUS RTU, GB/T 26831 communication protocol,
■ Support optical IrDA, RS485, M-Bus,wireless (NB-IoT, LoRa) interfaces, convenient for user to manage data in different manners,
■ 4-20 mA output mode optional,
■ Compatible to the German Heating Association Measurement NOWA protocol.
Technical Parameter:
Nominal Diameter（mm） | 50 | 65 | 80 | 100 |
Dimensions（mm） | L | 200 | 200 | 225 | 250 |
D | 165 | 185 | 200 | 220 |
H | 350 | 360 | 380 | 395 |
K | 125 | 145 | 160 | 180 |
n×D1 | 4×Φ18 | 4×Φ18 | 4×Φ18 | 4×Φ18 |
Weight（kg） | 8 | 9 | 12 | 15 |
Pressure Loss（kPa/qp） | 4 | 6 | 9 | 11 |
Max Flow Rate qs（m3/h） | 30 | 50 | 80 | 120 |
Nominal Flow Rate qp（m3/h） | 15 | 25 | 40 | 60 |
Nominal Flow Rate : Minimum Flow Rate qp/qi | 50（100 or 250 optional） |
Channel | Double Channel |
Flow Rate Maximum Reading（m3） | 9999999.9 |
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 | IP68 |
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 | ≥8 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