Product Features:
■ Calculator can be hung at the body or installed separately, the distance of separated installation can reach more than 10 meters,
■ 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,
■ 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), Dual M-Bus/RS485 communication, GPRS/pulse output 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) | 125 | 150 | 200 | 250 | 300 |
Dimensions (mm) | L | 350 | 350 | 350 | 400 | 450 |
D | 250 | 285 | 340 | 405 | 460 |
H | 385 | 415 | 475 | 535 | 590 |
K | 210 | 240 | 295 | 355 | 410 |
n×D1 | 8×Φ18 | 8×Φ22 | 12×Φ22 | 12×Φ26 | 12×Φ26 |
Weight (kg) | 22 | 28 | 34 | 50 | 70 |
Pressure Loss(kPa/qp) | 7 | 6 | 4 | 4 | 4 |
Max Flow Rate qs (m3/h) | 200 | 300 | 500 | 800 | 1200 |
Nominal Flow Rate qp (m3/h) | 100 | 150 | 250 | 400 | 600 |
Nominal Flow Rate : Minimum Flow Rate qp/qi | 100 (50 or 250 optional) |
Channel | Double Channel |
Flow Rate Maximum Reading(m3) | 99999999 |
Heat Maximum Reading (kW·h) | 999999.99 |
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 | ≥6/10 years |
Installation Method | Arbitrary Angle |
Hot (Cold) Carrier | Water |
Temperature Sensor | Pt1000 Platinum Resistance (Pt500 optional) |
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Tel：0631-5684698 
Address：No.576, South of Torch Road, Huancui District, Weihai, Shandong Province,China