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 can be mounted in either horizontal or vertical direction to satisfy users’ demands,
■ 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)
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
Dimensions
(mm)
|
L
|
350
|
350
|
350
|
400
|
450
|
500
|
550
|
600
|
650
|
650
|
|
D
|
250
|
285
|
340
|
405
|
460
|
520
|
580
|
640
|
715
|
840
|
|
H
|
490
|
520
|
580
|
650
|
700
|
755
|
810
|
870
|
930
|
1070
|
|
K
|
210
|
240
|
295
|
355
|
410
|
470
|
525
|
585
|
650
|
770
|
|
N×ΦD1
|
8×Φ18
|
8×Φ22
|
12×Φ22
|
12×Φ26
|
12×Φ26
|
16×Φ26
|
16×Φ30
|
20×Φ30
|
20×Φ33
|
20×Φ36
|
|
Max Flow Rate qs
|
200
|
300
|
500
|
800
|
1200
|
1600
|
2000
|
2600
|
3200
|
4600
|
|
Nominal Flow Rate qp (m3/h)
|
100
|
150
|
250
|
400
|
600
|
800
|
1000
|
1300
|
1600
|
2300
|
|
Nominal Flow Rate : Minimum Flow Rate
qp/qi
|
50:1, 100:1 optional
|
|
Channel
|
Double Channel
|
|
Flow Rate Maximum Reading(m3)
|
99999999
|
|
Heat Maximum Reading
（MW·h）
|
999999.99
|
|
Accuracy Class
|
Class 2 or Class 3
|
|
Pressure Loss（kPa/qp）
|
＜10
|
|
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)℃ ((1~150)℃ optional)
|
|
Range of Temperature Difference
|
（3~60）K ((2~120)K optional)
|
|
Ambient temperature
|
Class A (5~55) ℃ or class B (-25~55) ℃
|
|
Power Supply
|
3.6V lithium battery, 220V AC (or 24V DC optional)
|
|
Battery Lifetime
|
≥8 years
|
|
Installation Method
|
Horizontal or Vertical Direction
|
|
Hot (Cold) Carrier
|
Water
|
|
Temperature Sensor
|
Pt1000 Platinum Resistance
|
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Tel：0631-5684698 
Address：No.576, South of Torch Road, Huancui District, Weihai, Shandong Province,China