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150
1.25
2
250
312.5
300
325
240
280
8*M20
200
3.2
5.12
400
500
345
455
295
335
12*M20
250
5.04
8.06
630
787.5
445
515
335
405
12*M24
300
8
12.8
1000
1250
500
575
410
460
12*M24
400
12.8
20.5
1600
2000
600
670
525
580
16*M27
Pressure Loss
△
P
≤63 KPa
MAP
1.0 MPa
Water temperature range
0.1 to 30°C,0.1 to 50°C
Q3/Q1
DN50
～
DN150
：
Q3/Q1(125 or 200)
DN150~DN400: Q3/Q1=125
Accuracy
Class 2
Maximum permissible
error in upper flow rates
range Q2
Q
Q4
2 %(at Θ ≤ 30°C)
3% (at Θ > 30°C)
Maximum permissible
error in lower flow rates
range Q1
Q < Q2
5%
Scale interval(m
3
)
0.01
Capacity of calculator
99999 99,999
Type of liquid
Water
Installation requirements
Min. 5*DN length of straight pipe before the meter, and Min. 3*DN
length of straight pipe after the meter (DN is the diameter of meter)
Basic mounting
orientation and other
specified orientations
Horizontal/Vertical
Display & Indication
Display unit options
M
3
, L
Display LCD
9-digit
Volume
0.01m
3
Time to LCD off
LCD on all the time
Environmental Requirement
Environmental Class
E1, M1
Ambient temperature
5 ~ 55°C (Indoor and non-condensing)