1. 1 Flow meter specification, basic parameters and performance index(Table 1)
1. 2 Sensor precision: ±0. 5%±1%
1. 3 Operating condition:
a Ambient temperature: -20+50
b Medium temperature: 5%~95%
c Mixing ratio:
1. 4 Electrical specification index
A. Filed indication(Built in lithium battery)inner power supplier, a couple of 3 volt lithium batteries in paralleling, normal working at battery voltage between 2. 7-3v. When the voltage < 2. 7v, display under-voltage index margin, anti-detonation type.
B. Impulse output type : External power supplier+12VDC or +24VDC. Remote connected with computer collector, remote distance 250m, plain type and anti-detonation type.
C. 4-20mA output type: External power supplier+24VDC (double line). Remote connected with computer collector, remote distance 500m, anti-detonation type.
D. Sub-body remote indication: External power supplier~220VAC, intelligent indicator remote connected with instrument cabinet.
E. Sub-body remote indication(with 4-20mA)output: External power supplier~220VAC, intelligent indicator remote connected with instrument cabinet, additional 4-20mA output connected with computer.
Technical parameters
|
Type |
Normal flow capacity m3/h |
Lower limit extended range m3/h |
Operation pressure MPa |
G Operation pressure MPa |
Z Operation pressure MPa |
D Operation pressure MPa |
Nominal diameter MM |
|
LW4 |
0. 04-0. 25 |
6. 4 |
2. 5 |
4 | |||
|
LW6 |
0. 1-0. 6 |
6. 4 |
2. 5 |
6 | |||
|
LW10 |
0. 2-1. 2 |
25 |
25 |
2. 5 |
10 | ||
|
LW15 |
0. 7-6 |
0. 6-6 |
32 |
32 |
6. 4 |
2. 5 |
15 |
|
LW20 |
0. 7-8 |
0. 6-8 |
25 |
25 |
6. 4 |
2. 5 |
20 |
|
LW25 |
1. 2-10 |
1-10 |
5025 |
50 |
6. 4 |
2. 5 |
25 |
|
LW40 |
2. 5-20 |
2-20 |
5025 |
50 |
6. 4 |
2. 5 |
40 |
|
LW50 |
5-40 |
4-40 |
502. 5 |
50 |
6. 4 |
2. 5 |
50 |
|
LW65 |
7-70 |
7-70 |
2. 5 |
6. 4 |
2. 5 |
65 | |
|
LW80 |
12-100 |
10-100 |
322. 5 |
32 |
6. 4 |
2. 5 |
80 |
|
LW100 |
25-200 |
20-200 |
322. 5 |
6. 4 |
2. 5 |
100 | |
|
LW125 |
30-300 |
30-300 |
2. 5 |
2. 5 |
125 | ||
|
LW150 |
50-400 |
40-400 |
2. 51. 6 |
6. 4 |
2. 5 |
150 | |
|
LW200 |
100-800 |
80-800 |
2. 51. 6 |
6. 4 |
2. 5 |
200 | |
|
LW250 |
150-1200 |
120-1200 |
2. 51. 6 |
6. 4 |
2. 5 |
150 | |
|
LW300 |
300-2500 |
250-2500 |
1. 6 |
6. 4 |
2. 5 |
300 |
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