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LARGE DIAMETER PHOTOELECTRIC DIRECT READING WATER METER
Classification:
Keyword: Water Meters
Detailed
DESCRIPTION
Large diameter photoelectric direct reading water meter is a kind of equipment which uses photoelectric technology to directly read the data of the water meter’s character wheel,it avoids the data drift or error which may occur with the traditional impulse type water meters,ensuring the accuracy of reading.This kind of water meter usually uses the measurement structure of rotary type,which has the characteristics of high measurement accuracy, small initial flow rate, convenient meter reading, and beautiful appearance.
MAIN TECHNICAL DATA
|
Size DN |
Ratio |
Overload Flow Q4 |
Nominal Flow Q3 |
Transitional Flow Q2 |
Minimum Flow Q1 |
|
m³/h |
|||||
|
80 |
Q4/Q3= 1.25 Q3/Q1=50 Q2/Q1=4 |
78.75 |
63 |
5 |
1.26 |
|
100 |
125 |
100 |
8 |
2 |
|
|
125 |
200 |
160 |
12.8 |
3.2 |
|
|
150 |
312.5 |
250 |
20 |
5 |
|
|
200 |
500 |
400 |
32 |
8 |
|
|
250 |
787.5 |
630 |
50 |
12.6 |
|
|
300 |
1250 |
1000 |
80 |
20 |
|
|
|
|||||
|
The maximum allowable error for the low region (Q1≤Q<Q2) is ±5%, The maximum allowable error for the high region (Q2≤Q≤Q4) is ±2%. |
|||||
DIMENSIONS
|
Size DN |
Ratio |
Overload Flow Q4 |
Nominal Flow Q3 |
Transitional Flow Q2 |
Minimum Flow Q1 |
|
m³/h |
|||||
|
80 |
Q4/Q3= 1.25 Q3/Q1=50 Q2/Q1=4 |
78.75 |
63 |
5 |
1.26 |
|
100 |
125 |
100 |
8 |
2 |
|
|
125 |
200 |
160 |
12.8 |
3.2 |
|
|
150 |
312.5 |
250 |
20 |
5 |
|
|
200 |
500 |
400 |
32 |
8 |
|
|
250 |
787.5 |
630 |
50 |
12.6 |
|
|
300 |
1250 |
1000 |
80 |
20 |
|
|
|
|||||
|
The maximum allowable error for the low region (Q1≤Q<Q2) is ±5%, The maximum allowable error for the high region (Q2≤Q≤Q4) is ±2%. |
|||||
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CONTACT
Ningbo Hongrong Instrument Co.,Ltd
Sales phone number: +86-19045850677
WeChat ID: +86-13656749777
Contact person: Zhu Jiuren
Email: zhu@ningbohongrong.com
After sales hotline: +86-13857870997
Contact person: Yuan Rong
Email: yr@ningbohongrong.com
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