The operation description of the two reed switches system
Please see the diagram of the two reed switches system below, the two reed switches woud be operated "ON" OR"OFF" respectively by the magnet fitted to the pointer or gear during its running on the register,but never "ON" at the same time ,unless the out- magnet attackes.The two reed switches operate two "ON" and two "OFF" in one round of the pointer or thegear means one signal output,this principle prevent the loss or overcounting of the signal output due to the switches joggling or the pipe vibrating ,so assures reliability of the signal output.
Description:
1 liter/pulse, reed switch for DN15
1 liter/pulse, reed switch for DN20
1 liter/pulse, reed switch for DN25
Accuracy is Class B, ISO4064
Specification:
| Meter size |
Class |
Qs(q4)Overload Flow |
Qp(q3) Nominal Flow |
Qt(q2) Transitional Flow |
Qmin (q1)Min Flow |
Min Reading Lectura |
Max Reading Lectura |
| Dia DN (mm) |
|
L/h |
|
| 13 |
A |
3 |
1.5 |
150 |
60 |
0.0001 |
99999 |
| B |
120 |
30 |
| 20 |
A |
5 |
2.5 |
250 |
100 |
0.0001 |
99999 |
| B |
200 |
50 |
| 25 |
A |
7 |
3.5 |
350 |
140 |
0.0001 |
99999 |
There has 3 wires, 3 wires are signal output. Wire length 1.5m
Working condition:
Water temperature:≤50°C for cold water meter
Water temperature:≤90°C for hot water meter
Working pressure:≤1.6Mpa
If you are interested in our water meter, please feel free to contact us!
Kensliu
Audited Supplier 
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