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Brand Name |
NWM |
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Model |
SJ-LFC (FD2) |
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Type |
Single jet |
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Body Material |
Brass |
|
Ratio |
Class C/R160 |
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Size |
Dn15/20/25/32 |
|
Customized Support |
OEM, ODM |
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Communication Port |
Reed Switch/LoRa/LoRaWAN /NB-IoT |
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Installation Mode |
Horizontal installation |
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Temperature Class |
T30 (cold water)/T50 |
|
Pressure Rating |
MAP16 |
|
Certificate |
CE/MID 2014/32/EU |
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Place of Origin |
Ningbo, China |
|
Warranty |
2 years |
NWM SJ-LFC is an IMPELLER (turbine) water meter with mechanical transmission, liquid-protected water meter register for residential applications with sizes from Dn15 to Dn32 designed and manufactured by NWM and meets the requirements of Directive 2014/32/EU on measuring instruments; the European Standard EN14154+A1+A2:Water Meter; the International Organization of Legal Metrology OIML R-49: 2006(E): Water meters intended for the metering of cold potable water.
● All the Materials in contact with water, consciously selected by the known resistance to corrosion;
● Cold water meter under current standard for lower than 30℃(T30), but NWM SJ-LFC can be used safely in water temperature up to 50℃(T50);
● The rollers of the water meter register are hermetically sealed by special liquid don't touch with the water which ensures the clear reading in any operating conditions;
● The Impeller is the only moving parts in contact with water permitting the most reliable;
● The mechanical transmission movement with the maximum reliability.
Metrology
Max Permission Error
a.In the lower zone (Q1≤Q≤Q2): maximum permission error is ±5%;
b.In the upper zone (Q2≤Q≤Q4): maximum permission error is ±2%( T≤30℃), maximum permission error is ±3% (30℃
Pressure Loss
http://www.nbwatermeters.com/