2014new Stego Airflow Monitor

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US $13-20 / Pieces | 100 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
LC 013 / LCF 013
Temperature Sensor
Ultrasonic Sensor
Contact type:
reed / magnet contact
Normally closed (NC):
switch contact open when air is flowing
Normally open (NO):
switch contact closed when air is flowing
Max. switching voltage:
NC: 240VDC (UL), 240V AC/DC (VDE) / NO: 60VDC
Max. switching current:
NC: DC 500mA / NO: DC 170mA
Max. switching capacity:
10W (resistive load)
Switching threshold of airflow velocity:
> 2.5m/s (hysteresis: > 1m/s)
Max. airflow velocity:
Contact resistance:
< 370mOhm (with wire)
Max. air humidity:
70% RH (not precipitating)
50000 Piece/Pieces per Quarter
Packaging & Delivery
Packaging Details
nuetral,also can do as customers'order
Lead Time :
3-5days after getting the payment

2014New Stego Airflow Monitor ,

Airflow Monitor Stego airflow monitor LC013/LCF013 LC013/LCF013


Product Description

 low Monitor/airflow sensor/ airflow meter

1. Mechanical switch contact   Stego airflow monitor LC013/LCF013
2. Versatile fields of application     Stego airflow monitor LC013/LCF013
3. Small size     Stego airflow monitor LC013/LCF013
4. Easy to connect    Stego airflow monitor LC013/LCF013

The airflow monitor (NC/NO) is designed to indicate the loss of air movement of a fan or filter fan. The contact detects the loss of air movement caused by fan failure or blocked filter media regardless of direction of air. Its simple mechanical operation makes is a viable alternative to electronic monitoring systems.    Stego airflow monitor LC013/LCF013


  The LC 013 is used as a signal contact to monitor fans or filter fans in stationary, self-contained Protection Class I enclosures. It can be connected to monitoring systems with remote control or can directly switch alarm devices, such as LED's or signal lamps. Loads with capacities exceeding the indicated switching capacity must be switched via a relay, e.g. our electronic relay SM 010. The airflow monitor with NC contact closes upon loss of air movement, i.e. it indicates fan failure (e.g. red signal lamp). The NO contact closes when fan is in operation and serves as optical function display (e.g. green signal lamp).     Stego airflow monitor LC013/LCF013
Technical Data:

Contact type 

reed / magnet contact

Normally Closed (NC) 

switch contact open when air is flowing

Normally Open (NO) 

switch contact closed when air is flowing

Max. switching voltage 

NC: 240VDC (UL), 240V AC/DC (VDE) / NO: 60VDC

Max.switching current 

NC: DC 500mA / NO: DC 170mA

Max. switching capacity 

10W (resistive load)

Switching threshold of airflow velocity 

>2.5m/s (hysteresis:>1m/s)

Max.airflow velocity 


Contact resistance 

<370m (with wire)

Max. air humidity 

70% RH (not precipitating)

Service life 

>100,000 cycles


2×single strand AWG26, length 500mm, tip of stranded

wire 5mm stripped and tinned (NC:black, NO:blue)


alternatively integrated integrated in protective grille (see table).

mounting clamp or mounting clip


plastic according to UL94-HB, black

Fitting position 

bidirectional tab perpendicular to airflow

Operating / Storage temperature 

-20 to +50°C (-4 to +122°F) / -20 to +80°C (-4 to +176°F)

Protection type 


 Note: The product of switching voltage and switching current must not exceed 10W. The max. voltage and max. current must not be exceeded, not even short-term (voltage/current peaks). The resulting voltage and current peaks of inductive or capacitive loads must be restricted by a contact protection circuit.

Airflow monitor integrated in protective grille:

Stego airflow monitor LC013/LCF013

Stego airflow monitor LC013/LCF013

Example of connection:


Installation notes:

1. The airflow monitor must not be installed in the impact range of permanent magnets or ferrous metals as the built-in permanent magnet will move unintentionally and consequently can not move in dependence with the air flow.
2. A suitable distance from electromagnetic fields, e.g. generated by transformers, motors, etc., must be maintained as otherwise the contact may switch incorrectly with the frequency of the power supply. Interferences must be checked with an oscillograph and the mounting position of the airflow monitor should be adjusted if necessary.
3. Avoid installing the airflow monitors in areas where air pockets or turbulence can be expected.
4. Ambient air with a high dust contect should be avoide.
As there are many different conditions of use, suitability of this product must be assessed by the end user in its final application.

The photos for different parts:

Stego airflow monitor LC013/LCF013




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