EGE Air Flow Controllers Automation Flow Sensors are defined by their quick response and reliable function. The applied function principle does not require any moveable parts for the airflow controllers, which is why they are well-suited for use in aggressive environments. Airflow controllers are available for flows from 0.2 m/s to 25 m/s. The function of the flow controller is based on the thermodynamic principle. The sensor is heated internally a few degrees °C compared to the medium into which it projects. When the medium flows, the heat generated in the sensor is conducted away by the medium, i. e. the sensor cools down. The temperature within the sensor is measured and compared to the temperature of the medium. The state of flow can be derived for each medium by the temperature difference attained.

Features

Probes high temperature 120 °C
Compact models with analog output Series SNS 450 / SN 450< 2%
Inline-Compact Series SDN / SDNC / SDNC with IO-Link
Special-Probe Food / Pharma Series SCB / STB / STC

Applications

Monitoring of cooling
Monitoring of flow medium
Monitoring of process flow

Specifications

Design	Ø 20 mm		M18x1
Detection range [m/s]	0.5…15		0.5…15
Output	PNP	4…20 mA	PNP	4…20 mA
ID-No.	P11096	P11097	P11237	P11240
Type	LN 520 GSP	LN 520 GA	LG 518 GSP	LG 518 GA
Supply voltage [V]	24 DC ±20%	24 DC ±20%	24 DC ±20%	24 DC ±20%
Current consumption [mA]	< 70	< 70	< 70	< 70
Switching current max [mA]	200	–	200	–
Load RL [Ω]	–	200…500	–	200…500
Ambient temperature [ºC]	– 20…+70
Temperature gradient [K/min]	200 (>10 m/s)
Start-up time [s]	20…40
Reaction time typ. [s]	2	3	2	3
Hosuing material	PBT	PBT	PBT / Br-Ni	PBT / Br-Ni
Display flow	LED
Protection [EN 60529]	IP 67
Connection	2 m PVC-cable 3×0.5 mm²v