Shandong Isentrol Electronic Technology Co., Ltd

G1/2" DN15mm Hall Effect Flow Sensor USN-HE21TA

 G1/2" DN15mm Hall Effect Flow Sensor USN-HE21TA




 Hall Effect Flow Sensor

Model: USN-HE21TA


US: UltiSensor; N: Nylon; H: Hall Sensor; S: Straight; 41:G1/4,6mm; P: Plug; T: Threaded; A: Type A

E: Elbow; T: Threaded; 21: G1/2’; 43: G3/4”; M: female and male thread for inlet and outlet separately; A: Type A

Function: For the sense of the water flow rate on the following equipments: Thermostatic water heater, water purifier, water dispenser, smart card equipment, coffee machine etc.

Calculation Formula: F(Hz)= 8.1*flow rate(Q)-6(l/min)


1. When magnetic material is close with the sensor, its characteristics may vary.

2. In order to avoid particle debris, the sensor must be installed after a filter.

3. The flow sensor installation has to avoid strong vibration and shaking of the environment, so as not to affect the sensor's measurement accuracy.


1.       Nylon material, durable and economical.

2.       Intubation design of inlet and outlet pipe, easy connection and operation;

3.       Imported Hall IC from Japan, stable and reliable;

4.       Range: 1-60L/min;

5.       working voltage: DC3-18V;

6.       rated voltage: DC5V;

7.       Output voltage(rated: DC 5V); High level 4.5V and above; low level 0.5V and below

8.       Pulse output duty cycle: 50+-10%

9.       Insulation resistance: 100M Ohm and above;

10.   Tightness: Seal up all the holes, and inflate with 1.7MPa water, after 1 minute, no leakage and deformation;

11.   -20-80 centigrade;

12.   One year warranty




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