Water Meter Sensor Wg112 Gas Meter Zero Power Consumption Wiegand Sensor

Product Description

Product Description
Features
No need the power supply when it works. Bipolar excitation working mode, the sensor outputs a pair of positive and negative electrical pulse signal when the magnetic field polarity changes for a circle.
Only when the external magnetic field polarity changes, magnetic strength reaches the excitation threshold, the sensor will outputs a pulse signal, so the vibration won't happen. The operation is stable and reliable.
The signal amplitude has nothing to do with the magnetic field changing speed, and it can work at the speed near to zero.
The signal processing is simple, and it can be directly connected with transistors, comparators, A/D converter, etc.
The output signal can be remote transmitted by the signal lines, it's suitable for LAN management.
No mechanic contact, no spark, is a kind of intrinsic safety devices.
Wide operating temperature range, strong environmental adaptability.
Performance Index

Name		Symbol	Value	Unit
Excitation strength	Min.	B	3	mT
	Typ.		5~6
	Max.		12
Pulse signal amplitude		Vo	≥1.5	V
Pulse width(in the location of 1V)		τ	10~30	μS
DC internal resistance		Ro	600~800	Ω
Operating frequency	Min.	f	unlimited	kHz
	Max.		10
Operating Temp.		T	-40~+125	ºC
Outline Dimension and Typical installation location		-	See the figure	-
Sensitive silk location(distance to the bottom surface of sensor)		D	2.0(distance to the bottom)	mm
Package		-	Aluminum shell, Epoxy potting	-
External lead		-	Tinned copper hard leads	-

Application
Rotation count: smart water meter, heat meter, gas meter, fuel gauge, flow meter, odometer etc.
Position detection: oil depot level detection, tipping bucket rain gauge, unattended hydrometeorology monitoring.
Electronic switch: explosion-proof switch, ignition switch etc.
Sensor dimension and sensitive silk location
Instruction Example: In the water meter application, the magnetic ring of φ9.5×φ6.0×3.5 mm can be used, it is magnetized in axial direction, a pair of poles. The surface magnetic strength is more than 90 mT, the installation distance from the surface of ring to the bottom of the sensor is about 2.5mm.
Note: The sensor has certain requirements to the magnetic strength, too strong or too weak magnetic field may affect its operation.
If using other material and shape of the magnet, it needs to measure its magnetic field, and adjust the installation distance. Certifications
FAQ
Q: What's your MOQ?
A: MOQ for each item is 1000 pcs for TO-92UA and SOT-89, 3000pcs for SOT-23
Q: What's your warranty?
A: All our products will be 100% tested before shipment and have lifetime warranty.
Q: Can I get a Free Sample?
A: You can ask our staff for applying Free Samples.
Q: Are you a manufacturer ?
A: Yes, we are a manufacturer.
Q: How long is your delivery time?
A: We have different lead times according to the quantity of the order. Usually we have in-stock products within 10 thousand pieces for most parts.
Q: How can I place order?
A: You can contact us by email with your order details.
Q: What payment terms do you accept?
A: We can accept T/T in advance, or Paypal at small amount.
Our Advantages
In May 2003, several Chinese senior experts in magnetic sensors field jointly invest to establish "Nanjing AH Electronic Science & Technology Co., Ltd" by themselves' technology and market advantages. The company is specialized in researching and developing, designing and manufacturing and selling Hall IC, Zero power consumption sensor and their application products.

Packaging & Shipping

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