Brand Name: AHNJ
Model Number: WG214
Place of Origin: Nanjing, China
Product Description
1. No need the power supply when it works.
2. 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.
3. 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.
4. The signal amplitude has nothing to do with the magnetic field changing speed, and it can work at the speed near to zero.
5. The signal processing is simple, and it can be directly connected with transistors, comparators, A/D converter, etc.
6. The output signal can be remote transmitted by the signal lines, it's suitable for LAN management.
7. No mechanic contact, no spark, is a kind of intrinsic safety devices.
8. Wide operating temperature range, strong environmental adaptability.
The Choosing Guide for Zero Power Consumption Magnetic Sensor
| Model | Signal Type Zero Power Consumption Sensor | Power Type Zero Power Consumption Sensor | ||||||||||
| WG112 | WG113A | WG214 | WG215 | WG311 | WG314 | WG315 | WG711 | WG611 | WG612 | WG621 | ||
| Magnetic induction strength B(mT) | Min. | 3 | 2.5 | 3 | 5 | 3 | 5 | |||||
| Optimal | 5~6 | 7~8 | 5~6 | 7~8 | 5~6 | 7~8 | ||||||
| Max. | 12 | 15 | 12 | 12 | ||||||||
| Output amplitude Vo(V) | ≥1.5 | ≥2.0 | ≥1.5 | ≥3.0 | ≥6.0 | 20~50 | ||||||
| Pulse width τ(μS) | 10~30 | 30~40 | 30~50 | |||||||||
| DC resistance (Typical values) Ro(Ω) | 700 | 1000 | 750 | 700 | 1500 | 650 | 1300 | 900 | 700 | 600 | 1400 | |
| Operating Frequency F(kHz) | Min. | Not limited | Not limited | |||||||||
| Max. | 10 | 5 | 1 | |||||||||
| Operating temperature T(ºC) | Min. | -40 | -20 | -40 | -40 | |||||||
| Max. | 125 | 85 | 125 | 100 | 210 | 100 | ||||||
| Overall dimension (mm) | 12.8×4.5×4.5 | 12×7.2×8 | φ4×11.5 | φ3.3×22 | φ5×11.5 | 24×6×6 | 24×9×9 | 18×6.7×11.8 | ||||
| Sensitive wire position (mm) | Distance bottom surface of sensor 2mm | Distance bottom surface of sensor 2.5mm | - | Central axis | Central axis | |||||||
| Package | Plastic housing, Epoxy potting | Aluminum housing, Epoxy potting | Thermal casing | Clinker housing, Epoxy potting | Plastic housing, Epoxy potting | |||||||
| Outer lead | Tinned copper, hard lead wire | Resistant high temperature soft lead wire | Tinned copper | Tinned copper, hard lead wire | ||||||||
| Main applications | Water meter, Heat meter | Large caliber water | Heat meter | Water flow rate sensor | Flowmeter switch | Industrial flowmeter, pulse signal generator | Industrial flowmeter | Encoder transient power supply | ||||
| Note 1: Special specification can be customized. | ||||||||||||
| Note 2: 1 mT= 10 Gs | ||||||||||||
Verified Supplier - Nanjing AH Electronic Science & Technology
Bussiness Type: Manufacturer,Trading Company 
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