Audited Supplier
AH-002A is made of food grade material, and it can be worked under 100º C water temperature.
AH-002B is made of environmentally friendly materials, and it can be worked under 85º C water temperature.
Wide operating voltage range
Stable square wave signal
No external circuit
No need customer to install a magnetic field
Regular appliction
Water dispensing machine, coffee machine etc small appliances flow amount and flow rate detection.
Outline
Straight-through Hall Flow Sensor AH-002A/B is based on Hall effect element, simple to use, the output signal is square wave, it's accurate and reliable, the user can use it by connecting it as per the operating instruction. Digital circuit and MCU can be easy to use. AH-002A is wholly made of food grade environmentally friendly materials, the safety can be ensured when it works in the boiling water.
Connection mode
Red: Power supply VCC
Black: Ground GND
Yellow: Signal output OUT
| Electrical Parameter | Typ. | Min. | Max. | Unit |
| VCC | 4.5 | 3.5 | 12 | V |
| ICC | 3.5 | 3 | 10 | mA |
| VH | VCC-0.2 | VCC-0.5 | VCC | V |
| VL | 0.1 | 0 | 0.5 | V |
| Operating Temp. | 20 | -45 | POM 85 PBT 100 | ºC |
| Storage Tempt. | 20 | -45 | 100 | ºC |
| Electrostatic protection | 2000 | - | 4000 | V |
Note: Only enclosure and impeller and potting material contact with flow liquid.
| Main Material menu | AH-002A | AH-002B |
| Enclosure(3pcs) | PBT | POM |
| Impeller(1pcs) | PBT | POM |
| Impeller magnet potting material | green epoxy resin | green epoxy resin |
| magnet | High-temperature Nd-Fe-B | N35 |
| PCB | Epoxy resin board | Epoxy resin board |
| Centre shaft | 304, stainless steel | 304, stainless steel |
| Flow Parameter ( L/min ) | Flow meter Accuracy 2% |
| Inlet caliber | Start flow |
| 4.2mm | >1 |
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.
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.
