Vets scan cats to check for a readable microchip, record its identification number, and help connect a lost cat with the registry that may hold its owner’s contact details. A scan does not reveal a cat’s location or automatically show who owns it: the chip supplies an ID number, while contact information is kept separately by a registry. And one scan that finds nothing does not prove that a cat has never been chipped.
Why do vets scan cats for microchips?
At routine appointments, scanning gives the practice a chance to verify that a cat’s chip can still be read and to keep the number in the medical record. The American Association of Feline Practitioners recommends scanning at every veterinary visit and recording the number. A scan can also reveal that a chip is not being detected where expected, prompting the clinic to check more carefully.
When a found cat comes to a veterinary clinic, shelter, or animal control facility, a readable chip number gives staff a starting point for contacting the right registry. The registry—not the scanner—checks its records and contacts the person associated with them.
What information is stored on a pet microchip?
A pet microchip is an identification device that transmits a unique number when activated by a compatible scanner. In the United States, commonly encountered chip numbers are 9, 10, or 15 digits. The number can be written into veterinary records and used to identify registries that may have a corresponding contact record.
#1 Best Overall
- 【Support Multipe Microchip Formats】Universal microchip scanner supports EMID / ISO11784 / ISO11785 / FDX-B（15 digit microchips）. Please note, the microchip reader CAN NOT read Avid chips, and the 9-digit ID can not be recognized. Only the 15-digit international standard protocol can be recognized. Please check the format of the microchip before purchasing.
- 【Easy To Operate & Fast Scan】Our pet microchip scanner is easy to operate, one button to read. Our microchip scanner adopt advanced RFID technology, responsive and fast scanning, it can better improve the efficiency of work. Please note, if no label is scanned, the device will automatically turn off after 180 seconds, or you can press and hold the button for 3 seconds to turn off the device.
- 【 Large Data Storage】Our pet microchip scanner can save 128 animal chips. It can be transferred to a computer or mobile phone via a USB cable connection. Our pet chip scanner also features a data-erase function, refer to the user manual for instructions.
- 【Rechargeable Battery】Our pet chip scanner supports USB charging, eliminating the need for frequent battery replacements, it can last for more than one year after being fully charged.
- 【Easy To Carry】Our scanners are lightweight and compact, making them easy to carry and ideal for both indoor and outdoor use. The package includes one scanner, a USB cable, and a user manual.
The owner’s address and phone number are not stored on the chip itself. The registry maintains that information separately. The American Animal Hospital Association’s microchipping FAQ explains what information a chip stores and why owners should keep registry details current.
Can a microchip track my pet’s location?
No. A microchip is an identification device, not a GPS tracker. It has no live location function; a compatible scanner must be brought close enough to read it. If a cat goes missing, the chip cannot show where to search.
Rank #2
- [Support Multiple Protocols] - Support ISO11784(85)/FDX-B/EMID 10/15 digit microchips.Microchips in other formats cannot be read. Please confirm whether your microchip is compatible before purchasing.(Does not read AVID microchip).
- [Improved Recognition Performance] - Faster recognition speed and larger recognition range than older scanners. Upgraded the sensitivity of the scanner. It can better improve the efficiency of work.
- [Battery Performance Improvement] - Use high-capacity built-in lithium battery. With more battery capacity and faster charging speed. Greatly improved recognition range and sensitivity. Improved work efficiency.
- [Built-in Hardware Has Veen Fully Upgraded] - It uses the latest technology scanning chip compared to older scanners. Now the energy consumption is greatly reduced and the performance is greatly improved.
- [Data storage] - Storage capacity is equal to 128 sets of data.USB upload to computer.
What happens if my pet gets lost?
If someone finds the cat and a scanner reads its chip, the chip number can be checked through a registry lookup process. In the United States, the AAHA Universal Pet Microchip Lookup Tool can identify participating registries to contact. It does not display the owner’s private details or update the registry record.
- A clinic, shelter, or animal control facility scans the cat and records the ID number.
- The number is entered into the lookup tool to identify participating registries that may have a record.
- Staff contact the relevant registry, which checks its records and can contact the person listed.
The chain only works if a registry record can be found and its contact details are usable. A number by itself does not establish who currently owns the cat or whether the listed phone number and address are current. If no participating recovery registry has a registration, the lookup tool may return a manufacturer or distributor instead.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteRank #3
- [Important Notes Must Read] - Note that if you purchase this product without confirming the format of your pet's microchip, it may not be recognized. So please confirm whether this product is compatible with your pet's microchip. This product only supports FDX-B/EMID microchips. It cannot recognize any other format of microchips. The number of FDX-B microchips is 15 digits. The number of EMID microchips is 10 digits.
- [Improved Recognition Performance] - Faster recognition speed and larger recognition range than older scanners. Upgraded the sensitivity of the scanner. It can better improve the efficiency of work.
- [Data storage] - Larger storage capacity upgrade.Storage capacity is equal to 1000 sets of data.USB upload to computer.
- [Built-in Hardware Has Veen Fully Upgraded] - It uses the latest technology scanning chip compared to older scanners. Now the energy consumption is greatly reduced and the performance is greatly improved.
- [Fast Response] - If you find that the product cannot be used after purchasing it, we will assist you in resolving the problem quickly.
If the scanner doesn’t find a chip, does that mean there isn’t one?
No. A negative scan is not conclusive proof that a chip is absent. The scanner may not read the chip’s frequency, the search may be incomplete, or conditions may make detection harder. The American Veterinary Medical Association advises a complete scan with a universal scanner; the AAFP recommends scanners capable of reading all microchip frequencies.
AVMA notes that a cat’s movement, long or matted hair near the implant site, substantial fat deposits near the chip, and a metal collar or one containing a lot of metal can interfere with detection. These are reasons to scan carefully and consider repeating the scan, not proof that a particular scan has failed.
Rank #4
- Stores lost pets chip numbers
- Alerts the user that a pet is missing
- Rechargeable by plugging into a pc
- Reads most microchips in pets, dogs, cats
Why do scanner compatibility and technique matter?
Microchips used in the United States have operated at different radio frequencies. AVMA explains that ISO-compliant chips use 134.2 kHz, while 125 kHz and 128 kHz chips are also in use. Some older scanners read only certain frequencies; a universal scanner is designed to detect the commonly used types.
A field study of 3,949 dogs and cats at six shelters found that none of four commercial scanners achieved 100% sensitivity for any tested chip brand. Among three universal scanners, sensitivity for the tested 128- and 134.2-kHz chips was at least 94.8%, while results for 125-kHz chips varied; one universal scanner recorded 66.4% to 75.0%. The study tested particular scanners under field conditions in 2008, so it demonstrates that detection can be imperfect—not how current scanner models rank. Its authors advised proper technique and scanning more than once.
Quick Recap
Best Value
- ❤ Supports Multiple Protocols – Compatible with ISO 11784/11785, FDX-B microchips for seamless reading with one-button operation. Does NOT support FDX-A or AVID chips. The 9-digit ID CANNOT be recognized. Only the 15-digit international standard protocol can be recognized.
- ❤ Efficient Data Management – Built-in storage holds up to 128 tags, eliminating redundant scanning and improving efficiency. The USB transfer feature allows seamless data upload to computers or mobile devices for backup, analysis, and sharing, making it ideal for pet owners, farms, and research institutions.
- ❤ Portable & Durable Design – Lightweight and easy to carry, suitable for both indoor and outdoor use. The robust casing provides strong impact resistance, ensuring stable performance in farms, field research, and rescue operations, even in harsh conditions.
- ❤ Built-in Rechargeable Battery – Eliminates the need for frequent battery replacements, with USB charging for convenience. Includes an auto-shutdown function after 180 seconds of inactivity or manual shutdown with a 3-second press.
- ❤ Support turn on/off the pet reader prompt sound. The pet reader is equipped with a speaker, when you scan successfully, the pet reader will "di" to indicate that the scan is successful. If your pet is afraid of the sound of the card reader, please check the instructions in the package and follow the instructions to turn off the sound.
What should you do after a scan?
- If the cat is yours: Ask the clinic to write the complete chip number in the medical record. Check with the registry that holds the record and update your contact details directly; update processes and fees can differ by registry.
- If you found the cat: Ask the clinic or shelter for the full number and use the AAHA lookup tool to find participating registries to contact. The tool does not provide owner details itself.
- If no chip is detected but you think one may be present: Ask whether a universal scanner was used and whether staff completed a full-body scan. A repeat scan may be appropriate.
- For everyday identification: Keep a contact tag on the cat’s collar as well as maintaining the chip record. A tag makes contact details visible immediately to someone who finds the cat; a microchip provides an identifier if the collar is missing.
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