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Description
DFRobot URM15 75KHZ Ultrasonic Sensor
Features advanced ultrasonic ranging with 30-500 cm range
Equipped with IP65 waterproof probe for reliable use
Offers temperature compensation function for accurate measurements
Supports RS485 interface with standard Modbus-RTU protocol
The DFRobot URM15 75KHZ Ultrasonic Sensor (30~500cm, RS485) is an advanced ultrasonic ranging sensor. It is equipped with an IP65 waterproof probe and has been tested to provide an effective measuring range between 30 and 500 cm on a flat wall. The sensor employs the RS485 interface, adhering to the standard Modbus-RTU protocol, ensuring reliable data communication. This feature, along with its support for revisable slave addresses and serial parameters, makes it highly suitable for various industrial controlling machines.
The URM15 is also designed with a temperature compensation function. This allows for the selection of either external or onboard temperature compensation, thereby minimizing the influence of ambient temperature on the measurement. The sensor incorporates a 75 KHz ultrasonic transducer with a diameter of 40 mm, which results in a relatively small measuring angle and high sensitivity.
The sensor is characterized by its IP65 grade protection and an RS485 communication interface that is based on the standard Modbus RTU protocol. It functions on a voltage range of 5-12 V DC and can handle a maximum instantaneous current of 350 mA. The sensor's distance resolution is 10 mm with a distance error of ±1%, while the temperature resolution is 0.1 ℃ with a temperature error of ±1℃. The measuring frequency stands at 10 Hz and it can operate in temperatures ranging from -10 to＋70 ℃. The operating humidity range is less than 75% RH. The sensor's acoustic frequency is 75KHz±2% and the directional angle is 20±2°(-6 dB). Communication is facilitated via RS485 (Modbus-RTU).
If you are not satisfied for whatever reason with a Product you bought on the Site, it is possible to return it for refund within 30 days from the date you received it unless otherwise indicated in the Product listing. You must first advise the Vendor associated with your order in your account to obtain a return authorization (‘’RA’’) number before returning a Product. (‘’RA’’) numbers are valid for 30 days, within which time the returned Products should be received by the Vendor. No returns will be accepted without having previously obtained an (‘’RA’’) number. The Product must then be returned in its original packaging (in perfect condition for resale) with its receipt and your (‘’RA’’) number. Reimbursement will be denied for any Products which do not conform to the above mentioned conditions.
Build-it-yourself Robot Parts are not refundable once assembled. Robots & Kits requiring assembly or soldering are also not refundable once assembled, soldered or modified in any way. All sales of robotic software and apps are final and cannot be refunded or exchanged. Returns are not accepted on special orders and clearance items except when they are found defective, in which case the Product may be repaired or replaced at the Vendor’s discretion. 20% Restocking fees may apply if you are returning a large quantity of the same Product that was ordered specifically for you from the manufacturer.
Please note that all items will be reimbursed within 7 to 14 days of receiving the Product (shipping fees excluded). You must also cover the cost of returning the Product. Shipping fees will only be refunded if the return is a result of a shipping error on our part. Cleaning fees of USD 100 may also be charged if a domestic robot is returned and has not been properly cleaned.
