{"product_id":"underwater-ultrasonic-sensor-module-probe-ultrasound-for-depth-distance-measurement-obstacle-avoidance-ip68-range-5-200cm","title":"Underwater Ultrasonic Sensor Module Probe Ultrasound For Depth Distance Measurement Obstacle Avoidance IP68 Range 5 - 200cm","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBattery Included\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eno\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGauselink\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDIY Supplies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectrical\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGL08\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eNet Weight\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e40g\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSemi-finishedproduct\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e1. Product Parameters\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e- Serial No.: GL08\u003cbr\u003e- Product Name: Underwater Ultrasonic Sensor Module\u003cbr\u003e- Working Voltage: 5V DC (+\/-5%)\u003cbr\u003e- Model, Range and Output Type: \u003cbr\u003e  \u0026gt; GL081MT, 5 ~ 800cm, UART Controlled\u003cbr\u003e  \u0026gt; GL081M4, 5 ~ 800cm, RS485 \u003cbr\u003e  \u0026gt; GL08BT, 8 ~ 800cm, UART Controlled\u003cbr\u003e  \u0026gt; GL08B4, 8 ~ 800cm, RS485 \u003cbr\u003e- Baud Rate: Max. 115200 bits\/second (Adjustable)\u003cbr\u003e- Length of Cable: 500mm (19\")\u003cbr\u003e- Protection Level of Housing: IP68 (To work underwater)\u003cbr\u003e- Max. depth underwater: 5 meters\u003cbr\u003e- Color of Housing: Grey\u003cbr\u003e- Working Media: Clean Water\u003cbr\u003e- Ambient Temperature: -15°C ~ 55°C\u003cbr\u003e\u003cbr\u003eRefer to table below for more parameters:\u003cbr\u003e① Measurement Range\u003cbr\u003e② Blind Zone\u003cbr\u003e③ Output Type\u003cbr\u003e④ Output Response Time\u003cbr\u003e⑤ Working Voltage\u003cbr\u003e⑥ Standby Current\u003cbr\u003e⑦ Average Working Current\u003cbr\u003e⑧ Accuracy\u003cbr\u003e⑨ Detection Angle\u003cbr\u003e\u003cbr\u003eRemarks:\u003cbr\u003e(a) Sensor tested at 30cm below static water surface. Water temperature 20°C. No water flow.\u003cbr\u003eObject is flat and facing the sensor.\u003cbr\u003e(b) Tested at Baud Rate 115200bps. Real-time value read.\u003cbr\u003e(c) Tested at voltage 5V DC, cycle time 100ms.\u003cbr\u003e(d) The same conditions with (a), except that the object is stainless steel tube ø4.2×100cm placed at 0.5m ahead. Angle grade is default Grade 4.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sba94bfae682c4c27b75baf783e9ea8812.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4d10f8b8c60a4dfc95ee940034062f16A.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S68d9ab593f7c4e74aedaf565e6869abdG.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eDemo set with ST32 control board is also available. Click the link of photo below for more details.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S018ed6a253ca48c18cbdce96024bf98c2.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e2. Attractive Features\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e2.1 High Measurement Accuracy\u003cbr\u003eThe sensor module is built in intelligent algorithm that ensures the high accuracy.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S478eae6ddfb642c3a19cf0b4586dc68dZ.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e2.2 Applicable for Measurements of Water Depth, Water Level, Object Distance in Water\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S12fc73702db945b0b34b6b2a9c119e1a3.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eNote: This sensor works only in water, not in air.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e2.3 Temperature Compensation\u003cbr\u003eThe sensor comes with water temperature compensation function to compensate the impact of changing temperature and sound velocity in water.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se722f1c0806d4f63885d29c0e75fd4adz.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e2.4 Passed Hydrostatic Test\u003cbr\u003eSimulation in water at depth 5m (16 feet, 51kPa).\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf37feef6eb4e4f34b3cfeb37db93d559m.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e2.5 Super fast response time\u003cbr\u003eBaud Rate is settable and up to 115200bps (default)\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3fc9ba24994340489c4c95cd197cc819g.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e3. Product Dimensions and Terminals Definition\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eUnit: mm\u003cbr\u003e\u003cbr\u003eContact us please if you want to customize longer cable.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1b604244852743c39a545e357e6356a87.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb3cee2e06a94479ebf899ed8597bb90bl.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e4. Outputs Introduction\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e4.1 UART Controlled Output\u003cbr\u003eBaud Rate: 115200 bps\u003cbr\u003eData bits: 8\u003cbr\u003eStop bit: 1\u003cbr\u003eVerification: None\u003cbr\u003e\u003cbr\u003eWhen the trigger input pin \"RX\" receives a trigger pulse with a falling edge or any serial port data, the falling edge will trigger the module to work once, and the output pin \"TX\" will output one measurement data. \u003cbr\u003eThe trigger cycle T₁ must be greater than 18+15 = 33ms.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sed308e4b8ffb4cca81ca570e88dfad11h.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eUART Output Format\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf6e07547484843058e760dd0e2443f2a9.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6936d03c8390485183bf9ff421d58414K.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eNotes:\u003cbr\u003e1) When the sensor with UART output also support Modbus protocol.\u003cbr\u003e2) When the sensor is not in water, but in air, the \"distance value\" will be 0xFFFD.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e4.2 RS485 Output\u003cbr\u003e\u003cbr\u003eThe protocol for sensor with RS485 output is Modbus RTU. Refer to Section 5 as follows.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e5. Modbus Protocol Explanation\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e5.1 Communication Parameters\u003cbr\u003eData bits: 8\u003cbr\u003eStop bit: 1\u003cbr\u003eParity Check: No.\u003cbr\u003eDefault Baud Rate: 115200 bps\u003cbr\u003eProtocol: Modbus-RTU\u003cbr\u003eVerificaiton: CRC-16\/Modbus\u003cbr\u003eSensor Address: 0x01 (default, settable)\u003cbr\u003eRead Code: 0x03\u003cbr\u003eWrite Code: 0x06\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e5.2 Modbus RTU Protocol Parameters and Format\u003cbr\u003e\u003cbr\u003eVerification Method: CRC-16 (16 bits)\u003cbr\u003eAddress of Sensor as slave: 0x01 (default, changeable)\u003cbr\u003e\u003cbr\u003eCommunication Format:\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Scf8925e3bc614f07981089f4a522aeeay.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e5.3 List of Registers\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4579e90abdd44bb0b54b258e2c29f6e7j.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eNote: The command interval shall be longer than the register's response time, in order to ensure the data frame is completely received.\u003cbr\u003e\u003cbr\u003e5.4 Modbus Communication Examples:\u003cbr\u003eTo read processed value:\u003cbr\u003eHost (TX): 01 03 01 00 00 01 85 F6\u003cbr\u003eClient (RX): 01 03 02 02 F2 38 A1\u003cbr\u003eExplanation: Address of sensor is 0x01. Prcessed distance value is 0x\t02F2, of which decimal distance is 754mm.\u003cbr\u003e\u003cbr\u003eTo read real time value:\u003cbr\u003eHost (TX): 01 03 01 01 00 01 D4 36 \u003cbr\u003eClient (RX): 01 03 02 02 EF F8 A8\u003cbr\u003eExplanation: Address of sensor is 0x01. Read-time distance value is 0x02EF, of which decimal distance is 751mm.\u003cbr\u003e\u003cbr\u003eTo change sensor\/slave address:\u003cbr\u003eHost (TX): 01 06 02 00 00 05 48 71\u003cbr\u003eClient (RX): 01 06 02 00 00 05 48 71\u003cbr\u003eExplanation: Address of sensor is changed from 0x01to 0x05.\u003cbr\u003e\u003cbr\u003eIf the address of sensor is forgoten, the broadcast address 0xFF can be used to look up the real address provided that only 1 sensor is connected:\u003cbr\u003eHost (TX): FF 03 02 00 00 01 90 6C\u003cbr\u003eThe sensor replies:\u003cbr\u003e(RX): 01 03 02 00 01 79 84 \u003cbr\u003eIt shows the address of sensor is 0x01. 0xFF is broadcast address.\u003cbr\u003e\u003cbr\u003eThe adddress change code 0x06 is useful when a host machine controls more than 1 sensor module and each sensor should be assigned with a unique address.\u003cbr\u003e\u003cbr\u003eTo read\/check the current Baud Rate:\u003cbr\u003eHost (TX): 01 03 02 01 00 01 D4 72\u003cbr\u003eClient (RX): 01 03 02 00 09 F8 45\u003cbr\u003e0x0009 indicates the current Baud Rate is 115200bps.\u003cbr\u003e\u003cbr\u003eTo set the Baud Rate at 2400bps.\u003cbr\u003eHost (TX): 01 06 02 01 00 01 99 B3\u003cbr\u003eClient (RX): 01 06 02 01 00 01 99 B3\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eCommunication Examples of Sensor with RS485 Output:\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf76a3cdf46444fe7a14ed690f17d12baO.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e6. Reference Detection Range at Laboratory\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S2e205ba618124069a53e8e33b42c9096e.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e7. Product Applicable Fields\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eThis underwater ultrasonic sensor module can be used in the following fields and not limited to:\u003cbr\u003e1. AI Robots\u003cbr\u003e2. Proximity and Presence Awareness of Objects in Water\u003cbr\u003e3. Distance\/Depth Measurement in Water\u003cbr\u003eIt supports micro-controller unit (MCU), for Arduino, Raspberry Pi development.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf16ce5280837454292731bf8585b0ae5a.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eFunctional Test in water tank at laboratory\u003cbr\u003e\u003cbr\u003eRefer to 4 pictures below.\u003cbr\u003e\u003cbr\u003eA - The sensor in water detects a PVC tube Ф75mm in water which is 18.3cm ahead.\u003cbr\u003eB - The sensor detects the sand layer in water which is 5.1cm below.\u003cbr\u003eC - The sensor is measuring the depth between the water surface and sensor. Result: 4.7cm.\u003cbr\u003eD - The sensor detects a flat object in water which is 14.9cm ahead.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7ea49749621c4be0ad107fe90048c50bz.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eWe have R\u0026amp;D team supporting customization projects. Welcome to inquire our sales assistant online if necessary.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1c7e5bd0f362402e893af3f537bb888dz.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"margin-bottom:10px\" class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5c77b34522344d97ac8d4bd805142f1dN.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cbr\u003e","brand":"URBANCREW CO. ","offers":[{"title":"UART Ctrl 8-800cm","offer_id":45089376174173,"sku":"14:200006152#UART Ctrl 8-800cm","price":72.95,"currency_code":"EUR","in_stock":true},{"title":"RS485 8-800cm","offer_id":45089376206941,"sku":"14:201619814#RS485 8-800cm","price":72.95,"currency_code":"EUR","in_stock":true},{"title":"RS485 8-800cm - Tool","offer_id":45089376239709,"sku":"14:200003699#RS485 8-800cm - Tool","price":79.95,"currency_code":"EUR","in_stock":true},{"title":"UART Ctrl 5-800cm","offer_id":45089376272477,"sku":"14:201800840#UART Ctrl 5-800cm","price":72.95,"currency_code":"EUR","in_stock":true},{"title":"RS485 5-800cm - Tool","offer_id":45089376305245,"sku":"14:366#RS485 5-800cm - Tool","price":79.95,"currency_code":"EUR","in_stock":true},{"title":"RS485 5-800cm","offer_id":45089376338013,"sku":"14:200002984#RS485 5-800cm","price":72.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/1928\/5853\/files\/S4d10f8b8c60a4dfc95ee940034062f16A.webp?v=1790183484","url":"https:\/\/12wcir-ik.myshopify.com\/ja\/products\/underwater-ultrasonic-sensor-module-probe-ultrasound-for-depth-distance-measurement-obstacle-avoidance-ip68-range-5-200cm","provider":"URBANCREW CO. 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