YGC-SM | 7 in 1 IoT Lora RS485 Modbus IP68 ABS Waterproof 4-20mA NPK EC Conductivity Temperature Moisture PH Tester Soil Moisture Sensor

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It features high accuracy, fast response, and stable output. With minimal influence from soil salinity, it is suitable for various soil types. It can be embedded in soil for long-term use, is resistant to prolonged electrolysis and corrosion, and is vacuum-sealed for complete waterproofing.<\/p>\n<p>This sensor is widely applicable in scientific experiments, water-saving irrigation, greenhouses, flower and vegetable cultivation, grasslands and pastures, soil quick testing, plant cultivation, wastewater treatment, grain storage, and the measurement of moisture and temperature in various granular materials.<\/p>\n<p style=\"text-align: left;\"><img src=\"https:\/\/oss.matchpages.cn\/matchpages\/common\/2025\/0724\/5324\/688183eae0446\/%E5%9C%9F%E5%A3%A4%E7%BB%BC%E5%90%88%E4%BC%A0%E6%84%9F%E5%99%A8790-1%E8%AF%A6%E6%83%85_01.jpg\" alt=\"\u571f\u58e4\u7efc\u5408\u4f20\u611f\u5668790-1\u8be6\u60c5_01.jpg \" data-resolution=\"790*996\" \/><\/p>\n<p style=\"text-align: left;\">&nbsp;<\/p>\n<p><span style=\"font-size: 18pt;\">\u6280\u672f\u53c2\u6570<\/span><span style=\"color: #009fe8; font-size: 18pt;\">&gt;&gt;<\/span><\/p>\n<hr \/>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1px\" width=\"100%\" cellpadding=\"10\">\n<tbody>\n<tr>\n<td style=\"background-color: #f8f8f8; width: 22.1168%;\" colspan=\"2\" width=\"22%\">\n<p>Power Supply<\/p>\n<\/td>\n<td style=\"background-color: #f8f8f8; width: 77%;\" width=\"77%\">\u25a1 DC 7\uff5e30V&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \u25a1 DC5V<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.1168%;\" colspan=\"2\" rowspan=\"6\" width=\"22%\">\n<p>Measurement Range<\/p>\n<\/td>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>\u25a1&nbsp; Soil Moisture: 0&ndash;60% (volumetric water content)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>\u25a1&nbsp; Soil Temperature: -40&ndash;80\u2103<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>\u25a1&nbsp; Electrical Conductivity: 0&ndash;20000 &mu;s\/cm<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>\u25a1&nbsp; Salinity: 0&ndash;10000 mg\/L<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>\u25a1&nbsp; PH \uff1a3\uff5e10 PH<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p><strong>\u25a1&nbsp; <\/strong>Nitrogen-Phosphorus-Potassium (NPK): 0&ndash;2000 mg\/kg<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.1168%;\" colspan=\"2\" rowspan=\"6\" width=\"22%\">\n<p>Accuracy<\/p>\n<\/td>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>Soil Moisture: &plusmn;3% (0-35% range)<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&plusmn;5% (35%-60% range)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>Soil Temperature\uff1a&plusmn;0.5\u2103<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>Electrical Conductivity\uff1a&plusmn;5%\uff080\uff5e1000 us\/cm\uff09<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>Salinity\uff1a&plusmn;5%\uff080\uff5e500 mg\/L\uff09<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>PH \uff1a&plusmn;0.3PH<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>Nitrogen-Phosphorus-Potassium (NPK)\uff1a&plusmn;2%FS\uff080\uff5e200 mg\/kg\uff09<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 99.1168%;\" colspan=\"3\" width=\"100%\">\n<p>For data exceeding the specified accuracy ranges for electrical conductivity, salinity, and NPK, the values can be used as linear trend indicators.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.1168%;\" colspan=\"2\" rowspan=\"6\" width=\"22%\">\n<p>Resolution<\/p>\n<\/td>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>Soil Moisture\uff1a0.1%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>Soil Temperature\uff1a0.1\u2103<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>Electrical Conductivity\uff1a1 us\/cm<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>Salinity\uff1a1 mg\/L<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>PH \uff1a0.1 PH<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 77%;\" width=\"77%\">\n<p>Nitrogen-Phosphorus-Potassium (NPK)\uff1a1mg\/kg<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 22%;\" rowspan=\"4\" width=\"9%\">\n<p style=\"text-align: left;\">Output Signal&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/td>\n<td style=\"width: 90.1168%; background-color: #f8f8f8;\" colspan=\"2\" width=\"13%\">\n<p>Current: \u25a1 4\uff5e20mA (Soil Temperature\/Moisture)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 90.1168%;\" colspan=\"2\" width=\"13%\">\n<p>Voltage: \u25a1 0\uff5e2.5V&nbsp; \u25a1 0\uff5e5V (Soil Temperature\/Moisture)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 90.1168%; background-color: #f8f8f8;\" colspan=\"2\" width=\"13%\">\n<p>Serial Port: \u25a1 RS485<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 90.1168%;\" colspan=\"2\" width=\"13%\">\n<p>Others<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22%; background-color: #f8f8f8;\" colspan=\"2\" width=\"22%\">\n<p>Cable Length<\/p>\n<\/td>\n<td style=\"width: 77%; background-color: #f8f8f8;\" width=\"77%\">\n<p>\u25a1 Standard\uff1a2.5 meters&nbsp;&nbsp; \u25a1 Others\uff1a<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<p>Load Capability<\/p>\n<\/td>\n<td style=\"width: 77%;\">\n<p>Current output impedance &le;250&Omega;<\/p>\n<p>Voltage output impedance &ge;1k&Omega;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #f8f8f8;\" colspan=\"2\">\n<p>Operating Environment<\/p>\n<\/td>\n<td style=\"width: 77%; background-color: #f8f8f8;\">Soil Temperature: -40\u2103\uff5e80\u2103; Soil Moisture: &le;60%<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<p>Protection Level<\/p>\n<\/td>\n<td style=\"width: 77%;\">IP68<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #f8f8f8;\" colspan=\"2\">\n<p>Probe Material<\/p>\n<\/td>\n<td style=\"width: 77%; background-color: #f8f8f8;\">304 stainless steel, anti-corrosion aluminum-zinc alloy electrodes<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\n<p>Product Weight<\/p>\n<\/td>\n<td style=\"width: 77%;\">120 g (for measuring soil temperature and moisture)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.1168%; background-color: #f8f8f8;\" colspan=\"2\">\n<p>170 mW \/ 12V (depending on the specific model)<\/p>\n<\/td>\n<td style=\"width: 77%; background-color: #f8f8f8;\">170 mW \/ 12V (depending on the specific model)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #009fe8; font-size: 18pt;\"><span style=\"font-size: 14pt;\"><strong>Product Features<\/strong><\/span>&gt;&gt;<\/span><\/p>\n<p><span style=\"color: #009fe8; font-size: 18pt;\"><img src=\"https:\/\/oss.matchpages.cn\/matchpages\/common\/2025\/0724\/1622\/688187debd449\/%E5%9C%9F%E5%A3%A4%E7%BB%BC%E5%90%88%E4%BC%A0%E6%84%9F%E5%99%A8790-1%E8%AF%A6%E6%83%85_06.jpg\" alt=\"\u571f\u58e4\u7efc\u5408\u4f20\u611f\u5668790-1\u8be6\u60c5_06.jpg \" data-resolution=\"790*1328\" \/><\/span><\/p>\n<p><span style=\"color: #009fe8; font-size: 18pt;\"><span style=\"font-size: 14pt;\"><strong>Product size<\/strong><\/span>&gt;&gt;<\/span><\/p>\n<p><span style=\"color: #009fe8; font-size: 18pt;\"><img src=\"https:\/\/oss.matchpages.cn\/matchpages\/common\/2025\/0724\/4365\/68818883d03cd\/%E5%9C%9F%E5%A3%A4%E7%BB%BC%E5%90%88%E4%BC%A0%E6%84%9F%E5%99%A8790-1%E8%AF%A6%E6%83%85_09.jpg\" alt=\"\u571f\u58e4\u7efc\u5408\u4f20\u611f\u5668790-1\u8be6\u60c5_09.jpg \" data-resolution=\"790*798\" \/><img src=\"https:\/\/oss.matchpages.cn\/matchpages\/common\/2025\/0724\/7324\/68818883d2186\/%E5%9C%9F%E5%A3%A4%E7%BB%BC%E5%90%88%E4%BC%A0%E6%84%9F%E5%99%A8790-1%E8%AF%A6%E6%83%85_08.jpg\" alt=\"\u571f\u58e4\u7efc\u5408\u4f20\u611f\u5668790-1\u8be6\u60c5_08.jpg \" data-resolution=\"790*834\" \/><\/span><\/p>\n<p><span style=\"color: #009fe8; font-size: 18pt;\"><span style=\"font-size: 14pt;\"><strong>Installation instructions<\/strong><\/span>&gt;&gt;<\/span><\/p>\n<hr \/>\n<p><strong>Quick Measurement Method<\/strong><\/p>\n<p>Choose an appropriate measurement location, avoiding rocks to ensure the steel probes do not come into contact with hard objects. Remove the surface soil to the desired measurement depth while maintaining the original density of the underlying soil. Hold the sensor firmly and insert it vertically into the soil. Avoid shaking the sensor back and forth during insertion. Within a small range of the measurement point, it is recommended to take multiple measurements and calculate the average value.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Buried Measurement Method<\/strong><\/p>\n<p>Dig a pit with a diameter greater than 20 cm and at the desired measurement depth. Insert the sensor probes horizontally into the pit wall. Fill the pit tightly with soil and allow it to stabilize for some time before performing continuous measurements over several days, months, or even longer periods.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #009fe8; font-size: 18pt;\"><span style=\"font-size: 14pt;\"><strong>Precautions <\/strong><\/span>&gt;&gt;<\/span><\/p>\n<hr \/>\n<ol>\n<li>Please check whether the packaging is intact and verify that the product model matches the selected specifications.<\/li>\n<li>Do not connect wires while the device is powered. Ensure all connections are correct before powering on the device.<\/li>\n<li>The length of the sensor cable may affect the output signal. Do not modify the product arbitrarily. If modification is necessary, please contact the manufacturer.<\/li>\n<li>The sensor is a precision instrument. During use, do not disassemble it, or use sharp objects or corrosive liquids to contact the surface of the sensor to avoid damaging the product.<\/li>\n<li>During measurement, the probe must be fully inserted into the soil.<\/li>\n<li>Avoid direct exposure to strong sunlight, which may cause overheating of the sensor. When used outdoors, take precautions against lightning strikes.<\/li>\n<li>Do not bend the probe violently or insert it with excessive force. Avoid pulling or repeatedly tugging on the sensor cable, as this may cause the cable to break at the root and become irreparable.<\/li>\n<li>Due to the presence of radio frequency electromagnetic radiation in the air, it is not recommended to leave the sensor powered on in the air for extended periods.<\/li>\n<li>When measuring frozen soil layers, the moisture readings may be inaccurate and show lower values, requiring user compensation. This product is suitable for measuring ordinary soils such as loam, black soil, and red soil. It is not suitable for absolute moisture measurements of saline-alkali soil, sandy soil, or other powdery materials with high salt content.<\/li>\n<\/ol>\n<p>&nbsp; &nbsp; &nbsp;10. The soil moisture calculated by this sensor refers to soil volumetric water content (also known as soil volume moisture content), which is&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;commonly referred to as \"soil moisture\" or \"soil humidity.\" The volumetric water content is the ratio of the volume of water in the soil to the&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;total volume of the soil. A reading of 0% represents completely dry soil with no water, while 60% indicates that 60 volumes of water are&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;present&nbsp; in 100 volumes of soil. Due to the soil's limited water-absorbing capacity, it is impossible to have a volumetric water content of 100%.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #009fe8; font-size: 18pt;\"><span style=\"font-size: 14pt;\"><strong>Troubleshooting<\/strong><\/span>&gt;&gt;<\/span><\/p>\n<hr \/>\n<table style=\"border-collapse: collapse; width: 100%;\" cellpadding=\"10\">\n<tbody>\n<tr>\n<td style=\"width: 25%; background-color: #009fe8; border: 1px solid #f0f0f0;\"><span style=\"color: #ffffff;\">Model<\/span><\/td>\n<td style=\"width: 25%; background-color: #009fe8; border: 1px solid #f0f0f0;\"><span style=\"color: #ffffff;\">Power Supply<\/span><\/td>\n<td style=\"width: 25%; background-color: #009fe8; border: 1px solid #f0f0f0;\"><span style=\"color: #ffffff;\">Output<\/span><\/td>\n<td style=\"width: 25%; background-color: #009fe8; border: 1px solid #f0f0f0;\"><span style=\"color: #ffffff;\">Description<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">YGC-SM<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">Soil Comprehensive Sensor<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">5V<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">5V Power Supply<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">KV<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">7-30VPower Supply<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">V<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">0-5V<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">V2<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">0-2.5V<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">A1<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">4-20mA<\/td>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">W2<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">RS485\uff08Modbus\uff09<\/td>\n<td style=\"width: 25%; border: 1px solid #f0f0f0;\">&nbsp;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; background-color: #f8f8f8; border: 1px solid #f0f0f0;\" colspan=\"4\">\n<p>Example: YGC-SM-5V-W2&nbsp; &nbsp;<\/p>\n<p>Soil Comprehensive Sensor, 5V Power Supply, RS485 Output.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 18pt;\"><span style=\"color: #009fe8;\"><span style=\"font-size: 14pt;\"><strong>Contact Us<\/strong><\/span>&gt;&gt;<\/span><\/span>&nbsp;<\/p>\n<hr \/>\n<p>Address\uff1aRoom 01, 3rd Floor, Building 4, Gezhouba Sun City, No. 40 Gaoxin 4th Road, Donghu New Technology Development Zone, Wuhan\uff0cHubei\uff0cChina<br \/>Tel\uff1a+8619522958500<br \/>Whatsapp\uff1a+8615271247832<\/p>","price":"0.00","price_decimal":2,"price_format_type":0,"currency":"CNY","seo_title":"YGC-SM | 7 in 1 IoT Lora RS485 Modbus IP68 ABS Waterproof 4-20mA NPK EC Conductivity Temperature Moisture PH Tester Soil Moisture Sensor","seo_keyword":"Soil comprehensive sensor, soil pH measurement,conductivity measurement,soil nitrogen,phosphorus,and potassium measurement,soil temperature and humidity sensor","seo_describe":"The YGC-SM sensor is a comprehensive soil sensor capable of monitoring up to 8 soil parameters, including soil temperature, moisture (soil water content), pH value, electrical conductivity (EC), salinity, and nitrogen-phosphorus-potassium (NPK) content.","is_sku":0,"viewer":0,"sort":32,"source_copy_id":78888,"status":0,"data_time":"2025-07-24 09:25:54","create_time":"2024-11-18 16:29:15","update_time":"2025-09-28 14:47:08","type_items":[{"id":10079,"website_id":10055,"name":"Soil Sensors","level":1,"urla":"","description":"","sort":4,"parent_id":0}],"tag_items":[{"id":34358,"website_id":10055,"name":"Conductivity measurement"},{"id":34359,"website_id":10055,"name":"Soil comprehensive sensor"},{"id":34360,"website_id":10055,"name":"Soil pH measurement"},{"id":34361,"website_id":10055,"name":"Measurement of soil nitrogen, phosphorus, and potassium"},{"id":34362,"website_id":10055,"name":"Soil temperature and humidity sensor"},{"id":34363,"website_id":10055,"name":"Soil moisture monitoring instrument"}],"custAttribute":[],"sku_list":[],"sku_id":0}}