小未科技 (珠海) 有限公司

 This series of Wireless Digital Liquid Level Gauges is a high-precision, low-power industrial metering instrument powered by a long-lasting 3.6V lithium battery. Built with an explosion-proof aluminum alloy housing and a 304 stainless steel submersible probe with IP68 protection, it measures real-time fluid levels with exceptional long-term stability. Featuring an integrated MCU and full-screen LCD display, the meter transmits data to cloud platforms seamlessly via 4G, NB-IoT, or LoRa cellular networks. Key Features &amp; Highlights Multiple Transmission Options &amp; Flexible Configuration: Supports 4G, NB-IoT, and LoRa networks with programmable IP address settings. Parameters such as sampling/upload rates and alarm thresholds can be easily configured remotely or via on-site Bluetooth connectivity. Rugged Construction &amp; High Precision: Features an explosion-proof alloy aluminum casing, 304 stainless steel connector, and IP68 submersible probe. Delivers high accuracy (0.5% FS) with built-in high-precision pressure sensors and anti-electromagnetic interference protection. Real-time Monitoring &amp; Intelligent Alarms: Equipped with high/low level limit threshold alarms, low-battery alerts, and GPS positioning functionality to keep assets secure and monitored. Ultra-Low Power Consumption: Operates on a high-capacity 3.6V lithium battery (optional 12V/24V external supply) with customizable sampling (1–9999s) and uploading intervals (10–9999 mins) to maximize field operational lifespan. Full-Screen Display &amp; Broad Application: Designed with a 76mm full-screen LCD for clear local data reading. Suitable for non-corrosive liquids including water and oil across pipelines, reservoirs, and industrial storage tanks.  

Wireless Digital Liquid Level Gauge with 4G/NB-IoT/LoRa, IP68 Submersible Probe, Bluetooth Config & GPS Tracking

Wireless Digital Liquid Level Gauge with GPS Tracking

奥格科技股份有限公司

DLH-ETG-M micro integrated water level gauge is a plastic sealed structure, built-in rechargeable battery, and supports multiple protocol communication. It has the advantages of compact size and easy installation, no blind spots, high sensitivity, strong anti-interference ability, IP68 high-level protection, and strong corrosion resistance. It is not affected by sediment and debris and can be used for water level measurement in municipal roads, concave bridges, culverts, and other places. 

Micro integrated water level gauge

Unit Connection Technology Limited

This ultrasonic water tank lever meter is an inexpensive solution for remotely measuring water tank levels. The sensor works by measuring the time required for an ultrasonic pulse to travel to and from a target surface. The wireless signal transmits up to 300 feet for easy viewing in the comfort of your home on the LCD display. 	 High quality. 	 Good performance.  

Ultrasonic Tank Liquid Level Meter

Ultrasonic Tank Liquid Level Meter for remote water level measurement

Megastek Technologies Ltd

电容液位传感器可自由截断，随时随地查看油量变化，防偷油漏油，适用于大型车辆（工程车，物流车，公交车）等对油量的监管。  优势： 电源从7到80V 电隔离2500V 真IP67（IP69K可选） 不锈钢护套 电缆接口RS-232，RS-485 铝合金防震外壳 工作温度-40 ... + 85℃ 测量部分的长度最大为2米 适应多因素数据过滤系统 水箱中有水也能准确测量 耐强磁场的电源（可选） 多达5个FLS的主从链，无需任何其他设备  如需更多资料，请联系！ cherry@megastek.com 

megastek 电容式液位油量传感器 可截断式油位计 实时监控油量变化

FLS fuel level sensor Ultrasonic Fuel Level Sensors for Fuel Tank Truck Vehicle

DLH-RLevel-M uses FMCW radar technology to measure liquid level in a non-contact manner. The product has a built-in collector, communication module, and power supply battery, and can be connected to external expansion pressure probes and power supply batteries. It is widely used in liquid level measurement in municipal wells, open channels, and other places. 

Underground well radar water level gauge

The FT0021 Ultrasonic water tank lever meter is an inexpensive solution for remotely measuring water tank levels. The sensor works by measuring the time required for an ultrasonic pulse to travel to and from a target surface. The wirelss signal transmits up to 300 feet for easy viewing in the comfort of your home on the LCD display.

FT0021 Wireless Ultrasonic Tank Liquid Level Meter

shenzhen uniwoay technology co., ltd

UL212NT-E-RS232 Fuel Level Sensor Functions &amp; Specifications - No‑drilling installation inside fuel tank, easy to mount - Compatible with various liquids: diesel, gasoline, water, etc. - Supports tanks made of multiple materials: metal / aluminum / stainless steel / fiber / plastic - Resolution: 0.1 mm - Accuracy: 99.5% - Maximum measuring range: 100 cm (UL212), 250 cm (UL212‑E) - Minimum detection height (blind zone): 3 cm - Max. tank wall thickness: 8 ~ 12 mm - Output Interface: BLE Bluetooth 5.0 + RS232 (default) / RS485 + Analog (0‑5V) - Configuration &amp; calibration via mobile APP - Built‑in AI algorithm for abnormal signal filtering - I/O output for fuel theft alarm - IP67 waterproof rating - Hardware partners: Teltonika, GEOTab, Calamp, Queclink, Gosafe, Jimi, Concox, Meitrack, Streamax     About Us                                                         ShenZhen Uniwoay Technology Co., Ltd  Shenzhen Uniwoay Technology Co., Ltd is a company specializing in the development and production all kind of GPS tracking devices including smart GPS watch, OBD2, vehicle tracker, asset tracker, pet tracker and so on.Rich experienced R&amp;D team, strong SCM team and global vision international salesteam provides best product and servce.As one of leading GPS tracking providers,“Quality is Proiority” is our only principle.　Base in Shenzhen, China, serving whole world, securing every family with GPS andGIS technology, and making everyone can be enjoymodern health and safe digital life are our mission.   Certification                                                        

UL212NT-E-RS232 Fuel Level Sensor

CPM212 BLE Capacitive Fuel Level Sensor is designed for truck &amp; fleet fuel monitoring and fuel anti‑theft solution. It supports non‑drilling installation, works for gasoline, diesel and other non‑conductive liquids. Compatible with metal, aluminum, stainless steel, plastic tanks. Main Features • No‑drilling installation, simple mounting • Support multiple liquids: diesel, gasoline, water etc. • Fit for various tank materials: metal, aluminum, stainless steel, fiber, plastic • Resolution: 0.1mm, high accuracy up to 99.5% • Built‑in BLE5.4 wireless transmission • Millimeter‑wave radar for fuel theft human detection • IP68 waterproof, explosion‑proof II 1G Ex ia IIB T6 Ga • Support field cutting for measuring tube • Work with most GPS trackers for fleet management Specifications Model: CPM212 Accuracy: 99.5% Resolution:0.1mm Bluetooth: BLE 5.4 Max measuring length:70cm (optional 100cm) Protection: IP68 Explosion‑proof: II 1G Ex ia IIB T6 Ga Working temperature: -40℃ ~ 85℃ Battery life: up to 6 years Warranty: 1 Year Sample lead time: 3‑7 days Bulk order lead time:15 days      About Us                                                         ShenZhen Uniwoay Technology Co., Ltd  Shenzhen Uniwoay Technology Co., Ltd is a company specializing in the development and production all kind of GPS tracking devices including smart GPS watch, OBD2, vehicle tracker, asset tracker, pet tracker and so on.Rich experienced R&amp;D team, strong SCM team and global vision international salesteam provides best product and servce.As one of leading GPS tracking providers,“Quality is Proiority” is our only principle.　Base in Shenzhen, China, serving whole world, securing every family with GPS andGIS technology, and making everyone can be enjoymodern health and safe digital life are our mission.   Certification                                                        

CPM212 BLE Capacitive Fuel Level Sensor IP68 For Truck Fleet Fuel Monitoring Anti‑theft

CPM212 BLE Capacitive Fuel Level Sensor for truck fleet monitoring

宏オ拓展有限公司

 	 Useful daily living aid for visual impaired persons 	 It provides an alert sound and vibration when the water or liquid reaches the top of the cup or glass 	 Delivers 2 types of alert sounds and vibration when reaches the Hi and Low probe 	 Adjustable probe height 	 Suitable for hot and cold drinks 	 Built-in magnet for easy attach to the refrigerator door 	 Battery door cover in soft material, easy to identify and replace battery  

Liquid Level Detector

Liquid Level Detector for visually impaired persons

 	 It is a daily assistive living aids for Visual Impaired Person to travel around. 	 It provides an alert sound and vibration when the wate or liquid reached the top of the cup or glass. Anti-slip design: built-in strong magnet for easy attach to the refrigerator and avoid falling. 	 It delivers 2 type s of alert sounds and vibration when reaches the Hi and Low Probe. 	 There is adjustable probe height. it is easy to change battery.  

Liquid Level Detector for visually impaired individuals

The Liquid Level Detector aids visually impaired individuals by providing sound and vibration alerts when liquid reaches the top of a cup of glass.  Detects high and low liquid levels with an adjustable probeTwo alert sounds and vibrations for each levelMagnetic back for easy fridge attachment

Liquid Level Detector (LD-2)

Liquid Level Detector LD 2 for visually impaired individuals

MGM Industries & Company

Application: Any type of liquid. Measurement of special liquid such as volatile liquid, corrosive liquid, strong acid and strong alkali liquid need optional accessory DE-20B anti corrosive liquid measuring assembly.  Features: * LCD Display. * Samples under the temperature from mormal to 100°C can be measured. * RS-232C included.   

Liquid Densimeter

Liquid Densimeter for measuring various types of liquids

广州瑞晶贤力信息科技有限公司

 REGIN Immersion sensor with housing, without well, R1/2” Immersion sensor for temperature measurement in district heating systems. Probe in stainless steel without a well. Available in different lengths.   

REGIN TG-DH312/PT1000 TG-DH312/PT1000-170 TG-DH312/PT1000-50 TG-DH312/PT1000-90 Immersion sensor with housing, without well

REGIN Immersion sensor with housing, without well

Temperature transmitter for immersion mounting Technical data Mounting ：Immersion mounting Protection class ：IP65 Sensor element ：NTC 10K Immersion length ：120 mm Pipe fitting ：R ½ Article TLT100 Supply voltage：18…24 V AC or 18…35 V DC Temperature range ：0…100 °C Output signal ：0…10 V Accuracy：± 2°C TLT100-420 Supply voltage：11…30 V DC Temperature range ：0…100 °C Output signal ：4…20 mA Accuracy：± 2°C TLT50-420 Supply voltage：11…30 V DC Temperature range ：-30…+50 °C Output signal ：4…20 mA Accuracy：± 1.5°C   

REGIN TLT100 TLT100-420 TLT50-420 Temperature transmitter for immersion mounting

REGIN TLT100 temperature transmitter for immersion mounting

Immersion sensor for temperature measurement of heating or cooling batteries in ventilation units. Probe in stainless steel without a well.   

REGIN TG-DH3/PT100 TG-DH3/PT1000 TG-DH3/NTC10-01 TG-DH3/NI1000-01 Immersion sensor with housing, without well, R1/4”

REGIN TG DH3 immersion sensor for temperature measurement

Beijing ManThink Technology Co., Ltd.

Key FeaturesLow battery voltage alarmEquipment failure alarmSupport ThinkLink platform operation and maintenanceLoRa modulation, receiving sensitivity up to-139dBmStandby power consumption &lt;5uAHigh energy density lithium battery, to ensure that the product has a continuous working life of 8 years (3 hours heartbeat cycle)Support US902,AU915,AS923,EU868,EU433,CN470 LoRaWAN standard

Cable  Water Leakage Sensor

 REGIN Immersion sensor with housing Immersion sensor for temperature measurement in heating- or cooling applications. Available in different lengths. Use together with DRxxS or DR-xxWA.  

REGIN TG-IH3/PT100-90 TG-IH3/PT1000-90 Immersion sensor with housing

REGIN TG IH3 PT100 immersion sensor with housing

Shenzhen Chaoyue Technology Development Co., Ltd.

This brake fluid tester supportsDOT3 oil type, DOT4 oil type, DOT5.1 oil type, high sensitivity probe, high precision detection, stainless steel inspection tube, dual mode detection, probe fill light. Supportedlanguage: English ProductFeatures: 1. Support DOT3 oil type, DOT4 oil type, DOT5.1 oil type2. High sensitivity probe, high precision detection3. Stainless steel inspection tube4. Dual mode detection 5. Probe fill light 6.Intelligent automatic shutdown 7. 1.8”color screen 8. On the product: support adding LOGO stickers/ printing LOGO 

V066 Brake Fluid Detector

V066 Brake Fluid Detector with high precision detection

Designed for modern smart water utility management, this advanced Smart Electronic Remote Water Meter features long-range wireless connectivity, high-precision Hall sensor metering, and robust IP68 waterproof protection. Equipped with remote valve control, two-way authentication encryption, and flexible billing models (prepayment and tiered tariffs), it offers a turnkey metering solution for residential, commercial, and municipal water management. Key Features &amp; Highlights High-Precision Metering &amp; IP68 Protection: Utilizes advanced Hall sampling for high reading accuracy. Housed in a fully sealed IP68-rated enclosure (compliant with GB4208-2008 standards), ensuring reliable operation even under submerged or harsh humid environments. Remote Control &amp; Intelligent Alarm Reporting: Supports real-time online remote valve opening and closing. Features an intelligent post-closure reporting cycle (hourly for 3 days, 4-hourly for days 3–30, and 24-hourly thereafter) alongside proactive alerts for low voltage, metering anomalies, and threshold limit breaches. Flexible Billing &amp; Data Storage: Offers customizable prepaid/postpaid options and user-category-based tiered water pricing. Stores up to 24 months of monthly frozen historical data to ensure complete billing audit trails. Operator-Grade Security &amp; Stable Antenna: Built with two-way authentication and air-interface encryption for end-to-end data security. Integrated high-gain internal/external antenna guarantees full signal coverage without blind spots. 6-Year Long Battery Life &amp; Easy Maintenance: Powered by a high-capacity battery providing at least 6 years of maintenance-free service. The independent battery compartment allows quick battery replacement without opening the main body enclosure. Instant Touch Wake-Up: Users can touch the sensor area for 3–5 seconds to manually wake up the meter and trigger immediate data transmission, allowing instant valve re-opening upon successful payment.    

NB-IoT Smart Electronic Water Meter with IP68 Waterproof, Remote Valve Control & Tiered Tariff Management

NB IoT Smart Electronic Water Meter with IP68 Waterproof

宁波铠盾电子工业股份有限公司

This is a water detector with a white housing in a round shape. It is equipped with high-precision components inside for excellent performance. This well-made gadget is easy to install and use.
 
  Alarm mode: &le;20mA. 
  Alarm decibel: &ge;85dB/3m. 
  Response time: &le;7 seconds. 
  Certification: CE. 
 

Water Detector

Water Detector with high precision components and easy installation

Electromechanical flow switches, suited for pipes of industrial plants: heating and air condition ing, refrigeration systems and heat pumps. Available in brass (suitable for normal media), and stainless steel AISI 316L (compatible with certain aggressive media). Technical data Contacts : Microswitch with switching contacts SPDT Switch capacity: 15 (8) A, 24...250 V AC Ambient temperature:-40…+85 °C Ambient humidity:10...90 % RH (non-condensing) Media temperature:-40…+120 °C Paddles:Stainless steel AISI 316L Material, casing cover:Transparent Polycarbonate (PC) Dimensions : 140 x 62 x 65 mm Protection class: IP65  

REGIN Liquid flow switch FLS304X FLS305XRE FLS306X FLS305XT

REGIN Liquid flow switch for industrial heating and refrigeration

Spot Water Leakage Sensor

Spot Water Leakage Sensor with LoRa modulation features

  This series of Wireless Digital Pressure Gauges is an industrial-grade, low-power pressure monitoring instrument engineered for real-time pipeline pressure acquisition and cloud telemetry. Built with a rugged explosion-proof alloy aluminum housing, 304 stainless steel connectors, and a 76mm full-screen LCD display, it delivers high-precision measurements with exceptional long-term stability. Featuring integrated MCU processing and versatile 4G, NB-IoT, or LoRa cellular connectivity, it provides an end-to-end smart metering solution for oil, water, and gas pipelines.  Key Features &amp; Highlights  Multiple Network Transmission &amp; Smart Configuration: Supports 4G, NB-IoT, and LoRa wireless networks with customizable IP address settings. Parameters including sampling rate, report frequency, and alarm limits can be configured via local Bluetooth or remotely through the platform. Comprehensive Pressure Ranges &amp; High Precision: Offers wide measurement capabilities across standard pressure (0-1.6...60 MPa), micro pressure (0-1...1000 kPa), and vacuum/compound pressure (-100...1000 kPa) with 0.5% FS accuracy class. Intelligent Alarm &amp; Asset Safety System: Features customizable full-range high/low pressure threshold alarms, pressure fluctuation alarms, low battery alerts, and GPS location tracking to ensure operational safety. Ultra-Low Power &amp; Dual Power Options: Powered by an internal 3.6V high-capacity lithium battery with ultra-low power consumption, or optionally wired via 12V/24V DC external power. Heavy-Duty Industrial Design: Encased in an explosion-proof alloy aluminum body with 304 stainless steel process connections. Equipped with anti-electromagnetic interference protection and broad operating temperature endurance (-40°C to 80°C).     

Wireless Digital Pressure Gauge with 4G/NB-IoT/LoRa, Explosion-Proof Case, Bluetooth Config & GPS Location Tracking

Wireless Digital Pressure Gauge with GPS and Bluetooth features

AL Goodwell Industries Ltd

  Transmitter/Receiver/Combination of Transmitter & Receiver  Aluminium Case, with Pin  Flower mesh/Black mesh/Waterproof Type/White mesh  Dia. Range: from 10mm to 25mm  Height Range: from 12 to 22.5mm  Frequency: 23/25/33/39/40 KHz  

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