Other Sensors

Product Description: YJJ Testo 0602 1293 Waterproof Immersion/Injury Type K-Type Thermocouple Probe for the Food and Catering Industry Features: I. Basic Product Information Ordering Model: 0602 1293 Type: K-type (NiCr-Ni) Waterproof Immersion / Penetration Thermocouple Probe Original Factory Positioning: Special temperature measurement probe for liquids, pastes, semi-solid substances, and food cores. Fully waterproof structure Compatible Instruments: testo 922/925, 435/440

Product Description: YJJ Testo 0602 0645 High Temperature Flexible K Type Temperature Sensor Probe for HVAC Oven Testing Features: I. Core Basic Specifications Thermocouple Type: K-type (Nickel-Chromium/Nickel-Silicon NiCr-Ni), with standard K-type mini thermocouple plug Temperature Range: -50°C to +400°C Accuracy Class: Class 2 (EN 60584-1), typical error ±2.5°C Response Speed: t90 < 5s, fast temperature response Dimensions and Specifications Total Cable Length: 1500 mm (1.5

L8000T003 Submersible Static Pressure Liquid Level Sensor for HVAC System Monitoring Municipal Water Supply & Drainage Product Model L8000T003 Detection Type Submersible Static Pressure Liquid Level Sensor Measuring Range 0 – 3 m Liquid Level Overpressure Resistance 1.5 Times Full Scale (1.5 FS) Output Signal 4 – 20 mA Analog Current Signal Power Supply Voltage 15 – 28 V DC Medium Temperature Range -10℃ ~ 80℃ Storage Temperature Range -40℃ ~ 100℃ Protection Grade IP68 (Full

Product Description: YJJ ESP32-S3-DevKitC-N16R8 Development Board - Dual-Core 32-Bit MCU AI Smart Device Wireless WIFI Bluetooth Capabilities Features: I. Basic Information Model Interpretation ESP32-S3: A new generation of dual-core main control chip with AI vector acceleration DevKitC-1: Standard general-purpose development board, with all pins exposed, USB-C power supply for download N16: 16MB Quad SPI Flash (program / web / AI model storage) R8: 8MB Octal PSRAM (super

Product Description: YJJ ESP32-C3-WROOM-02-N4 2.4GHz WiFi + Bluetooth BLE5.0 Wireless Module Features: I. Basic Information Brand Manufacturer: Espressif (Shanghai, China) Model Interpretation ESP32-C3: Built-in RISC-V single-core main control chip WROOM-02: Standard SMD wireless module series N4: 4MB Quad SPI Flash, industrial temperature range -40℃~+85℃ Antenna: Built-in PCB antenna (no U.FL socket, differentiated by suffix 02U for external antenna model) Package: 19-pin

Product Description: YJJ DC1040CR-701000-E PID Temperature Control Meter for Combustion Equipment Features: I. Interpretation of Complete Model Segments DC1040CR-701000-E DC1040: Panel size 96mm × 96mm (1/4 DIN square), dual row digital tubes + output beam display CR: Input type = R RTD thermal resistance dedicated, supports PT100/JPT100/JPT50, cannot directly connect thermocouples / 4-20mA linear signal 7: Main control output OUT1 = Three-digit motor forward/reverse drive

Product Description: YJJ RAK4631 Nordic NRF52840 BLE Core Module Supports LoRa SX1262 for Industrial Low-Power Monitoring Features: RAK4631 WisBlock Dual-Mode Core Module Complete Parameter Description Module Positioning: nRF52840 BLE5.0 + SX1262 LoRaWAN integrated WisBlock core board, divided into standard version RAK4631 (external antenna IPEX socket) and RAK4631-R (built-in antenna + RUI3 firmware), the hardware is completely the same only the firmware is different.

Product Description: YJJ RAK4630 NRF52840 SX1262 Which are used for LoRaWAN are LoRa+Bluetooth Modules Features: Basic Positioning RAK4630 is a stamp-style SMT surface mount dual-mode module, with an internal nRF52840 (BLE5.0 main control) + SX1262 LoRa radio; RAK4631 is a finished board with a base, and the core chip is RAK4630. The hardware cores of the two are exactly the same, only the packaging / base are different. RAKwireles... . The default pre-installed RUI3 AT

Product Description: YJJ LTP02-245-13 2-Inch 58mm Ultra-Thin Thermal Printer Core for Handheld Portable POS Machines Features: I. Basic Model Information Model: LTP02-245-13 Type: Row-type thermal printer core (ultra-thin small 2-inch model) Suffix distinction: Version 13 has no pressure paper shaft open cover detection switch; only the standard version lacks paper shortage photoelectric sensor + print head thermal resistance temperature measurement; the same series LTP01 is

Product Description: YJJ DC1020CT-30200B-E PID Temperature Control Meter for Heat Treatment /Baking Equipment Features: I. Interpretation of Complete Model Segments DC1020CT-30200B-E DC1020: Series size 48mm × 96mm (8/8 DIN vertical panel) CT: Input type = T = Special input for thermocouples (K/J/R/S/B/E/N/T/W etc. 12 types of thermocouples), cannot directly be PT100 thermoresistor 3: Main control output OUT1 = 4~20mA analog current continuous PID output 0: Second control

Product Description: YJJ LTP01-245-C1 3.0 - 4.2V Low-Voltage Medical Instrument Thermal Print Head Without Paper Feed Shaft Opening/Closing Switch Features: I. Basic Information Model: LTP01-245-C1 (Original Seiko Instruments product) Type: Horizontal thermal printer core (2-inch, 58mm paper width) Suffix C1: Does not have a paper feed shaft opening detection switch, only retains thermal head temperature detection and paper shortage photoelectric detection Compatible

Portable integrated anemometer measures wind speed, temperature, humidity, and pressure. IP67 waterproof, shockproof, with 300-hour battery life. Ideal for outdoor sports, field engineering, and firefighting. Includes calibration certificate.

Laser scattering sensor with full metal shielding for anti-interference. Detects PM1.0, PM2.5, PM10 up to 1000 μg/m³. Ultra-fast ≤8s stabilization, UART/PWM/IIC outputs, 12mm thin. Ideal for smart home, HVAC, and IAQ systems.

Advanced FMCW radar module detects both static and dynamic human presence with 0.75m distance resolution. Immune to light, temperature, and thin barriers. Features UART, Bluetooth, and GPIO outputs. Ideal for smart lighting, building automation, and security. Compact SMD design, low power, and customizable parameters.

High-precision PM2.5 sensor with 1 μg/m³ resolution and ≤1 s response time. Features all-metal shielding for interference resistance. Supports I2C, UART, and PWM outputs. Ideal for air purifiers, HVAC, and industrial dust monitoring. Compact 48x40x12mm design.

Professional handheld weather station measuring wind speed, temperature, humidity, and barometric pressure. Features Bluetooth 4.2, 4000 data records, IP67 waterproof, and ballistic trajectory correction. Ideal for hunting, firefighting, agriculture, and industrial safety.

Thickened industrial rubber case protects GasAlertMax XT II from drops, dust, and oil. Built-in stainless steel clip for belt wear. Maintains IP66/IP67 rating. Tool-free installation. Ideal for oilfield, chemical, and firefighting use.

Original YJJ 8290286 CO2 sampling hose, 2m length, 1.0mm inner diameter. Medical-grade PUR resists moisture and anesthesia corrosion, prevents condensation blockage. Compatible with Delg ventilators and anesthesia machines. Low gas adsorption ensures drift-free EtCO2 monitoring. 10 pieces per box.

Photoelectric smoke detector for household and industrial use. Features 9-24V DC operation, low static current ≤8mA, and relay output. Anti-dust and anti-interference design. RH-169 upgraded model offers optimized labyrinth for enhanced stability.

Dual 4-20mA output temperature and humidity sensor for HVAC and building automation. ±2% RH accuracy, PT1000 temperature sensor, long-term stability. Wall-mounted 86 box installation, IP30 protection. Ideal for offices, hotels, and clean rooms.