Description
7Semi LM35 Waterproof Temperature Sensor Probe 1M Cable (Analog)
The 7Semi LM35 Waterproof Temperature Sensor Probe (Analog, 1M Cable) is a precision analog temperature sensor that provides a linear voltage output proportional to the temperature in Celsius. Built using the LM35 IC, this sensor offers high accuracy, low self-heating, and ease of use. It is housed in a stainless-steel waterproof casing, making it ideal for measuring temperatures in liquids, outdoor environments, and industrial applications. The 1-meter pre-wired cable ensures convenient installation in a wide variety of setups.
Technical Specifications:
- Sensor Model: LM35 (Analog Temperature Sensor)
- Output Type: Analog voltage (linear)
- Output Scale: 10 mV/°C
- Measurement Range: -55°C to +150°C
- Accuracy: ±0.5°C (typical at 25°C)
- Operating Voltage: 4 V to 30 V DC
- Output Impedance: 0.1 Ω typical
- Cable Length: 1 meter
- Cable Type: PVC insulated, 3-core cable (Red: VCC, Black: GND, Yellow: Output)
- Probe Material: Stainless steel, waterproof and corrosion-resistant
- Probe Dimensions: Diameter ~6 mm, Length ~50 mm
- Response Time: <1.5 seconds (in liquid)
- Power Consumption: <60 µA (typical)
- Load Regulation: 0.1 mV/mA (typical)
- Operating Temperature: -55°C to +150°C
- Storage Temperature: -60°C to +155°C
- Compatibility: Works with Arduino, ESP32, STM32, Raspberry Pi, and analog-based microcontrollers
Features:
- High-accuracy analog temperature sensor with linear voltage output (10 mV/°C)
- Fully waterproof stainless-steel probe suitable for liquid and outdoor use
- Operates over a wide temperature and voltage range
- Simple 3-wire interface for easy connection to ADC or analog input pins
- Low power consumption ideal for battery-operated systems
- No calibration required — factory-calibrated in Celsius scale
- Fast thermal response and stable performance over time
- Compatible with most analog-to-digital converter-equipped microcontrollers
- Compact and durable design with long cable for flexible installation
- Ideal for real-world environmental and industrial sensing applications
Applications:
- Liquid temperature measurement in tanks, pipelines, and containers
- Industrial and process temperature monitoring
- IoT-based environmental and smart home systems
- Agricultural and greenhouse temperature sensing
- HVAC systems and refrigeration monitoring
- Battery, motor, and electronics thermal management
- Laboratory experiments and educational electronics projects
- Weather stations and outdoor temperature data logging