Sensors for S3 module
- Soil Temperature & Humidity Sensor
- Photosynthetically Active Radiation Sensor
- Illuminance Sensor
- Photoelectric Direct‑Reading Water Meter
- Temperature & Humidity Sensor
- Pressure Water Level Gauge
- CO₂ Sensor
- Compact Weather Station
- Component Temperature Sensor
- Photoelectric Direct‑Reading Water Meter
- Soil Temperature Sensor
Soil Temperature & Humidity Sensor
About the product
The MP‑508C Soil Temperature & Humidity Sensor measures soil moisture and soil temperature at the same time. It helps growers understand how much water is available in the soil and how warm the root zone is — both are essential for healthy plant growth.
The sensor can be inserted into the soil for quick measurements or permanently installed for long‑term monitoring. Its stainless‑steel probe and sealed housing make it suitable for greenhouses, outdoor fields, and automated irrigation systems.
Specification
● Soil moisture range: 0–100% (volumetric)
● Soil temperature range: –20 to +80 °C
● Response time: <1 second
● Accuracy: – Temperature: ±0.5 °C – Moisture: ±2% (0–50% range)
● Output: RS485 (Modbus RTU)
● Operating voltage: 12–24 V DC
● Working current: ~20 mA
● Power consumption: ≤0.3 W
● Protection level: IP68
● Cable length: 3 m (shielded, 4‑core)
● Probe material: Stainless steel 316
● Housing material: ABS
● Measurement zone: Cylinder approx. 2.5 cm × 6 cm around the probe
Installation
Open
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Insert the sensor probe fully into the soil.
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Avoid shaking or twisting the sensor during insertion.
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Do not install the sensor where stones or hard objects may damage the probe.
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When removing the sensor, pull it out by the body, not the cable.
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After use, clean and dry the probe.
Installation tips
● Vertical installation provides an average reading over ~6 cm depth.
● Choose a location with uniform soil density.
● Avoid areas with roots, gravel, or air pockets.
● For long‑term monitoring, ensure stable soil contact around the probe.
Calibration
This sensor does not require user calibration for normal operation. It is factory‑calibrated and ready to use.
Photosynthetically Active Radiation Sensor
About the product
The RY‑CGH Photosynthetically Active Radiation (PAR) Sensor measures the amount of light available for plant photosynthesis in the 400–700 nm range. This is the part of sunlight plants use to grow, and monitoring it helps optimize lighting, shading, and greenhouse conditions.
The sensor works outdoors in all weather and can be connected to a data logger or controller.
Specification
● Spectral range: 400–700 nm
● Measurement range: 0–4000 µmol/m²·s
● Sensitivity: 7–50 µV per µmol/m²·s
● Response time: <1 s
● Temperature influence: ≤0.05% per °C
● Cosine correction: Accurate up to 80° light angle
● Output options: – 4–20 mA (RY‑CGH/S) – RS485 Modbus RTU (RY‑CGH/485)
● Operating conditions: – Temperature: –40 to +65 °C – Humidity: <90%
● Cable length: 3 m
● Weight: ~220 g
Installation
Open
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Mount the sensor horizontally so the top dome faces the sky.
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Ensure nothing shades the sensor — even small shadows affect readings.
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Keep the sensor clean; dust or water spots reduce accuracy.
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For outdoor use, install in a stable location away from reflective surfaces.
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Avoid tilting the sensor — correct readings require a level surface.
Calibration
The sensor is factory‑calibrated and does not require user calibration.
Recommended maintenance:
● Clean the optical surface regularly
● Check that the sensor remains level
● Inspect the cable for damage in outdoor installations
Illuminance Sensor
About the product
The RY‑G/W Illuminance Sensor measures light intensity (Lux) in greenhouses, grow rooms, and outdoor environments. It helps growers understand how much visible light plants receive, allowing better control of shading, supplemental lighting, and environmental conditions.
The sensor has a durable aluminum housing, is waterproof (IP65), and works reliably outdoors.
Specification
● Measurement ranges (optional): – 0–2,000 Lux – 0–20,000 Lux – 0–200,000 Lux
● Wavelength: 400–700 nm (visible light)
● Accuracy: ±3% or 1% F.S
● Response time: 1 s
● Output options: – 4–20 mA (RY‑G/W/S) – RS485 Modbus RTU (RY‑G/W/485)
● Power supply: 12 V or 24 V DC
● Working current: – <35 mA (voltage/current versions) – <20 mA (RS485 version)
● Power consumption: – <0.42 W (voltage/current) – <0.24 W (RS485)
● Operating temperature: –30 to +60 °C
● Protection level: IP65
● Cable length: 3 m
● Weight: 220 g
Installation
Open
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Mount the sensor horizontally with the lens facing upward.
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Ensure no objects cast shadows on the sensor.
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Keep the optical surface clean for accurate readings.
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Install away from reflective surfaces (metal, glass).
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For outdoor use, ensure stable mounting and proper sealing.
Calibration
The sensor is factory‑calibrated and does not require user calibration.
Recommended maintenance:
● Clean the lens regularly
● Ensure the sensor remains level
● Inspect cable and connectors periodically
Photoelectric Direct‑Reading Water Meter
About the product
The CC‑FL‑120W is a photoelectric direct‑reading water meter that reads the digit wheel electronically with zero reading error. Unlike pulse‑based meters, it directly detects the wheel position, ensuring fully accurate consumption data.
The meter uses a dry‑type rotary vane mechanism, offering high measurement accuracy, long service life, and stable operation. It is designed for smart metering systems and can integrate with remote monitoring platforms.
Specification
● Model: CC‑FL‑120W
● Power supply: 12–24 V DC
● Interfaces: RS‑485 or M‑Bus
● Operating current: – M‑Bus: ≤10 mA (reading), ≤1.5 mA (static) – RS‑485: ≤5 mA (reading), ≤1 mA (static)
● Operating environment: – Water temperature: 0.1–45 °C – Humidity: 0–95% RH
● Storage temperature: –25 to +65 °C
● Max water pressure: 1 MPa
● Max pressure loss: 0.063 MPa
● Communication speed: 1200 / 2400 / 4800 / 9600 bps
● Communication protocols: DL/T645, CJ/T188, internal or customer‑specified
● Max communication distance: 300 m
● Protection: IP68
● ESD protection: >10 kV
Installation
Open
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Choose the meter size based on expected flow.
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Install the meter horizontally with the numbers facing upward.
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Ensure the arrow on the meter matches the water flow direction.
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Avoid locations with direct sunlight, freezing, moisture, or flooding.
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Flush new pipes before installation to remove debris.
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Use proper connectors — do not force or twist the meter body.
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Install valves before and after the meter for easy maintenance.
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Protect the meter from pipe stress; use a bracket if needed.
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During freezing periods, insulate the meter and pipes.
Calibration
The sensor is factory‑calibrated and does not require user calibration.
Temperature & Humidity Sensor
About the product
The RY‑WS301 is a compact, pen‑type sensor designed to measure air temperature and humidity in indoor and outdoor environments. It provides fast response, high accuracy, and stable long‑term performance. The sensor includes a protective filter tube that improves waterproofing and dust resistance, making it suitable for harsh or high‑humidity conditions.
Specification
● Temperature range: – Analog version: –40 to +60 °C – RS485 version: –40 to +85 °C
● Humidity range: 0–100% RH
● Accuracy: – Temperature: ±0.3 °C (typical @25 °C) – Humidity: ±3% RH (10–80% RH @25 °C)
● Response time: <15 s
● Output: RS485 (Modbus RTU)
● Power supply: 9–24 V DC
● Working current: <20 mA @12 V
● Consumption: <0.2 W
● Operating temperature: –40 to +85 °C
● Storage: –40 to +85 °C (non‑condensing)
● Protection level: IP65
● Cable length: 3 m (customizable)
● Weight: <100 g
Installation
Open
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Install the sensor in a location with good air circulation.
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Avoid placing it near heat sources, direct sunlight, or ventilation outlets.
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For outdoor use, place the sensor inside a radiation shield (light‑shutter box).
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Ensure the filter tube remains clean and unobstructed.
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Mount the sensor vertically for best airflow.
Calibration
The sensor is factory‑calibrated and does not require user calibration.
Recommended maintenance:
● Clean the filter tube periodically
● Avoid exposure to corrosive gases
● Ensure the cable and connectors remain dry
Pressure Water Level Gauge
About the product
The RY‑CWYW/485 is a fully sealed, stainless‑steel pressure‑based water level and temperature sensor. It is designed for wells, tanks, rivers, industrial processes, hydrology, mining, and water‑management systems.
The sensor is drop‑in (submersible), highly stable, and supports long‑distance RS485 communication.
Specification
Measurement
● Water level range: 0–10 m to 0–200 m (depending on model)
● Accuracy: ±0.1% FS (0.2% / 0.5% optional)
● Long‑term stability: <0.1% FS/year
● Overload capacity: 5× FS
● Temperature accuracy: ±0.2 °C (0–70 °C)
● Temperature resolution: 0.01 °C
Environmental
● Operating temperature: –10 to +80 °C
● Compensated temperature: 0–50 °C
● Storage temperature: –40 to +125 °C
● Protection: IP68
● Insulation: 100 MΩ @ 50 V
Electrical
● Power supply: 9–30 V DC
● Interface: RS485 (Modbus RTU)
● Load capacity: up to 128 devices
● Protections: reverse polarity, overvoltage, surge, EMI
Construction
● Housing: Stainless steel 316L
● Cable: PVC or polyurethane, with air‑guide tube
● Cable diameter: 7.6 mm
● Cable length: customizable
Installation
Open
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Lower the sensor into the well, tank, or water column using the cable.
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The cable includes a steel reinforcement wire — attach this wire securely so the weight is supported by the steel, not the electrical cable.
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Protect the cable connector at the wellhead to avoid blocking the air‑guide tube.
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Ensure the cable is not bent sharply or crushed.
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For absolute‑pressure versions, the air tube is not present.
Calibration
The sensor is factory‑calibrated and normally does not require adjustment.
Users may adjust: ● Zero offset (mm) ● Liquid density (kg/m³)
CO₂ Sensor
About the product
The RY‑VS09 CO₂ sensor measures carbon dioxide concentration in indoor and outdoor environments. It uses a high‑quality NDIR CO₂ probe imported from Sweden, providing stable readings, strong antistatic performance, and reliable long‑term operation.
The sensor is suitable for greenhouses, grow rooms, fresh‑air systems, storage facilities, and environmental monitoring.
Specification
● Measurement principle: NDIR
● Range: 0–5000 ppm
● Accuracy: ±70 ppm ±3% of reading (after ABC stabilization)
● Power supply: 12 V DC
● Current consumption: – RS485: <35 mA – 4–20 mA: <55 mA
● Power consumption: – RS485: <0.42 W – Current output: <0.66 W
● Outputs: – 4–20 mA (RY‑VS09) – RS485 Modbus RTU (RY‑VS09/485)
● Cable length: 1.5 m (current), 3 m (RS485)
● Max cable distance: – Current: 200 m – RS485: 100 m
● Operating temperature: 0–50 °C
● Humidity: 0–100% RH (powered)
● Preheat time: <1 min
● Ingress protection: IP65
● Weight: ~200 g
● Housing size: 140 × 30 mm
Installation
Open
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Install the sensor indoors or outdoors in a location with good airflow.
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Keep it away from high‑power electrical equipment to avoid interference.
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Use the included U‑clip to mount the sensor on a wall or bracket.
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After installation, verify that data collection works normally.
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If readings are incorrect, check cable connections.
Calibration
The sensor uses ABC (Automatic Baseline Correction) and does not require manual calibration in normal environments.
Recommended maintenance:
● Keep the housing clean
● Avoid exposure to corrosive gases
● Ensure cables remain dry and undamaged
Compact Weather Station
About the product
The XF700A is a seven‑in‑one compact weather station that continuously monitors key outdoor environmental parameters. It integrates temperature, humidity, wind speed, wind direction, air pressure, rainfall, and light intensity into one device, providing real‑time data through a digital interface (RS485 Modbus RTU).
The station has no moving parts, is easy to install, and is designed for long‑term outdoor use.
Specification
Measured parameters
| Parameter | Range | Accuracy | Resolution | Sampling |
|---|---|---|---|---|
| Air temperature | –40 to +85 °C | ±0.3 °C @25 °C | 0.01 °C | 1 Hz |
| Air humidity | 0–100% RH | ±3% RH | 0.01% RH | 1 Hz |
| Wind speed | 0–60 m/s (75 m/s optional) | ±(0.3 + 0.03V) m/s | 0.01 m/s | 4 Hz |
| Wind direction | 0–359.9° | ±3° (<10 m/s) | 0.1° | 4 Hz |
| Air pressure | 500–1100 hPa | ±0.5 hPa | 0.1 hPa | 1 Hz |
| Rainfall | 0–200 mm/h | — | 0.01 mm | 1 Hz |
| Illuminance | 0–200 kLux | ±3% or 1% FS | 10 Lux | 1 Hz |
General
● Operating temperature: –40 to +80 °C
● Output: RS485 Modbus RTU (SDI‑12 optional)
● Power supply: 9–30 V DC
● Protection: IP65
● Cable: 3 m (10 m optional)
● Mounting: Sleeve‑type (flange or bent‑plate optional)
● Optional features: GPS, electronic compass, heating, CAN, ASCII, NMEA, 4G module
Wiring
The station uses a standard RS485 communication interface.
● Power: 9–30 V DC
● Communication: RS485 A/B
● Cable: 4‑core shielded, 3 m (optional 10 m)
Installation
Open
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Mount the weather station using the sleeve, flange, or bent‑plate bracket.
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Install the device in an open area with no obstructions for accurate wind and rainfall measurement.
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Ensure the radiation shield (temperature/humidity/pressure sensors) is unobstructed and ventilated.
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Avoid installing near heat sources, reflective surfaces, or strong electromagnetic interference.
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Secure the cable to prevent movement or strain.
Calibration
The XF700A is factory‑calibrated and does not require user calibration.
Optional adjustments (via Modbus):
● Rainfall accumulation time
● Magnetic declination (if compass installed)
● Device address
● Baud rate
Component Temperature Sensor
About the product
The RY‑WS12S is a compact, waterproof temperature sensor designed for surface temperature monitoring of components such as equipment housings, panels, pipes, and electronic modules.
It uses a high‑precision temperature probe and a stable sampling algorithm to provide accurate readings. The sensor supports RS485 Modbus RTU communication and includes protection against over‑voltage, over‑current, and reverse polarity.
It is suitable for OEM integration, automation systems, and industrial monitoring.
Specification
● Measurement range: –50 to +120 °C
● Resolution: 0.01 °C
● Accuracy: ±0.3 °C
● Output: RS485 (Modbus RTU)
● Power supply: 7–15 V DC (24 V optional)
● Power consumption: <15 mA @12 V
● Probe: Stainless steel Ø6 × 30 mm
● Probe cable: 1 m
● Transmitter cable: 15 m
● Transmitter size: 60 × 35 × 25 mm
● Protection: Waterproof design
● Communication: Modbus RTU (address, baud rate, correction adjustable)
Installation
Open
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Attach the stainless‑steel probe directly to the surface of the component you want to measure.
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Use the disc‑shaped probe design to ensure good contact with flat surfaces.
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Secure the transmitter box using screws or adhesive if needed.
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Avoid installing near strong electromagnetic sources.
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Ensure the cable is not bent sharply or under tension.
Calibration
The sensor is factory‑calibrated. If needed, you can adjust:
● Temperature correction value (–10.0 to +10.0 °C)
● Device address
● Communication baud rate
These settings are changed through Modbus commands.
Photoelectric Direct‑Reading Water Meter
About the product
The CC‑FL‑120W is a photoelectric direct‑reading water meter that reads the digit wheel electronically, eliminating the reading errors common in pulse‑type meters. It is designed for remote metering systems and provides zero electromechanical conversion error, high accuracy, and long service life.
The meter uses a dry‑type rotary vane mechanism, ensuring stable measurement, low starting flow, and reliable operation. It supports multiple communication protocols and integrates easily into smart metering systems for water, electricity, and gas.
Specification
● Model: CC‑FL‑120W
● Power supply: 12–24 V DC
● Interfaces: RS485 or M‑Bus
● Operating current: – M‑Bus: ≤10 mA (reading), ≤1.5 mA (static) – RS485: ≤5 mA (reading), ≤1 mA (static)
● Operating environment: – Water temperature: 0.1–45 °C – Humidity: 0–95% RH
● Storage temperature: –25 to +65 °C
● Max water pressure: 1 MPa
● Max pressure loss: 0.063 MPa
● Communication speed: 1200 / 2400 / 4800 / 9600 bps
● Protocols: DL/T645, CJ/T188, internal, or custom
● Max communication distance: 300 m
● Protection: IP68
● ESD protection: >10 kV
● Fault protection: open‑circuit, short‑circuit, idle‑time protection
Flow performance
| Model | DN (mm) | Q4 (m³/h) | Q3 (m³/h) | Q2 (m³/h) | Q1 (m³/h) |
|---|---|---|---|---|---|
| CC‑FL‑15 | 15 | 3.125 | 2.5 | 0.050 | 0.030 |
| CC‑FL‑20 | 20 | 5.00 | 4.0 | 0.080 | 0.050 |
| CC‑FL‑25 | 25 | 7.875 | 6.3 | 0.128 | 0.080 |
| CC‑FL‑32 | 32 | 12.5 | 10.0 | 0.20 | 0.125 |
| CC‑FL‑40 | 40 | 20 | 16.0 | 0.320 | 0.200 |
Accuracy zones: ● Low zone (Q1 → Q2): ±5% ● High zone (Q2 → Q4): ±2%
Dimensions
| DN | Length (mm) | Width (mm) | Height (mm) | Thread | Weight (kg) | Cable (m) |
|---|---|---|---|---|---|---|
| 15 | 165 | 98 | 104 | G1/4B | ~1.4 | 0.8 |
| 20 | 195 | 98 | 106 | G1B | ~1.7 | 0.8 |
| 25 | 225 | 103 | 112 | G1¼B | ~2.5 | 0.8 |
| 32 | 230 | 104 | 117 | G1½B | ~2.7 | 0.8 |
| 40 | 245 | 124 | 147 | G2B | ~4.8 | 0.8 |
Installation
Open
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Select the meter diameter based on expected flow.
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Install horizontally with the digit wheel facing upward.
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Ensure the arrow on the meter matches the water flow direction.
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Avoid direct sunlight, freezing, moisture, and flooding.
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Flush new pipes before installation to remove debris.
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Prevent hot‑water backflow if installed near a boiler.
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Use proper connectors — do not force or twist the meter body.
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Install valves before and after the meter for easy maintenance.
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Protect the meter from pipe stress; use a bracket if needed.
Soil Temperature Sensor
About the product
The RY‑DW01 is a stainless‑steel soil temperature sensor designed for agricultural monitoring, storage environments, scientific research, and IoT systems. It provides accurate temperature readings with fast response time and stable performance. The sensor is available in 4–20 mA or RS485 Modbus RTU versions.
It is compact, waterproof, easy to install, and cost‑effective for long‑term field deployment.
Specification
● Measurement range: –20 to +80 °C (optional: –40 to +120 °C)
● Accuracy: ±0.3 °C
● Resolution: 0.01 °C
● Output: – 4–20 mA – RS485 Modbus RTU
● Probe size: Ø6 × 150 mm
● Cable length: 3 m
● Housing: Stainless steel, fully sealed, waterproof, anti‑corrosion
Installation
Open
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Insert the stainless‑steel probe fully into the soil.
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Avoid bending or forcing the probe into hard soil or stones.
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Ensure the cable is not under tension.
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For long‑term installation, protect the cable from moisture and mechanical damage.
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Keep the probe clean after removal.
Calibration
The sensor is factory‑calibrated and does not require user calibration.