FirstRate is a leader in innovative sensor technology, dedicated to providing precise and reliable solutions for various industries. Our sensors are designed to meet the highest standards of accuracy and durability, ensuring optimal performance in even the most demanding environments.
From industrial automation to environmental monitoring, FirstRate’s diverse range of sensors is engineered to deliver exceptional results. With a commitment to quality and customer satisfaction, FirstRate continuously advances sensor technology to meet evolving market needs.
Trust FirstRate for cutting-edge sensors that enhance efficiency, safety, and productivity across your applications.
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Showing all 28 results
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Pressure Sensor
FirstRate FST800-1000 Pressure Transmitter Oil Sensor OutPut 4 ~ 20mA voltage 9~30V DC
Pressure SensorFirstRate FST800-1000 Pressure Transmitter Oil Sensor OutPut 4 ~ 20mA voltage 9~30V DC
SKU: R123393- Model: FST800-1000 Pressure Transmitter
- Test Range: 0-25Bar
- Pressure type: Gauge pressure
- Signal Output: 4-20mA
- Power Supply: 9~30VDC
- Accuracy:1%FS
- Pressure port: G1/4 male
- Electrical connector: Big Hirschmann
SKU: R123393 -
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Pressure Sensor
FirstRate FST800-1500 Pressure Transmitter Water Pressure Sensor OutPut 4 ~ 20mA voltage 9~30V DC
Pressure SensorFirstRate FST800-1500 Pressure Transmitter Water Pressure Sensor OutPut 4 ~ 20mA voltage 9~30V DC
SKU: R123394- Measuring medium: Water
- Material: 304 stainless steel
- Supply voltage: Â 9~30VDC
- Operating temperature: -40~+135℃
- Protection level: Â IP65
- Storage temperature: -40~+150℃
- Supply current: 10mA (maximum)
SKU: R123394 -
Environmental Sensors
FirstRate FST200-201 Wind Speed Anemometer sensor OutPut 4 ~ 20mA Range 0.5~50m/S
Environmental SensorsFirstRate FST200-201 Wind Speed Anemometer sensor OutPut 4 ~ 20mA Range 0.5~50m/S
SKU: R123388- Model: FST200-201
- Operating temperature:  -20~+85℃
- Protection level: Â IP65
- Test range:0.5-50m/s
- Signal output: 4-20mA
- Accuracy: ±3%FS
- Electric connector: M12 connector with 1.5m cable
- Material: Aluminum alloy
SKU: R123388 -
Temperature & Humidity Sensor
FirstRate FST600-400A Non-Contact Infrared Temperature Sensor Temperature Range 0~60℃
Temperature & Humidity SensorFirstRate FST600-400A Non-Contact Infrared Temperature Sensor Temperature Range 0~60℃
SKU: R123401- Model: FST600-400A
- Test range:0~300℃℃
- Signal output:4~20mA
- Power supply:9-30VDC
- Ambient temperature: 0~60℃
- Optical resolution: 20:1
- Accuracy: ±2%
- Protection: IP65
- Electrical connection: Direct out 1.5M cable
SKU: R123401 -
Pressure Sensor
FirstRate FST800-4001 Hydraulic Pressure Transmitter Sensor OutPut 4 ~ 20mA Range 0~100MPa
Pressure SensorFirstRate FST800-4001 Hydraulic Pressure Transmitter Sensor OutPut 4 ~ 20mA Range 0~100MPa
SKU: R123392- Model: FST800-4001 Pressure Transmitter
- Test Range: 0-600Bar
- Pressure type: Gauge pressure
- Signal Output: 4-20mA
- Power Supply: 9~30VDC
- Accuracy:0.5%FS
- Pressure port: G1/4 male
- Electrical connector: M12
SKU: R123392 -
Environmental Sensors
FirstRate FST100-2006C Soil Conductivity Sensor Material Graphite
SKU: R123397- Model: FST100-2006C Soil Conductivity Sensor (EC value)
- Test range: 0~10 mS/cm
- Operating temperature: -40°C~80°C
- Signal output:RS485
- Power supply:12~24V
- Electrical connector: Direct out 1M cable
SKU: R123397 -
Environmental Sensors
FirstRate FST100-2006B Soil PH Level sensor Measuring range 3-9 PH
SKU: R123396- Model: FST100-2006B Soil PH sensor
- Test range:3-9PH
- Accuracy: ±0.3PH
- Operating temperature: 0°C~60°C
- Signal output: RS485
- Power supply: 12~24V
- Electrical connector: Direct out 1M cable
SKU: R123396 -
Pressure Sensor
FirstRate FST800-211A Pressure Transmitter Sensor OutPut 4 ~ 20mA voltage 9~30VDC
SKU: R123391- Model: FST800-211A Pressure Transmitter
- Test Range: 0-6Bar
- Pressure type: Gauge pressure
- Signal Output: 4-20mA
- Power Supply: 9~30VDC
- Accuracy:0.5%FS
- Pressure port: G1/4 male
- Electrical connector: Direct lead 3M cable
SKU: R123391 -
Environmental Sensors
FirstRate FST200-205 Wind Speed & Wind Direction Integrated Sensor OutPut 4 ~ 20mA Range 0~50m/S
Environmental SensorsFirstRate FST200-205 Wind Speed & Wind Direction Integrated Sensor OutPut 4 ~ 20mA Range 0~50m/S
SKU: R123390- Model: FST200-205
- Operating Voltage: 12-30VDC
- Test range:0~50m/s and 0~360℃
- Signal output: 4-20mA
- Accuracy: ±3%FS/±3℃
- Electric connector: M12 connector with 5m cable
- Material: Aluminum alloy
SKU: R123390 -
Pressure Sensor
FirstRate FST800-217 Pressure and Temperature Sensor
SKU: R164496- Dual Measurement: Measures pressure and temperature simultaneously.
- Pressure Range: 6 to 600 bar, ±0.3% FS accuracy.
- Temperature Compensation: ±0.02% FS/°C drift.
- Durability: IP65, shock, vibration, and overload resistant.
- Electromagnetic Protection: Anti-lightning and EMC compliant.
- Wide Temp Range: -40°C to +125°C.
SKU: R164496 -
Environmental Sensors
FirstRate FST400-3000 Built In Cylinder Magnetostrictive Displacement Sensor
SKU: R164497- Non-contact design for durability.
- 16-bit resolution for high precision.
- Measuring range: 0-2000mm.
- Multiple outputs: Analog (0-5V, 0-10V) and Digital (SSI, RS232, RS485).
- IP67 protection for harsh environments.
- Wide temperature range: -40°C to +85°C.
SKU: R164497 -
Environmental Sensors
FirstRate FST200-205A Heated Wind Speed and Direction Sensor
SKU: R164494- Heated Design: Prevents ice buildup.
- Aluminum Alloy: Corrosion and weather-resistant.
- RS485 (Modbus RTU): Easy integration.
- Accuracy: ±0.5 m/s (<5 m/s), ±3% FS (≥5 m/s).
- Range: 0-50 m/s, 16 directions.
SKU: R164494 -
Environmental Sensors
FirstRate FST200-1002 Plastic Wind Speed Sensor
SKU: R164495- sor measuring principle, high accuracy and reliability; strong wind resistance, strong corrosion resistance;
- Wide wind speed measurement range, with low starting wind speed;
- Compact design, automatic heating , low temperature defrosting;
- Â Sensor circuit protection with fault-tolerant capability;
- Meet CE EMC standard, multi-levels for anti-lightning anti-surge design
SKU: R164495 -
Water TDS, pH, Flow, Level Sensor
FirstRate FST100-EC103A Electrical Conductivity Sensor
SKU: R164498- Measuring Range: 0-20 µS/cm to 200 mS/cm
- Accuracy: ±1.5% FS (conductivity), ±0.3°C (temperature)
- Temperature Compensation: Automatic with Pt1000 sensor
- Signal Output: RS-485
- Construction: POM shell, IP68 protection
SKU: R164498 -
Environmental Sensors
FirstRate FST400-1000 Pressure-resistant Outer Tube Magnetostrictive Displacement Sensor
Environmental SensorsFirstRate FST400-1000 Pressure-resistant Outer Tube Magnetostrictive Displacement Sensor
SKU: R150999- Model: FST400-1000
- Application: Hydraulic control, piston position, fan pitch, brake control
- Output: 4~20mA
- Supply Voltage: 24VDC
- Temperature Range: -40 to +85°C
- Protection: IP67
SKU: R150999 -
Default Category
FirstRate FST100-ZD102 Smart Turbidity Sensor
SKU: R150998- Model: FST100-ZD102
- Application: Metallurgy, power, pharmaceuticals, chemical, petroleum, water quality
- Turbidity Range: 0.4000 NTU
- Temperature Range: 0…80℃
- Material: 316 Stainless Steel
- Output: 4~20mA, RS485 (MODBUS-RTU)
- Protection Class: IP68
SKU: R150998 -
Environmental Sensors
FirstRate FST100-2201 Solar Radiation Shield For Weather Monitor
SKU: R151004- Model: FST-100-YL105
- Application: Water disinfection, residual chlorine monitoring
- Measuring Range: 0-20 mg/L
- Signal Output: 4-20mA
- Data Communication: RS485 (MODBUS-RTU)
- Material: PC + stainless steel
- Protection: IP68
SKU: R151004 -
Environmental Sensors
FirstRate FST100-2008 Tipping Bucket Rain Gauge
SKU: R151000- Rain opening size: φ200mm.
- Rain intensity range:≤4 mm/min (Allowed to pass the maximum rain intensity of 8 mm/min)
- Sharp edge: 40~45°
- Pulse signal (pulse): 1 pulse represents 0.2mm rainfall
- Digital signal (RS485): Corresponding to 0~2000mm,Standard MODBUS-RTU
protocol,9600 baud rate;
SKU: R151000 -
Environmental Sensors
FirstRate FST-100-YL105 Smart Residual Chlorine Sensor
SKU: R151003- Model: FST-100-YL105
- Application: Water disinfection, residual chlorine monitoring
- Measuring Range: 0-20 mg/L
- Signal Output: 4-20mA
- Data Communication: RS485 (MODBUS-RTU)
- Material: PC + stainless steel
- Protection: IP68
SKU: R151003 -
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Environmental Sensors
FirstRate FST100-2006A Soil temperature & humidity and conductivity sensor Temperature range -40~85℃ Accuracy ±0.5℃
Environmental SensorsFirstRate FST100-2006A Soil temperature & humidity and conductivity sensor Temperature range -40~85℃ Accuracy ±0.5℃
SKU: R123395- Model: FST100-2006A
- Operating temperature: -40°C~80°C
- Signal output:RS485
- Power supply: 12~24V
- Response time: ≤1 second
- Electrical connector: Direct out 1M cable
SKU: R123395 -
Light Sensor
FirstRate FST100-2003 Illuminance transmitter Sensor Light intensity: ±7% (25℃)
SKU: R123403- Model: FST100-2003
- Test range:0-65535Lux
- Accuracy: ±7%(25°C)
- Signal output: RS485
- Operating temperature: -40°C~80°C
- Power supply: 10~30V
- Electrical connector: Direct lead 1M cable
SKU: R123403
