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daviteq Lidar People Counter Manual

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Daviteq Sensing
Technologies
Daviteq Optical Sensing Technologies
Daviteq LPC Lidar People Counter - Measurement Principle
Daviteq Radar Sensing Technologies
Daviteq Gas Detection Technologies
Daviteq G4 Gas Sensor - Measurement Principle
Daviteq GHC Flammable Gas Sensor - Measurement Principle
Manual for AV10-G4-NH3 sensor for Livestock
Hướng dẫn sử dụng cảm biến AV10-G4-NH3 dùng cho chăn nuôi
Daviteq Electrical Sensing Technologies
Daviteq AC 5A Current Transducer - Measurement Principle
Daviteq Ultrasonic Level - Distance Measuring Technologies
Daviteq ULA Ultrasonic Level Sensor for Trash bin
Daviteq Air / Gas Flow Measurement Technologies
Daviteq AFD Air/Gas Flow Sensor
Daviteq Inertial Measurement Technologies
Daviteq V1A Vibration Sensor
Daviteq AG Tilt Sensor
Daviteq Pressure Measurement Technologies
Daviteq ULP Air/Gas Ultra-low Pressure Digital Sensor
Instructions for Grounding of Pressure Sensor
Daviteq Soil Measurement Sensors
Daviteq SMT Soil Moisture and NPK Sensor - Measurement Principle

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Summary of Contents for daviteq Lidar People Counter

  • Page 1 Daviteq Inertial Measurement Technologies Daviteq V1A Vibration Sensor Daviteq AG Tilt Sensor Daviteq Pressure Measurement Technologies Daviteq ULP Air/Gas Ultra-low Pressure Digital Sensor Instructions for Grounding of Pressure Sensor Daviteq Soil Measurement Sensors Daviteq SMT Soil Moisture and NPK Sensor - Measurement Principle...
  • Page 2 Daviteq Optical Sensing Technologies...
  • Page 3 - Measurement Principle 1. Overview Daviteq Lidar People Counter is a sensor with static lidar sensor with advanced and ultra-low-power MCU to perform the counting algorithm. To detect a person passing thru the gate, it uses lidar to measure the distance from the sensor to the object. As the changes in distance, it will understand a person passing thru the gate.
  • Page 4 FoV or when the person decides to return from the place he came from, and hence the counting values are not changed. 3. Commissioning (calibration) the Daviteq Lidar People Counter Commissioning the sensor is an important step to getting the sensor working properly.
  • Page 5 4. Application notes for Daviteq Lidar People Counter The Daviteq Lidar People Counter can be used to count people using the public toilet or going to a store, office room, or meeting room… The sensor will be mounted on the top of the gate or walkway with the sensor facing down to the floor. It can be used...

  • Page 6: Maintenance Of The Sensor

    (70% volume) malfunction 6. Maintenance of the sensor This Lidar people counter comprises 02 optical parts: - Lidar sensor with optical lense; - PIR sensor with lense; These 02 parts need to be checked and cleaned periodically, depending on the environment.

  • Page 7: Default Configuration

    7. Default configuration Please find below the default configuration. You can change the configuration to suit the requirement of specific applications as in section 3 above. Default Format Description Unit Property Comment Threshold setting for laser sensor to distinguish between when people are present and when no one is standing under the sensor The laser sensor will measure the distance value from the sensor (ceiling) to the floor.
  • Page 8 Daviteq Radar Sensing Technologies...
  • Page 9 Daviteq Gas Detection Technologies...

  • Page 10: Specification

    1. Introduction 1.1 Overview Daviteq G4 Gas sensor module is a gas measuring module that utilizes the Seri-4 electrochemical sensor with a high sensitivity to low concentrations of detected gas, high selectivity, and a stable baseline. It has an ultra-low noise...
  • Page 11 The temperature of the circuit board, in oC. 3. Calibration of the Daviteq G4 Gas Sensor The Daviteq G4 Gas Sensor must be connected to a reading device, normally it is a wireless transmitter like Sub-GHz, Sigfox, or LoRaWAN. In the reading device, the following parameter is configured in advanced:...
  • Page 12 Step 2. Attach the calibration cap to the sensor head Step 1. Remove the Filter and prepare the calibration Step 3. Installed the Regulator to the Gas cylinder Step 4. Attach the tube to the regulator Please use the Flow Regulator with a flow rate of 2.5 LPM or 5.0 LPM. With the 2-point calibration method, the user can define the A and B factors.
  • Page 13 Note: the Raw_value can be positive or negative; it will be in the range of -3.00 to +3.00 ppm Step 2: Get the Span value Note: Keep the sensor Power ON all the time; - Use the standard gas cylinder with a known concentration (for example NH3 in N2 with a concentration of 25ppm or 50ppm) to supply the gas to the sensor;...

  • Page 14: Installation Notes

    - User can use the off-line tool or downlink to write the values of A and B; - Writing the new A and B successfully meant you had done the calibration process. Congratulation! 4. Application notes for the Daviteq G4 Gas Sensor Depending on what type of gas sensor is used in the G4 gas module, the applications will be different.
  • Page 15 Please find below the steps of installation Step 2. Insert rain guard to the sensor filter and tighten Step 1. Prepare the rain guard. the locking screws 6. Troubleshooting for the Daviteq G4 Gas Sensor Phenomena Reason Solutions...
  • Page 16 7. Maintenance of the Daviteq G4 Gas Sensor What? How? When? Check and clean the filter every few months, depending on the Cleaning the Filter environment. Clean the filter with warm water and soap, then use Approx. 6-12 months compressed air to purge it from the inside out.
  • Page 17 Step 5. Insert the batteries and start calibration of the Step 6. Place the filter back. new sensor as per section 8. Default configuration This G4 gas sensor module has the default configuration, however, those parameters can be changed. The user can change the configuration on the wireless transmitter so that the complete sensor (transducer + wireless) delivers the proper output value.
  • Page 18 1. Introduction 1.1 Overview Daviteq GHC Gas sensor module is intended for the automatic continuous measurement of hydrocarbons or carbon dioxide concentration in the atmosphere. The sensor operating principle is based on NDIR technology, i.e. on selective absorption of LED-produced infrared radiation by gas molecules. The differential dual wavelength method allows the elimination of water vapor, optical elements contamination, and other non-selective hindrances influence.

  • Page 19: Cross-Sensitivity Data

    Additional Additional Calibration Readings stability within a temperature variability due to variability due to range pressure humidity ± 0.1% vol. or ± 5% of readings (whichever is greater) within the range of +20...+25 °C; ± 0.2% vol. or ± 30% ±...

  • Page 20: Principle Of Operation

    2. Principle of operation When infrared radiation interacts with gas molecules, infrared light is absorbed by the gas molecules at a particular wavelength, causing vibration of the gas molecules. NDIR (Non-Dispersive Infrared) gas sensors detect a decrease in transmitted infrared light which is in proportion to the gas concentration. This transmittance, the ratio of transmitted...
  • Page 21 3. Calibration of the Daviteq GHC Gas Sensor The Daviteq GHC Gas Sensor must be connected to a reading device, it usually is a wireless transmitter like Sub-GHz, Sigfox, or LoRaWAN. 3.1 Why do we need to calibrate the gas sensor? There are some reasons: - The output value of a sensor is different from the other sensor.
  • Page 22 NOTE: THE CALIBRATION CAN ONLY BE DONE IN THE SAFE ZONE!!! Instructions to attach the calibration cap onto the sensor module to get Zero or Span values. Step 1. Remove the Filter and prepare the calibration Step 2. Attach the calibration cap to the sensor head Step 3.
  • Page 23 Note: Keep the sensor Power ON all the time; - Use the standard gas cylinder with a known concentration (for example Eythylene Air 1.35% is equivalent to 50 %LEL ) to supply the gas to the sensor; - Use the calibration cap as above pictures to attach to the sensor and connect the tubing to the gas cylinder; - Open the valve on the Cylinder slowly and make sure the gas has reached the sensor.
  • Page 24 - User can use the off-line tool or downlink to write the values of A and B; - Writing the new A and B successfully meant you had done the calibration process. Congratulation! 4. Application notes for the Daviteq GHC flammable Gas Sensor Do not use a damaged sensor.
  • Page 25 The measuring module got a Please consult the manufacturer for problem. a warranty or replacement. 7. Maintenance of the Daviteq GHC Flammable Gas Sensor What? How? When? Check and clean the filter every few months, depending on the Cleaning the Filter environment.
  • Page 26 Step 3. Unplug the sensor module Step 4. Plug the new sensor module into the PCB Step 5. Insert the batteries and start calibration of the Step 6. Place the filter back. new sensor as per section 8. Default configuration This GHC gas sensor module has the default configuration, however, those parameters can be changed.
  • Page 28 1. Introduction Daviteq NH3 Gas sensor for Livestock is a NH3 gas measuring sensor that utilizes the Seri-4 electrochemical sensor with a high sensitivity to low concentrations of detected gas, high selectivity, and a stable baseline. It has an ultra-low noise amplifier to amplify the nano-ampere current signal from the sensor and delivers the stable and high-resolution output.
  • Page 29 Step 3. Installed the Regulator to the Gas cylinder Step 4. Attach the tube to the regulator Please use the Flow Regulator with a flow rate of 2.5 LPM or 5.0 LPM. Step 1: Get the Zero value. - Power ON the device; - Place the device in a clean-air environment (the target value is nearly zero) at a temperature from 20 - 30 oC, in at least 60 minutes.

  • Page 30: Installation

    Note: Always keep the sensor Power ON all the time; DO NOT PLACE THE SENSOR IN THE SPAN GAS FOR MORE THAN 5 MINUTES; IT WILL SATURATE THE SENSOR OUTPUT AND DEGRADE THE SENSOR LIFE QUICKLY. Step 3: Entering values to reading device After Zero and Span, you will get the voltage output correspond to zero gas and span gas value;...
  • Page 31 Connect the wires to Reading device as below: PWR+: 12-36VDC PWR-: GND OUT: 0-10VDC OUTPUT NC: Not used Plug the M12 connector to sensor Firmly tighten the M12 connection:...
  • Page 32 The wiring problem M12. or random noise Check power supply. The sensor is faulty Contact manufacturer. 5. Maintenance of the Daviteq NH3 Gas Sensor What? How? When? The gas sensor may be drifting over time. Please check the sensor Re-calibration Approx.
  • Page 33 Replace the new sensor module after 1-2 years of operation (please Sensor check the sensor specification of each gas type). Please see Approx. 1-2 years replacement below instructions. Sensor replacement instructions: * Please disconnect the device before doing the following steps Step 1.
  • Page 35 1. Giới thiệu Cảm biến khí NH3 của Daviteq dùng cho Chăn nuôi là thiết bị đo nồng độ khí NH3 sử dụng cảm biến điện hóa Seri-4 với độ nhạy cao, có thể phát hiện chính xác khí NH3 với nồng độ thấp, độ chọn lọc cao và ổn định. Thiết bị sử dụng bộ...
  • Page 36 Bước 3. Lắp van điều áp vào bình khí chuẩn Bước 4. Kết nối cảm biến vào bình khí chuẩn Lưu ý: Sử dụng Bộ điều áp với lưu lượng là 0,25 LPM hoặc 0.5 LPM. Bước 1: Lấy giá trị Zero. - Cấp nguồn thiết bị...

  • Page 37: Hướng Dẫn Lắp Đặt

    MÔ-ĐUN CẢM BIẾN. Bước 3: Nhập các giá trị vào thiết bị đọc Sau quá trình Zero và Span, ta sẽ có các giá trị điện áp tương ứng với mức khí Zero và Span. Nhập các giá trị này vào các thiết bị đọc (PLC,...) để có các kết quả điện áp chính xác. 3.
  • Page 38 Cắm đầu nối M12 vào cảm biến Siết chặt kết nối M12:...
  • Page 39 Nên sử dụng dây khác (dây rút nhựa hoặc dây thép không gỉ) để treo cảm biến, như vậy sẽ làm giảm lực căng của dây cáp tín hiệu. 4. Khắc phục sự cố cho Cảm biến khí NH3 Daviteq Hiện tượng Nguyên nhân...
  • Page 40 Thay thế mô-đun cảm biến mới sau 1-2 năm hoạt động (vui lòng Thay thế mô-đun kiểm tra thông số kỹ thuật cảm biến của từng loại khí). Vui lòng xem Sau khoảng 1-2 năm cảm biến hướng dẫn bên dưới. Cần kiểm tra và...
  • Page 41 Quy trình vệ sinh thiết bị: Cần vệ sinh chụp bảo vệ cảm biến định kỳ mỗi 3-6 tháng để đảm bảo cảm biến đo chính xác không khí môi trường xung quanh. Vui lòng ngắt kết nối thiết bị trước khi thực hiện. Bước 2.
  • Page 42 Bước 3. Vệ sinh phần vỏ bảo vệ bằng nước và khí nén. Đảm bảo vỏ bảo vệ khô ráo hoàn toàn sau khi vệ sinh Bước 4. Tháo bao nylon và lắp lại vỏ bảo vệ bằng cách vặn theo chiều kim đồng hồ. END.
  • Page 43 Daviteq Electrical Sensing Technologies...
  • Page 44 - Measurement Principle 1. Overview Daviteq AC 5A current transducer is a transducer to convert the AC current from the Current Transformer (CT) to DULP digital output so that it can connect to any wireless transmitter of Daviteq. It can connect to any brand of CT on the market.
  • Page 45 The Daviteq AC current transducer can connect to any Wireless transmitters manufactured by Daviteq which support DULP output. * DULP: Digital Ultra-low Power...
  • Page 46 3. Calibration of the Daviteq AC current transducer The Daviteq AC current transducer is designed and manufactured with accuracy: +/- 1% of Reading value and +/- 50 ppm of Reading per degree Celcius. The user can do re-calibrating the transducer by using an AC current calibrator to generate the accurate AC current.

  • Page 47: Installation Procedure

    4. Application notes for the Daviteq AC current transducer The Daviteq AC current transducer together with a wireless transmitter to be used in the following cases: To measure the current load, power of the machine, equipment...to record the current load by time and detect when the load is over the threshold for protection, for safety.
  • Page 48 5.2 Connect the AC transducer to Wireless Transmitter Connect the AC transducer to the wireless transmitter via the M12 connector. Make sure the connection is firm and tight as in below photo.
  • Page 49 6. Troubleshooting for the Daviteq AC current transducer Phenomena Reason Solutions Do nothing, it is the standard feature of the sensor. 0.5A is the low cut value for this The measured value In case the measured load is too sensor. Therefore the actual load...

  • Page 50: Default Configuration

    There are no moving parts or consumed parts in the AC current transducer, therefore there is no need to do maintenance for the AC current transducer. However, checking the grounding wire frequently is highly recommended. 8. Default configuration This AC current transducer has the default configuration, however, those parameters cannot be changed. The user can change the configuration on the wireless transmitter so that the complete sensor (transducer + wireless) delivers the proper output value.
  • Page 51 Daviteq Ultrasonic Level - Distance Measuring Technologies...
  • Page 52 1. Overview Daviteq ULA ultrasonic level sensor is a dual-transducer ultrasonic sensor to measure the distance from the sensor surface to the object surface. Its design is dust and waterproof. Therefore the sensor can be installed in any trash bin for indoor and outdoor applications.
  • Page 53 3. Calibration of the Daviteq ULA ultrasonic level sensor The Daviteq ULA ultrasonic level sensor measures the distance by taking the air speed of ultrasound in the ambient air. Therefore calibration is not required. However, in most trash bin applications, customers need to get the level value (in ‰) instead of distance. To do so,...
  • Page 54 A = 1000 / (DB - H) B = (1000 x H) / (H - DB) After that, use the offline tool or downlink to configure A & B to the sensor. 4. Application notes for the Daviteq ULA ultrasonic...

  • Page 55: Installation Notes

    The Daviteq ULA ultrasonic level sensor together with a wireless transmitter to be used in the following cases: To measure the filling level of waste in the trash bin with a height size from 45 to 450 cm;...
  • Page 56 The level value is not accurate with the actual The transducer is covered by a thin Clean the transducer surface with a level of waste in the layer of dust or particles. soft detergent and clean water. trash bin. Check the calculation of A&B again The A &...
  • Page 57 Daviteq Air / Gas Flow Measurement Technologies Thermal mass flow, Pitot tube, Orifice plate...
  • Page 58 1. Overview Daviteq AFD Air/Gas Flow Sensor is the flow probe that utilizes the Pitot tube measurement principle. This flow sensor is intended to use in the Duct Air of the HVAC system to measure the Air velocity and thus calculate the Air flow. The probe has various sizes to suit the pipe/duct size from 80mm to 2000mm in diameter.

  • Page 59: Installation

    3. Calibration of the Daviteq AFD Air/Gas Flow Sensor The Daviteq AFD Air/Gas Flow sensor is calibrated at the factory with Airflow. It is recommended the customer to re- calibrate the sensor every 12 months. The local 3rd party can carry out the calibration, but the customer needs to order an accessory from the manufacturer for calibration.

  • Page 60: Mounting Direction

    Figure 2. Dimension drawing of AFD-0200 5.1 Mounting Direction With Air/gas applications, the AFD flow sensor must be mounted as below figure. This ensures no fluid condensation inside the sensor for accurate and reliable measurement. Notes: * The Arrow on the probe must be in the same direction of fluid flow; * Adjust the nozzle height so that the probe tip must be within the measurement zone (from 10% to 90% of the inner diameter of the pipe) Figure 3.
  • Page 61 D is the inner diameter of pipe Figure 4. Wrong installation direction Figure 5. Not recommended installation direction 5.2 Maximum misalignment AFD flow sensor installation allows for a maximum misalignment of 3 degrees, as illustrated in the below figure. Misalignment beyond 3 degrees will cause errors in flow measurement. Figure 6: Maximum misalignment 5.3 Up and Downstream Straight Pipe requirement To ensure a homogeneous flow profile, it is necessary to mount the AFD flow sensor at a sufficient distance to narrow...

  • Page 62: Mounting Position

    90° bend 7 xD 3x D 2x90° bend in the same plane 2x90° bend in perpendicular planes 17 x D concentric reducer concentric expander ball/gate valve, fully open 24 x D D: Inner pipe diameter Figure 7. Maximum misalignment 1: upstream length; 2: downstream length; a: 90° bend; b: valve, open; c: 2x90° bend 5.4 Mounting Position The mounting position must be chosen such that access to the Device is always possible;...
  • Page 63 Figure 9. Fully installed probe on the round pipe Figure 8. Install the probe into the Nozzle 5.5.2 Install the AFD sensor on the rectangular shape Duct: Follow these steps: Drill a hole of 38mm diameter on the duct surface; Cleaning the hole;...
  • Page 64 Figure 12. Adjust the orientation of the probe 5.7 Attach the Wireless Transmitter to the probe...
  • Page 65 Figure 13. Attach the wireless transmitter to the probe 6. Troubleshooting for the AFD Air/Gas Flow Sensor Phenomena Reason Solutions Check and adjust the orientation The fluid velocity is very The probe orientation is wrong small or zero. again. The connection between probe and Check the M12 connection again...
  • Page 66 maintenance. However, the pressure sensor in the probe will drift over time. We do recommend customer to re-calibrate it every 12 months. Please follow the calibration procedure in this link. 8. Default configuration This AFD Air/Gas Flow Sensor has the default configuration. The user can change the configuration on the wireless transmitter so that the complete sensor (probe + wireless) delivers the proper output value.
  • Page 67 Daviteq Inertial Measurement Technologies...
  • Page 68 Daviteq V1A Vibration Sensor 1. Overview Daviteq V1A Vibration Sensor is a vibration sensing module that utilizes the Piezo acceleration sensor to measure the vibration with a frequency of up to 10 kHz for condition monitoring and preventive maintenance applications.

  • Page 69: Dimension Drawings

    Frequency range and resolution 2 .. 10,000 Hz, 1 Hz 3. Calibration of the Daviteq V1A Vibration Sensor The Daviteq V1A Vibration Sensor is calibrated at the factory. It is recommended the customer to re-calibrate the sensor every 12 months. Please contact us for calibration services.
  • Page 70 Figure 3. Dimension drawing of V1A module which is Figure 2. Dimension drawing of WS433-V1A-... used for WSLRW or WSSFC 5.2 Mounting Position Rule of thumb, the V1A will be installed at the place you want to measure the vibration and/or surface temperature. Here are some recommendations for the installation of V1A on some typical equipment based on standard ISO 20816 (or ISO 10816).
  • Page 71 Figure 8. Measuring points for vertical machine sets Figure 9. A pump system with 4 bearings and 5 positions of vibration monitoring 5.2 Mounting the sensor on the equipment's surface The V1A sensor has the inner threads M6 and there is an M6 screw that comes with the sensor as standard. There are 02 cases of mounting: 5.2.1 There are male threads or female threads at the place to mount the sensor: The V1A can be installed directly on the equipment's surface via an M6 screw or an adapter if the threads on the...
  • Page 72 Figure 10. There is inner threads M6 on the motor Figure 11. Mount the sensor on the M6 screw casing 5.2.2 There are no male threads or female threads at the place to mount the sensor: If the drilling is allowed, please make a drilled hole and then tap the inner threads M6 on the surface of the equipment so that you can install the V1A directly on the surface of the equipment.
  • Page 73 * Clean the surface with alcohol; * Apply the 2-part putty epoxy on the bottom surface of the base; * Place the base on the surface; * Use the leveling meter to level the surface of the base in 02 directions X and Y; LEAVE IT COMPLETELY DRY AND HARDEN IN AT LEAST 24 HOURS * Screw the M6 screw and install the sensor module.
  • Page 74 Figure 13. Connect the M12 cable to the sensor module 6. Troubleshooting for the V1A Sensor Phenomena Reason Solutions For LoRaWAN or Sigfox version: The wireless transmitter check the M12 connector and the is still running and cable to see any abnormal or The connection between the V1A sending data, however, looseness.
  • Page 75 Please consult the manufacturer for The sensor V1A got a problem. a warranty or replacement. 7. Maintenance of the V1A Vibration Sensor There are no moving parts or consumed parts in the V1A Vibration Sensor. Therefore there is no need to do maintenance.
  • Page 76 Daviteq AG Tilt Sensor 1. Overview Daviteq AG Tilt Sensor is an Euler angle measurement sensor that utilizes the advanced MEMS acceleration sensor to measure the Euler angles in three directions. The acceleration sensor has high resolution and low noise allowing it to deliver very high resolution and low-temperature drift.
  • Page 77 The Daviteq AG Tilt Sensor is calibrated at the factory. We highly recommend customers perform the offset adjustment on Software. 4. Application notes for the Daviteq AG Tilt Sensor The Daviteq AG Tilt Sensor together with a wireless transmitter to be used to measure the Tilt angle of any object, for example: - Tree;...
  • Page 78 5. Installation The AG sensor is built-in with the wireless transmitter. Therefore please refer to the installation procedure in the manual for the wireless transmitters. 6. Troubleshooting for the AG Tilt Sensor Phenomena Reason Solutions The wireless transmitter is still running and The connection between the AG tilt sending data, however, Please consult the manufacturer for...
  • Page 79 8. Default configuration There is no configuration required for the AG tilt sensor. There is only configuration for the Wireless transmitter, please refer to the wireless transmitter's manual. END.
  • Page 80 Daviteq Pressure Measurement Technologies...
  • Page 81 Pressure Digital Sensor 1. Overview Daviteq ULP Sensor is the digital, ultra-low pressure sensor offering state-of-the-art MEMS pressure transducer technology and CMOS mixed signal processing technology to produce a digital, fully conditioned, multi-order pressure and temperature compensated sensor. It is available in a gauge and a differential pressure configuration.
  • Page 82 A & B to the device. 4. Application notes for the Daviteq ULP Ultra-low Pressure Sensor The Daviteq ULP Ultra-low Pressure Sensor together with a transmitter to be used in the following cases: Gas Flow Instrumentation Air Flow Measurement...
  • Page 83 The pressure value is always very small or The tubes are bending or breaking Check the tubes and connection zero. The connection between the sensor Check the electrical connection of and transmitter is not firm the sensor module The pressure sensor got a problem Please consult the manufacturer for or the transmitter got a problem.
  • Page 84 Daviteq Pressure Measurement Technologies Instructions for Grounding of Pressure Sensor DEC-2022 CONNECTING GND FOR SENSOR Step 1: Open the blue housing of the sensor Step 2: Locate the GND point on the PCB (same GND point of Battery);...
  • Page 85 Step 3: Solder a wire to this GND point; the other end of the wire will be screwed to 1 of 2 screws on the aluminum base;...

  • Page 86: Support Contacts

    (stainless steel cylindrical body) → Use a hose clamp or stainless steel pipe bracket to lock the connection between the wire and the housing. Support contacts Manufacturer Daviteq Technologies Inc No.11 Street 2G, Nam Hung Vuong Res., An Lac Ward, Binh Tan Dist., Ho Chi Minh City, Vietnam.
  • Page 87 Tel: +84-28-6268.2523/4 (ext.122) Email: info@daviteq.com | www.daviteq.com...
  • Page 88 Daviteq Soil Measurement Sensors...

  • Page 89: Highlight Features

    1. Introduction 1.1 Overview Daviteq SMT is a Soil Moisture and NPK sensor that can simultaneously monitor soil temperature, humidity, conductivity, salinity, nitrogen, phosphorus, and potassium values in soil. By measuring the dielectric constant of the soil, it can directly and stably reflect the true moisture content of various soils. It can measure the volume percentage of soil moisture, which is a soil moisture measurement method that meets the current international standards.
  • Page 90 Sensor and soil act as oscillating circuits with an inductor and capacitor. 3. Calibration of the Daviteq SMT Soil Sensor The Daviteq SMT Soil Sensor is pre-calibrated with standard soil before shipping. Users can make further adjustments/calibrations in their software or reading device to meet higher accuracy for their specific soil.
  • Page 91 FDR sensors need to have good contact with the medium they measure with no air gaps; Since the electrode directly measures the conductivity of the soluble salt ions in the soil, the soil volumetric water content must be higher than about 20% when the soluble ions in the soil can accurately reflect the conductivity of the soil.
  • Page 92 Loosed connection of sensor probe Check the sensor cable and HW_Error = 1 and wireless transmitter. connector. Please consult the manufacturer for The sensor probe got a problem. a warranty or replacement. 7. Maintenance of the Daviteq SMT Soil Sensor...
  • Page 93 The SMT soil sensor is a maintenance-free sensor. 8. Default configuration This SMT soil sensor has the default configuration, however, those parameters can be changed. The user can change the configuration on the wireless transmitter so that the complete sensor (transducer + wireless) delivers the proper output value.

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