Advertisement
Quick Links
Advertisement
Related Manuals for Tokyo Keiki HC-10
Summary of Contents for Tokyo Keiki HC-10
- Page 1 Document No. KF23-003 Hybrid Level Gauge HC-10 Installation & Operation Manual...
- Page 2 Please read this manual carefully and follow directions before installing and operating the device. TOKYO KEIKI INC. is not at all liable for an injury and/or a damage resulting from misuse of this device by the user that is contrary to these cautionary notes.
- Page 3 Label Important information is written on the label of a transmitter. Please check the information before using it.
- Page 4 Introduction Thank you for selecting our Hybrid Level Gauge HC-10. This manual includes explanations regarding HC-10. Read this manual carefully before operation to ensure an adequate understanding of the device. Proper use of the Operation Manual The following points must be observed: Ensure that the manual is supplied to the operator of the device.
- Page 5 Prohibitions and Precautions for Safety For your safety, please observe the following. WARNING ・Please observe the safety instructions in this manual. We cannot guarantee the safety if the device is handled contrary to the instructions. ・Modification of the device is strictly prohibited. We are not responsible for any damages or defects caused by the remodeling.
- Page 6 Restrictions and Precautions necessary to maintain the device The following must be observed in order to maintain the device. CAUTION ・ Do not drop or bump the unit and the transducer. ・ Do not use the unit in environmental conditions (ambient temperature, ambient humidity) other than those prescribed in this manual.
- Page 7 (6:Blank)
- Page 8 3.4 Power Supply ．．．．．．．．．．．．．．．．．．．．．．． 3.5 Grounding ．．．．．．．．．．．．．．．．．．．．．．．．． 3-4 Chapter 4. Specifications ．．．．．．．．．．．．．．．．．． 4.1 Main Unit Specifications ．．．．．．．．．．．．．．．．． 4.2 Options ．．．．．．．．．．．．．．．．．．．．．．．．．． 4-2 4.3 Model Code ．．．．．．．．．．．．．．．．．．．．．．．． 4.4 Dimension ．．．．．．．．．．．．．．．．．．．．．．．．． 4-3 Chapter 5. Measurement Principle of Hybrid Level Gauge HC-10 Measurement Principle ．．．．．．．．．．．．．．．．．．． 5-1...
- Page 9 5.1.1 Measurement by Radar Level Gauge ．．．．．．．．．．．． 5-1 5.1.2 Measurement by Pressure Level Gauge ．．．．．．．．．． 5.1.3 Suppression of Atmospheric Pressure Fluctuation Error ．． 5-3 5.1.4 Switching of Sensors ．．．．．．．．．．．．．．．．．． 5-3...
- Page 10 Chapter 1. Configuration 1.1 Device Overview This device is a combination of a level gauge that uses the propagation time of microwaves to measure the distance from the antenna to the liquid surface (Radar Level Gauge) and a level gauge that uses the measurement of liquid pressure to measure the distance from the liquid surface to the pressure receiving part (Pressure Level Gauge).
- Page 11 (optional). Power can be supplied from a power supply unit, PLC, DCS, etc. An example of a system configuration is shown in Fig. 1-2. For details on how to adjust the device, refer to the configuration software manual. － Power 電源 HC-10 RPL-10 Supply 出力信号 Output Signal ユニット...
- Page 12 Chapter 2. Installation 2.1 Caution Caution If the installation method or location is not appropriate, it may be measured incorrectly. Please read this manual carefully before installing it. 2.1.1 Measurement Range of Radar Level Gauge This device is a combination of Radar Level Gauge and Pressure Level Gauge. As shown in Fig.
- Page 13 2.2.2 Installation of Pressure Level Gauge When installing a Pressure Level Gauge, observe the following. ・ In order to prevent deposit from sticking and clogging to the pressure receiving part, please install the Pressure Level Gauge so that it does not come into contact with liquid. ・...
- Page 14 Radar level gauge Reference point 0m Measurement by Pressure Level Gauge 0.3m Radiation face Measurement by Radar Level Gauge Pressure Level Gauge Fig. 2-2 Measurement range Fig. 2-3 Installation location of Radar Level Gauge Pressure Level Gauge Mounting fixture Pressure receiving part Fig.
- Page 15 Fig. 2-6. When installing, use the range shown in List 2-1 and Fig. 2-7 as a guide for beam area. Beam angle 50°(Lengthwise direction) Beam area Beam angle 23°(Crosswise direction) HC-10 Power Cable Sensor Cable Fig. 2-6 Beam angle List 2-1 Beam angle &...
- Page 16 2.4 Effect on the Measurement Range In addition to reflectors in the beam area, interference, obstacles, there are other factors that affect the measurement range. These are listed below. ・ Compared to calm fluid surfaces, measurement range of turbulent surfaces is reduced due to poorer reflection.
- Page 17 Following installation examples are recommended. 2.5.1 Installation for Waterway When using HC-10 in a waterway, install the device with lengthwise direction of transmitter head to be same direction of flow direction as below. Also, please install the cable outlet on the downstream side. Also please keep the required free space from the wall.
- Page 18 Fig. 2-10 Example of wall side mounting installation for Inlet water level measurement 2.5.2 Installation for Storage Tank When installing HC-10 on the ceiling of a tank, please avoid installing the device at the center of tank, because the reflection of side beam will affect stable measurement.
- Page 19 2.5.3 Installation in Manhole When installing inside a manhole, please pay attention to the flow direction of the waterway and the distance from the wall according to 2.5.1 Installation for Waterway. Fig. 2-12 Installation in Manhole...
- Page 20 + (blue) Connect to + side power line - (white) Connect to - side power line HC-10 Cable FG (yellow) Frame Ground Connect to the ground terminal of the cabinet with cable shield line. In case of grounding already at transmitter head side, do not Connect this line to the ground line at the cabinet.
- Page 21 Fig.3-3. Any analog recorder can be connected instead of HART modem. HART modem Power Supply Unit 250Ω HC-10 MRF-10 Fig. 3-2 Connection to Commissioning Software Cables Please use the cable attached to the product. When extending the cable, use the following cables.
- Page 22 Load Allowable load resistance is shown in Figure 3-3. The maximum load resistance value at the maximum supply voltage of this equipment is indicated by ① in Figure 3-3. (Example: The maximum supply voltage for this equipment is 36 VDC, so the maximum load resistance is 909Ω.) The resistor typically used for HART modem is 250Ω...
- Page 23 Please connect only FG line to arrester grounding line. The shield of extension line should be taken at ground line of power source side as below. The lightening arrester should be installed nearby HC-10 transmitter head. Extention cable Power HC-10...
- Page 24 Please connect the grounding terminal nearby cable entry to the ground. Grounding Terminal Fig. 3-7 Grounding terminal position Do not use FG line, only with cable shield connects to grounding line as below. Power HC-10 MRF-10 source Shield Fig. 3-8 Example of installation 4...
- Page 25 3-6 (Blank)
- Page 26 Chapter 4. Specifications 4.1 Main Unit Specifications 4-1 Main Specifications Purpose Level Measurement Measurement Principle Microwave Pulse Echo/Pressure Sensor Combined Frequency 5.8 GHz Microwave Transmitting Less than 35µV/m @3m Power Antenna Type Micro-Strip Antenna Half Power Beam Width Lengthwise：50° Crosswise：23° Target Media Water Media...
- Page 27 4-2 Sensor Specifications Microwave Pulse Radar Measurement Range 0.3～10m from reference point σ＜１mm Repeatability ※1 ±5mm (0.3～5m) Accuracy ±10mm (5～10m) ±3mm/10K and less than 20mm p-p ※2 Temperature Drift Pressure Sensor Measurement Range -8～0.3m from reference point σ＜5mm Repeatability ※1 ※4 Accuracy ±50mm...
- Page 28 4.4 Dimension Fig. 4-1 Dimension (Without Mounting Fixture)
- Page 29 Fig. 4-2 Dimension (With Mounting Fixture)
- Page 30 Fig. 4-3 Dimension (With Ceiling Mounting Fixture)
- Page 31 Fig. 4-4 Dimension (Mounting Fixture of Sensor)
- Page 32 Chapter 5．Measurement Principle of Hybrid Level Gauge HC-10 5.1 Measurement Principle HC-10 5.1.1 Measurement by Radar Level Gauge HC-10 utilizes the microwave pulse radar with frequency of GHz. By measuring propagation time to the object, the distance can be calculated.
- Page 33 5.1.2 Measurement by Pressure Level Gauge HC-10 The pressure sensor of this device is an absolute pressure sensor, and can measure the sum of liquid pressure and atmospheric pressure. As shown in formula (3), the liquid pressure P can be obtained by subtracting the atmospheric...
- Page 34 5.1.3 Suppression of Atmospheric Pressure Fluctuation Error HC-10 HC-10 has a function to calibrate the measured value of Pressure Level Gauge, and automatically suppresses the influence of errors due to atmospheric pressure fluctuation. Using the measured value by radar sensor L...
- Page 35 5-4 (Blank)
- Page 36 Document No. KF23-003 Hybrid Level Gauge HC-10 Installation & Operation Manual First Published in May 2023 Issue TOKYO KEIKI INC. Measurement Systems Company 2-16-46, Minami-Kamata, Ohta-Ku, Tokyo 144-8551, Japan TEL 03-3737-8621 FAX 03-3737-8665 https://www.tokyokeiki.jp/ Reprinting, transmitting or reproducing of this manual is prohibited.
Need help?
Do you have a question about the HC-10 and is the answer not in the manual?
Questions and answers