| Customization: | Available |
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| After-sales Service: | Installation Guidance |
| Warranty: | 12-Month |
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The thermal gas mass flowmeter adopts the principle of thermal diffusion, which is a technology with excellent performance and high reliability under harsh conditions. Its typical sensing elements include two thermal resistors (platinum RTDs), one is a velocity sensor and the other is a temperature sensor that automatically compensates for gas temperature changes.
When these two RTDs are placed in a medium, the velocity sensor is heated to a constant temperature difference above ambient temperature, while the other temperature sensor is used to sense the temperature of the medium. The mass flow rate of gas passing through the velocity sensor is calculated based on the heat transfer of the sensing element. As the gas velocity increases, the amount of heat transferred from the sensor to the medium also increases, requiring more power supply. The power of the electronic unit heating the RTD corresponds to the mass flow rate to a certain extent.
1. Quality calculation and standard condition volume measurement to reduce measurement errors;
2. The proprietary traffic data model algorithm can achieve high linearity, high repeatability, and high accuracy;
3. High performance intelligent microprocessors and analog-to-digital/digital to analog conversion chips;
4. Wide range ratio 1:1000; When measuring large caliber low flow rate, pressure loss can be ignored, low flow rate measurement is sensitive, and the minimum flow rate can be measured as low as 0.05m/s;
5. The selection, installation, use, and maintenance are simple, and can be continuously disassembled and maintained online (plug-in);
6. No movable parts, vibration impact can be ignored;
7. Not sensitive to small particles such as dust, suitable for measuring the flow rate of various single or mixed gases.
| Applicable Medium | Gas without moisture |
| Flow Rate Range | 0-60m/s (standard state is 20 ºC, 0.10133MPa), if it exceeds the measurement range, please consult with the manufacturer for customization |
| Accuracy | ± 1% reading, ± 0.5% full-scale |
| Repeatability | 0.2% full scale |
| Temperature Range | Environmental temperature -20 ºC -70 ºC; Medium temperature -20 ºC -120 ºC or -20 ºC~350 ºC |
| Power Supply | 24VDC/220VAC |
| Analog Output | 4~20mA/DC |
| Response Time | ≤1s |
| Temperature Coefficient | 0.05%/ºC |
| Communication Interface | Serial port output RS485/HART |
| Display | LCD display instantaneous/cumulative flow and heat |
| Process Pressure | ≤ 4.2MPa (if the pressure is greater than this, customization needs to be negotiated with the manufacturer) |
| Process Connection | Locking device/ball valve connection, flange connection, flange clamping. If other installation methods are required, customization should be negotiated with the manufacturer in advance |
| Explosion-Proof | Exdllct4 |
| IP Grade | Sensor IP67; IP65 transmitter |
| Alarm Point | Relay dry contact output, can choose upper limit single alarm point or upper and lower limit dual alarm points |
| Sensor Diameter | 3mm/4mm/5mm |
| Probe Diameter | The standard is 18mm. For special requirements, please contact the manufacturer to negotiate customization |
| Sensor Material | The standard is 1Cr18Ni9Ti; 304L; Ha C; tantalum |
| Probe Rod Material | The standard is 1Cr18Ni9Ti; 304L; Ha C; tantalum |
| Shell Material | Aluminum castings with powder coating for installation in hazardous areas |
| Electrical Interface | M20*1.5 |
| Pressure Loss | Pipelines with a diameter greater than DN80 can be ignored |
Kexiang Automation(Shandong) Co., LTD is committed to becoming a first-class industrial Internet of things visual monitoring system solution integrator.
Kexiang Automation is located in the scenic coastal city of Yantai. Since its establishment, the company has been adhering to the "Customer first, Integrity-based" business philosophy, always adhere to the "Base on products, Build quality" business policy. Our IoT visual monitoring system is based on "Industry 4.0" and was born under the background of "Made in China 2025". It is a 5S industrial IoT control system integrating production process technology, equipment technology, automation technology, Internet operation technology and IT technology.
Our IoT visual monitoring system mainly uses the Cyber-Physical System technology(CPS) to digitize and intelligently optimize the supply, manufacturing and sales information in industrial production, and finally achieve a fast, effective, personalized and visual display monitoring effect.
Q: Are you a manufacturer or trader?
A: We are manufacturer which focuses on sensor and IoT solution provider for 10 years.
Q: How long is your delivery time?
A: It depends on the quantity. Normally it's about a week to two weeks.
Q: How to get quotation?
A: Please tell us the pipe diameter, measuring medium, flow rate, temperature, pressure, connection type and accuracy of the product you need, we will choose the most suitable product for you.
Q:Can I design our own logo or color ?
A:Sure ! we can laser mark your logo on products; OEM and ODM customization are welcomed.
Q:Can I place a small order for the first time?
A:Yes. We have no MOQ limit. Any order means your recognition of us, we believe we will have long-term cooperation.
Q: What is the warranty of your products?
A: Our warranty time is 12 months after shipment.
Q: What's the transport?
A: Express such as DHL, FedEx, TNT, UPS for freight prepaid and we can also use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea.
Q: What are your terms of payment?
A: We could accept T/T, PayPal, Western Union, etc.
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