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Portable combustible gas leak detector
● Sensor Type: Catalytic sensor ● Detect gas: CH4/Natural gas/H2/ethyl alcohol ● Measure range: 0-100%lel or 0-10000ppm ● Alarm point: 25%lel or 2000ppm ,adjustable ● Accuracy: ≤5%F.S ● Alarm: Voice + vibration ● Language: Support English& Chinese menu switch ● Display: LCD digital display, Shell Material: ABS ● Working voltage: 3.7V ● Battery capacity: 2500mAh Lithium battery ● Charging voltage: DC5V ● Charging time: 3-5hours ● Ambient environment: -10~50℃,10~95%RH ● Product Size: 175*64...
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Portable pump suction single gas detector
System configuration 1. Table1 Material List of Portable pump suction single gas detector Gas Detector USB Charger Please check materials immediately after unpacking. The Standard is necessary accessories. The Optional can be chosen according to your needs. If you have no need to calibrate, set the alarm parameters, or read the alarm record, don’t purchase the optional accessories. System parameter Charging Time: about 3hours~6 hours Charging Voltage: DC5V Service Time: Combustible ...
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Composite portable gas detector
System configuration 1. Table1 Material List of Composite portable gas detector Composite portable Gas Detector USB Charger Certification Instruction Please check materials immediately after unpacking. The Standard is necessary accessories. The Optional is can be choose according to your needs. If you have no need to calibration, set the alarm parameters, or read the alarm record, don’t purchase the optional accessories. System parameter Charging Time: about 3hours~6 hours Cha...
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Integrated wind speed and direction sensor
The integrated wind speed and direction sensor is composed of wind speed sensor and wind direction sensor. The wind speed sensor adopts the traditional three-cup wind speed sensor structure, and the wind cup is made of carbon fiber material with high strength and good start-up; the signal processing unit embedded in the cup can output the corresponding wind speed signal according to the user’s demand, and the wind direction sensor adopts precision potentiometer inside, and chooses low i...
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Wind sensor with integrated functionality
The integrated wind speed and direction sensor is composed of wind speed sensor and wind direction sensor. The wind speed sensor adopts the traditional three-cup wind speed sensor structure, and the wind cup is made of carbon fiber material with high strength and good start-up; the signal processing unit embedded in the cup can output the corresponding wind speed signal according to the user’s demand, and the wind direction sensor adopts precision potentiometer inside, and chooses low i...
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Integrated/split type explosion-proof ultrasonic level gauge
● Safety: Die-cast aluminum alloy waterproof and explosion-proof casing; the explosion-proof grade of the instrument reaches Exd(ia)IIBT4; ● Stable and reliable: We choose high-quality modules from the power supply part in circuit design, and select high-stable and reliable devices for the procurement of key components; ● Patented technology: Ultrasonic intelligent technology software can perform intelligent echo analysis without any debugging and other special steps. This technology has the ...
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CLEAN DO30 Dissolved Oxygen Meter
●Boat-shaped floating design, IP67 waterproof grade. ●Easy operation with 4 keys, comfortable to hold, accurate value measurement with one hand. ●Selectable dissolved oxygen unit: concentration ppm or saturation %. ●Automatic temperature compensation, automatic compensation after salinity/atmospheric pressure input. ●User-replaceable electrode and membrane head kit (CS49303H1L) ●Can carry out throwing water quality measurement (automatic locking function) ●Easy maintenance, the battery and el...
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Flow Meter Portable Open Channel Flow Meter
Product introduction: The working principle of the open channel weir and groove flowmeter is to set a standard water weir groove in the open channel, so that the flow rate of the water flowing through the weir groove is in a single value relationship with the water level, and the water level is measured according to the specified position, and calculated by the corresponding formula. flow. According to the principle, the accuracy of the water flow measured by the flow meter, in addition to th...
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Wind Direction Sensor Weather Instrument
Measurement range：0～360° Accuracy：±3° Staring wind speed：≤0.5m/s Power supply mode：□ DC 5V □ DC 12V □ DC 24V □ Other Out-put： □ Pulse：Pulse signal □ Current：4～20mA □ Voltage：0～5V □ RS232 □ RS485 □ TTL Level: （□frequency □Pulse width） □ Other Instrument line length：□ Standard：2.5m □ Other Load capacity：Current mode impedance≤300Ω Voltage mode impedance ≥1KΩ Operating environment：Temperature -40℃～50℃ Humidity≤100%RH Defend grade：IP45 Cable grade：Nominal voltage：300V Temper...
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Ambient Dust Monitoring System
The system consists of particle monitoring system, noise monitoring system, meteorological monitoring system, video monitoring system, wireless transmission system, power supply system, background data processing system and cloud information monitoring and management platform. The monitoring sub-station integrates various functions such as atmospheric PM2.5, PM10 monitoring, ambient temperature, humidity and wind speed and direction monitoring, noise monitoring, video monitoring and video cap...
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WGZ-500B, 2B, 3B, 4000B Portable Turbidity Meter
● Portable, AC and DC power supply, with low voltage indication and automatic shutdown function. The serial RS232 communication interface can be connected with a micro printer. ● Microcomputer low-power configuration, touch keyboard, LCD screen with backlight, can display date, time, measurement value and measurement unit at the same time. ● Measuring range can be manually selected or automatically switched. The calibration standard value can be set arbitrarily by programming, and 1-7 points ...
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Portable Multiparameter Transmitter
1. One machine is multi-purpose, which can be expanded to use various types of sensors; 2. Plug and play, automatically identify electrodes and parameters, and automatically switch the operation interface; 3. The measurement is accurate, the digital signal replaces the analog signal, and there is no interference; 4. Comfortable operation and ergonomic design; 5. Clear interface and high-resolution LCM design; 6. Easy to operate, with Chinese and English menus.nt is accurate, the digital signa...
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About Us
Brief description：
Chengdu Huacheng Instrument Co., Ltd. is a professional manufacturer and supplier of environmental monitoring instruments and equipment. More than 100 kinds of meteorological and environmental instruments developed by our company have been recognized and applied by users at home and abroad. The Huacheng brand has become a symbol in the industry. The products can be widely used in meteorology, agriculture, forestry, ecological environmental protection, hydrology and water conservancy, construction, transportation , energy and other fields.
LI FANG HUA CHENG
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