Product Introduction
The E3R Air Conditioning Billing Energy Meter uses LoRa technology and supports the LoRaWAN protocol. This protocol can send data at low frequencies with minimal complexity and cost. It is efficient, long-range, low-power, and cost-effective, suitable for various locations.
The E3R Air Conditioning Billing Energy Meter uses ultrasonic technology and Gentos' flow algorithm to measure fluid flow accurately in pipes. It is easy to install with a Clamp-on design, requiring only four steps without the need to touch the fluid or stop the flow.
Product Parameter
1)Body Parameters

2)Appearance




3)Technical Parameters
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Performance Specifications |
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Flow velocity |
0.1~16ft/s (0.03~5.0m/s) |
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Pipe Size |
DN20~DN80 |
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Measured medium |
water |
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Pipe Material |
Carbon steel, Stainless Steel, Copper, PVC (According to the user's model selection, the model has been determined at the time of delivery.) |
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Accuracy level |
±2% of measured value , velocity>0.3m/s |
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Temperature range |
4~95℃ |
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Temperature difference range |
3~75K |
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Temperature resolution |
0.01℃ |
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Function Index |
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Input interface |
2*PT1000 Clamp-on temperature sensor 0~100℃(32~212℉) |
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Communication interface |
RS485; FUJI or MODBUS Protocol |
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LoRa Communication |
Maximum Transmit Power: 22dBm |
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Temperature:-40~85℃ |
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LoRaWAN communication protocol is available |
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LoRa Frequency selection |
EU868 Frequency: 863000000~865400000, unit: HZ |
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US915 Frequency: 902300000~914900000, unit: HZ |
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CN779 Frequency: 780100000~786500000, unit: HZ |
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EU433 Frequency: 433775000~434665000, unit: HZ |
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AU915 Frequency: 915200000~927800000, unit: HZ |
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CN470 Frequency: 470300000~489300000, unit: HZ |
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AS923(HK) Frequency: 920000000~925000000, unit: HZ |
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Power supply |
10~36VDC/500mA |
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Keyboard |
4 touch keys |
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Display screen |
1.44 " LCD colorful screen, resolution 128 * 128 |
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Temperature |
Transmitter: -10℃~50℃ Transducer: 0℃~60℃ |
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Humidity |
Relative humidity 0~99%, No condensation |
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IP Rating |
IP54 |
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Physical Characteristics |
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Transmitter |
All-in-one |
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Transducer |
Clamp-on |
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Cable |
Ø5 Six-core cable, standard length: 2m |
Product Features
●Easy installation, no pipe damaging
●No adjustment, clip on to measure
●LCD color display
●360° rotation adjustable display screen
●Long transmission distance
●Strong penetrating ability
●Low power dissipation
●Strong anti-interference ability
●No wiring
●LoRaWAN communication protocol is available
Product details

The E3R Air Conditioning Billing Energy Meter is equipped with a colorful display, allowing users to conveniently view data and perform simple operations. The screen provides clear visibility and intuitively presents measurement results and parameters of the flow meter. Users can easily navigate through the screen's buttons to perform operations such as unit settings and flow meter calibration. This thoughtful design enhances the usability and ease of operation of the flow meter, while offering a visual representation of data for real-time monitoring and control of flow.
Product Applications
The E3R Air Conditioning Billing Energy Meter is a handy device that helps track water usage. The E3R Energy Meter is not just efficient but also powerful, able to work over long distances without using up too much power.
Installing the E3R Energy Meter is a breeze. With its all-in-one design and Clamp-on structure, setting it up is quick and straightforward. You only need to follow four simple steps to get it up and running. The best part is that you don't have to touch the water or stop the flow in the pipes during installation, making it a hassle-free process.
By leveraging LoRa communication technology and ultrasonic measurement principles, the E3R water meter offers a reliable and efficient solution for managing water usage effectively.
Product Qualification
For more than three decades, Gentos has been at the forefront of manufacturing top-notch, competitively priced ultrasonic flow meters, earning a reputation for excellence. We are industry leaders in innovation and eco-friendly products, striving to elevate industry standards while keeping costs reasonable.
As our product line continues to evolve, we remain committed to enhancing functionality and pushing the boundaries of quality and performance. Throughout the process of designing new products, we actively seek input from our valued customers, recognizing their invaluable contributions in shaping our success. It is through this collaborative approach that we have carved out a distinctive position in an industry that demands a seamless fusion of safety and performance.
Company environment display:



Certificate display:




Deliver, Shipping, and Serving



Shipping
Nurturing seamless customer experiences, Gentos has implemented an expedited delivery system, ensuring prompt product acquisition. Effortlessly, Gentos expedites order processing and swift product dispatch within an efficient 2 to 3-day window. Featuring an extensive selection of transportation and express delivery options, Gentos caters to the unique preferences of each customer.
FAQ
Q1: What is an Energy Meter in HVAC?
A1: Maximize HVAC system efficiency with energy meters. HVAC energy meters measure and monitor the energy consumption of heating, ventilation, and air conditioning systems to optimize efficiency.
Q2: What are the meters on your air conditioning unit?
A2: The metering device is a component in your air conditioning system that significantly reduces the temperature and pressure of the refrigerant coming out of the condenser before it enters the evaporator. Different types of metering devices have different charging methods, which are critical to the operation of your HVAC system.
Q3: How can monitor HVAC energy usage?
A3:Consider installing submeters to measure the energy consumption of individual components within your HVAC system, such as heating, cooling, and ventilation. Submeters provide detailed information about the energy consumption of each component.
Q4: How do I know if my air conditioner is energy efficient?
A4:The efficiency of a room air conditioner is measured by the Energy Efficiency Ratio (EER). The EER is the ratio of cooling capacity (measured in British thermal units (Btu) per hour) to the power input (measured in watts). The higher the EER rating, the more efficient the air conditioner.
Q5: How do I check my air conditioner consumption?
A5:To calculate the monthly energy consumption of a specific air conditioner in kWh, you can use the following formula: kWh consumed per month = kWh consumed per hour by the air conditioner * daily operating hours * number of days in the month.
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