Price list for water meter calibration and measurement (2023)

In modern life, the use of water meters is extremely important for controlling monthly water consumption in households or businesses. However, to ensure the accuracy of water meters, regular verification and calibration are necessary. Therefore, knowing the price list for water meter verification can help users plan their finances accordingly. In this article, we will refer to the price list for water meter verification and related information regarding verification and calibration of water meters.

Price List for Water Meter Verification and Calibration (2023)

The price list for water meter verification is usually regulated by water management agencies or water supply companies and may vary depending on the location and specific regulations. However, these costs are generally not excessively high and are based on the number of water meters and the verification time.

For detailed information about the cost of water meter verification, you should contact the local water supply company or water management agency for advice and specific information.

Below are the price lists for water meter verification and calibration in Hanoi in 2023, which you can refer to.

Water Meter Verification Certificate
Water Meter Verification Certificate

Price List for Water Meter Verification (2023)

Below is the price list for water meter calibration applied in Hanoi (2023).

  • Mechanical water meter
Size of mechanical water meter for calibration Calibration cost (VND)
DN 15mm 10,000
DN 20mm 15,000
DN 25mm 20,000
DN 32mm 130,000
DN 40mm 200,000
DN 50mm 250,000
DN 65mm 540,000
DN 80mm 810,000
DN 100mm 1,620,000
DN 125mm 1,800,000
DN 150mm 2,250,000
DN 200mm 2,700,000
DN 250mm 3,330,000
DN 300mm 4,050,000
DN 350mm 6,600,000
DN 100mm 8,200,000

Note: The inspection price does not include 10% VAT.

  • Electronic water meter
Size of electronic water meter for inspection Inspection cost (VND)
15 60,000
20 60,000
25 300,000
32 300,000
40 400,000
50 600,000
65 1,000,000
80 1,300,000
100 2,100,000
125 2,600,000
150 3,200,000
200 4,000,000
250 4,700,000
300 6,250,000
350 8,500,000
400 10,000,000
500 20,000,000
600 23,500,000
700 28,000,000
800 33,000,000
1000 43,000,000

Note: The inspection price does not include 10% VAT.

Price list for Calibration/Testing of Water Meters (2023)

Below is the price list for Calibration/Testing of Water Meters applied in Hanoi (2023).

  • Mechanical water meter
Size of mechanical water meter for testing Calibration/Testing cost (VND)
DN 15mm 15,000
DN 20mm 20,000
DN 25mm 25,000
DN 32mm 150,000
DN 40mm 250,000
DN 50mm 300,000
DN 65mm 540,000
DN 80mm 810,000
DN 100mm 1,620,000
DN 125mm 1,800,000
DN 150mm 2,250,000
DN 200mm 2,700,000
DN 250mm 3,330,000
DN 300mm 4,050,000
DN 350mm 6,600,000
DN 100mm 8,200,000

Note: The calibration/testing price does not include 10% VAT.

  • Electronic water meter
Size of electronic water meter for calibration/testing Calibration/Testing cost (VND)
15 60,000
20 60,000
25 300,000
32 300,000
40 400,000
50 600,000
65 1,000,000
80 1,300,000
100 2,100,000
125 2,600,000
150 3,200,000
200 4,000,000
250 4,700,000
300 6,250,000
350 8,500,000
400 10,000,000
500 20,000,000
600 23,500,000
700 28,000,000
800 33,000,000
1000 43,000,000

Note: The calibration/testing price does not include 10% VAT.

What is water meter calibration?

Water meter calibration is the process of evaluating the accuracy of a water meter. Typically, this calibration is performed by water management agencies or water supply companies to ensure that the water meters operate accurately and meet the requirements for measuring water consumption by customers. This calibration is often conducted periodically to ensure that the water meters function properly and do not deviate from accuracy during usage.

Mechanical water meter calibration table
Mechanical water meter calibration table

Some water meters that have been calibrated by Viva:

-11%
8.000.000 
-14%
6.000.000 
-6%
18.900.000 
-7%
2.500.000 
-25%
300.000 
-9%
3.900.000 
-6%
15.300.000 
-3%
15.600.000 

Why is water meter calibration necessary?

Water meter calibration is necessary for the following reasons:

  • Ensure accuracy: Water meter calibration helps ensure that the meters operate accurately and meet the requirements for measuring water consumption by customers.
  • Protect customer rights: If the water meters do not operate accurately, customers may be billed for more or less water than they actually use. Water meter calibration helps protect the rights of customers.
  • Ensure fairness in billing: Water meter calibration helps ensure fairness in water billing, avoiding cases where some customers are overcharged or undercharged for the actual water usage.
  • Water conservation: Water meter calibration helps detect technical faults in water meters early on, thereby ensuring water consumption is saved and minimizing environmental risks.
  • Compliance with regulations: Water meter calibration is a legal obligation for water management agencies or water supply companies, helping them comply with regulations on efficient management and use of water resources.
Calibrated water meter
Calibrated water meter

When should water meters be calibrated?

Water meters are usually calibrated at the following times:

  • Periodically: These are specific calibration intervals defined in legal regulations or regulations of water management agencies. Typically, water meters are calibrated after a certain period of time, such as 2 years, 5 years, etc.
  • When relocating: If you move to a new location and use a pre-existing water meter, you should request re-calibration to ensure its accuracy.
  • During repairs: If your water meter is damaged or needs repair, you should also request re-calibration after the repair to ensure its accuracy.
  • In case of disputes: If you have a dispute regarding the calculated water consumption by the water meter, you can request re-calibration to determine the accuracy of the water consumption measurement.

Water

meter calibration helps ensure the accuracy of the meters, thereby protecting customer rights, conserving water resources, and complying with legal regulations.

Water meter calibration work
Water meter calibration work

Current water meter calibration work in progress

The process of water meter verification typically consists of the following steps:

  • Identifying the verification timeframe: The verification date for the water meter is determined based on regulations set by water management authorities or the regulations of the water supply company.
  • Notifying the customers: Prior to conducting the verification, the water supply company will notify customers about the date and location of the water meter verification.
  • Performing the verification: Water meter verification is typically carried out by specialized technicians in measurement. They will check the technical parameters of the meter, including pressure, flow rate, and accuracy. If any technical issues are detected, the water meter will be repaired or replaced.
  • Creating a verification report: After the verification, the technician will create a verification report for the water meter, recording its technical parameters. This report will be provided to the customers and the water supply company.
  • Updating information in the system: The verification results will be updated in the water supply company’s management system to ensure the accuracy of the meter and related information.

What are Calibration and Testing of Water Meters?

Calibration and Testing of Electronic Water Meters
Calibration and Testing of Electronic Water Meters

Calibration and testing of water meters is the process of examining and evaluating the accuracy of a water meter to ensure its correctness in measuring the consumed water quantity.

The calibration process involves comparing the measurement value of the meter with a predefined standard value. Factors affecting the accuracy of the water meter, such as vibration, water pressure, and temperature, are also checked and adjusted during the calibration process.

After calibration, the water meter undergoes testing to assess its performance in real-life conditions. The testing process involves using the water meter to measure the flow of water over a certain period and comparing it with the measurement values of different measuring devices. The results are evaluated to determine the accuracy of the water meter and may require adjustments if necessary.

Calibration and testing of water meters are important to ensure the accuracy of water meters in measuring the consumed water quantity and to ensure fairness in calculating water bills for users.

Why is Calibration and Testing of Water Meters necessary?

Calibration and testing of water meters are crucial activities to ensure the accuracy of water meters. It is necessary to ensure that the water meter is functioning properly and providing accurate measurement information about the consumed water quantity.

When using water meters in households or construction projects, if the water meter is not functioning correctly or providing inaccurate measurement information, it can lead to unfair and inaccurate water usage. This can cause disputes between parties and result in financial losses for water-consuming entities.

Therefore, calibration and testing of water meters are necessary to ensure that the water meter is functioning accurately and providing precise measurement information about water consumption. Additionally, calibration and testing of water meters also help manufacturers of water meters ensure the quality of their products and minimize production errors.

Distinguishing between Inspection – Calibration – Testing

Inspection - Calibration - Testing of electronic water meters
Inspection – Calibration – Testing of electronic water meters

Calibration, testing, and inspection of water meters are important activities in ensuring the accuracy of water meters. Here are the differences between these three activities:

  • Calibration: is the process of comparing the measurement results of a water meter with a known standard value. This calibration process is typically performed using precise measuring devices to compare with the water meter. The purpose of calibration is to determine the accuracy of the water meter and make adjustments if necessary.
  • Testing: is the process of measuring the performance of a water meter under real operating conditions. This process is usually carried out by installing the water meter in an actual water system and measuring the amount of water consumed. The purpose of testing is to ensure that the water meter is functioning accurately under real operating conditions.
  • Inspection: is the process of determining the accuracy of a water meter and ensuring that the water meter meets standards for accuracy and performance. This inspection process is typically conducted by government organizations or independent organizations with high expertise. The purpose of inspection is to ensure that the water meter meets standards and is used fairly in water consumption activities.

Water Meter Inspection Addresses in Hanoi and Ho Chi Minh City

Water Meter Inspection Address in Hanoi

Below are some addresses provided by Vancongnghiepvn.net for customers to refer to for water meter inspection locations in Hanoi:

Vietnam Metrology Institute

  • Address: Building D – No. 8 Hoang Quoc Viet Street, Nghia Do Ward, Cau Giay District, Hanoi;
  • Phone: (04) 3791 4876/(04) 3836 3242 | Fax: (04) 3756 4260.

Hanoi Water Supply Company No. 2

  • Address: Hamlet 7, Dinh Xuyen Commune, Gia Lam District, Hanoi
  • Phone: 04 3 6510013

Công ty cổ phần Emin Việt Nam

  • Address: Hoàng Cầu, Trung Liệt, Đống Đa, Hà Nội

Water Meter Verification Address in Ho Chi Minh City

Công ty TNHH Đo lường cấp nước (Water Supply Measurement Company)

  • Address: 27B Đường số 6, Khu phố 6, Quốc Lộ 13, P. Hiệp Bình Phước, TP.Thủ Đức, TP. Hồ Chí Minh (Next to the entrance of Cân Nhơn Hòa Gate)
  • Contact phone: 028 – 62 784 104

Công ty FMS – Branch in Ho Chi Minh City

  • Address: 24/32 Phạm Văn Chiêu – Gò Vấp

Therefore, the verification and calibration of water meters are extremely important to ensure accuracy and fairness in water billing. With regularly updated price lists for water meter verification, users can easily know the cost of their meter’s verification and calibration. This helps users plan their finances properly, thereby saving costs and money during water usage.

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