# Water meter B\_METERS GMDM-I 1" AF Q3-6.3 m3/h DN25 R100/R50

**URL:** https://aio.lv/en/product--bmeters-5903299930117--12019969
**Data updated:** 2026-03-11 20:55 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** B\_METERS
**Manufacturer code:** 5903299930117
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 115.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 95.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bmeters-5903299930117--12019969

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

B\_METERS GMDM-I is a mechanical cold-water meter with 1" (DN25) connection and AF dry register. It has a nominal flow Q3 of 6.3 m3/h and R-class R100/R50 indicating its metrological range. Designed for accurate volumetric measurement of potable water in residential and small commercial installations; suitable for direct installation in pipelines for billing and consumption monitoring.

## Long description

B\_METERS GMDM-I 1" AF is a mechanical cold-water meter designed for accurate volumetric measurement of potable water in domestic and small commercial installations. The meter features a 1" (DN25) threaded connection and an AF dry register that preserves reading integrity in humid environments. With a nominal flow Q3 of 6.3 m3/h and an R-class rating of R100/R50, this model provides a metrological range suitable for reliable billing and consumption monitoring when installed directly in the pipeline.
Advantages
The dry register (AF) reduces the risk of fogging and makes reading easier without opening the meter body. A robust mechanical construction ensures stable performance over time and low sensitivity to flow disturbances. The DN25 connection and 1" size provide compatibility with common residential and light commercial piping. The R100/R50 class indicates a wide turndown ratio for accurate measurement across a broad range of flow rates, and the specified Q3 value supports moderate to high household or small business water demands.
Suitable for
Domestic potable water metering in single-family homes and apartments
Water consumption monitoring in small commercial premises and offices
Billing and sub-billing applications where mechanical metering is required
Direct inline installation in DN25 pipework for cold water systems
Key specifications
Connection size: 1" (DN25) threaded connection for inline installation
Register type: AF dry register for clear readings in humid environments
Nominal flow (Q3): 6.3 m3/h for typical household and small commercial use
Metrological class: R100/R50 indicating a wide measurement range and turndown ratio
Measured medium: Cold potable water
How to use
Install the meter inline in the cold-water supply pipe using the 1" threaded connections, respecting flow direction indicated on the meter body. Ensure straight pipe runs and appropriate fittings upstream and downstream to minimise flow disturbances and secure accurate measurement. The dry register can be read directly without opening the unit; record readings as required for billing or monitoring. Maintenance is primarily limited to periodic visual inspections and verification of register readability; follow local regulations for calibration and metrological verification.
Usage recommendations
For optimal performance, install the meter in a location protected from freezing and prolonged exposure to direct sunlight. Avoid installing immediately adjacent to pumps or valves that cause turbulent flow; provide a short straight inlet section if possible. Adhere to local metrology and installation standards for sealing and verification to ensure continued accuracy for billing purposes.

## FAQ

### How much does the Water meter B\_METERS GMDM-I 1" DN25 Q3-6.3 cost, and is it available for purchase?

The price is 115.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Water meter B\_METERS GMDM-I 1" DN25 Q3-6.3 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All B\_METERS products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized B\_METERS service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12019969/67508368_large.webp