BMETERS GMDM-I Multi Jet Water Meter, 3/4" (DN20) BSPP Threaded Connection, 4 m³/h Flow Rate, IP68, Dry Dial
Technical overview
The BMETERS GMDM-I is a multi jet dry dial water meter designed for accurate cold water consumption measurement in residential, commercial and light utility applications. This version is marked T50 and R100 with MID metrology approval, and uses a BSPP threaded connection manufactured to the EN ISO 228-1:2003 thread standard. It features magnetic transmission, IP68 protection, anti-magnetic fraud protection, direct roller reading, and pre-equipment for add-on remote reading modules such as wired M-BUS, wireless M-BUS, pulse and LoRa. Construction includes a brass body together with a brass sealing ring, plastic display, sealing gaskets and integrated strainer components. For this DN20 size, the permanent flow rate Q3 is 4 m³/h, and the laying length is 190 mm.
Key Features
- Multi jet dry dial measuring principle
- BSPP threaded connection to EN ISO 228-1:2003
- T50 cold water version with R100 metrology
- Magnetic transmission with anti-magnetic fraud protection
- IP68 protected register and remote reading module pre-equipment
- Made in Italy
Applications
- Residential water distribution lines
- Commercial building water monitoring
- Utility sub-metering installations
- Remote reading ready metering points
Specifications
ModelGMDM-I (Multi Jet Water Meter)
Connection SizeDN20 / 3/4"
Connection TypeBSPP Threaded
Body MaterialBrass
Connection StandardEN ISO 228-1:2003
Permanent Flow Rate (Q3)4 m³/h
Minimum Flow Rate (Q1)40 L/h
Measuring RatioR100 H / R50 V
Ingress ProtectionIP68
Transmission TypeMagnetic
Maximum Pressure16 bar
Display Type360° rotating dry dial
Permissible Medium Temperature+0.1...50°C