Water metering systems
Remotely readable apartment-level water meters speed up water billing and make it easier for customers to monitor their consumption.Koka Oy offers three different remotely readable systems for apartment-level residential water metering.
Wireless water metering system for apartment-level water metering.
- HYDROLINK Online service (No meter-specific fees)
- Real-time consumption monitoring
- Automatic email reports
- Integrations with billing software
- Oma Hydrolink mobile apps for residents
- Readings can be checked directly from the meter
- Integration with building automation
Devices
HL-AIR Central unit | LVI number: 4482 649 | |
HYDRODIGIT-DT cold water meter | DN15* | LVI number: 4418 064 |
HYDRODIGIT-DT hot water meter | DN15* | LVI number: 4438 039 |
*(DN20 also available)
Accessories
WAD-TH wireless home display (fixed installation) | LVI number: 4482 651 |
WAD-X wireless home display (plug in) | LVI number: 4482 650 |
HYDROCAL energy meter | LVI number: 4464 501 |
TH-LR temperature and humidity sensor | LVI number: 4482 652 |
EMU Pro II Lora electricity meter | S: 6702 903 |

Wireless water metering system for apartment-level water metering.
- HYDROLINK Online service (No meter-specific fees)
- Real-time consumption monitoring
- Automatic email reports
- Integrations with billing software
- Oma Hydrolink mobile apps for residents
- Readings can be checked directly from the meter
- Integration with building automation
Devices
W-450 central unit | LVI number: 4482 634 | |
HYDRODIGIT-TX cold water meter | DN15* | LVI number: 4418 028 |
HYDRODIGIT-TX hot water meter | DN15* | LVI number: 4438 036 |
*(DN20 also available)
Accessories
Central unit antenna accessory | LVI number: 4482 648 |
RPT wireless amplifier | LVI number: 4482 622 |
WAD-X wireless home display (plug in) | LVI number: 4482 650 |
WAD-TH wireless home display (fixed installation) | LVI number: 4482 651 |
AMB Temperature and humidity sensor | LVI number: 4482 635 |

Wireless water metering system for apartment-level water metering.
- HYDROLINK Online service (No meter-specific fees)
- Real-time consumption monitoring
- Automatic email reports
- Integrations with billing software
- Oma Hydrolink mobile apps for residents
- Readings can be checked directly from the meter
- Integration with building automation
Devices
M-64, M-128, M-250 Central Unit | LVI number: 4482 631 LVI number: 4482 632 LVI number: 4482 633 | |
T-1 Communication unit | LVI number: 4482 619 | |
GSD-RFM cold water meter | DN15* | LVI number: 4418 013 |
GSD-RFM hot water meter | DN15* | LVI number: 4438 013 |
*(DN20 also available)
Accessories
AD-X separate home display - water consumption, temperature, air humidity | LVI number: 4482 600 |
EMU-RFM Apartment-specific electricity meter |