From household connections to municipal networks

Smart water metering.
Engineered
for your site.

Build a water system around the way your site operates. Explore smart water meters, leak detection, shutoff valves and automated billing for six distinct settings in Kenya and across Africa.

01 / The right engineering fit

Choose your application.

Six settings. Each architecture matches measurement and control to the physical network and operating model.

The architectures below are system-design and sourcing targets from the MajiSure engineering brief. Extended pipe ranges and approvals require model selection, site assessment and supporting supplier evidence.

Architecture / 01

Residential Estates

Sensitive low-flow monitoring and a private wireless network designed around your estate.

Operating environment

Single-family homes, townhouses, and master-planned gated subdivisions with centralized facility management.

Proposed system topology
  1. 01
    Household metersUltrasonic + valve
  2. 02
    Private gatewayLoRaWAN · shared backhaul
  3. 03
    Water operationsUsage, alerts & billing

Metering, communications and operations — configured around the site.

Request System Design & Pilot Proposal
01 / Measurement

Metrology & sizing

Technology
Ultrasonic Water Metering
Design sizing range
DN15 – DN25
Range / accuracy target
R250 to R400
  • No moving mechanical sensing parts; water quality and suspended solids still require assessment
  • High sensitivity to ultra-low starting flow rates (dripping taps)
  • Long-service-life design; confirm accuracy, battery replacement and maintenance intervals with the supplier
02 / Communications

Network & backhaul

Primary protocol
LoRaWAN (Private Gateway)
Alternatives
NB-IoT

Star-of-stars topology via an 8-channel outdoor gateway. A 1–3 km radius is a planning assumption subject to a radio survey. Shared backhaul avoids a SIM per meter; gateway connectivity and operation still carry costs.

03 / Operations

Valve control & billing

Valve mechanism
Integrated Motorized Ball Valve
Billing approach
STS Prepaid Token / Postpaid AMI
  • Automated remote valve shut-off upon negative balance
  • Configured leak isolation, burst-flow alerts and temperature alarms on supported hardware

Actuation timing depends on communications and valve power. Automated isolation rules are agreed with the operator during commissioning.

04 / Project qualification

Benefits & tender standards

  • Avoid per-meter cellular subscriptions with a shared private LoRaWAN gateway
  • Avoid impeller wear; verify water-quality limits and filtration for borehole supplies
  • Use low-flow trends and water-balance exceptions to guide underground leak investigations

Required evidence for shortlisted hardware

  • ISO 4064:2014
  • OIML R49
  • IP68 Submersible
  • STS IEC 62055-41

Request model-specific certificates, test reports and integration demonstrations. These standards are procurement requirements, not claims of existing MajiSure certification.

Architecture / 02

Apartments & Condominiums

Compact riser sub-metering engineered for dense plumbing shafts.

Operating environment

High-density vertical developments, cramped riser shafts, multi-level reinforced concrete attenuation, and shared services.

Proposed system topology
  1. 01
    Tenant risersCompact sub-meters
  2. 02
    Basement DCUM-Bus / RS-485 bus
  3. 03
    Billing platform4G backhaul · unit accounts

Metering, communications and operations — configured around the site.

Request System Design & Pilot Proposal
01 / Measurement

Metrology & sizing

Technology
Compact Ultrasonic Sub-Meter
Design sizing range
DN15 – DN20
Range / accuracy target
R250
  • Specify tested U0/D0 variants where no upstream or downstream straight-pipe run is available
  • Qualify horizontal, vertical or angled installation against the model approval
  • Target a compact 80–110 mm body length where the selected model and fittings allow
02 / Communications

Network & backhaul

Primary protocol
Wired M-Bus / RS-485 Daisy Chain
Alternatives
Wireless M-Bus (wM-Bus) · LoRaWAN with Surveyed Floor Gateway Coverage

Shaft bus cable down to a floor/basement Data Concentrator Unit (DCU) with 4G cellular uplink, bypassing concrete RF barriers.

03 / Operations

Valve control & billing

Valve mechanism
Integrated or Split Micro-Valve
Billing approach
Split-Type Prepaid (CIU) / Automated Sub-metering
  • In-unit Customer Interface Unit (CIU) for balance entry
  • Automated sub-tenant billing reconciliation against bulk master meter

Actuation timing depends on communications and valve power. Automated isolation rules are agreed with the operator during commissioning.

04 / Project qualification

Benefits & tender standards

  • Wired shaft buses bypass concrete RF attenuation; commission cable and gateway coverage
  • Match meter body length and fittings to riser dimensions before installation
  • Pinpoints tenant-vs-common-area water balance discrepancies

Required evidence for shortlisted hardware

  • MID Directive 2014/32/EU
  • OIML R49
  • IP68 Registers

Request model-specific certificates, test reports and integration demonstrations. These standards are procurement requirements, not claims of existing MajiSure certification.

Architecture / 03

Commercial Property

Dynamic flow range coverage and direct Building Management System (BMS) integration.

Operating environment

Shopping malls, office towers, mixed-use commercial centers, and hospitality facilities with extreme flow fluctuations.

Proposed system topology
  1. 01
    Sub & main metersUltrasonic / electromagnetic
  2. 02
    Building systemsModbus / BACnet integration
  3. 03
    Operations cloudIntervals & tenant invoices

Metering, communications and operations — configured around the site.

Request System Design & Pilot Proposal
01 / Measurement

Metrology & sizing

Technology
High-Turndown Ultrasonic (Sub) & Electromagnetic (Main)
Design sizing range
DN20 – DN150
Range / accuracy target
R400 (Ultrasonic) / Model-qualified range (Electromagnetic)
  • Accurate metering from minimal night trickle to peak operational surges
  • Dual-register support for forward and reverse flow accounting
  • Low pressure drop to maintain adequate hydraulic head for cooling systems
02 / Communications

Network & backhaul

Primary protocol
RS-485 Modbus-RTU / BACnet IP
Alternatives
NB-IoT / Cat-1 Cellular

Hardwired telemetry into on-premise SCADA/BMS complemented by cloud cellular uplink for automated tenant invoicing.

03 / Operations

Valve control & billing

Valve mechanism
Remote Actuated Ball/Butterfly Valves
Billing approach
Postpaid Automated Meter Reading (AMR/AMI)
  • Interval logging (15-min demand profiles)
  • Automatic trigger shut-off upon critical cooling tower or kitchen pipe bursts

Actuation timing depends on communications and valve power. Automated isolation rules are agreed with the operator during commissioning.

04 / Project qualification

Benefits & tender standards

  • Map Modbus / BACnet points to Johnson Controls, Siemens or Schneider BMS after interoperability testing
  • Support auditable tenant billing with interval consumption records
  • Track HVAC and greywater loops to support LEED / EDGE reporting where applicable

Required evidence for shortlisted hardware

  • OIML R49 Class 1/2
  • BACnet Certified
  • WRAS / NSF 61

Request model-specific certificates, test reports and integration demonstrations. These standards are procurement requirements, not claims of existing MajiSure certification.

Architecture / 04

Private Water Networks

Low-obstruction district metering and water-balance telemetry for non-revenue water investigations.

Operating environment

Industrial campuses, private utility concessions, large agricultural hubs, and borehole distribution systems.

Proposed system topology
  1. 01
    Zone inlet metersFull-bore flow + pressure
  2. 02
    Industrial RTU4G / NB-IoT telemetry
  3. 03
    Cloud SCADADMA water balance

Metering, communications and operations — configured around the site.

Request System Design & Pilot Proposal
01 / Measurement

Metrology & sizing

Technology
Battery-Powered Electromagnetic Flowmeters & Flanged Ultrasonic
Design sizing range
DN50 – DN300+
Range / accuracy target
Turn-down ratio > 400:1
  • Full-bore flow design avoids an internal impeller; verify pressure loss for the selected meter and fittings
  • Assess raw-water conductivity, solids, fouling and cleaning requirements for the selected technology
  • Bi-directional measurement for looped trunk reticulation
02 / Communications

Network & backhaul

Primary protocol
Industrial 4G/NB-IoT Telemetry RTU
Alternatives
Long-Range Private LoRaWAN

Low-power RTU transmitting 5-to-15 minute interval telemetry and line pressure data directly to cloud SCADA.

03 / Operations

Valve control & billing

Valve mechanism
External Motorized Butterfly / Gate Valve (RTU Controlled)
Billing approach
Bulk Transfer & Zone Accounting
  • DMA mass-balance real-time calculation
  • Pressure-drop alerts support investigation; acoustic localization requires separate sensors and field validation

Actuation timing depends on communications and valve power. Automated isolation rules are agreed with the operator during commissioning.

04 / Project qualification

Benefits & tender standards

  • Reduce meter-induced pressure loss with appropriately sized full-bore hardware
  • Specify IP68 depth and duration suitable for flooded underground chambers
  • Flag water-balance and pressure anomalies to prioritize NRW and burst investigations

Required evidence for shortlisted hardware

  • IP68 — specified submersion depth / duration
  • ISO 4064
  • Flanged EN 1092-1 / ANSI B16.5

Request model-specific certificates, test reports and integration demonstrations. These standards are procurement requirements, not claims of existing MajiSure certification.

Architecture / 05

Community Water Projects

Intermittent-supply monitoring, tamper-resistant enclosures and offline prepaid token entry.

Operating environment

Rural water schemes, community standpipes, solar water kiosks, and peri-urban utility extensions with intermittent supply.

Proposed system topology
  1. 01
    Mobile-money top-upPayment confirmed · token issued
  2. 02
    Standpipe meterOffline STS keypad / NFC
  3. 03
    Scheme dashboardSync when backhaul returns

Metering, communications and operations — configured around the site.

Request System Design & Pilot Proposal
01 / Measurement

Metrology & sizing

Technology
Ultrasonic STS Prepaid Meter
Design sizing range
DN15 – DN25
Range / accuracy target
R250
  • Specify tested empty-pipe and air detection; air or partially filled pipes can interrupt ultrasonic measurement
  • No impeller to jam; water quality, fouling and installation still need assessment
  • Internal anti-tamper magnetic and physical sensors
02 / Communications

Network & backhaul

Primary protocol
STS Prepaid Keypad / NFC Contactless + 2G/4G/NB-IoT Backup
Alternatives
LoRa Point-to-Point

Offline-first resilient token protocol; meters operate independently of live cell signal with cloud reporting when backhaul is active.

03 / Operations

Valve control & billing

Valve mechanism
Low-Power Bistable Latching Micro-Ball Valve
Billing approach
STS Standard Transfer Specification (IEC 62055-41)
  • Direct integration with Mobile Money APIs (M-Pesa, Airtel Money, MTN MoMo)
  • Automatic token generation via SMS/USSD; offline manual 20-digit token entry

Actuation timing depends on communications and valve power. Automated isolation rules are agreed with the operator during commissioning.

04 / Project qualification

Benefits & tender standards

  • Stops false volume charges caused by air spinning mechanical impellers in intermittent supply
  • Prepaid balances improve collection visibility; service costs and payment exceptions still apply
  • Target long-life lithium operation for off-grid meters; confirm lifetime against valve duty and reporting load

Required evidence for shortlisted hardware

  • STS Association Compliant (IEC 62055-41/51)
  • IP68 sealed enclosure — verify depth / duration
  • OIML R49

Request model-specific certificates, test reports and integration demonstrations. These standards are procurement requirements, not claims of existing MajiSure certification.

Architecture / 06

Public Infrastructure & Municipal DMA

Utility-scale custody transfer, dual flow-and-pressure telemetry, and DMA zoning.

Operating environment

Municipal distribution networks, river intake stations, water treatment works, and district metered area (DMA) chambers.

Proposed system topology
  1. 01
    Municipal DMABulk flow + pressure sensors
  2. 02
    Redundant gatewayCellular / Ethernet / satellite
  3. 03
    Utility SCADAMNF trends & settlement

Metering, communications and operations — configured around the site.

Request System Design & Pilot Proposal
01 / Measurement

Metrology & sizing

Technology
Full-Bore Electromagnetic Flowmeters & Custody Transfer Ultrasonic
Design sizing range
DN50 – DN1200+
Range / accuracy target
Class 1 / Class 2 Custody Grade
  • High accuracy verification for bulk custody transfer between bulk supplier and municipality
  • Specify coordinated flow and pressure sensing; integrated or separate transducers depend on hardware
  • Welded steel or ductile iron bodies rated for PN16/PN25/PN40 pressures
02 / Communications

Network & backhaul

Primary protocol
Cellular 4G LTE-M / NB-IoT Industrial Gateway
Alternatives
Fiber-optic / Ethernet Modbus TCP · Satellite IoT

Redundant transmission supporting DNP3, MQTT, and CoAP protocols into central municipal SCADA.

03 / Operations

Valve control & billing

Valve mechanism
Heavy-Duty Modulating Control Valve
Billing approach
Custody Transfer & Bulk Utility Inter-District Settlement
  • Hydraulic transient and water-hammer detection via high-frequency pressure sampling
  • Automated diurnal demand profile modeling and minimum night flow (MNF) analysis

Actuation timing depends on communications and valve power. Automated isolation rules are agreed with the operator during commissioning.

04 / Project qualification

Benefits & tender standards

  • Require applicable type approvals and verification records for bulk custody transfer
  • Use flow and pressure exceptions to support main-burst investigation
  • Empowers municipal engineering teams to systematically reduce physical water loss

Required evidence for shortlisted hardware

  • OIML R49-1:2013
  • ISO 4064:2014
  • MID Class 1/2
  • IP68 Submersible Transmitter

Request model-specific certificates, test reports and integration demonstrations. These standards are procurement requirements, not claims of existing MajiSure certification.

02 / Compare the architecture

Master Technical
Comparison Matrix.

Compare measurement, communications and control across all six sectors. Filter by protocol or pipe range to find a suitable design starting point.

6 of 6 application architectures shown

Application architecture design targets — scroll horizontally to compare all columns
Application targetRecommended metrologyStandard sizing rangePrimary communicationBackhaul topologyValve / cutoff mechanismBilling protocolCritical certification standards
Residential EstatesUltrasonic Water MeteringR250 to R400DN15 – DN25LoRaWAN (Private Gateway)Alternatives: NB-IoTStar-of-stars topology via an 8-channel outdoor gateway. A 1–3 km radius is a planning assumption subject to a radio survey. Shared backhaul avoids a SIM per meter; gateway connectivity and operation still carry costs.Integrated Motorized Ball ValveSTS Prepaid Token / Postpaid AMIISO 4064:2014 · OIML R49 · IP68 Submersible · STS IEC 62055-41
Apartments & CondominiumsCompact Ultrasonic Sub-MeterR250DN15 – DN20Wired M-Bus / RS-485 Daisy ChainAlternatives: Wireless M-Bus (wM-Bus) · LoRaWAN with Surveyed Floor Gateway CoverageShaft bus cable down to a floor/basement Data Concentrator Unit (DCU) with 4G cellular uplink, bypassing concrete RF barriers.Integrated or Split Micro-ValveSplit-Type Prepaid (CIU) / Automated Sub-meteringMID Directive 2014/32/EU · OIML R49 · IP68 Registers
Commercial PropertyHigh-Turndown Ultrasonic (Sub) & Electromagnetic (Main)R400 (Ultrasonic) / Model-qualified range (Electromagnetic)DN20 – DN150RS-485 Modbus-RTU / BACnet IPAlternatives: NB-IoT / Cat-1 CellularHardwired telemetry into on-premise SCADA/BMS complemented by cloud cellular uplink for automated tenant invoicing.Remote Actuated Ball/Butterfly ValvesPostpaid Automated Meter Reading (AMR/AMI)OIML R49 Class 1/2 · BACnet Certified · WRAS / NSF 61
Private Water NetworksBattery-Powered Electromagnetic Flowmeters & Flanged UltrasonicTurn-down ratio > 400:1DN50 – DN300+Industrial 4G/NB-IoT Telemetry RTUAlternatives: Long-Range Private LoRaWANLow-power RTU transmitting 5-to-15 minute interval telemetry and line pressure data directly to cloud SCADA.External Motorized Butterfly / Gate Valve (RTU Controlled)Bulk Transfer & Zone AccountingIP68 — specified submersion depth / duration · ISO 4064 · Flanged EN 1092-1 / ANSI B16.5
Community Water ProjectsUltrasonic STS Prepaid MeterR250DN15 – DN25STS Prepaid Keypad / NFC Contactless + 2G/4G/NB-IoT BackupAlternatives: LoRa Point-to-PointOffline-first resilient token protocol; meters operate independently of live cell signal with cloud reporting when backhaul is active.Low-Power Bistable Latching Micro-Ball ValveSTS Standard Transfer Specification (IEC 62055-41)STS Association Compliant (IEC 62055-41/51) · IP68 sealed enclosure — verify depth / duration · OIML R49
Public Infrastructure & Municipal DMAFull-Bore Electromagnetic Flowmeters & Custody Transfer UltrasonicClass 1 / Class 2 Custody GradeDN50 – DN1200+Cellular 4G LTE-M / NB-IoT Industrial GatewayAlternatives: Fiber-optic / Ethernet Modbus TCP · Satellite IoTRedundant transmission supporting DNP3, MQTT, and CoAP protocols into central municipal SCADA.Heavy-Duty Modulating Control ValveCustody Transfer & Bulk Utility Inter-District SettlementOIML R49-1:2013 · ISO 4064:2014 · MID Class 1/2 · IP68 Submersible Transmitter

DN50+ includes architectures whose specified range extends to DN50 or larger. Final sizing depends on the flow profile, pressure, water quality and approvals of the selected model.

03 / Hardware & compliance

A stronger engineering
tender checklist.

Four procurement pillars to turn a proposed architecture into a qualified bill of materials and an accountable deployment.

01 / Metrology

Specify the R-value.

Target R250–R400 for small ultrasonic connections where the flow profile warrants it. At the same permanent flow rate, a higher R-value lowers the minimum rated flow compared with R80/R100.

R = Q₃ / Q₁Q₁ = Q₃ / R

For Q₃ = 2.5 m³/h: R250 gives Q₁ = 0.010 m³/h; R400 gives 0.00625 m³/h. Starting flow is a separate specification. Verify accuracy class, orientation and U/D installation requirements.

OIML metrology reference

02 / Environment

Qualify every material.

Evaluate lead-free brass such as C69300, stainless steel, and potable-water-approved PPS or nylon composites where reducing metal theft is a priority.

  • Match pressure rating and corrosion resistance to the water chemistry.
  • Specify IP68 test depth and duration; assess sealing or potted electronics.
  • Request water-contact approvals for the entire wetted assembly.

Vacuum sealing or potting is a construction choice, not proof of an IP68 rating. Inspection, installation and test evidence still matter.

03 / Power

Budget for the pulse.

Qualify Li-SOCl₂ cells — for example ER18505, ER26500 or ER34615 — against the model’s energy and pulse requirements. Specify a supercapacitor / pulse helper where needed to support radio transmissions and valve actuation.

Life ≈ usable capacity / average currentIavg = Σ(I × duty cycle)

Account for self-discharge, temperature, passivation, signal retries and peak voltage drop. Cell size alone does not establish a ten-year lifetime; verify the complete battery and pulse-support circuit.

Battery pulse-support reference

04 / Evidence

Require approvals that fit.

Request OIML R49 and ISO 4064 evidence, plus market-specific approvals such as MID where applicable. Prepaid designs need validated STS interoperability; potable-water assemblies need applicable WRAS / NSF evidence.

  • Match certificate number, issuing body, model and pipe size.
  • Validate STS IEC 62055-41 / -51 support and key management.
  • Demonstrate BMS / SCADA integration and end-to-end billing.

ISO 4064:2014 and OIML R49-1:2013 are references in the brief. Confirm the applicable editions and local legal-metrology requirements for the tender.

Connection-level capabilities

Our ultrasonic
smart meter foundation.

DN15–DN25 connection meters form the small-pipe foundation. Bulk and municipal designs use separately qualified hardware.

01
0.005 m³/hUltra-low starting flow

Ultrasonic accuracy

Measure the small flows that mechanical meters can miss, with no moving parts to wear down.

Explore capability

DN15–DN25 electronic flow sensing. Class 2 / ISO 4064 measurement, with integrated liquid temperature monitoring in T30 / T50 variants.

02
Control, connected.Motorized shutoff

Remote valve control

Isolate a leak, manage prepaid supply and reopen a connection from your dashboard or mobile app.

Explore capability

Valve-equipped models support remote shutoff, prepaid cutoff and automated exercise cycles to help prevent scaling. Remote commands depend on network availability.

03
A network that fits.Flexible connectivity

4G / LoRaWAN telemetry

Connect household meters and distributed networks with cellular or long-range wireless telemetry.

Explore capability

Options include 4G LTE with internal or external antennas, LoRaWAN, NB-IoT and M-Bus / RS485 (Modbus). Tuya, WiFi and Zigbee app integration is available on compatible variants.

04
IP68Submersible enclosure

IP68 waterproofing

Built for outdoor installations and flooded meter boxes, with a durable metal body.

Explore capability

Choose brass or stainless steel hardware. Submersion depth, duration and installation limits are confirmed against the selected model’s datasheet.

05
Up to 10+ yearsLow-power operation

10+ year battery

Reduce routine field visits with an industrial ER26500 lithium battery and efficient electronic sensing.

Explore capability

Service life depends on the selected model, reporting frequency, network conditions, temperature and valve use. The deployment plan confirms the battery-life estimate.

06
One connected view.Usage, billing & alerts

Smart app monitoring

Follow consumption, generate bills and receive drip or burst leak alerts from one dashboard.

Explore capability

Support prepaid or postpaid billing, resident self-service and mobile valve controls. Features and payment integrations are configured for your deployment.

From architecture to specification

Turn the design
into a deployment.

Match pipe sizes to flow profiles, plan coverage and power, and confirm approval records for every selected component.

Make the opportunity visible

Calculate Your
Water Loss Savings.

Use your own supply, loss and water-value assumptions to explore what reducing losses could mean for your operation.

Total supplied volume, before losses.

The share of supplied water currently lost or unaccounted for.

Your planning target; results depend on the network and corrective work.

Use your supply cost or recoverable tariff, consistently.

Your recovery scenario

Potential monthly water valueKsh 10,000
Current unaccounted water
250 m³ / month
Target water recovery
100 m³ / month
Potential annual value
Ksh 120,000
Request a Demo for Your Property

Illustrative gross water value, based on your inputs. Supply × loss rate × target loss reduction × value per m³; annual value assumes 12 equivalent months. This is not a savings guarantee or net ROI: equipment, financing, installation, maintenance and repair costs are excluded. Metering identifies losses; physical leaks still require corrective work.

Your next engineering step

Design it around your network.

Share your sector, pipe sizes and operating requirements. Let’s scope coverage, hardware qualification and a practical pilot for your site.

Request System Design & Pilot Proposal