Water-presence monitoring
Observe water reaching selected sensing locations near equipment, services and vulnerable assets.
The Hitelecom H Series wireless water leakage sensor monitors for water reaching selected sensing locations around industrial equipment, utilities and critical spaces. Choose H200 for LoRa, H300 for 4G or H500 for NB-IoT; H300-WL002A is the specified 4G model. Match the sensing arrangement to the water source, expected flow path and installation, then define how events reach the receiving platform and the responsible team.
KEY FEATURES
Bring sensing locations, wireless coverage and the maintenance workflow into one installation plan.
Observe water reaching selected sensing locations near equipment, services and vulnerable assets.
H200 uses LoRa, H300 uses 4G and H500 uses NB-IoT. Select the connection around site coverage and infrastructure.
A specified 4G model within the H Series water-leak family. Confirm the complete sensing and installation configuration for your project.
Use likely leak sources and the path water follows to plan the sensing locations and required coverage.
Identify the water or condensate involved and any additives, contamination or cleaning conditions before choosing the sensing assembly.
Agree event handling, responsible recipients and acknowledgement through the receiving monitoring system.
Build point layouts around pumps, cooling water, equipment trays, service routes and designated low points.
Plan access for inspection, controlled testing, cleaning and recovery checks throughout the operating period.
PLAN THE WATER-DETECTION POINT
A leak detector becomes useful when water can reach its sensing element and the event reaches the right team. Define the liquid, route and operational response before choosing the installation.
For drip trays, pump bases and designated low spots. Place the sensing element where the assessed leak path collects water, with access to inspect and test it.
For an equipment row, map the collection points identified by the site survey. Confirm the required number of point-sensing devices and the installation layout.
Define the reported condition, how it is transmitted and who should act. Agree detection behaviour, notification timing and recovery handling as separate parts of the project.
Trace possible releases from joints, seals, hoses, drains or collection trays to the proposed sensing position. Review floor slope, barriers, normal washdown and cleaning practices. Match the sensing assembly to the actual liquid and operating conditions; locate the transmitter and its connections within their approved conditions. Keep routes clear of damage and leave practical access for inspection. Use a controlled wet test and recovery check to verify each installed point and its complete notification path.
FROM WATER DETECTION TO SITE ACTION
Agree what happens between water contacting the sensing element and a responsible person receiving an actionable event. Detection behaviour, wireless reporting, platform rules and recovery handling each contribute to the result. Commission the complete path under the network conditions at the actual mounting position.
The supplied sensing assembly responds to water reaching its monitored location. Verify the actual liquid and sensing position during commissioning.
The selected H200, H300 or H500 connection carries the configured event to the agreed receiving system. Check message identity, time and connection behaviour.
The receiving workflow directs the event to the responsible team. Define acknowledgement, inspection, escalation and the check that returns the point to service.
Use the supplied instructions to test a controlled water event, the received message, the intended notification and any supported recovery indication. Record the measured end-to-end timing for the site. If a local warning or equipment action is required, include its interface and behaviour in the engineering scope and test it separately.
APPLICATIONS
Explore eight industrial groups and 40 defined monitoring contexts, from machine cooling and pump rooms to electrical facilities, data centres, storage and below-grade services. Each task identifies the water source, useful sensing position and project conditions.
8 industry categories 40 monitoring tasks
Images illustrate representative environments. Final sensing positions and liquid suitability are selected for the supplied configuration and site layout.

Put water detection beside the connections that move, wear or get serviced: cooling circuits, flexible hoses, valves and equipment service bays. Match each sensing point to a practical inspection route.

Machine tools may have spindle cooling, water supply and water-based coolant circuits close to moving hoses and service connections. Place detection at a defined collection point outside the machining enclosure to identify unexpected liquid reaching that position. For coolant mixtures, confirm the actual formulation, contamination and sensing compatibility before selecting the configuration and arranging a representative site test.

Mould cooling systems contain multiple supply and return connections that are disconnected or adjusted during tool changes. A defined detection position beneath an external manifold or hose service area can help the maintenance team investigate water that escapes during production. Separate normal tool-change drainage from unexpected wetness, and associate the alert with the machine and cooling zone concerned.

Water-cooled resistance-welding equipment can have flexible cooling connections between a utility supply, controller and welding cell. Detection at an accessible service-side collection point can identify water escaping beyond the intended circuit. Link each point to the affected welding station and its maintenance team so staff can inspect the relevant cooling connection.

End-of-line test rigs may connect products repeatedly to water-filled fixtures, manifolds or quick couplings. A sensor at a defined tray or external collection point can flag water that remains outside the intended test circuit. Use the test sequence to distinguish expected draining from water that requires inspection, and identify the fixture or station in the notification.

Packaging and converting lines can include water-cooled tooling, rinsing services or local water conditioning equipment beside conveyors and electrical controls. Detection at an external service bay gives the maintenance team a named location to inspect when water reaches the monitoring point. Map the sensing point to the relevant machine section and distinguish production washdown from leakage that requires maintenance attention.

Follow water from treatment and distribution to cooling, heating and condensate collection. Local detection helps maintenance teams identify which utility area needs inspection when water reaches an unexpected position.

Pump seals, flange joints, valves and flexible connectors create several possible water-release points around a booster or transfer skid. Choose detection positions using the skid's drainage pattern rather than the pump count alone. An alert can direct the maintenance team to inspect the named skid or collection area and check the relevant seal, joint or valve.

Cooling-water stations combine pipe joints, strainers, valves and heat-exchanger connections within a limited service area. Local water detection can identify wetness at the selected skid or floor position and help staff inspect the relevant circuit. Distinguish cooling-water leakage from normal condensate, and confirm compatibility where glycol, treatment chemicals or another water-based mixture is present in the monitored circuit.

Reverse-osmosis and softening skids contain service connections that are opened during filter replacement, membrane work or valve maintenance. Place the probe outside the normal drain path to detect water reaching an unintended tray or floor area. For low-conductivity permeate, confirm the sensing method with a representative sample rather than assuming every water-detection configuration performs identically.

Boiler installations often have makeup-water treatment, supply valves and external service pipework around the main plant. Water detection can be specified for an accessible, suitably tempered collection position within these auxiliary areas. Identify the source circuit and expected temperature before selection, and keep boiler pressure protection, steam control and other plant safeguards under their dedicated equipment and operating procedures.

Compressed-air systems collect condensate through drains, separators and treatment units. Detection outside the intended collection path can help identify an overflowing receiver tray or disconnected drain route that needs inspection. Confirm the condensate composition and sensing compatibility, especially where oil carryover or treatment residues may occur, and distinguish this local wetness task from monitoring the compressed-air system itself.

Monitor suitable floor and drainage interfaces around electrical rooms. Place sensing equipment where it can be installed and maintained safely, with the detection area and response agreed by the facility team.

Water may reach a switchgear room through nearby services, door thresholds or building penetrations before it is obvious from the normal access route. Place detection at an approved floor position along the expected water path and give the point a clear room or board reference. The facility's electrical team defines the inspection boundary and the action to take after notification.

UPS rooms can be exposed to water from cooling equipment, adjacent plant rooms or building services. A floor detection point can identify water entering an agreed external route near the room perimeter. Define this as building-water monitoring when specifying the project; battery electrolyte, battery condition and internal electrical protection require their own separately selected monitoring methods and equipment.

Motor-control and automation rooms may sit beside wet production areas or receive services through shared walls and floor penetrations. Detection at an approved entrance or service-side low point can make unexpected water visible to the maintenance team through a named alert. Use the actual floor gradient and room boundary to select points, rather than placing sensors inside control cabinets by default.

Cable trenches can collect water at low sections, duct entries or drainage interfaces that are hidden from everyday view. An approved detection point can report local water presence at a named trench section and guide an inspection. Check access, existing drainage and electrical working rules before choosing the installation; a reading describes the selected point rather than the condition of every cable route.

Inverter and power-conversion rooms can share a building envelope with water services, cooling circuits and outdoor cable entries. Local water detection at an approved floor or penetration interface helps identify which part of the room needs inspection. Separate equipment cooling-water concerns from rain ingress when mapping the points, and assign each alert to the facility team responsible for that route.

Give each cooling or water-routing area its own detection reference. Identify the CRAH unit, CDU connection, underfloor route or equipment room in the alert so the right team can investigate.

Chilled-water CRAH units combine water connections and condensate handling close to critical IT spaces. Place detection at selected valve-service or external collection positions to identify water outside the intended cooling and drainage routes. Name each point by the cooling unit and service side, so facilities staff can inspect the relevant connection or drain without treating every alert as a general room event.

Liquid-cooled data centres may have coolant distribution units with external facility-water and technology-cooling connections. Select detection positions around the relevant connection bay or collection tray, then associate each point with the CDU and loop concerned. Specify the actual fluid formulation before selection, and keep leak detection distinct from coolant quality, flow, temperature and the equipment's internal protective functions.

Water entering a raised-floor space can travel along slab gradients and service routes before reaching a visible aisle. Detection at selected low points or pipe crossings helps facilities staff identify the area requiring inspection. Use a site survey to map water paths, floor access and equipment references; the sensing arrangement should be chosen for that layout rather than assuming a particular coverage distance.

Telecom equipment rooms may rely on local air-conditioning units whose condensate pipework crosses a restricted service area. A selected floor detection point can identify water escaping from a drain connection or reaching the room from adjacent services. Map the alert to the site and cooling zone, helping a remote maintenance team plan the appropriate inspection when the building is not routinely staffed.

Edge-computing equipment can operate inside factories, transport buildings or other spaces where nearby water services remain outside the IT team's direct control. Detection at an agreed external rack-service or room-entry point can identify water arriving on that route. Establish who receives the alert, how the site is identified and which local team can inspect the installation when remote staff are responsible.

Choose detection positions around water-sensitive stock, packaging and collection storage. Floor gradients, rack bases, drainage and the route water could take matter more than an even spacing between sensors.

In automated warehouses, water can collect near rack bases, conveyor transfer points or low sections of an aisle while routine access is restricted. Select detection positions using the actual drainage route and equipment clearance plan. A clearly named local alert can help the warehouse and maintenance teams coordinate an inspection without requiring the sensing assembly to occupy a robot or shuttle travel path.

Pharmaceutical stores may contain water-sensitive cartons, labels and packaged stock near cooling services, external walls or receiving areas. Detection at selected floor points can identify unexpected water entering a named storage zone. Build the response into the site's handling and quality procedures so staff can inspect the relevant storage zone and assess any affected stock.

Semiconductor materials and electronic assemblies may be stored near facility-water routes even when their own packaging is sealed. Water detection at an approved external room or rack perimeter can identify an event that calls for facilities inspection and stock assessment. Coordinate the selected position with contamination-control and handling requirements, while leaving package integrity, humidity control and material acceptance to their dedicated procedures.

Collection stores can be affected by water from building services, roof drainage or adjacent rooms. Detection at a chosen perimeter or low point can identify water entering an area holding boxed objects, documents or conservation materials. Select positions with the collection-care team so installation, inspection and response fit the room's storage layout, handling practices and approved methods for working near collections.

Paper rolls, corrugated cartons and packaging materials can be stored close to receiving doors, external walls or utility routes. Local detection at selected floor collection points gives the maintenance team a reference when water reaches an unintended storage area. Use the actual pallet arrangement and floor gradient to choose positions, keeping the sensing assembly accessible as stock locations change during normal warehouse operations.

Watch the external water-service areas that support controlled processes. Specify fluid compatibility, cleaning conditions and access requirements for laboratories, cleanroom utilities, pharmaceutical production and industrial washing.

Laboratories may have purification units, sinks, wash stations and water-cooled equipment connected through benches or service cupboards. Detection at an approved external collection point can identify water escaping from these services. Confirm the actual water quality and any expected cleaning or process residues before selection, and associate the alert with the bench, equipment area or utility cupboard that staff should inspect.

Semiconductor and precision-manufacturing facilities route cooling and process-support water through service corridors and utility chases outside the controlled production area. A selected water-detection point can identify wetness in one of these accessible support zones. Define the monitored water stream, installation boundary and contamination-control requirements with facilities staff, so an alert names the relevant utility section without implying coverage of process-chemical distribution.

Pharmaceutical facilities may need local water detection around external treatment skids, valve stations and support-room collection points. Specify the monitored water stream and expected temperature, particularly where low-conductivity water or hot services are involved. Label the point by utility loop and support room so the facilities team can inspect the relevant skid, valve station or collection area and document its response.

Food and beverage plants use treated water, rinsing services and cooling circuits in utility areas that may also experience regular washdown. Detection is most useful where the selected point has a clearly defined normal condition. Agree whether the project concerns unexpected standing water, a particular service connection or a dry boundary beside production, and include cleaning chemicals and hygiene requirements in selection.

Industrial laundries combine washer connections, water supply manifolds and drain routes with frequent cleaning and material movement. A selected detection position can identify water entering a service area that should remain dry during normal operation. Check the expected water temperature and detergent residues before configuration, then define how staff distinguish an equipment-service event from planned washdown or an intentionally wet drainage area.

Low points, service penetrations and concealed pipe routes can carry water away from its source. Select accessible detection positions and name the area clearly in the inspection and response plan.

Basement plant rooms can receive water from equipment connections, building penetrations or adjacent low-level spaces. Detection at a selected floor low point can identify local accumulation and direct an inspection to the relevant room. Review normal drainage and sump operation when mapping the points, and keep water-presence notification separate from pump control or continuous measurement of the sump's liquid level.

Service galleries can carry water away from a pipe joint through shared channels and floor gradients. A named detection point at an accessible low section can help maintenance staff identify where water has collected and plan their inspection. Divide long routes according to actual drainage boundaries and access points, with the sensing arrangement selected for each section rather than an assumed universal monitoring length.

Water may collect in a lift pit through building ingress, nearby services or drainage problems. A local detection position can be considered as part of an installation approved by the lift owner and maintenance provider. Define the pit access method, equipment clearances and response procedure before selection, with the lift's own controls and protective functions remaining under the responsible specialist's authority.

Rooftop plant rooms combine equipment water services with doors, roof penetrations and drainage interfaces exposed to weather. Select detection positions according to the water route of concern: pipe leakage, condensate escaping its drain or rain entering the room. Clear point naming helps the facility team inspect the relevant interface and distinguish a building-envelope issue from an equipment-water service event.

Water escaping inside a mechanical riser can travel between floors along pipework, penetrations and service ledges. Detection at an approved accessible collection position can identify water reaching a named riser section. Select points from the building layout and expected water path, while preserving fire-stopping, service access and the inspection procedure for shafts that are not routinely open to facility staff.

For outdoor projects, define whether the task is ingress detection, unexpected local water or drainage inspection. Rainfall, washdown and normal runoff belong in the site specification and alarm logic.

Outdoor control and communications cabinets may be exposed to water entering through their base, cable ducts or a damaged building interface. A selected detection point inside an approved lower service zone can identify local ingress. Confirm the cabinet environment, drainage arrangement and expected wet conditions before configuration, giving the alert a cabinet reference that a field technician can use during inspection.

Substation buildings and cable-entry areas can have low points where water collects before it becomes visible from the access route. Detection at an approved drainage or perimeter interface can identify water at that specific location. Coordinate the point layout with the site's electrical and drainage teams, then link each alert to the approved collection point and inspection route.

Tunnel maintenance areas may contain drainage services, water supply connections or equipment rooms reached through restricted access routes. Local detection at an approved collection position can identify water reaching a named service zone. Establish normal seepage and cleaning conditions before specifying alerts, and check the available communications path so the notification arrangement reflects the actual underground installation and maintenance workflow.

Outdoor industrial water networks contain valve stations, flange joints and service chambers where local water can accumulate. Choose a detection point with a defined expected state, accounting for rainfall, irrigation and normal drainage. A water-presence alert can guide inspection of the named area; identifying the release source still depends on the site's pipe layout, operating conditions and maintenance checks.

Loading bays can receive rainwater, washdown and water from adjacent industrial services, with floor gradients directing it toward doors or equipment recesses. Select detection points at agreed dry boundaries or collection positions that matter to operations. Define which conditions require inspection so staff can distinguish normal outdoor wetness from water reaching a protected service area, dock recess or storage entrance.
SERIES & CONFIGURATION
The H Series water-leak family separates the wireless connection from the sensing and installation requirements. H200 is LoRa, H300 is 4G and H500 is NB-IoT. H300-WL002A is the specified H300 model; define the liquid, monitored position, supplied sensing assembly and response workflow with the selected terminal.
For a planned on-site receiver or gateway path. Confirm the radio protocol and complete onward connection.
Discuss this configuration ↗H300-WL002A
The specified 4G water-leak model. Confirm network compatibility and coverage at the installation.
Discuss this configuration ↗For supported NB-IoT networks. Confirm operator availability, coverage and the required event-delivery behaviour.
Discuss this configuration ↗| Specified 4G model | H300-WL002A |
|---|---|
| Wireless family mapping | H200 — LoRa / H300 — 4G / H500 — NB-IoT |
| Monitoring task | Presence of water at the selected sensing location; event state and recovery behaviour confirmed for the supplied configuration |
| Sampling interval | Set according to customer requirements. |
| Sensing arrangement & coverage | Point detection at the installed probe location. Confirm the number and arrangement of sensing points for the site. |
| Liquid suitability | Actual water or condensate, additives, conductivity, contamination and contact-material compatibility reviewed for the application |
| Power arrangement | Confirmed for the ordered terminal, sensing assembly and installation |
| Detection, reporting & response | Required behaviour and end-to-end timing agreed and verified at commissioning |
| Operating environment & protection | Temperature, humidity, wet exposure, enclosure protection and mounting confirmed for the final configuration |
| Receiving platform | Hitelecom Cloud or an agreed compatible customer system; connection and event format confirmed |
| Local interfaces & actions | Any required local alarm, valve or equipment interface assessed separately as part of the site control design |
| Inspection & commissioning | Controlled detection test, received notification, recovery check and environment-specific maintenance plan |
Liquid type · Possible sources · Detection points · Required coverage
Sensing construction · Mounting · Floor and drainage layout · Power arrangement · Access
H200 / H300 / H500 · Receiving system · Notification timing · Recipients · Recovery
CONNECTIVITY & INTEGRATION
Define whether the receiving destination is Hitelecom Cloud or a compatible customer system, then confirm the message format, supported connection and event rules for the supplied configuration. Agree device and sensing-point identifiers and notification recipients; confirm the supported event, status and reporting behavior from the supplied documentation. Local warning, valve or machine actions need their own interface and control design.
Match the regional bands and operator coverage to the installation country. Check the signal where the transmitter will be installed, including plant rooms and below-ground locations.
Match the supplied LoRa protocol and regional settings to the receiver or gateway. Confirm LoRaWAN compatibility explicitly when the project requires it.
Identify each detection point in a sample message. Confirm the supported payload fields, alarm states, reporting schedule and recovery behavior with the sample message from the ordered configuration. Test alert receipt and the site response before handover.
Discuss platform integration ↗ANSWERS FOR YOUR PROJECT
Practical answers for selecting water-detection points, choosing the connection and preparing a useful commissioning and response plan.
Ask about your project ↗It monitors for water reaching the installed sensing location and makes the detected condition available to a remote monitoring system through the selected wireless connection. Position the sensing element where leaked water is expected to reach it. The sensing construction and reported states are agreed for the supplied configuration.
Leak detection answers whether water has reached a selected monitoring point or sensing path. Continuous liquid-level measurement measures the height or depth of liquid in a tank or vessel. Choose the product by the operational question: unwanted water at a location, or an actual level value.
Choose H200 for LoRa, H300 for 4G, or H500 for NB-IoT. Confirm radio coverage, the receiving infrastructure or network subscription, the destination platform and the required reporting behaviour at the planned installation. H300-WL002A is the 4G model specified for this page.
Start with likely leak sources, the route water will follow, and assets that need an early maintenance response. Typical positions include drip trays, pipe joints, pump bases, cooling skids and designated low points near equipment. Keep sensing surfaces accessible for inspection and apply the approved mounting and electrical-work rules.
It detects water reaching the installed probe location. For several collection points, plan the sensing positions around the likely water paths and confirm the required number and arrangement of point probes. Discuss route or perimeter coverage as a separate sensing design.
Select the sensing assembly for the actual liquid. Conductivity, contamination, temperature and contact materials can affect detection. For condensate, purified water, glycol mixtures or process liquids, confirm suitability with a representative liquid sample and the supplied configuration before rollout.
Test the water alarm, received notification and any supported recovery indication according to the supplied instructions. Record the end-to-end timing under the site's network conditions.
If a shut-off or equipment response is needed, define it as part of the site control design. Confirm the required interface, power, control logic, fail-state behaviour and commissioning method. Agree this integration separately from the wireless monitoring function.
Inspect the sensing surface and expected water path for dirt, damage, moved equipment or cleaning residues. Follow the supplied cleaning instructions and repeat a controlled detection and recovery check at intervals chosen for the environment and maintenance plan.
Send the application, country, liquid type, likely leak points, coverage area, installation photos and quantity. Include the preferred H200 LoRa, H300 4G or H500 NB-IoT connection, platform destination, required notification path and any local control requirement. We can then review the sensing arrangement and project configuration.
LET’S TALK ABOUT YOUR PROJECT
Tell us the application and where unwanted water could appear. Add a site photo or layout when you contact us; we can review the sensing arrangement, wireless choice and response requirements before preparing a configuration and quotation.
sales@hitelecom.cn ↗A short description is enough to start. Useful details include the water or condensate involved, likely leak sources, monitored area, installation country, quantity and receiving platform.