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Fontana Commercial Automatic Soap Dispenser System™

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Sensor Engineering / Commercial Hygiene

Fontana Commercial Automatic Soap Dispenser System™

Selected Fontana Commercial Automatic Soap Dispenser System™ configurations use Time-of-Flight sensing to establish a controlled activation zone by measuring the actual distance between the dispenser sensor and the user’s hand.

Time-of-Flight Distance Validation Signal Filtering Commercial Restrooms
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ToF Sensor Fontana Commercial Automatic Soap Dispenser System with Time-of-Flight sensor technology
Sensing Method
Time-of-Flight
Trigger Logic
Measured Distance
System Objective
Controlled Activation
Applications
High-Traffic Facilities
Commercial Sensor Engineering

A More Defined Approach to Automatic Soap Dispensing

Automatic dispensing depends on the sensor reliably identifying the intended hand position. In reflective commercial restroom environments, the sensor may also be exposed to polished sinks, chrome fixtures, standing water, countertops and other surrounding surfaces.

Selected Fontana Commercial Automatic Soap Dispenser System™ configurations address this challenge through Time-of-Flight sensing. Instead of relying only on the intensity of reflected infrared light, the system measures the actual distance between the sensor and the user’s hand.

The result is a defined activation zone that can be evaluated against intended hand placement rather than treating every reflected optical signal as an equivalent trigger.

Operating Concept

How Time-of-Flight Sensing Supports a Controlled Activation Zone

The sensing strategy can be understood as a sequence: detect a target, evaluate its measured distance, apply electronic filtering, and activate the dispenser when the hand is located within the intended operating zone.

01

Hand Enters the Zone

The dispenser sensor receives information from an object approaching the intended activation area beneath the outlet.

02

Distance Is Evaluated

Time-of-Flight sensing determines the actual distance between the sensing point and the detected target.

03

Signal Is Filtered

Electronic filtering helps distinguish the intended hand position from other surfaces or signals outside the programmed operating range.

04

Dispensing Occurs

When the validated target is within the intended zone, the dispensing sequence can be initiated.

System Characteristics

Three Characteristics That Define the Sensor Strategy

Feature 01

Measured Zone

Distance-based trigger control helps establish where the intended hand position should be recognized.

Feature 02

Signal Filtering

Electronic filtering helps limit false activations caused by signals that do not represent the intended user interaction.

Feature 03

High-Traffic Use

The system is positioned for commercial environments including airports, hospitals and hotels.

Environmental Conditions

Managing Signals Around Reflective Commercial Surfaces

Commercial washbasins can contain several surfaces capable of interacting with an optical sensing system. Polished sinks, chrome fixtures, standing water and countertops may be positioned close to the dispenser and within the broader sensor field.

Distance validation and electronic filtering are used to help distinguish intended hand placement from surrounding surfaces located outside the programmed range. This can help reduce unintended activations, repeated dispensing and unnecessary soap consumption.

Polished Sinks Reflective washbasin surfaces may be present close to the intended sensing zone.
Chrome Fixtures Nearby metallic fixtures are part of the optical environment around the dispenser.
Standing Water Water on or around the basin may form part of the changing restroom environment.
Countertops Counter geometry and material sit within the overall sensing environment and should be considered during installation.
Commercial Applications

Sensor Control for High-Traffic Restroom Environments

Airports, hospitals and hotels are specifically identified as high-traffic use environments for the system. In these applications, the sensing zone, basin relationship and maintenance conditions should be reviewed as part of the complete dispenser installation.

Application 01

Airports

Commercial airport washrooms represent a high-traffic application where the sensing range and installation conditions should be carefully coordinated.

Application 02

Hospitals

Healthcare washrooms can incorporate automatic dispensing where model-specific sensing range, mounting and service requirements have been verified.

Application 03

Hotels

Hotel restroom installations can combine commercial automatic dispensing with coordinated basin, counter and fixture design.

Engineering Considerations

What Should Be Verified Before Installation

Sensor performance should be coordinated with the actual dispenser model and the surrounding restroom configuration rather than treated as a universal fixed condition.

Model-Specific Sensing Range Confirm the sensing range specified for the selected dispenser configuration.
Mounting Height Verify mounting height in relation to the intended hand position and surrounding fixture geometry.
Basin Clearance Review dispenser position relative to the basin and adjacent surfaces.
Power Requirements Coordinate the selected model’s power requirements as part of the installation.
Soap Delivery Configuration Confirm the soap delivery configuration required for the selected system and installation condition.
Optical Window Keep the optical window clean and positioned outside direct splash paths.
AEC Coordination

Treat the Sensor as Part of the Restroom Assembly

The sensor does not operate in isolation from the physical restroom environment. Basin clearance, mounting height, reflective surfaces and splash paths all form part of the installation condition.

For this reason, the dispenser should be reviewed together with the basin and counter arrangement during design coordination rather than added without considering its surrounding geometry.

Engineering Consideration

Verify model-specific sensing range, mounting height, basin clearance, power requirements and soap delivery configuration. Keep the optical window clean and outside direct splash paths.

Design Review

Commercial Dispenser Coordination Checklist

1
Confirm the exact dispenser model. Sensor range and installation requirements should be evaluated for the selected configuration.
2
Review mounting height. Coordinate the sensor and dispenser position with the intended hand location.
3
Check basin clearance. Evaluate the relationship between dispenser, basin, counter and reflective surfaces.
4
Coordinate power requirements. Use the requirements associated with the selected dispenser model.
5
Confirm soap delivery configuration. Review the configuration specified for the actual dispenser system.
6
Protect the optical window. Keep it clean and outside direct splash paths.
Sensor Technology

ToF Versus Conventional IR

The Fontana technical resource provides additional information comparing Time-of-Flight sensory technology with conventional basic infrared sensing.

Technical FAQ

Automatic Soap Dispenser Sensor Questions

What does Time-of-Flight sensing measure?

Selected Fontana Commercial Automatic Soap Dispenser System™ configurations use Time-of-Flight sensing to measure the actual distance between the dispenser sensor and the user’s hand.

Why is a measured activation zone useful?

It provides a distance-based basis for determining whether a detected target is located within the intended activation range rather than relying only on reflected infrared intensity.

What surrounding surfaces can affect the sensor environment?

The source identifies polished sinks, chrome fixtures, standing water, countertops and surrounding surfaces as conditions that may be present around the programmed range.

Where can the system be applied?

Airports, hospitals and hotels are identified as examples of high-traffic commercial applications.

What should be checked during engineering coordination?

Verify model-specific sensing range, mounting height, basin clearance, power requirements and soap delivery configuration, while keeping the optical window clean and outside direct splash paths.

Commercial Sensor Systems

Controlled Sensing Starts With the Complete Installation

Time-of-Flight sensing provides selected Fontana commercial automatic soap dispenser configurations with a distance-based method of establishing the intended activation zone. Distance validation and electronic filtering can then help distinguish intended hand placement from reflective or surrounding surfaces outside the programmed range.

For commercial projects, the final installation should still be coordinated around the selected model, sensing range, mounting height, basin clearance, power requirements, soap delivery configuration and optical-window conditions.

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Keira Sutton

An internationally respected designer and founder of Studioilse, renowned for her human-centered approach to interiors and commercial environments. With over 12 years of expertise collaborating on FontanaShowers projects, her work combines interior architecture, spatial wellness, sustainable materials, and luxury hospitality design to bring thoughtful perspective to contemporary commercial and bathroom environments.