5વી ઓપ્ટિકલ ઇન્ફ્રારેડ વોટર લેવલ સેન્સર (નીચા-વર્તમાન મોડ્યુલ)

The 15ma 5v optical infrared water liquid level sensor is a low-current photoelectric point-level sensor module for water tanks, નાના જળાશયો, ઉપકરણો, test equipment, and MCU-based liquid detection systems. Buyers usually verify four items first: 5V DC supply, approximately 15mA current draw, NPN ઓપન-કલેક્ટર આઉટપુટ, and direct MCU input compatibility. HojellyTek supplies optical water level sensors from Shenzhen with OEM/ODM support for housing material, કેબલ, કનેક્ટર, માઉન્ટ કરી રહ્યા છે, and output configuration.

Low-Current 5V Optical Water Level Sensor Capabilities

This 5V infrared optical water level sensor is designed for single-point liquid presence detection. It does not measure continuous tank height; it confirms whether liquid has reached the sensor tip position. For buyers comparing a standard ઓપ્ટિકલ લેવલ સેન્સર with a compact PCB-friendly module, the key value is fast, contactless optical switching at a defined level point.

Typical project use cases include:

• Water tank low-level or high-level detection
• Small appliance reservoir protection
• Smart dispenser and humidifier liquid detection
• Laboratory device liquid presence sensing
• Pump dry-run protection input
• Embedded MCU water detection modules
• OEM smart tank products using gateway, WiFi, તુયા / સ્માર્ટ લાઇફ, or local controller logic

The module is suitable when the control board already works on 5V logic and the buyer wants a low-current sensor input without adding a relay, float arm, or mechanical moving part.

Electrical Specs Buyers Verify First

For this product type, the most important buying decision is not the appearance of the sensor; it is whether the electrical output matches the controller. A low-current 5V optical infrared sensor is usually selected because it can be powered from the same regulated 5V rail as the MCU board.

The NPN open-collector output is especially important. It is not the same as a push-pull output. In many MCU circuits, the output line needs a pull-up to the controller’s logic voltage. When the sensor switches, the output transistor pulls the signal line low or releases it, depending on the wet/dry state and circuit design. ઓર્ડર આપતા પહેલા, buyers should confirm the expected output logic with the control board firmware.

For a hands-on microcontroller wiring explanation, use our Arduino optical sensor guide. This product page focuses on specification selection, not Arduino programming.

How the Infrared Optical Tip Detects Water

The sensing principle uses an infrared LED, ફોટોટ્રાન્ઝિસ્ટર રીસીવર, and a transparent optical prism tip. શુષ્ક અવસ્થામાં, ઇન્ફ્રારેડ પ્રકાશ પ્રિઝમની અંદર આંતરિક રીતે પરાવર્તિત થાય છે અને રીસીવર પર પાછો ફરે છે. જ્યારે પ્રિઝમ પ્રવાહી દ્વારા ભીનું થાય છે, વક્રીભવનની સ્થિતિ બદલાય છે, તેથી ઓછો પ્રકાશ રીસીવર પર પાછો ફરે છે. The circuit converts that optical change into an electrical output.

This is why optical sensors are different from float switches. There is no magnet, રીડ સ્વીચ, હિંજ, or moving float. The sensor responds to the optical condition at the tip. That makes it useful in compact tanks, સાંકડી જગ્યાઓ, and equipment where a moving float could jam, stick, or become noisy.

જો કે, the buyer must check the detection liquid. Clean water is the most common target for this 5V module, but real-world liquids can behave differently. ફીણ, પરપોટા, heavy scaling, thick oil films, સંક્ષેપણ, or sticky residue on the optical tip may delay or disturb detection. If the liquid is not clean water, share the medium name, તાપમાનની સ્થિતિ, સફાઈ પદ્ધતિ, and whether residue is expected.

પરિમાણો, Housing Material and Mounting Choices

Compact 5V optical water level modules are often used where space is limited. Dimensions should be confirmed from the product drawing before purchase because tank wall thickness, થ્રેડની લંબાઈ, કેબલ બહાર નીકળવાની દિશા, and sealing area all affect installation.

HojellyTek can support optical sensor structures for different OEM projects, including plastic-bodied modules, compact sensor heads, અને કસ્ટમ કેબલ એસેમ્બલીઓ. For very tight equipment layouts, ખરીદદારો અમારી સમીક્ષા પણ કરી શકે છે માઇક્રો ઓપ્ટિકલ સેન્સર વિકલ્પો.

Common wetted-material choices include:

• પીએસયુ હાઉસિંગ for general water and appliance applications
• PTFE શરીર for chemically aggressive liquid environments
• 316 સ્ટેનલેસ સ્ટીલ હાઉસિંગ for stronger mechanical protection or industrial tanks
• Glass sensing tip for selected high-cleanliness or special media requirements

Material selection should follow the liquid, cleaning chemical, તાપમાનના સંપર્ક, યાંત્રિક તણાવ, અને સીલિંગ પદ્ધતિ. A low-current 5V electrical design does not automatically mean the same housing works for every liquid.

Panel and Inline Mounting Notes

Panel mounting is the most common approach. The sensor tip passes through a tank wall or panel opening, and the optical tip is positioned at the required level point. The buyer should confirm:

• Sensor tip direction
• ટાંકીની દિવાલની જાડાઈ
• Thread or locking-nut requirement
• Seal position
• કેબલ બહાર નીકળવાની દિશા
• Whether the sensor is installed from inside or outside the tank
• Whether the liquid level rises slowly, splashes, or creates foam near the sensing point

Inline mounting is different. Instead of being mounted directly into a tank wall, the sensor may be placed in a small liquid path, tube, ચેમ્બર, or transparent/opaque flow section. For inline use, the buyer should provide a drawing of the fluid path so the factory can review whether the optical tip will be fully exposed to the liquid and whether trapped air bubbles may affect detection.

Quick-Test Checklist Before Production Use

Before moving to batch production, test the module with the real control board and real liquid condition.

1. Confirm power first
   Supply the sensor with stable 5V DC and verify the current draw is suitable for the controller power budget.
2. Check wiring order
   VCC ની ખાતરી કરો, GND, and NPN signal output before connection. Incorrect wiring can damage the module or create false output.
3. Verify output logic
   Test dry state and wetted state with a multimeter or MCU input. Confirm whether the firmware expects active-low or active-high behavior.
4. Test the actual liquid
   Do not rely only on clean water if the final product uses detergent, કૂલન્ટ, oil-water mixture, રાસાયણિક ઉકેલ, or liquid with residue.
5. Test mounting position
   Install the sensor in the real tank wall or chamber position. Check splashing, પરપોટા, સંક્ષેપણ, and whether the optical tip is fully exposed.
6. Run repeated wet/dry cycles
   Cycle the liquid level multiple times to confirm repeatability before approving the sensor for production.

5-સ્ટેપ ઓઇએમ સપ્લાય પ્રોસેસ

1. પૂછપરછ
   લક્ષ્ય પ્રવાહીને મોકલો, સપ્લાય વોલ્ટેજ, આઉટપુટ પ્રકાર, માઉન્ટ કરવાની પદ્ધતિ, cable length preference, અને એપ્લિકેશન ફોટા અથવા રેખાંકનો.
2. સ્પેક અને કસ્ટમાઇઝેશન સમીક્ષા
   Our team confirms the 5V, approximately 15mA, NPN open-collector requirement and reviews housing material, કનેક્ટર, છાપ, and installation constraints.
3. નમૂનાની પુષ્ટિ
   Sample units can be prepared for electrical, પ્રવાહી, and mechanical fit testing before batch approval.
4. ઉત્પાદન અને ક્યુસી
   The factory checks electrical function, ઓપ્ટિકલ પ્રતિસાદ, વાયરીંગ, housing condition, અને ગ્રાહક-વિશિષ્ટ રૂપરેખાંકન.
5. Export and shipping support
   HojellyTek exports optical liquid level sensors to US, અમે, ભારત, and other markets with support by WhatsApp and email.

Ordering Requirements to Share With the Factory

To quote the correct version, send these details:

5V vs 12V vs Micro Optical Sensor Options

હોજેલીટેક શા માટે પસંદ કરો

હોજેલીટેક એ શેનઝેન ઉત્પાદક અને નિકાસકાર છે જે ફોટોઇલેક્ટ્રિક ઓપ્ટિકલ લિક્વિડ લેવલ સેન્સિંગ પર ધ્યાન કેન્દ્રિત કરે છે. અમારા ઇન-હાઉસ આર&D team supports sensor structure selection, OEM/ODM વૈવિધ્યીકરણ, cable and connector matching, અને પાણી માટે એપ્લિકેશન સમીક્ષા, ઉપકરણ, ટાંકી, and industrial liquid detection projects.

Buyers work with us when they need factory-direct support instead of only a generic module listing. We help confirm the electrical interface, પ્રવાહી સુસંગતતા, mounting approach, and production test requirements before the order is finalized.

ચપળ

Is the 15ma 5v optical infrared water liquid level sensor a continuous level sensor?

ના. It is a point-level sensor. It detects whether liquid is present at the optical tip position. For continuous tank height measurement, a different sensor structure is required.

Can the 5V optical water level sensor connect directly to an MCU?

હા, when the MCU input circuit is designed for an NPN open-collector signal with the correct pull-up and logic expectation. Always test wet and dry output states before production.

What liquid can this optical infrared sensor detect?

Clean water is the most common target. Other liquids should be tested because foam, અવશેષો, તેલ ફિલ્મ, પરપોટા, or heavy contamination can affect the optical tip response.

Does the sensor need a relay?

Not for most MCU input designs. The NPN open-collector output is normally used as a digital signal input. A relay is only needed if the wider control system requires one.

Can I order a different output type?

હા. This page focuses on the 5V, approximately 15mA, NPN open-collector module. For PNP, એનાલોગ, 4-20 mA, or other interface needs, send your controller specification for review.

Can this sensor be used for inline mounting?

હા, inline use can be reviewed if the liquid path allows the optical tip to contact the liquid properly. Send the chamber, tube, or flow-path drawing before ordering.

અવતરણની વિનંતી કરો

તમારો પ્રવાહી પ્રકાર મોકલો, 5V controller details, output logic requirement, ચિત્ર માઉન્ટ કરી રહ્યા છે, cable or connector preference, અને અંદાજિત ઓર્ડર જથ્થો. HojellyTek can review the specification and provide a suitable low-current 5V optical infrared water level sensor quotation by WhatsApp or email.