OptoElectronics.LK manufactures GPS-synchronised digital clocks and numeric LED displays in Sri Lanka, for workplaces, factories and public spaces.
ENGINEERED & ASSEMBLED IN SRI LANKA
From a shared time reference to production-floor communication, find the right equipment for your application.
GPS-synchronised wall clocks for offices, factories and warehouses. Compare 3-inch to 15-inch digits, hours-and-minutes or seconds displays, and single- or double-sided construction.
Explore range ↗02Coordinate facility time with LoRa RF master clocks, ISO week displays and programmable shift alarms.
Explore range ↗03Elapsed-time displays for production monitoring, sports and swimming training, with wired controls or continuous pace counting.
Explore range ↗04Make production targets, actual counts, safe working days, weighing data and key performance indicators visible on the factory floor.
Explore range ↗05LoRa RF systems for material requests, scrap grading, utility status and production data, plus Bluetooth forex displays.
Explore range ↗
CLK0300D4SR, CLK0300D4SG
A compact four-digit GPS-synchronised wall clock displaying hours and minutes. Its clear 3-inch LED digits provide reliable time visibility for offices, production areas and commercial interiors.
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CLK0318D6SR, CLK0318D6SG
A compact six-digit GPS-synchronised wall clock displaying hours, minutes and seconds. Large hour-and-minute digits combined with smaller seconds digits provide clear time visibility within a compact enclosure.
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CLK0300D6SR, CLK0300D6SG
A six-digit GPS-synchronised wall clock with uniform 3-inch digits displaying hours, minutes and seconds. It provides clear second-by-second time visibility for offices, production areas and commercial facilities.
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CLK0400D4SR, CLK0400D4SG
A four-digit GPS-synchronised wall clock displaying hours and minutes with high-visibility 4-inch LED digits. It provides clear and dependable time visibility for factories, offices and medium-sized commercial spaces.
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CLK0400D6SR, CLK0400D6SG
A six-digit GPS-synchronized wall clock with uniform 4-inch digits displaying hours, minutes and seconds. It provides clear second-by-second time visibility for factories, control rooms and large commercial interiors.
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CLK0423D6SRG, CLK0423D6SGR
A six-digit GPS-synchronized wall clock featuring large 4-inch hour-and-minute digits with compact 2.3-inch seconds digits. Contrasting display colours clearly separate the primary time from the seconds indication.
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CLK0418D12SRG, CLK0418D12SGR
A GPS-synchronised time-and-date wall clock displaying hours and minutes together with the complete calendar date. Large time digits and a dedicated date display provide clear information for factories, offices and operational facilities.
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CLK0400D4DR, CLK0400D4DG
A double-sided GPS-synchronised wall clock displaying hours and minutes with high-visibility 4-inch LED digits. It provides accurate time visibility from opposing directions in corridors, production areas and large indoor facilities.
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CLK0400D6DR, CLK0400D6DG
A double-sided GPS-synchronised wall clock displaying hours, minutes and seconds with high-visibility 4-inch LED digits. It provides accurate time visibility from opposing directions in corridors, production areas and large indoor facilities.
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CLK1200D4SR, CLK1200D4SG, CLK1200D4SW
A large-format GPS-synchronised wall clock displaying hours and minutes with high-visibility 12-inch LED digits. It provides accurate time visibility across factories, warehouses and other large indoor spaces.
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CLK1200D6SR, CLK1200D6SG, CLK1200D6SW
A large-format six-digit GPS-synchronised wall clock displaying hours, minutes and seconds with high-visibility 12-inch LED digits. It provides accurate second-by-second time visibility across factories, warehouses and large facilities.
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CLK1500D4SR, CLK1500D4SG, CLK1500D4SW
An extra-large GPS-synchronised wall clock displaying hours and minutes with high-visibility 15-inch LED digits. It is designed for accurate long-distance time visibility across factories, warehouses and expansive indoor facilities.
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MCLK
A GPS-synchronised master clock transmitter that distributes an accurate time signal throughout the facility using LoRa RF communication. Its long-range wireless coverage allows compatible slave clocks across production floors and other operational areas to remain synchronised without extensive signal cabling.
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WKN0400D2DR, WKN0400D2DG
A double-sided ISO week number display originally custom-designed for an export production facility. Its built-in GPS receiver automatically determines and displays the current ISO week number from 01 to 53, providing a clear calendar-week reference across production areas.
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ICV0230D16SM
ISO Chrono Vision is a GPS-synchronised production-floor information display presenting the current time, full calendar date and ISO week number in one unit. Its multi-size LED layout provides production teams with a clear, shared reference for daily operations, scheduling and weekly production planning.
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AstroTM-100
The AstroTM-100 is an automatic industrial alarm module designed to signal factory shifts, breaks and scheduled production events. It supports up to 30 programmable alarm schedules and can operate independently using GPS synchronisation or as a slave unit receiving time signals from a compatible master clock.
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PCLK0400D4SG
A single-sided swimming pace clock designed as a large-format upward-counting stopwatch for pool training. It displays elapsed minutes and seconds using high-visibility 4-inch green LED digits, counting continuously from 00:00 to 99:59 before automatically rolling over.
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PCLK1200D2SR, PCLK1200D2SG
A large-format swimming pace clock providing a continuous seconds reference for poolside training. When powered on, it automatically counts upward from 00 to 59 and then rolls over to 00, allowing swimmers and coaches to monitor consistent training intervals.
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SW0300D4SG_WR, SW0300D4DG_WR
A wired-remote digital stopwatch designed for production-time monitoring. It initially displays minutes and seconds, counting upward to 59:59, before automatically changing to hours and minutes and continuing up to 23:59. Secure locking aviation connectors provide reliable connections between the display and remote controller.
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SW0400D4SR_WR, SW0400D4DR_WR
A wired-remote digital stopwatch designed for production-time monitoring where greater viewing distance is required. It initially displays minutes and seconds up to 59:59, then automatically changes to hours and minutes and continues counting upward to 23:59. Secure locking aviation connectors provide reliable connections between the display and remote controller.
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SW1500D4SR_WR
A large-format wired-remote digital stopwatch originally developed for rugby period timing and equally suitable for industrial elapsed-time monitoring. It begins in MM:SS format, counts upward to 59:59, then automatically changes to HH:MM and continues up to 23:59.
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SC0400D4SG
SafeCount X Pro is an industrial safety counter designed for factory entrances. It clearly displays the number of consecutive working days completed without an incident. Its built-in GPS and RTC automatically advance the count each day while providing accurate calendar and leap-year correction
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PC0400D6DG
A double-sided wireless production counter displaying three-digit Target and Actual values using high-visibility 4-inch green LED digits. A separate controller communicates with the display through LoRa RF, allowing installation across the production floor without signal cabling between the two units.
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TC0400D5DGR
A double-sided industrial tally counter displaying two fully independent production values. The upper three-digit green display shows the Tally count, while the lower two-digit red display shows the Frequency count. Both counters can operate upward or downward using isolated 24 V PLC inputs or wired remote controls.
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TC0400D8DG_RF
A double-sided production counter displaying four-digit Target and Actual values in green. A separate control box communicates with the overhead display through LoRa RF. Target is entered using a USB number pad, while Actual is controlled through isolated 24 V PLC inputs or built-in buttons.
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WS1200D6SG_RF
A universal wireless jumbo display system for weighing scales. A compact transmitter connects to any RS-232-compatible scale and sends its weighing data through LoRa RF to the large remote display, providing an accurate real-time copy of the scale reading.
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OVEN-STATUS-V2
A three-part wireless system developed for tyre-curing operations. Operators enter occupied and idle oven numbers through two dedicated keypad modules, while the double-sided overhead display presents the combined status for efficient production scheduling.
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KPI-9X2-RF
A large production-floor display presenting date, production targets, achieved quantities, adherence, quality, scrap and energy information. Data is manually updated through dedicated Windows software and transmitted using a USB LoRa RF dongle.
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SGCTX_V1
A desktop scrap-grading controller that maintains 12 daily and 12 cumulative counters. Operators manage all functions using a wireless QWERTY keyboard, while LoRa RF communication continuously updates the associated overhead display. The controller can also operate independently.
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SGCRX_V1
A single-sided overhead display for three production lines per transmitter. Each display presents four daily and four cumulative scrap-grade counts. Updated values flash temporarily, while an alarm remains active until acknowledged using the dedicated wired remote.
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ODI-2CH-RF
A wireless obstacle-detection and PLC interlock system for rail-mounted moving machinery. Two forward-facing sensors monitor the travel path, while separate obstacle and link-status relays provide alarm and movement-permission signals to the PLC.
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RMR-192X64-RF
A two-part wireless request system originally developed for EPI/TPI material coordination and adaptable to other raw materials. Operators select a two-digit material code, while the overhead display shows its full name and production line with an alarm. Two requests can be displayed simultaneously.
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RMR-256X64-RF
A large-format wireless material-request system supplied with 35 raw-material records and expandable to 99. Operators enter two-digit codes through the LCD-equipped data module, while the overhead display presents up to two requests with audible and colour-coded alerts.
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UTD-5CH-RF
A wireless utility-monitoring system with a 256 × 64 tri-colour overhead display and five sensor modules. It simultaneously shows CEB power, generator, cooling tower and A1/A2 pump status, providing immediate warnings and individual relay outputs when a utility enters its programmed fault state.
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BCD-256X64-RF
A wireless production-data system developed for tyre manufacturing. Administrators create PIN-protected headings, while operators enter and maintain information using a full QWERTY keyboard. Each heading and its data appears for 15 seconds before rotating to the next entry, reducing delays and verbal communication.
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FXD-5C-BT
A compact desktop display for presenting daily buying and selling rates for five currencies. Rates are updated through a dedicated Android Bluetooth app, which also synchronises the battery-backed RTC with the phone. Currency codes, flags and app branding can be customized when ordering.
View specificationsEmbedded electronics, PIC firmware, LED displays and wireless interfaces brought together around your requirements.
Custom development ↗Information, viewing distance, control inputs and environment.
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