First in the World, Industrial Sensors With :
LIVE Status Monitoring + Backup Battery + LTE 4G

LIVE Demonstration
In this LIVE demonstration, both modules operate entirely on their internal rechargeable batteries with no external power, simulating a real power outage.
Unlike conventional systems that stop working when power and Wi-Fi fail, our system remains fully operational using its built-in 4G LTE SIM card, continuing to monitor your equipment and send instant alerts for hours during a blackout when your wifi router already dead
Internal Backup Battery
During a power trip/outages, most monitoring systems become useless without electricity. But Fort Digital system with internal rechargeable battery keeps the entire system running for hours, allowing it to continue monitoring and sending critical alerts even when everything else is down.

Independent 4G LTE Internet
During a power trip/outages, your Wi-Fi Router also shut down, preventing conventional systems from sending alerts. But Fort Digital system with its own 4G LTE SIM card stays connected independently, continues sending alerts without Wi-Fi, and can be installed anywhere with mobile coverage.

4G LTE + WiFi Auto Failover
Fort Digital features dual internet connectivity through Wi‑Fi and 4G LTE. If the Wi‑Fi connection is interrupted, the system automatically switches to 4G LTE, allowing live monitoring and instant mobile alerts to continue with minimal disruption.

3 Seconds Updates, Not One Time Alert
Most conventional systems send only a One-Time SMS alert, leaving you unsure whether the problem is still active or has already been resolved. With our system, you can monitor all channels LIVE from anywhere in the world, with status updates every 3 seconds. Even after receiving the initial alert, you can instantly check whether the condition remains ON or has returned to normal.
Expandable to 32 Channels
The system is fully expandable. An additional 16-Channel Module can be added to expand the system from 16 to 32 monitoring channels. All 32 channels are integrated into the same Fort Digital Mobile App, allowing users to monitor the LIVE status of every channel together from a single screen. Each channel can be individually named according to the connected equipment or location, with alerts and status changes monitored centrally, providing a simple and scalable solution for larger installations.
ZERO Configurations, ZERO Programming
Setup in less than 2 Minutes
Compatible with All Devices/Machines
Dry/Wet Contact/12V/24V/NPN/PNP, Modbus, RS485, Optocoupler, Digital Input, PLC Outputs, Industrial Relays, NO/NC Switches, Pulse Counters
Compatible with virtually any equipment that provides Dry Contact, Wet Contact, 12V/24V signals, NPN/PNP outputs, Modbus, RS485, Optocoupler, Digital Input, PLC Outputs, Industrial Relays, NO/NC Switches, or Pulse Counter signals, including UPS systems, generators, ATS panels, electrical switchboards, power distribution panels, water pumps, fire pumps, sewage pumps, water tanks, refrigerators, freezers, cold rooms, chillers, air conditioners, HVAC systems, compressors, CCTV systems, alarm panels, fire alarm systems, access control systems, server racks, network equipment, production machines, CNC machines, packaging machines, conveyor systems, factory automation equipment, PLCs, SCADA systems, HMI panels, environmental monitoring sensors, water treatment systems, solar power systems, battery banks, telecom equipment, industrial control panels, and thousands of other commercial, industrial, and building management systems.
APC Smart-UPS SU Series, APC Smart-UPS SUA Series, APC Smart-UPS SMT Series, APC Smart-UPS SMX Series, APC Smart-UPS SRT Series, APC Smart-UPS SURT Series, APC Smart-UPS SURTA Series, APC Smart-UPS SURD Series, APC Smart-UPS SRC Series, APC Smart-UPS Ultra SRTL8KRM4UI, APC Smart-UPS Ultra SRTL10KRM4UI, APC Smart-UPS Ultra SRTL8KRM4UT, APC Smart-UPS Ultra SRTL10KRM4UT, APC Smart-UPS Modular Ultra SRYL Series, APC Symmetra, APC Symmetra RM, APC Symmetra LX, APC Symmetra PX, APC Galaxy 3500, APC Easy UPS On-Line SRV Series, Eaton 9SX, Eaton 9PX, Eaton 91PS, Eaton 93PS, Eaton 93PM, Eaton 93E XL, Eaton DX-RT, Eaton BladeUPS, Eaton 9155, Eaton 9390, Eaton Power Xpert 9395, Eaton 9395P, Vertiv Liebert APS, Vertiv Liebert EXS, Vertiv Liebert APM, Vertiv Liebert APM Plus, Vertiv Liebert EXL, Vertiv Liebert EXL S1, Vertiv Liebert NXL, Vertiv Liebert ITA2, Vertiv Liebert GXT5, Vertiv Liebert GXT5 Lithium-Ion, Vertiv Liebert EXM2, Delta Amplon Series, Delta Ultron Series, Delta Modulon Series, Socomec MASTERYS Series, Socomec MODULYS Series, Socomec DELPHYS Series, Riello Sentinel Dual, Riello Sentinel Pro, Riello Sentinel Tower, Riello Multi Sentry, Riello Multi Power, Riello Master MPS, Riello Master HP, Huawei UPS2000 Series, Huawei UPS5000 Series, Schneider Electric Galaxy VS, Schneider Electric Galaxy VL, Schneider Electric Galaxy VM, Schneider Electric Galaxy VX, Schneider Electric Galaxy 3500, Vertiv Liebert industrial UPS systems, Grundfos CR Series Pumps, Grundfos CRE Series Pumps, Grundfos CRIE Series Pumps, Grundfos CME Series Pumps, Grundfos MAGNA3, Grundfos TPE Series, Grundfos TP Series, Grundfos NB Series, Grundfos NK Series, Grundfos SE Series, Grundfos SL Series, Grundfos Hydro MPC, Grundfos Hydro Multi-E, Grundfos CMBE Booster, Grundfos SCALA2, Grundfos DDA Dosing Pumps, Grundfos DDC Dosing Pumps, Grundfos DDE Dosing Pumps, Wilo Stratos MAXO, Wilo Stratos GIGA, Wilo CronoLine IL, Wilo CronoBloc BL, Wilo Helix V, Wilo Helix VE, Wilo SiBoost Smart, Wilo Rexa Series, Wilo Atmos GIGA, KSB Etanorm, KSB Etaline, KSB Etabloc, KSB Movitec, KSB Multitec, KSB Amarex, KSB Sewabloc, KSB MegaCPK, Ebara EVMS Series, Ebara 3D Series, Ebara 3M Series, Ebara DWO Series, Ebara DW Series, Lowara e-SV Series, Lowara e-NSC Series, Lowara e-LNE Series, Lowara e-HM Series, Lowara DOMO Series, Flygt 3000 Series, Flygt Concertor, Flygt N-Series, Tsurumi KTZ Series, Tsurumi KRS Series, Tsurumi B Series, Tsurumi C Series, Pentair Aurora Pumps, Pentair Fairbanks Nijhuis Pumps, Sulzer AHLSTAR Pumps, Sulzer SNS Pumps, Sulzer ABS Submersible Pumps, Thermo Scientific Forma Ultra-Low Temperature Freezers, Thermo Scientific TSX Ultra-Low Temperature Freezers, Thermo Scientific TSX Series Refrigerators, Thermo Scientific TSG Series Refrigerators, Thermo Scientific ULT1350 Series, Thermo Scientific ULT1390 Series, Thermo Scientific ULT1750 Series, Thermo Scientific ULT1786 Series, Thermo Scientific ULT1790 Series, Thermo Scientific ULT2050 Series, Thermo Scientific ULT2090 Series, Thermo Scientific ULT2186 Series, Thermo Scientific ULT2586 Series, Thermo Scientific ULT3280 Series, Thermo Scientific ULT350 Series, Thermo Scientific ULT390 Series, PHCbi MDF-DU Series Ultra-Low Freezers, PHCbi MDF-U Series Ultra-Low Freezers, PHCbi MDF-C Series Biomedical Freezers, PHCbi MPR Series Pharmaceutical Refrigerators, PHCbi MPR-N Series Pharmaceutical Refrigerators, Haier Biomedical DW-86L Series Ultra-Low Freezers, Haier Biomedical HYC Series Pharmacy Refrigerators, Haier Biomedical HYCD Series Combined Refrigerator/Freezers, Haier Biomedical DW-40 Series Freezers, Eppendorf CryoCube F101h, Eppendorf CryoCube F440 Series, Eppendorf CryoCube F570 Series, Liebherr Scientific Refrigerators, Liebherr Laboratory Refrigerators, Liebherr Laboratory Freezers, Liebherr Ultra-Low Temperature Freezers, Helmer Scientific i.Series Medical Refrigerators, Helmer Scientific Horizon Series Medical Refrigerators, Helmer Scientific i.Series Plasma Freezers, Helmer Scientific i.Series Pharmacy Refrigerators, Helmer Scientific i.Series Blood Bank Refrigerators, Arctiko ULUF Series, Arctiko ULTF Series, Arctiko LFFG Series, Arctiko PR Series, Vestfrost Biomedical Solutions AKG Series, Vestfrost Biomedical Solutions VT Series, Panasonic Biomedical Ultra-Low Temperature Freezers, Panasonic Biomedical Laboratory Refrigerators, Panasonic Biomedical Pharmaceutical Refrigerators.
LIVE Status Monitoring
With our new Mobile App, you can monitor the LIVE status of every Channel 1–16 from anywhere in the world, and receive instant Push Notifications even when the app is closed or your phone is in standby mode.
LIVE Accident Reports Logs
With our new Mobile App, you can view incident history and event logs, and receive instant Push Notifications even when the app is closed or your phone is in standby mode.
Wiring Diagram 1-16 Channels

Wiring Diagram 1-32 Channels

Custom Firmware & Workflow
We can customise the firmware, alert logic, escalation workflow, and communication sequence to match your exact operational requirements.
System Content

Global 4G LTE Chipset
Built with an industrial 4G LTE modem, the system supports most SIM cards worldwide, allowing deployment in almost any country without additional hardware.
100% Compatible with Singapore and Global Telcos 4G Band
One Single App for All Sensors
Add all your Fort Digital sensor products into one single app for centralized monitoring. Connect as many sensor terminals as required, rename each unit according to its location or purpose, and monitor them all conveniently from one place. One App. All Sensors. Total Control.
To add a new device, simply tap ADD, scan the unique QR Code on the device cover, and set your Security PIN. The same device can be added to multiple mobile phones, allowing your entire team to monitor it simultaneously.


Gas/Water Detectors, Refrigerators, UPS, etc
Fort Digital Terminal can be connected to various devices such as gas detectors, water leakage detectors, refrigerators, UPS systems, water pumps, and any other equipment that provides dry contact or 5V–30V relay output. When an event occurs and the contact or relay is triggered, the terminal will immediately detect the signal and automatically send out SMS alerts to the predefined mobile numbers.

Terms of Use
These Terms and Conditions (“Terms”) apply to every quotation, sale, delivery, installation, testing, subscription, support service and use of the Fort Digital 4G Dry Contact Alert System, including its Main Module, 16- or 32-Channel Digital Input Modules, internal battery, power adaptors, cables, accessories, firmware, mobile applications, cloud platform, notifications, logs and related services (collectively, the “System”) supplied by Fort Digital Pte Ltd (“Fort Digital”), and the customer, purchaser, user, installer and organisation operating the System are collectively referred to as the “Customer”; by signing a quotation, issuing a purchase order, making payment, accepting delivery, installing, activating, accessing or using any part of the System, the Customer confirms that it has read, understood and accepted these Terms, which are intended primarily for business-to-business transactions, with any statutory rights that cannot lawfully be excluded remaining unaffected. The equipment, accessories, services, installation work, subscription period, warranty coverage and pricing supplied are strictly limited to those expressly stated in Fort Digital’s written quotation or order confirmation, and photographs, demonstrations, videos, brochures, website descriptions and marketing materials are illustrative only and do not guarantee uninterrupted operation, exact battery duration, universal compatibility, network coverage, notification delivery or fitness for any particular purpose; unless expressly included in writing, the Customer is responsible for providing and maintaining an activated Nano SIM card, mobile-data plan, APN settings, compatible smartphone, internet access, electrical supply, wiring, relays, sensors, third-party equipment and all necessary licences and regulatory approvals. The System is strictly a supplementary remote-monitoring and notification tool and is not designed, certified or warranted as a fire alarm, medical alarm, emergency-call system, security alarm, building safety system, automatic shutdown system, statutory monitoring system or any other life-safety or fail-safe device, must never be relied upon as the sole means of protecting people, animals, buildings, machinery, data, inventory or business operations, and the Customer must maintain suitable independent alarms, local indicators, inspections, emergency procedures, qualified personnel, insurance and other safeguards. System operation, LIVE status and notification delivery depend on mobile networks, signal strength, SIM and data-plan status, roaming, APN configuration, internet/Wi-Fi connectivity, cloud infrastructure, hosting providers, push-notification services, app stores, smartphone settings, operating-system restrictions, background permissions and power availability, all of which may be outside Fort Digital’s control; therefore, terms such as “LIVE”, “real-time”, “instant” or “three-second updates” describe intended or typical operation under suitable conditions and are not guaranteed response or delivery times, and alerts or updates may be delayed, duplicated, delivered out of order, temporarily unavailable or not delivered at all, while absence of an alert must never be assumed to mean that no incident has occurred. The internal rechargeable 18650 battery provides temporary backup only and is not a guaranteed UPS; actual runtime varies according to battery age and condition, charge level, cellular signal, transmission frequency, connected equipment, event frequency, temperature, environmental conditions and load, batteries are consumable components that naturally lose capacity, and the Customer is responsible for regular testing, inspection and replacement where necessary. The Customer is responsible for ensuring that installation, wiring, configuration, testing, maintenance and connection to UPS systems, PLCs, generators, pumps, machinery, alarm panels, relays, sensors and other equipment are performed by suitably trained and authorised personnel, and must verify voltage, polarity, grounding, input type, terminal assignment and electrical compatibility before connection; incorrect wiring, excessive or mains voltage, reversed polarity, hazardous energy, incompatible signals or unauthorised power sources are prohibited, and protective features such as optocoupler isolation do not guarantee protection against incorrect wiring, lightning, surges, ground loops, electromagnetic interference, water, condensation, heat, corrosion, short circuits or faults originating from connected equipment. The Customer is responsible for correctly identifying, naming, documenting and individually testing every channel and confirming that each physical input, app channel, channel name, alert state and incident record corresponds correctly before operational reliance. LIVE monitoring, push notifications, remote status, channel naming, incident logs and other app-based functionality may require an active Fort Digital subscription, which must be renewed after any included period at Fort Digital’s then-current rates; subscription payments are non-refundable once activated except where required by law, and Fort Digital may reasonably update, modify, replace, suspend or discontinue features for security, compatibility, legal, network, maintenance or development reasons without guaranteeing uninterrupted or error-free availability. Logs, timestamps, channel states and notification records are operational references only and are not certified evidence, guaranteed safety records or guaranteed complete records, and the Customer must independently preserve any information required for legal, audit, insurance, safety or regulatory purposes. The Customer is responsible for safeguarding QR codes, PINs, login details, email accounts, smartphones and authorised-user access and for complying with applicable personal-data laws and obtaining all necessary authority and consent for personal information processed through the System. Unless otherwise agreed in writing, supplied hardware carries a 12-month limited warranty against proven manufacturing defects, with Fort Digital’s sole obligation and the Customer’s exclusive contractual remedy being, at Fort Digital’s option, diagnosis, repair or replacement; the warranty excludes normal wear, gradual battery degradation, consumables, cosmetic damage, misuse, incorrect installation, unauthorised modification or tampering, incorrect voltage or polarity, third-party equipment faults, unsuitable environments, liquids, condensation, corrosion, pests, lightning, surges, fire, accidents, vandalism, SIM/network problems and failures to follow instructions, while removal, reinstallation, site attendance, transport, temporary equipment, data recovery, business interruption and third-party costs are excluded unless expressly included. Support constitutes reasonable remote assistance rather than an emergency service or guaranteed SLA, and on-site attendance, after-hours assistance, rewiring, third-party troubleshooting and work outside the agreed scope may be separately chargeable; custom firmware, workflows, API integrations or modifications must be separately documented in writing, and compatibility references concerning UPS systems, PLCs, relays, pumps, generators, sensors, NO/NC switches, NPN/PNP signals and other equipment describe general technical capability only, with the Customer remaining responsible for verifying exact compatibility and suitability. All firmware, software, source code, communication protocols, interfaces, documentation, designs, trademarks and related intellectual property remain the property of Fort Digital or its licensors, and the Customer receives only a limited, non-exclusive, non-transferable and revocable right of use and must not reverse-engineer, decompile, copy, modify, bypass security controls, extract firmware, disclose credentials, interfere with the service, resell cloud access or use the System unlawfully. To the fullest extent permitted by law, Fort Digital excludes warranties, representations, conditions and terms not expressly stated in writing and shall not be liable in contract, tort, negligence, misrepresentation, statute or otherwise for indirect, incidental, special, exemplary, punitive or consequential loss or for loss of profit, revenue, production, contracts, business, opportunity, anticipated savings, goodwill, data, records, equipment use or operational availability arising from or connected with the System, delayed or missed alerts, inaccurate status, connectivity failure, battery depletion, subscription interruption or incident logs, nor for loss caused or contributed to by the Customer, installer, telecommunications or internet operator, cloud or app provider, SIM provider, connected equipment, external power supply, unauthorised user or other third party; subject always to liabilities that cannot lawfully be excluded or limited, Fort Digital’s total aggregate liability shall not exceed the amount actually paid to Fort Digital for the specific affected System and its subscription during the 12 months immediately preceding the event giving rise to the claim, and nothing excludes liability that cannot legally be excluded, including applicable liability for death or personal injury caused by Fort Digital’s negligence, fraud or fraudulent misrepresentation. The Customer shall indemnify Fort Digital, its directors, employees, contractors and service providers against third-party claims, losses, damages, penalties, costs and reasonable legal expenses arising from incorrect installation, unauthorised modification, unlawful use, breach of these Terms or data-protection obligations, failure to maintain independent safeguards, connection to incompatible equipment or operation outside stated specifications, except to the extent directly caused by Fort Digital’s proven negligence or wilful misconduct. Fort Digital is not liable for delay, interruption or failure resulting from circumstances beyond its reasonable control, including power, mobile or internet outages, weak signal, SIM suspension, roaming restrictions, cloud/data-centre failure, app-store action, push-notification failure, cyberattack, malware, shortages, transport disruption, fire, flood, lightning, extreme weather, epidemic, war, civil disturbance, government action, regulatory changes or third-party supplier failures; the Customer must promptly mitigate losses and report warranty claims with appropriate supporting information, and continued operation after discovering an unsafe condition is at the Customer’s risk. These Terms and all disputes concerning the System are governed by Singapore law and subject to the exclusive jurisdiction of the Singapore courts, with any invalid provision restricted or modified only to the minimum extent necessary while the remainder continues in force; by using the System, the Customer acknowledges that electronic monitoring, mobile networks, batteries, software and notification services can fail, that the System is not life-safety or fail-safe equipment, that independent monitoring and emergency procedures remain necessary, and that the System’s pricing reflects the allocation of risks, warranty exclusions and liability limitations set out in these Terms.
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