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DDC & Field Devices
The Intelligence Starts at the Field Level.
Every intelligent building management system depends on accurate data from the field. Direct Digital Controllers (DDC) and field devices — sensors, actuators, transmitters, and valves — are the physical intelligence layer that feeds real-world conditions into your BMS. Digitech supplies, installs, and configures DDC controllers and field instrumentation from leading manufacturers, ensuring accurate measurement, reliable control, and seamless integration with your building automation platform.
Precision Instrumentation for Every Application
Digitech supplies and installs the full range of DDC controllers and field devices for HVAC, electrical, and environmental monitoring applications:
DDC, PLC & HVAC Controllers
BACnet-native DDC controllers, programmable logic controllers, and dedicated HVAC controllers for AHUs, chillers, FCUs, and plant equipment — supporting open integration with any BMS platform.
Room, Zone & Smart Thermostats
Compact zone controllers and networked thermostats managing individual room conditions including temperature, CO2, lighting, and occupancy with local and remote adjustment.
Temperature, Humidity & Pressure Sensors
Duct, room, pipe, and outdoor sensors in PT100, NTC, and 4-20mA formats covering temperature, humidity, static pressure, and differential pressure across all zones and systems.
Air Quality, CO2, CO & Gas Sensors
Multi-parameter IAQ sensors monitoring CO2, CO, VOC, particulate matter, and H2 — supporting demand-controlled ventilation and safety monitoring in critical spaces.
Flow Meters, Occupancy & Level Sensors
Electromagnetic, ultrasonic, and vortex flow meters, people counting sensors, water leak detection cables, and tank level sensors for complete building utility monitoring.
Actuators, Valves & VFD Integration
Motorised control valves, damper actuators, modulating ball valves, and VFD integration for precise HVAC control, energy optimisation, and pump and fan speed management.
Gateways, Panels & Wireless Devices
Protocol converters, field control panels, touch panels, Flexsat controllers, and wireless field devices enabling legacy integration, local control, and cable-free retrofit deployments.
Commissioning & Calibration Services
End-to-end commissioning, loop checking, and sensor calibration services ensuring all field devices perform accurately and reliably from day one.
Open Standards vs Proprietary Field Device Ecosystems
Digitech strongly advocates for open-protocol field devices — ensuring your building investment is not locked to a single manufacturer.