Setra FLEX™ Room Environmental Monitor & Controller

The Setra FLEX is a room environmental monitor and controller, built for critical spaces that need more than a basic pressure display. It has a flush-mount faceplate with a 7-inch projected capacitive color touch screen, and the screen responds through medical gloves, so staff in a clean or sterile environment don’t need to remove them to check or adjust a room.

In actual application, one FLEX unit can monitor up to 3 rooms at once, tracking up to 6 parameters per room: differential pressure, temperature, relative humidity, air change rate, door openings, HEPA filter loading status, and custom user-defined values. It connects to a BAS or BMS over onboard BACnet/IP or BACnet MS/TP, and it comes either with a factory-installed 0.25% accuracy differential pressure sensor built in, or set up for a remote ceiling-mounted transducer if you only have 50mm of wall depth to work with.

From our experience, the setup side is genuinely easier than most room monitors in this class. Configuration cloning works over a USB thumb drive, so a second or third unit on the same job doesn’t need to be programmed from scratch, and there’s multi-level password security plus custom on-screen text or icons to help cut down nuisance alarms in busy healthcare, pharmaceutical, or lab settings.

Before we quote this, we would normally check how many rooms and parameters you need to monitor, whether the pressure sensor should be built-in or remote, and your BACnet integration requirements. Hope this helps.

FunctionRoom environmental monitor and controller, monitoring up to 3 rooms and 6 parameters per room, with 7-inch glove-friendly touchscreen.
Power Input24VDC ±10% or 24VAC ±10% (50-60Hz). Recommended wiring: stranded shielded twisted pair, 16-24 AWG (0.14-1.5mm²). Onboard +24VDC auxiliary loop power output for external transmitters and digital input circuits.
Analog InputsAI1 dedicated to the factory-installed pressure transducer, or usable as a general input if no internal transducer is fitted. AI2-AI4: 3 general purpose inputs, field-configurable for external temperature, humidity, or velocity transmitters.
Digital InputsDry-contact inputs for visual/audible alarms on door openings, emergency overrides, or HEPA filter status.
Analog Output1 isolated onboard loop, selectable 0-5VDC, 0-10VDC, or 4-20mA. Can mirror an input, act as a direct pressure transmitter output, or run full PI control loop modulation for reheat valves or VAV dampers (external 250Ω resistor required for 4-20mA loop).
Relay Output1 auxiliary mechanical relay, 24VDC SPDT Form C (NO/NC), 2.0A max at 30VDC continuous load, suited to remote alarm annunciators.
NetworkStandard BACnet/IP (Ethernet) and BACnet MS/TP (RS-485).
Accuracy±0.25% baseline on the internal transducer, standard on internally fitted units.
Display7-inch projected capacitive multi-touch color screen.
ConfigurationFull calibration and configuration cloning via USB flash drive. Multi-level password security. Custom on-screen text/icons.
InstallationFlush-mount to wall, fits standard double-gang or specialized electrical back boxes. Remote sensor option requires only 50mm wall clearance when the transducer is mounted above the ceiling.

Download Setra FLEX™ Room Environmental Monitor & Controller information here

Datasheet: Setra-FLEX-Data-Sheet 
Manual: Setra_FLEX_Install-manual

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