Setra FLEX™ Room Environmental Monitor & Controller

The Setra FLEX™ provides a premium, highly flexible room environmental control and monitoring solution in a simple-to-use, architecture-friendly package. Featuring an attractive flush-mount faceplate complemented by an intuitive 7″ projected capacitive color touch screen, the interface can be fully operated even while wearing medical gloves. This powerful multiroom instrument is designed to monitor up to 3 rooms simultaneously, tracking up to 6 distinct environmental parameters per room—including differential pressure, temperature, relative humidity, air change rate (ACH), and custom user-defined values. Integration with Building Automation Systems (BAS) or a Building Management System (BMS) is made effortless through standard onboard BACnet/IP and BACnet MS/TP serial and network protocols. Available with a factory-installed, high-accuracy 0.25% differential pressure sensor or configured for a remote ceiling transducer, the FLEX requires zero advanced programming. It supports macro-level convenience features such as full configuration cloning via a thumb drive, multi-level password security, and custom on-screen text or icons to minimize nuisance alarms in critical healthcare, pharmaceutical, and laboratory environments.

Key Product Features

  • glove-friendly 7″ Touch Screen: Vibrant high-resolution color interface supports full finger-touch response through medical gloves for rapid configuration and diagnostics.
  • Multi-Room, Multi-Parameter Tracking: Natively monitors up to 3 separate rooms and 6 parameters per room, managing pressure, humidity, temperature, door openings, and HEPA filter loading statuses.
  • BACnet Native Integration: Streamlines factory automation networks via standard, simultaneous BACnet/IP and BACnet MS/TP protocol compliance.
  • Flexible Transducer Architectures: Orderable with an integrated ultra-low differential pressure sensor standard or optimized for a 50mm shallow wall depth when utilizing a remote sensor.
  • Versatile Onboard I/O & Control: Features 4 inputs and 2 outputs on-board, including a 24 VDC SPDT relay and an active 4-20mA/0-10V analog loop to operate PI control valves or remote annunciators.
Setra FLEX™ Technical Specifications
● POWER SECTION
Power Input Requirements24 VDC ±10% or 24 VAC ±10% (50 to 60 Hz)
*Note: Stranded shielded twisted pair wiring (16-24 AWG / 0.14-1.5 mm²) recommended.
Sensor Excitation SupplyProvides +24 VDC auxiliary loop power output to drive external transmitters and local digital input circuits.
● INPUT SECTION
Onboard Analog InputsInput 1 (AI1): Dedicated for use as input for either the factory-installed on-board pressure transducer or a general analog input (used only when no internal transducer is purchased).
Inputs 2 to 4 (AI2 – AI4): 3 general purpose analog inputs; field-configurable to monitor external temperature, relative humidity, or velocity transmitters.
Digital Sensor InputsAccepts dry-contact digital inputs to execute software-defined visual or audible alarms for door openings, emergency overrides, or HEPA filter statuses.
● OUTPUT SECTION
Analog Output Channel1 isolated on-board analog loop.
Selectable Signals: 0-5 VDC, 0-10 VDC, or 4-20 mA DC loop.
Functional Control: Can mirror an input signal, act as a direct pressure transmitter output, or execute full PI control loop modulation to throttle reheat valves or VAV dampers.
*Note: Installer must provide an external 250Ω resistor when driving a 4-20mA loop.
Control Relay Output1 auxiliary mechanical relay.
Contact Configuration: 24 VDC SPDT Form C (Normally Open / Normally Closed contacts).
Contact Rating: 2.0 A maximum at 30 VDC continuous load. Ideal for remote alarm annunciators.
Digital Network TelemetryStandard native serial bus and network ports supporting:
BACnet/IP high-speed Ethernet protocol.
BACnet MS/TP RS-485 differential loop network.
● PERFORMANCE
Internal Transducer AccuracyHigh-precision ±0.25% sensor baseline accuracy supplied as standard on all internally fitted units.
Fascia Operator InterfacePremium 7-inch projected capacitive multi-touch panel with quick graphical response.
Configuration Memory CloningSupports seamless firmware scaling and full calibration cloning using standard USB flash drive thumb inputs.
● PHYSICAL & MECHANICAL
Installation ProfileFlush-mount to wall surfaces; engineered to anchor securely into standard double-gang or specialized electrical back boxes.
Remote Sensor Wall DepthRequires a narrow 50mm wall clearance depth when the core pressure transducer is mounted remotely 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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