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BS EN 17690-1:2023 Components for BAC control loop. Sensors - Room temperature sensors, 2023
- undefined
- European foreword
- Introduction
- Figure 1 — Control loop
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols, units, subscripts and abbreviations
- Table 1 — Symbols and units
- Table 2 — Subscripts
- Table 3 — Abbreviations
- 5 Room temperature sensor device
- 6 Requirements [Go to Page]
- 6.1 Electrical requirements [Go to Page]
- 6.1.1 Electromagnetic compatibility
- 6.1.2 Degree of protection
- 6.2 Declarations by the manufacturer [Go to Page]
- 6.2.1 General
- 6.2.2 Protection class
- 6.2.3 Measuring range
- 6.2.4 Sensor (device) accuracy
- Table 4 — Example of accuracy declaration [Go to Page]
- 6.2.5 Time constant t63
- Table 5 — Example of declaration for Time constant τ [Go to Page]
- 6.2.6 Wall coupling coefficient kW
- Table 6 — Example of declaration for wall coupling kW [Go to Page]
- 6.2.7 Self-heating compensation
- 6.2.8 Output signals
- Table 7 — Analogue signals
- Table 8 — Example of digital signals [Go to Page]
- 6.2.9 Power supply
- Table 9 — Power supply types [Go to Page]
- 6.2.10 Power consumption of the device
- 6.2.11 Electrical connection
- 6.2.12 Dimensions
- 6.2.13 Weight
- 6.2.14 Environmental conditions
- 7 Test set-up [Go to Page]
- 7.1 Test equipment [Go to Page]
- 7.1.1 Climatic chamber
- Figure 2 — Principle of the climatic chamber [Go to Page]
- 7.1.2 Wall modules [Go to Page]
- 7.1.2.1 Wall module for measuring sensor device accuracy and time constant
- Figure 3 — Wall module for surface mounted sensor devices
- Figure 4 — Wall module for the wall integrated sensor devices [Go to Page]
- 7.1.2.2 Wall module for measuring wall coupling
- Figure 5 — Wall module for measuring the wall coupling and an example of an adapter plate
- Figure 6 — Example of a wall module for measuring the wall coupling of surface mounted sensor devices [Go to Page]
- 7.2 Test installation [Go to Page]
- 7.2.1 Mounting of the Device Under Test (DUT)
- 7.2.2 Wiring of the room sensor devices
- 7.2.3 Reference sensor position
- Figure 7 — Reference sensor position, side view
- Figure 8 — Reference sensor position, front view
- Figure 9 — Reference sensor position, top view [Go to Page]
- 7.3 Temperature homogeneity
- Figure 10 — Top view of the test section with measurement points [Go to Page]
- 7.4 Determination of the mean air velocity
- Table 10 — Required air volume flow in the Venturi nozzle [Go to Page]
- 7.5 Homogeneity of air velocity
- 8 Test methods [Go to Page]
- 8.1 Sensor accuracy [Go to Page]
- 8.1.1 General
- 8.1.2 Test conditions sensor accuracy test [Go to Page]
- 8.1.2.1 Mounting of the Device Under Test (DUT)
- 8.1.2.2 Load conditions
- 8.1.2.3 Measurement tolerance
- 8.1.2.4 Steady-state condition
- Table 11 — Steady-state conditions [Go to Page]
- 8.1.2.5 Time constant of reference sensor
- 8.1.2.6 Temperature homogeneity
- 8.1.3 Impact of temperature variation Δϑtvar
- 8.1.4 Impact of air velocity variation Δϑairvel
- 8.1.5 Impact of power supply of the device Δϑpsup
- 8.2 Time constant [Go to Page]
- 8.2.1 General
- Figure 11 — Time constant t63 [Go to Page]
- 8.2.2 Test conditions [Go to Page]
- 8.2.2.1 Mounting of the Device Under Test (DUT)
- 8.2.2.2 Load conditions
- 8.2.2.3 Measurement tolerance
- 8.2.2.4 Steady-state condition
- Table 12 — Steady-state conditions [Go to Page]
- 8.2.2.5 Time constant of reference sensor
- 8.2.2.6 Temperature step for time constant measurement
- 8.2.2.7 Sampling time
- 8.2.2.8 Temperature homogeneity
- 8.2.2.9 Mean air velocity
- 8.3 Wall coupling [Go to Page]
- 8.3.1 General
- 8.3.2 Test conditions [Go to Page]
- 8.3.2.1 Mounting of the Device Under Test (DUT)
- 8.3.2.2 Load conditions
- 8.3.2.3 Measurement tolerance
- 8.3.2.4 Steady-state condition
- Table 13 — Steady-state conditions [Go to Page]
- 8.3.2.5 Time constant of reference sensor
- 8.3.2.6 Temperature homogeneity
- 8.3.2.7 Mean air velocity
- 8.4 Power consumption measurement [Go to Page]
- 8.4.1 General
- 8.4.2 Average active power [Go to Page]
- 8.4.2.1 General
- 8.4.2.2 Test conditions
- 8.4.3 Average apparent power [Go to Page]
- 8.4.3.1 General
- 8.4.3.2 Test conditions
- 8.4.4 Inrush peak current and periodic peak current measurement [Go to Page]
- 8.4.4.1 General
- 8.4.4.2 Test conditions
- 9 Marking and documentation [Go to Page]
- 9.1 Marking
- 9.2 Documentation
- Table 14 — Documentation required
- Annex A (informative) Measurements
- A.1 24 V power supply / 0 V to 10 V sensor output
- Figure A.1 — 24 power supply / 0 V to 10 V sensor output
- A.2 24 V power supply / 4 mA to 20 mA sensor output
- Figure A.2 — 24 V power supply / 4 mA to 20 mA sensor output
- A.3 24 V power supply (4 mA to 20 mA in the loop), 4 mA to 20 mA sensor output
- Figure A.3 — 24 V power supply (4 mA to 20 mA in the loop), 4 mA to 20 mA sensor output
- A.4 24 V power supply, sensor output: Bus signal (e.g. KNX)
- Figure A.4 — 24 V power supply, sensor output: Bus signal (e.g. KNX)
- A.5 24 V power supply: bus powered, sensor output: Bus signal (e.g. KNX)
- Figure A.5 — 24V power supply: bus powered, sensor output: Bus signal (e.g. KNX)
- A.6 Inrush and periodic peak current measurement
- Figure A.6 — Inrush and periodic peak current measurement
- A.7 Correction factor air velocity inside the test chamber
- Figure A.7 — Air velocity profile inside the test chamber
- Table A.1 — Determination of correction factor fcorr
- Bibliography [Go to Page]