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RH-Combo-Outdoor-Air-Nickel
Relative Luftfeuchtigkeit Außenluft mit Nickel-RTD-Sensor
Umidità Relativa Aria Esterna con Sensore RTD in Nichel- Monitorare l’umidità dell’aria esterna
- Controllo economizzatore
- Calcoli psicrometrici come entalpia e punto di rugiada
- Applicazioni di lavaggio
RH-Combo-Outdoor-Air-Nickel
Von
Produktübersicht
- Collegamento elettrico Terminale a vite
- Classificazioni della custodia UL94-5VB
- Filtro Filtro idrofobico
- Isolamento Teflon inciso (PTFE) Fili colorati
- Corrente, max 8 mA
- Tipo di misurazione Umidità, temperatura
- Temperatura di esercizio, max 60 °C
- Temperatura di esercizio minima -40 °C
- Dettagli sull'uscita 0-5 VCC: 12 - 40 VCC / 18 - 28 VCA
- Umidità relativa 10 al 95%
- Tipo di sensore di umidità relativa Capacitivo con filtro idrofobico
- Ripetibilit 0,5% UR, ± 0,05°C
- Tempo di risposta 20 secondi tipici
- Sensibilità 0,1% UR
- ID serie RH-Combo-Outdoor-Air-Nickel
- Stabilità Stabilità RH: Deriva inferiore al 2% / 5 anni, Stabilità RTD in Nichel: +/-0,05% dopo 1000 ore a 302°F (150°C)
- Temperatura di stoccaggio, max 65 °C
- Temperatura di stoccaggio, min. -40 °C
- Tipo di alimentazione CC
- Tensione di alimentazione 24 Vcc
- Tipo di sensore di temperatura RTD in nichel da 1.000 Ohm
- Coppia di serraggio 4,43 a 5,31 lb-in (0,5 a 0,6 Nm)
- Calibro del cavo Da 26 a 16 AWG
Supported Applications
The ACI Relative Humidity with Nickel RTD Outside Air Series is a transmitter designed for use in commercial heating and cooling building management systems. It monitors relative humidity and space temperature using an integrated capacitive sensing element and a Nickel RTD sensor.
- Commercial HVAC control applications
- Outside air monitoring
Operating Conditions & Performance
The series operates within a Relative Humidity range of 0 to 95% RH, non-condensing. The measurement output spans 0-100%. Accuracy specifications vary by selected model: +/- 1% over a 20% RH Range between 20 to 90%, or +/- 2% or 3% from 10 to 95%. Operating temperature is -40 to 140°F (-40 to 60°C), with storage capability up to 149°F (65°C). The typical response time (T63) is 20 seconds. Stability is rated at less than 2% drift over 5 years.
Configuration Options
Housings and Enclosures
- Euro (-EH): ABS Plastic, UL94-V0 rating; dimensions include a front view of 4.30" (109.22mm).
- NEMA 4X (-4X): Polystyrene Plastic, UL94-V2, NEMA 4X (IP 66) rating.
Sensors and Outputs
The series features a capacitive RH sensor with a hydrophobic filter. An optional Nickel RTD temperature sensor is available as part of the configuration. Output signals are field-selectable via integral DIP switches:
- 2-wire: 4-20 mA (Factory Default)
- 3-wire: 0-5 VDC or 0-10 VDC
Power and Connections
Screw terminal blocks accept wire sizes from 16 AWG to 26 AWG. Power supply requirements depend on the output configuration:
- 4-20 mA: 15 - 40 VDC / 18 - 28 VAC (Load dependent)
- 0-5 VDC or 0-10 VDC: 12 - 40 VDC / 18 - 28 VAC
Certifications and Options
The series carries CE, UKCA, RoHS, and WEEE approvals. Three-point NIST Calibration Certificates are available as an option.
Key Product Differences
Variants differ primarily by accuracy class (RH1 for +/- 1%, RH2 for +/- 2%, RH3 for +/- 3%) and enclosure type (-O for Euro, -4X for NEMA). Model numbers follow the format A/RH<Accuracy>-1K-NI-<Configuration>. The Nickel RTD sensor output is nominal 1 KΩ at 70°F (21.1°C) with Red/Red wire colors.
PDFs & Handbücher
