Universal Temperature Humidity Transmitter Duct Mount (Range: -50 to 100 °C/ -58 to 212 °F) for HVAC and Green House, Museums, Warehouses, Railway Stations | Model: ROTRONIC HYGROFLEX HF420

Measures relative humidity and temperature and calculates the dew/frost point in the fields of HVAC and industry. <15 sec. Typically <3.The HF420 features well proven sensors and a robust housing. Digital signal processing ensures consistent product performance and also facilitates the task of field maintenance with features such as potentiometer free – digital calibration. Device Protection by password: Yes, Analog output signal (standard): 2 x 01 V, 05 V, 010 V, 0(4)20 mA, Communication interfaces: RS-485 / USB / LAN / WLAN / MODBUS (ASCII), Service Information: Calibration interval, Probe material: polycarbonate, Filter cartridge: Polyethylene dust filter, gray, 20 um, Enclosure material: ABS, Cable connections: M16 cable gland and screw terminals, Weight: 220 g.

• Temperature range: -50 to 100 °C (-58 to 212 °F) | Humidity range: 0-100 %RH | Electronics Operating range (Temperature: -40 to 60 °C & Humidity range: 0-100 %RH) | Temperature sensor: Pt100 1/3 Class B | Accuracy at 23 ±5 °C: ±1.0 %rh/ 0.2 K | Resolution AirChip 3000: <0.02 %rh/ 0.01K | Integrated sensor: Yes
• Long term stability humidity sensor: <1% RH/year | Response time: <10 sec | Start-up time: Typical 3 seconds | Output signals: 0-1 V, 0-5 V, 0-10 V, 0(4) to 20Ma | Alarm functions (programmable): Open or Shorted sensor | Data logging function: Internal, 2000 data point memory | Cable connections: 1 × M16 × 1.5, on terminals
• Digital outputs (optional): Ethernet (LAN, WLAN), USB, RS-485 | Power supply: 20-28 VDC | Power consumption: Max 40 mA | Maximum air velocity: 20 m/s at probe | Dew point/ Frost point calculation: Yes | PC Interface: With ROTRONIC interface cable HW4 compatible | Data processing by HW4: Graphs, Statistics, Analyses, Qualification etc.
• Housing material: ABS | Weight: 220 grams | Standards: CE compliant, 2014/30/EU | IP protection class: IP65/ Corresponds to UL94-HB | Firmware update: Via service connector, requires HW4 software | Circuit type: 2×2 wire | Sensor protection: Polyethylene filter
• Supply scope: 1 unit Universal HF420 Transmitter, Calibration Certificate and Instruction manual | Applications: HygroFlex-420 is ideal for all applications where exact measurement of humidity and temperature is of decisive importance. The transmitters can be used in a variety of fields for heating, ventilation and air conditioning applications, greenhouses, museums, warehouses, libraries, railway stations and for climate control in office buildings.