HF420DB1 Duct Mount HVAC Humidity Temperature Transmitter Rotronic

Price 28000 INR/ Piece

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HF420DB1 Duct Mount HVAC Humidity Temperature Transmitter Rotronic Specification

Temperature Range
-30...70C

Current Range
Output: 4...20 mA

Connectivity Type
Analog Output 2x (4...20 mA or 0...10 V)

Measurement Range
Humidity 0...100 %RH, Temperature -30...70C

Protection
IP65

Equipment Type
Duct Mount HVAC Humidity Temperature Transmitter

Sensor Type
HygroClip2 (HC2)

Resolution
0.1 %RH / 0.1C

Humidity %
0...100 %RH

Diameter
Duct Probe 15 mm

Application Media
Air

Material
ABS/Polystyrene housing; Stainless steel probe

Power Supply
15...40 VDC / 24 VAC

Power Consumption
<0.5 W

Accuracy
2 %RH / 0.3C

Display Type
No Display

Range
0...100 %RH

About HF420DB1 Duct Mount HVAC Humidity Temperature Transmitter Rotronic

MODEL: HF420DB1XX1XXDUCT mount 2 wire hvac (-50100 C)& general purpose %rh - temp. transmitter

Features:

ACCURACY: ï1 %RH, ï 0.2 C @ 23C
RANGE: -50...100C / 0100 %rh
POWER SUPPLY: 10...28 VDC
PROBE SIZE: DUCT VERSION WITH 208 MM PROBE
OUTPUT: 4-20mA output, 2 wire typeP
ROTECTION: IP65 protection class

High-Precision Measurement and Versatile Output

Equipped with the HygroClip2 sensor, the HF420DB1 delivers accurate humidity (2 %RH) and temperature (0.3C) readings. The transmitter offers dual analog output options-4-20 mA or 0-10 V-making it compatible with a wide range of HVAC control systems. Its replaceable probe design lowers maintenance effort, ensuring extended operational reliability.

Rugged Design for Demanding Environments

With an IP65-rated housing and stainless steel duct probe, the HF420DB1 is built to withstand harsh air quality conditions. Its ABS/polystyrene enclosure and M16 cable gland provide dependable protection. The device operates efficiently between -30C to +70C, suiting both industrial and commercial installations.

Easy Installation and Maintenance

The transmitter's compact housing (120 x 90 x 55 mm), 130 mm probe, and pre-configured analog outputs simplify duct mounting. The replaceable probe ensures that calibration and maintenance are quick, prolonging sensor life and maximizing performance stability with minimal downtime.

FAQ's of HF420DB1 Duct Mount HVAC Humidity Temperature Transmitter Rotronic:

Q: How do I install the HF420DB1 transmitter in an HVAC system?

A: Installation involves mounting the transmitter directly into the duct using its integrated probe. Connect your selected analog output (4-20 mA or 0-10 V) to your control system, and ensure a power supply of 15-40 VDC or 24 VAC is provided. Secure the cabling with the M16 x 1.5 cable gland for optimal protection.

Q: What measurement range and accuracy does the HF420DB1 offer?

A: The HF420DB1 accurately measures humidity within a 0-100 %RH range and temperature from -30C to +70C, with a resolution of 0.1 %RH / 0.1C. It maintains an accuracy of 2 %RH and 0.3C, ensuring reliable performance in most HVAC applications.

Q: When should the HygroClip2 sensor probe be replaced?

A: Sensor replacement becomes necessary if you notice drift in measurement accuracy or after considerable long-term use. Thanks to its replaceable design, swapping out the HygroClip2 probe is straightforward and helps preserve ongoing precision without replacing the entire device.

Q: Where can the HF420DB1 be effectively used?

A: This transmitter is suitable for use in HVAC ducts in commercial, industrial, and institutional buildings. It can be installed anywhere precise monitoring of air humidity and temperature is required, such as air-handling units and cleanroom environments.

Q: What process ensures long-term stability of readings?

A: The HF420DB1 uses advanced sensing technology with annual drift less than 1 %RH, minimizing calibration requirements. Regular sensor probe maintenance and timely replacements help in maintaining optimal performance for extended periods.

Q: How does the transmitter benefit HVAC system performance?

A: By delivering precise and rapid humidity and temperature data, the HF420DB1 enables more efficient climate control, supports energy savings, and improves indoor air quality through optimized system responses.

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