Rotronic HF4 Humidity Temperature Transmitters User Guide

HygroFlex HF4 Humidity Temperature Transmitters User Guide

Brand: Rotronic
Document type: User Manual
Language: English
Pages: 29
File format: PDF
File size: 1.1 MB
Published: 16 October, 2023
Updated: 16 October, 2023
Model: HF4
MD5 checksum: EDFE31E55171D6F956E31E4DEF48C924
PDF: Rotronic HF4 Humidity Temperature Transmitters User Guide PDF

About this manual

The document provides instructions for the HygroFlex HF4 series, which measures relative humidity, temperature, and dew/frost point. It details mechanical configurations, power supply requirements, and output signal types including 2-wire loop-powered (HF42), 3-wire analog (HF43), and digital interfaces like RS-485, USB, or Ethernet (HF45).

What's inside

Overview
Mechanical configurations and dimensions
General description
User configurable settings and functions
Mechanical installation
Electrical installation
Operation
Maintenance
Firmware updates
Technical data

Specifications

Measured Humidity Sensor	ROTRONIC Hygromer IN1 capacitive sensor
Measured Temperature Sensor	Pt100 RTD
HF42 Power Supply (DC)	10...28 VDC
HF43 Power Supply (DC)	18 to 40 VDC
HF45 Power Supply (DC)	6 to 40 VDC
RS-485 Network Limit	up to 64 devices

Frequently asked questions

What firmware version is required for this manual?

This manual applies to all instruments of the HF4 series with firmware version 3.0 or higher.

Can the HF4 calculate dew point?

Yes, using the ROTRONIC HW4 software, the HF4 can be configured to calculate either the dew point or the frost point.

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