



Rotronic HygroFlex HF73A Heavy Duty Humidity & Temperature Transmitter
Product Summary:
The Rotronic HygroFlex HF73A is a robust, industrial-grade humidity and temperature transmitter designed for the harshest environments. It provides accurate and reliable measurement with configurable analog outputs and system validation capability.
Key Features:
Accuracy: ±1.0 %RH / ±0.2 K @ 23°C
Operating range: -100…200 °C / 0…100 %RH (probe)
Electronics operating range: -40…85 °C
HYGROMER® HT-1 humidity sensor with PT100 1/3 Class B temperature sensor
Freely programmable analog outputs (0...1 V, 0...5 V, 0...10 V, 0(4)...20 mA)
Industrial aluminum diecast housing (IP65)
Available with multiple probe lengths (280mm, 430mm, 580mm)
Supports dew point and frost point calculations
Data logging up to 2000 points via external memory
Long-term stability: <1 %RH/year
Interface via ROTRONIC HygroSoft or HW4 software
FDA 21 CFR Part 11 & GAMP compliant
Sensor diagnostics and firmware upgrade capability
Applications:
Industrial process control
Food & beverage industry
Pharmaceutical production
Drying chambers & climate control
Harsh outdoor environments
Product Benefits:
Accurate and stable humidity and temperature monitoring
High durability in extreme conditions
Flexible installation with various probe lengths
Easy integration with scalable outputs
Ensures compliance in regulated environments
Advanced diagnostics for preventive maintenance
Ideal for both monitoring and system validation
Q. What is the measuring range of the Rotronic HygroFlex HF73A?
The Rotronic HygroFlex HF73A offers a wide measuring range for both humidity and temperature, typically covering 0 to 100% RH for humidity and -40 to +80°C for temperature, depending on the sensor type used.
Q. How accurate is the Rotronic HygroFlex HF73A?
The accuracy of the Rotronic HygroFlex HF73A varies depending on the sensor model, but it typically provides humidity accuracy of ±1.5% RH and temperature accuracy of ±0.2°C.
Q. Can the Rotronic HygroFlex HF73A be used in harsh industrial environments?
Yes, the Rotronic HygroFlex HF73A is designed for heavy-duty industrial applications. It is built to withstand extreme temperatures, high humidity levels, and harsh environmental conditions, making it ideal for industries like pharmaceuticals, food processing, and HVAC systems.