Rotronic H290D Humidity Transmitter Instruction Manual

About this manual

The Rotronic H290D is a humidity transmitter designed for OEM applications, featuring a probe with a ROTRONIC HYGROMER™ IN-1 capacitive humidity sensor. It includes an integrated Pt100 RTD temperature sensor for automatic compensation of the humidity measurement over a wide temperature range.

What's inside

• General Description
• Operation
• Installation
• Maintenance
• Specifications

Frequently asked questions

What is the maximum humidity the sensor can measure at 150°C?

At 150°C, the maximum humidity to which the sensor can be exposed is 20%RH.

What is the minimum air velocity required for proper probe performance?

The installation site must provide an air velocity of at least 200 ft/minute.

What is the standard length of the probe cable?

The standard probe cable length is 2 meters.