Key facts
- Brand
- Rotronic
- Model
- H290
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-20
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Rotronic H290D Humidity Transmitter Instruction 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.
Read onlineROTRONIC H290 specifications
| Power Supply | 10–35 VDC or 24 VAC |
|---|---|
| Output Signal | 4–20 mA or 0–5 V |
| Temperature Operating Range | -5 to 320°F (-20 to 160°C) at probe |
| Humidity Limits | 100%RH up to 185°F (85°C), 90%RH at 212°F (100°C), 60%RH at 260°F (125°C), 25%RH at 320°F (160°C) |
| Sensor Protection | PPS slotted cap with stainless steel wire mesh insert |
Source: ROTRONIC H290 Humidity Transmitter Instruction Manual
All ROTRONIC H290 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What power supply options are available for the H290?
The H290 can operate with an unregulated supply voltage between 10 and 35 VDC or with 24 VAC.
What output signals can the H290 provide?
The H290 can be ordered with either a 4–20 mA current output or a 0–5 V voltage output.
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.
From: Rotronic H290D Humidity Transmitter Instruction Manual
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.
From: Rotronic H290D Humidity Transmitter Instruction Manual