3-in-1 multi sensor for AstroLink

Description

🌌 3-in-1 Multi-Sensor – Comprehensive Environment Monitoring

This compact multi-sensor device combines three sensors in one unit, providing complete and reliable information about current ambient conditions. With a 35° field of view, it should be mounted in a position free from obstructions (such as dew caps) for accurate readings.

The 3-in-1 Multi-Sensor is fully supported by:

• AstroLink 4 mini II
• AstroLink 4 micro
• AstroLink 4 Bee
• AstroLink 4 Pi
• AstroLink 4 MAX

Data from this device is available through the ASCOM Observing Conditions interface and the INDI Weather interface.

📊 Measured & Calculated Values

• 🌡️ Temperature
• 💧 Relative Humidity
• ❄️ Dew Point Temperature
• ☁️ Sky Temperature
• 🌥️ Cloud Coverage
• ✨ Sky Brightness

📦 In the Box

• Multi-sensor device
• Elastic cover
• Connecting cable
• (Optional) Additional dew cap with large elastic cover

Compatible with small dovetail, Vixen standard, or finderscope shoe mounting options.

🌡️ Temperature & Humidity Sensor

• Relative humidity accuracy: ±2%
• Temperature accuracy: ±0.3 °C
• Dew point temperature calculated automatically

🔹 Can be used for focuser temperature compensation.
🔹 Available with or without integrated temperature sensor (external placement possible).
🔹 Secondary sensor option: values shown in column #2 of the panel but not available in ASCOM driver.

☁️ Sky Temperature & Cloud Coverage

The sky temperature sensor detects clouds, fog, haze, and other atmospheric conditions:

• If no difference between sky and ambient temperature → 100% clouds or dense fog.
• If 20–25 °C lower than ambient → clear sky with good transparency.

Also useful for non-contact temperature measurements of surfaces such as walls, floors, or radiators.

Technical Data:

• Ambient temperature range: -40 °C to +50 °C
• Sky temperature range: -70 °C to over +200 °C
• Field of view: 35°

✨ Sky Brightness Sensor

• Displays brightness in mag/arcsec² and estimated NELM (naked-eye limiting magnitude).
• Fully compatible with ASCOM Observing Conditions software (e.g., Sequence Generator Pro, N.I.N.A.).
• Update frequency:
  • Bright sky → a few seconds
  • Very dark sky → up to 2.5 minutes

Operating range: 16.00 – 22.50 mag/arcsec²
(Values outside the range are shown, but accuracy is reduced.)

👉 You can perform a self-calibration using our simple tutorial.