1. Comprehensive Programming:
   • Daily, Weekly, Yearly, and Astronomical Programs: Allows flexible scheduling to meet various needs.
   • Astronomical Program: Uses sunrise and sunset times based on geographic coordinates, which can be manually entered or selected from over 500 preset cities.
2. Universal Supply Voltage:
   • AC/DC 24 – 240 V: Operates across a wide range of voltages (AC 50-60 Hz), ensuring compatibility with various systems.
3. User-Friendly Setup:
   • Simple Initial Setup: Easy configuration after the first start-up.
   • New Display: Well-arranged display with white backlight for better readability.
4. Battery Backup:
   • User-Replaceable Battery: Ensures settings are retained during power outages.
5. Wi-Fi Connectivity:
   • Built-In Web Server: Allows setup and control via Wi-Fi connection.
   • Time Synchronization: Synchronizes time through an NTP server (requires internet connection).
6. Local Network Connection:
   • Permanent Connection: Can be permanently connected to a local network for continuous operation and control.
7. High Accuracy:
   • Two Decimal Places: Latitude and longitude can be set with high precision for accurate astronomical calculations.
8. Channel Design:
   • One/Two Channel Options: Each channel has an operating hours counter.
   • Pulse/Cycle Output Mode: Supports different output modes for various applications.
9. Transition of Summer/Winter Time:
   • Automatic or Manual Adjustment: Handles daylight saving time changes automatically or manually.
10. Security Features:

• Sealable Transparent Front Panel Cover: Protects the display and controls.
• PIN Code Protection: Prevents unauthorized changes to settings.

Benefits:

• Energy Efficiency: Reduces energy consumption by ensuring devices operate only when needed.
• Convenience: Automates routine operations, reducing the need for manual intervention.
• Reliability: Ensures consistent and accurate control with robust construction.
• Flexibility: Suitable for residential, commercial, and industrial applications.

Applications:

• Lighting Control: Automates lighting systems based on time and astronomical data.
• Heating Systems: Schedules heating to operate during specific times for energy savings.
• Industrial Equipment: Controls machinery and equipment to run during optimal times.
• Security Systems: Automates the activation and deactivation of security measures based on a set schedule.

Installation and Programming:

• Installation: Mount the SHT-13 on a DIN rail in the electrical panel. Connect the power supply and the devices to be controlled according to the wiring diagram provided in the manual.
• Programming: Use the display and buttons to set up the desired schedule. For advanced settings and control, connect to the built-in web server via Wi-Fi.

Would you like more detailed instructions on a specific aspect of the SHT-13, such as programming or installation?