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GPS Time-Sync-Satellite Time Reference (STR-100)
The CyTime™ STR-100 Satellite Time Reference uses GPS technology to deliver highly accurate time synchronization across power system devices. By converting GPS or modulated IRIG-B signals into widely supported DCF77, 1per10, or IRIG-B outputs, the STR-100 ensures precise event recording for utilities, industrial facilities, healthcare, and data centers. Supporting up to 32 devices, it provides ±50 microsecond accuracy, simplifying compliance and enhancing reliability. With flexible mounting options, optional IRIG-B distribution for long distances, and compliance with global standards, the STR-100 is a cost-effective and dependable solution for precise time synchronization in critical applications.
Features
- High-Accuracy Time Synchronization – Delivers ±50 microsecond precision to ensure reliable sequence of events recording across all connected devices.
- Versatile Input Compatibility – Accepts GPS signals from Trimble Acutime/360 smart antennas or amplitude-modulated IRIG-B, adapting to varied infrastructures.
- Flexible Output Options – Provides DCF77, 1per10, or IRIG-B outputs for up to 32 devices, ensuring broad compatibility with power meters, relays, and SERs.
- Enhanced IRIG-B Distribution – Optional STR-IDM enables long-distance distribution and daisy-chain wiring to multiple devices, saving installation costs.
- Rugged & Reliable Design – Performs in harsh environments with wide operating temperature range, high isolation, and industrial-grade durability.
- Simplified Installation – DIN rail, wall, or panel mounting options provide flexibility for new builds or retrofit projects.
- Standards-Compliant – UL Listed, CE Marked, FCC, and RoHS compliant, meeting global safety and environmental standards.
- Trusted Across Industries – Widely used in utilities, data centers, industrial facilities, and healthcare environments for mission-critical applications.
Specifications
- Electrical – Control Power:
Voltage, nominal / Burden: 24 Vdc nominal (sourced from Class 2 rated power supply)
Burden, maximum: 36 watts
Isolation: 1.5 KV - GPS Antenna Interface:
Compatible “smart antennas”: Trimble Acutime 360 (or Acutime Gold or Acutime 2000)
Antenna interface signal input to STR: RS-422 (12 conductor) - IRIG-B Input (STR-100 only):
Time code: Amplitude-modulated IRIG-B (Codes B120 to B123)
Carrier: 1 kHz
Amplitude: 0.5 to 10.0 Volts peak-peak
Input impedance: 4000 ohms, transformer-isolated - DCF77 or 1per10 Output (STR-100 only):
Voltage range: 11 to 28 Vdc (depends on control voltage input)
Output current: 500 mA, maximum
Pulse rate (per DCF77 standard): 1 pulse-per-second (1PPS), accuracy = ±50 microseconds - Mechanical:
Mounting: Standard DIN Rail or panel/wall mount or surface placement
Dimensions (W x H x D): 7.92 x 1.50 x 4.811 in (201 x 38 x 122 mm)
Weight: 1.5 lbs (0.68 kg) - Environmental:
Operating Temperature: -30 to +80 °C
Storage Temperature: -40 to +85 °C
Humidity Rating: 5% to 95% relative humidity (non-condensing) at +40 °C
Pollution Degree Class: Class 2
Documentation
Images
Support
Services
Technical Support, Start Up Support, Preventative Maintenance, Field Service, In-house Repair, Spare Parts
Website: https://www.trystar.com/services/request-for-services/
Phone: 507-333-3990,1
Email: services@trystar.com
Sales Support
Quotes, lead times, and general product questions
Website: https://www.trystar.com/contact/
Phone: 507-333-3990,2
Designed for Real-World Demands
Discover how this product is used across markets for different applications.

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