The ITS Model 6135B is a fully MIL STD Cockpit Timecode Display. Designed for use in aircraft cockpits and other mission-critical environments. This compact unit decodes and displays applied IRIG B serial timecode. In a clear HH:MM:SS format using high-visibility 0.75” red LED digits. When a timecode signal is unavailable, the display automatically switches to its highly accurate internal TCXO clock. Therefore, ensuring uninterrupted timing functionality.
Housed in a robust aluminium enclosure and secured with standard Dzus® rail mounts. The 6135B is a form, fit, and function replacement for the discontinued Datum 9520-647. Therefore, making it an ideal upgrade for existing aircraft systems.
Key Features
Displays IRIG B Serial Timecode (IAW IRIG Standard 200-98)
Automatic Fallback to Internal Clock (TCXO ±2×10⁻⁶) during signal loss
Bright, Readable Display: Six-digit, 0.75” red LED, seven-segment display
User-Selectable Brightness: Front panel rotary switch with 8 intensity levels
Flashing Colons at 1Hz indicate fallback to internal timekeeping
Tested for MIL Standards:
MIL-E-5400T (flight and crash safety)
MIL-STD-461E CE102 and RE102-5 (EMC compliance)
MIL-STD-704A (power transient protection)
Power Input: 15–36 VDC, 2.0W max
Mounting: Standard 4-position Dzus® rail mount per MS25212
Optional NVIS Filter and Green LED Display available
Compatible with F-16 and other airborne platforms
Specifications Summary
| Specification | Details |
|---|---|
| Timecode Input | IRIG B (0.5–15Vpp, 2:1–6:1 modulation ratio, BNC) |
| Display | HH:MM:SS, 6-digit, 0.75″ red LED (green optional) |
| Clock | TCXO, ±2×10⁻⁶, active when timecode is lost |
| Brightness Control | 8-position rotary switch (front panel) |
| Power Requirements | 15–36 VDC, 2.0W; MIL-STD-704A compliant |
| Operating Temperature | –10°C to +60°C |
| Storage Temperature | –20°C to +95°C |
| Humidity | 95% non-condensing |
| EMC Compliance | MIL-STD-461D CE102 (10kHz–10MHz), RE102-5 (10kHz–18GHz) |
| Crash and Flight Safety | Meets MIL-E-5400T: shock, decompression, atmosphere |
| Mounting | 5.75” W x 1.5” H x 5” D, aluminium enclosure; Dzus mount |
| Optional Panel (-17) | Compatible with F-16; 4 Dzus® fastener panel |
| Control Interface | Circular MIL connector PT02E10-98P (rear panel) |
Designed for Military Cockpit Integration
The 6135B MIL STD Timecode Display is for airborne environments, offering reliability, compliance, and compatibility in the most demanding conditions. Its NVIS-ready display, power transient resilience, and MIL-qualified performance make it perfect for aircraft. These aircraft need time displays that can work in tough conditions.
✅ Form-Fit Replacement for DATUM 9520-647
Upgrade legacy systems with a drop-in replacement that exceeds modern MIL standards. The 6135B offers seamless integration with minimal modification.
Manufactured by EON Instrumentation
The 6135B is part of the ITS product line now produced by EON Instrumentation. Supporting video and timing systems for mission-critical aerospace and defence applications. All units are built and customised in the USA under AS9100D-certified quality systems.
📞 Contact Us for Customisation or Support
Need additional mounting options, NVIS filtering, or integration assistance? Contact us to learn how the 6135B MIL STD Cockpit Timecode Display can meet your airborne timing needs.
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