Overview
The Red Lion APLPT is a dedicated process time indicator and digital display module designed for integration with Red Lion’s Large Digit Display (LDD) systems. This Apollo series meter delivers accurate elapsed time measurement in industrial process control, manufacturing, and automation applications where precise timing is critical for production cycles, batch tracking, or regulatory compliance.
Key Features
- 4 or 5-digit selectable LED display with 0.56″ (14.2 mm) character height for clear visibility at distance
- Bright, high-contrast display readable in both low and bright industrial lighting conditions
- Compact panel-mount design with standard mounting clip installation requiring 2.1″ (53.4 mm) minimum clearance behind panel
- IEC 1010-1 and EN 61010-1 certified for safety in measurement, control, and laboratory equipment
- Process time indicator functionality for tracking elapsed time in automated sequences
Technical Specifications
- Display Type: LED, 4 or 5-digit
- Character Height: 0.56 inches (14.2 mm)
- Panel Cutout: Varies by configuration
- Minimum Clearance (behind panel): 2.1 inches (53.4 mm) Height × 5.5 inches (140 mm) Width
- Function: Apollo Process Time Indicator
- Certifications: IEC 1010-1, EN 61010-1
- Series: Apollo APLPT
- Module Type: 4/5 Digit Module for Large Digit Display integration
Typical Applications
- Production cycle timing and elapsed time monitoring in manufacturing
- Batch process duration tracking and reporting
- Regulatory compliance documentation for timed processes
- Industrial automation sequence timing and control
- Equipment runtime monitoring and maintenance scheduling
Compatibility & Replacements
Compatible With
- Red Lion Large Digit Display (LDD) systems
- Apollo series meter platforms and enclosures
- Standard industrial panel cutout installations
- IEC 1010-1 compliant control systems
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. The APLPT model variants include APLPT400, APLPT410, APLPT500, and APLPT510 configurations depending on voltage and digit requirements.
Works With
- Red Lion Apollo display platforms
- Large Digit Display (LDD) mounting and integration
- Standard AC power inputs (115 VAC, 230 VAC variants)






