Inframetrics 740

The Inframetrics 740 is a thermal imaging radiometer that delivers detailed thermal imagery and accurate temperature measurements across a wide range of professional applications. Released in Fall 1991, this system combines a lightweight scanner assembly with a dedicated control and electronics unit, enabling both stationary and portable deployment. The 740 acquires, stores, and analyzes thermal data with full image recall capability, supporting external optical accessories to extend measurement range and functionality.

## Technical Specifications

**Electrical**
• Power Requirements: 11–17 VDC, 30 W
• AC Power Supplies: 95–250 VAC, 47–63 Hz (USA/International)

**Physical**
• Scanner Assembly: 108″ × 5″ × 5″; 7.5 lbs
• Control/Electronics Unit: 10.5″ × 9.375″ × 6.25″; 12.0 lbs
• Ambient Operating Temperature: −15°C to +50°C

**Interfaces**
• BNC connectors (rear panel)
• RS-232 serial port

## Key Features

• Dual-unit architecture separates optical scanning from control electronics for flexible deployment
• Data acquisition, playback, and image storage enable thermal history documentation
• Compact scanner head (7.5 lbs) supports man-portable configurations
• Operating range spans harsh environments from −15°C to +50°C ambient

## Typical Applications

• Predictive maintenance and equipment diagnostics
• Research and development thermal characterization
• Building envelope diagnostics and energy audits

## Compatibility & Integration

The 740 accepts external optical accessories including filters, telescopes (0.25×, 0.5×, 10×, 30×), and close-up lenses to adapt measurement standoff and field of view. BNC and RS-232 interfaces enable video output and data control integration. Optional transporter cart and man-portability features accommodate both fixed-station and field-mobile workflows.