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Extech 42509 Dual Laser IR Thermometer with Colour Alert
High/Low Alarms with Vision Alarm Function
The Extech 42509 IR Thermometer with Colour Alert. This Infrared thermometer measures and displays non-contact temperature readings up to 510 Deg C (950 Deg F). Dual laser pointers ensure accurate targeting and temperature measurement. The Colour Alert feature indicates when High or Low set points are exceeded. The adjustable emissivity feature allows the IR thermometer to measure the temperature of virtually any surface.
Extech 42509 Features:
- Fast and accurate measurements at 12″ where the two lasers converge with 12:1 field of view
- Measures up to 950°F (510°C)
- Automatic blue backlit dual LCD display
- Red backlit display flashes when reading exceeds High or Low set points
- Exclusive 150 millisecond instantaneous response for capturing spikes in temperature
- Max mode captures and holds rapidly changing temperatures
- Adjustable emissivity increases measurement accuracy for different surfaces
- Adjustable High/Low set points with audible alarm alerts user when temperature exceeds the programmed set points
- Double molded housing
- Complete with case and 9V battery
Extech 42509 Specifications Summary:
| Laser Convergence Distance | 12″ (30.5cm) |
| Range | -4 to 950°F (-20 to 510°C) |
| Repeatability | ±0.5% or 1.8°F/1°C |
| Basic Accuracy | ±(1% of rdg + 2°F/1°C) |
| Max resolution | 0.1°F/°C |
| Emissivity | 0.10 to 1.00 Adjustable |
| Field of View (Distance to Target) | 12:1 |
| Dimensions | 146x104x43mm |
| Weight | 163g |
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