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General Description
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1-2
1.2 Thermometer Features
The thermometer is easy to use:
• Temperature readings are switchable from °F to °C via the
keypad.
• Parameters, such as target material emissivity and alarm
setpoints, can be set and remain in memory until reset.
This instrument has a rugged and functional design, including:
• Sealed keypad display.
Table 1-1. OS550 Series Industrial Infrared Thermometer Features
*or 3°F whichever is greater
Features
OS551 OS552 OS553 OS554
Accuracy* ±1% rdg ±1% rdg ±1% rdg ±1% rdg
Range 0 to 750°F 0 to 1000°F 0 to 1600°F 0 to 2500°F
(-18 to 400°C) (-18 to 538°C) (-18 to 870°C) (-18 to 1371°C)
Emissivity adjustable adjustable adjustable adjustable
Backlit Dual
standard standard standard standard
Display
Distance to
Spot Ratio
Differential
standard standard standard standard
Temperature
Min/Max
standard standard standard standard
Temperature
Average
standard standard standard standard
Temperature
High Alarm standard standard standard standard
Low Alarm – standard standard standard
Ambient Target
Temperature – standard standard standard
Compensation
RS-232 Output – standard standard standard
Data Storage – – standard standard
Last Temperature
standard standard standard standard
Recall
See Field of View Charts, pages 3-4, 3-5, 3-6