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