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(Specifications are for all models except where noted)
THERMOMETER
Measuring OS551: –18°C to 400°C (0°F to 750°F)
Temperature OS552: –18°C to 538°C (0°F to 1000°F)
Range: OS553: –18°C to 871°C (0°F to 1600°F)
OS554: –18°C to 1371°C (0°F to 2500°F)
±1% of reading or
3°F whichever is greater
Distance to Spot Size Ratio: 10:1 (Figure 3-4) 60:1 (Figure 3-7)
20:1 (Figure 3-5) 40:1 (Figure 3-8)
30:1 (Figure 3-6) 68:1 (Figure 3-3)
Display Repeatability: ± (1% rdg + 1 digit)
Display Resolution: 1°F or 1°C
Display Response Time: 250 msec
Spectral Response: 8 to 14 microns
Operating Ambient Temperature:
Main Electronics: 0°C to 50°C (32°F to 122°F)
Sensor Head 0°C to 50°C (32°F to 122°F)
Sensor Head with OS550-WC 0°C to 85°C (32°F to 185°F)
Water Flow rate for OS550-WC 0.5 GPM, room temperature
Air Flow for OS550-AP 1 to 3 CFM (0.5 to 1.5 liters/sec.)
Operating Relative Humidity: 95% or less without condensation
Display: Backlit LCD dual display
Power Requirements: 7-24 Vdc @ 100 mA
Main Electronics Plastic ABS,
Housing IP65, NEMA 12 & 13 rated
Specifications
7
Accuracy @ 24°C or 75°F
Ambient Temperature and at
emissivity of 0.95 or greater:
7-1