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(Specifications are for all models except where noted)
THERMOMETER
Measuring:
Temperature
Range:
Accuracy (24°C or 75°F
Ambient Temperature and at
emissivity of 0.95 or greater):
Distance to Spot Size Ratio:
Repeatability:
Resolution:
Response Time:
Spectral Response:
Operating Ambient
Temperature:
Operating Relative Humidity:
Display:
Keypad:
Average Temperature
Accuracy Time Period
(under continuous operation):
Emissivity:
Specifications
OS520:
0°F to 750°F (–18°C to 400°C)
OS520E:
0°F to 1000°F (–18°C to 538°C)
OS521:
0°F to 1000°F (–18°C to 538°C)
OS522:
0°F to 1600°F (–18°C to 871°C)
OS523:
0°F to 2500°F (–18°C to 1371°C)
OS524:
1000°F to 4500°F
(538°C to 2482°C)
OS520:
±2% of reading or
3°F whichever is greater
OS520E:
±1% of reading or
OS521,
3°F whichever is greater
OS522,
OS523,
OS524.
OS520:
10:1
OS520E:
10:1
OS521:
20:1
OS522:
30:1
OS523-1: 30:1
OS523-2: 60:1
OS523-3: 68:1
OS524:
110:1
± (1% rdg + 1 digit)
1°F or 1°C
OS520:
500 msec
OS520E:
250 msec
OS521, OS522,
OS523, OS524:
8 to 14 microns
32°F to 122°F
(0°C to 50°C)
95% or less without condensation
Backlit LCD dual display
4 position, tactile feed-back membrane
switch
11
⁄
days
1
2
0.10 to 1.00 in 0.01 increments,
set via keypad
7
7-1
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