Technical Data
Marathon MR Rev. E2 04/2011 13
Figure 3: Model C Percentage of Allowed Signal Reduction
3.2 General Specifications
Display 7-segment LED display—shows temperature, slope, emissivity,
peak hold seconds, average seconds, and failsafe codes.
Individual LED’s indicate modes and active functions (e.g.,
2C/1C mode, slope, emissivity, peak hold, and average)
Environmental Rating IP65 (IEC 529, NEMA-4)
Ambient Temperature
without cooling 0 to 50°C (32°F to 122°F)
with air cooling 0 to 120°C (32°F to 250°F)
with water cooling 0 to 175°C (32°F to 350°F)
with ThermoJacket 0 to 315°C (32°F to 600°F)
Storage Temperature
Electronics Housing -20 to 70°C (-4°F to 158°F)
Relative Humidity 10 to 95%, not condensing at 22°C to 43°C (72°F to 110°F)
Electromagnetic Interference CE Emission Standard: EN50081-2
CE Immunity Standard: EN50082-2
Mechanical Shock
Electronics Housing MIL-STD-810D (IEC 68-2-27), 50 G, 11 msec duration, 3 axis
Vibrations
Electronics Housing MIL-STD-810D (IEC 68-2-6), 3 G, 11 to 200 Hz 3 axis
Thermal Shock none
Warm up Period 15 minutes
Weight
sensor 480 g (17 oz)
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