RayTek MARATHON MM SERIES - Page 15

Technical Data
Marathon MM Rev. D7 Jul 2017 15
System Accuracy
2
LT ± 1% of reading or ± 1°C for Tmeas > 0°C (32°F)
(whichever is greater)
MT ± 1% of reading for Tmeas > 350°C (662°F)
± 2°C or ± 2% for Tmeas < 350°C (662°F)
(whichever is greater)
G5L, G5H, G7 ± 1% of reading
3M ± 1% of reading for Tmeas > 150°C (302°F)
± 5°C for Tmeas < 150°C (302°F)
2ML ± (0.3% of reading + 2°C)
2MH ± (0.3% of reading + 1°C)
1ML ± (0.3% of reading + 1°C) for Tmeas > 450°C (842°F)
± (2% of reading + 2°C) for Tmeas < 450°C (842°F)
1MH ± (0.3% of reading + 1°C) for Tmeas > 650°C (1202°F)
± (2% of reading + 2°C) for Tmeas < 650°C (1202°F)
Repeatability
3
LT, MT, G5, 3M, G7 ± 0.5% of reading or ± 0.5°C, whichever is greater
2ML, 2MH ± (0.1% of reading + 1°C)
1ML ± (0.1% of reading + 1°C) for Tmeas > 450°C (842°F)
± (1% of reading + 1°C) for Tmeas < 450°C (842°F)
1MH ± (0.1% of reading + 1°C) for Tmeas > 650°C (1202°F)
± (1% of reading + 1°C) for Tmeas < 650°C (1202°F)
Temperature Resolution (mA output)
2MH, 1MH 0.2 K
all other models 0.1 K
Noise Equivalent Temperature (NETD)
LT 0.1 K at Tobj = 23°C (73°F), Tamb = 23°C (74°F)
3M 0.1 K at Tobj = 200°C (392°F), Tamb = 25°C (77°F)
MT, G5, G7 0.5 K at Tobj = 10% of full measurement range, Tamb = 25°C (77°F)
2M, 1M 0.5 K at Tobj = 10% of full measurement range, Tamb = 25°C (77°F)
Response time = Instrument Response time
Emissivity 0.100 to 1.150, in 0.001 increments
Signal Processing Peak hold, valley hold, averaging, advanced peak hold,
advanced valley hold, ambient background temperature
compensation
2
at 23°C ±5°C (73°F ±9°F), emissivity = 1.0, and time response 1.0 s
3
at 23°C ±5°C (73°F ±9°F)