For example: Agilent E4440A or Anritsu 68369
Thermal Meter
Fluke 54-II
54-II (54 II, 54-3, 54II) 60 Hz, Dual Input Thermometer - 50 Series II
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Manufacturer: Fluke
Fluke 574-CF
574-CF Precision Infrared Thermometers with Close Focus - 570 Series
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Manufacturer: Fluke
Fluke 574-NI
574-NI Precision Infrared Thermometers that is the Nonincendive Model - 570 Series
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Manufacturer: Fluke