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