เครื่องวัดอุณหภูมิแบบอินฟราเรด ( Infrared Thermometer ) รุ่น DT-8818H แบรนด์ CEM -50~550ºC

Specification:

• -50°C to 1100°C x 0.1°
• Measures °C,°F
• Just point, pull the trigger and read the display
• Class II laser to identify the centre point of the area being measured
• Distance to spot size ratio is 16 to 1 at the focal point
• Adjustable emissivity from 0.10 to 1.0
• Response time less than 1 second
• Backlit 26mm LCD display with function indicators
• Automatic data hold when trigger released
• Trigger lock for continuous measurement
• Min, max or average and difference between min/max
• High and low alarm
• Auto power off after approx 7 seconds
• Low battery indication
• Supplied with carry case and battery

• Specifications	DT-8818H/8818	DT-8819H/8819	DT-8828H/8828	DT-8829
  Range	-50℃ to 550℃ -58℉ to 1022℉	-50℃ to 750℃ -58℉to 1382℉	-50℃ to 1000℃ -58℉ to 1832℉	-50℃ to 1000℃ -58℉ to 1832℉
  Distance to Spot size	16:1 (8818H, 8819H, 8828H); 12:1 (8818, 8819, 8828)			50:1 Distance to Spot size
  Emissivity	Adjustable 0.1~1.0 (8818H, 8819H, 8828H)			Fixed at 0.95
  Response Time	Less than 1 second
  Resolution	0.1º C/ºF (8818H, 8819H, 8828H); 0.1º up 200º, 1º over 200º (8818, 8819, 8828, 8829)
  Basic Accuracy	± 1.5% of reading or ± 2ºC/± 4ºF