Features: 1) Good portability and fast cooling 2) Touch screen industrial computer control, powerful function 3) High measurement accuracy, especially suitable for on-site calibration of large people 4) The handheld thermometer has high accuracy and can be used in the laboratory and on-site 5) It can be used with temperature verifier to realize automatic calibration of on-site temperature 3. Product test curve: Configuration Serial number equipment name model technical parameter size (mm) test cavity; other appearance 1. Miniature smart tank temperature range: -6~180℃ Cooling speed: 1.0℃/min (at 20℃); Fluctuation: ±0.03℃ (within 10 minutes); Vertical temperature difference: 0.01℃; Highest resolution: 0.001℃; Indication error: less than 0.1℃ (Test condition: set 0℃ without using reference thermometer 4002 conductive cold liquid, ambient temperature 20℃); Φ40×120×380×230×(410+70) imported refrigeration compressor; Single stage 90w; Weight: about 10.5KG 2.Temperature range of miniature smart tank: -30~180℃ Cooling speed: 1.0℃/min (at 20℃); Fluctuation: ±0.01℃ (within 10 minutes); Vertical temperature difference: 0.01℃; Highest resolution: 0.001℃; Indication error: less than 0.1℃ (Test condition: set 0℃ without using reference thermometer 4002 conductive cold liquid, ambient temperature 20℃); Φ58×200×310×430×(465+70) imported refrigeration compressor; Single stage 90w; Weight: about 10.5KG 3.The temperature range of the miniature smart tank: 10~250℃ (short-term 300℃) Fluctuation: ±0.01℃(100℃); Vertical temperature difference: 0.01℃; Highest resolution: 0.001℃; Indication error: less than 0.1℃ (Test condition: set 0℃ without using reference thermometer 4001 silicone oil medium, ambient temperature 20℃); Φ58×300×230×380×(410+80) Weight: about 13KG