*TN672/675/677*TN672/675/677詳細參數(shù) --------------------------------------------------------------------------------Specifications TN672 TN675 TN677 Distance/Spot Ratio 30:1 50:1 50:1 Temperature Range -32~ 1300°C(-25.6~2372℉) -32~ 1650°C(-25.6~3002℉) Accuracy (Assumes Operation Ambient Temperature of 25°C/77°F) ±3℃(±5℉) -32~ -20℃(-25.6~ -4℉)±2℃(±3℉) -20~ 100℃(-4~ 212℉)Above 100 ℃(212℉):±2% Thermopile 8~14μm Repeatability ±1℃(±2℉) Resolution 0.1℃ or 0.1℉(Above 2000℉:1℉) Response Time 500ms Operation Temp 0~50℃(32~122℉),10~90%RH Auto Power Off Automatically after approx. 6sec Emissivity Adjustable 0.1~1.0 ℃/℉ Switchable YES Backlight YES Laser Sight Switchable YES Max/Min/Avg./ΔT YES Auto-measuring YES 10 Point Memory YES Audio Alarm YES Dual Display YES Tripod Mount YES Dimensions 200×166×50.5 mm