Digital Laboratory Thermometer TL-1A

Display : LCD with 0.25 inch characters; Trend Indicating Arrows; Low Battery & Fault indication User Functions : Auto Off after 20 minutes or continuous operation; Lowest Reading, Highest Reading, Average Reading; Switchable in Units of ° C or ° F; Display tenths or hundredths resolution Construction : Stainless Steel temperature sensor; Standard Sensor length 20cm ( 8" ) ; Standard diameter 6.35mm ( 1/ 4" ) with reduced diameter tip of 4.76mm ( 3/ 16" ) ; Sensor mount acetyl plastic; Electronics and display in 3.5" × 1.2" anodised Aluminum enclosure; Molded Silicone seal; Highly durable display window, graphics and membrane switches. Weight : 93g ( 3 ounce) Temperature Resolution : 0.01 Degress Calibrated Accuracy : ± 0.06° C from -10° C to 160° C, ± 0.1° F from 14° F to 320° F; NIST Traceable Report of Test Temperature Time Constant : 8 seconds in circulated water bath ( 63.2% response to temperature change) Electronics : Microcontroller and precision 20 bit A/ D Converter; FLASH memory; Recommended Temperature Range for best accuracy 0° C to 44° C, 32° F to 112° F; 100 Ohm, Class A Platinum RTD; Immersion depth 11cm, 4" Sensor : 100 Ohm, Class A Platinum RTD; Immersion depth 11cm, 4" Battery : 20mm Coin Size 3V Lithium, Duracell Type CR2032; Over 100 hours Service Life at 21° C, 70° F Battery Operating Range   -20° C to 54° C ( -4° F to 130° F) .  Note: Battery may not provide adequate power if ambient temperature is below -20° C, -4° F or above 54° C, 130° F