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Waterproof data-log thermometer with alarm captures ten temperature readings, stores them in memory, and recalls them on command. No paper needed. Features waterproof construction allows use in wet labs, wash-down areas, and outside. Bold digits (1/2-inch-high) are easy to read. Features include F/C switch, minimum and maximum memory readings over any time period, HOLD switch (freezes the display to capture temperature to memory), and 10 memories. Both high and low audible alarm may be programmed in 1° increments. Sounds 4 seconds every minute until temperature returns to in-range reading or alarm-off is pressed. Stainless-steel probe has a 1/4-inch diameter, 7-1/2-inch length, and 22-inch cable. Cable stores in case. Shock-resistant ABS plastic case is 4-5/8 inches high by 2-7/8 inches wide by 1-inch deep.