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SC-104
NIST Traceable® water- and shock- resistant 24-hour stopwatch
TC-501
NIST Traceable® extra-loud alarm timer
TC-555
NIST Traceable® 3-channel 100-hour alarm timer with stopwatch
TC-556
NIST Traceable® large-display 4-channel 100-hour timer with stopwatch and clock
TC-558
NIST Traceable® 100-hour alarm timer
TC-559
NIST Traceable® jumbo 2-channel 24-hour timer with stopwatch
TV-203
NIST Traceable® 3-channel 10-hour alarm timer
CC-5128
Traceable Blue-Steel Digital Timer with Calibration
CC-5135
Traceable Extra-Large Digit Digital Timer with Calibration