200,000 umhos Standard-Accuracy at 25 deg C is ±0.25 micromhos for 1, 5, and 10 umhos solutions and ±0.25% for other solutions or the uncertainty shown on the certificate, whichever is greater.
Countdown alarm, stopwatch and time-of-day. Full keyboard (0-9 keys). 1.9cm LCD readout counts down or up to 9 hours, 59 minutes, 59 seconds. Clock channel, memory recall. Magent back. NIST traceable. Includes battery.
Countdown from 99 minutes, 59 seconds in 1 second increments. Countdown alarm. Three-button control. 1.9cm digits. Memory resets the display to the last programmed time. Alarm sounds for up to 1 minute. Flip-open stand/magnet/clip back. NIST traceable. Includes battery.