VWR® Three-Channel Alarm Timer with Triple Display三通道定時(shí)器
（1）Traceable®可追溯®
（2）Adjustable Alarm Volume and Duration可調(diào)報(bào)警音量與持續(xù)時(shí)間
（3）Memory Recall記憶
三通道定時(shí)器，
Time three separate lab operations simultaneously. Unit also serves as a stopwatch ａnd a time-of-day clock. Channels may be started individually or simultaneously. Program each channel from one second to 99 hours, 59 minutes, 59 seconds.
Adjustable alarm volume allows for use in either a noisy or quiet environment. Alarm may be set to silence automatically after one minute or to sound continuously until turned off. The LCD digits are 9.5mm （3/8"） high ａnd the display returns to the previously programmed time at the touch of a button. Quartz crystal accuracy is 0.001%. Rugged, chemical-resistant ABS plastic case.
Ordering Information: Supplied with a one-year, AAA alkaline battery.
A serial numbered certificate is provided from an ISO 17025 calibration laboratory accredited by A2LA to indicate instrument traceability to standards provided by the National Institute of Standards ａnd Technology.
關(guān)鍵詞：三通道定時(shí)器
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