Timers
Timers can be clocks, stopwatches or any mechanical or electronic device used for accurate timekeeping. Stopwatches count up from zero whilst timers count down. The display can be analogue or digital and for laboratory or fieldwork, they are usually shockproof and water-resistant. Stopwatches can be manually operated or fully-automated, in which the start and stop is controlled by sensors. Often double or triple display timers are used since they can measure more then one experiment or procedure simultaneously. Some devices include a timer, stopwatch and clock in one device. Controlled power strips can be plugged into a device and can be programmed to turn on and off at specific intervals over a day or even a week. Some devices contain an alarm system which can be audible or bright flashing LED. Digital timers with a crystal oscillator timing element contain a microchip which can be connected to external sensors or triggered by external events. Atomic wall clocks are accurate to one hundred billionth of a second. Timers are extremely important in all laboratories to measure the duration of an experiment or a procedure. Precision is vital because the findings or effects may vary after one millisecond and so quartz-powered devices are chosen.
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Hellma Macro-cuvette 100-QX, 5mm thickness 100-5-46 - Macro cells for absorption measurement, UV- Range, quarz glass SUPRASIL® 300 (1 Supplier)
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Hellma Macro-cuvette 109.000F-QS, 10x10mm 109000F-10-40 - General Lab (1 Supplier)
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Hellma Macro-cuvette 109.000-QS, 10 mm thickness 109-000-10-40 - General Lab (1 Supplier)
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Hellma Quartz Glass Plate 202-Qs 202-40 - Hellma Analytics window plates (1 Supplier)
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Herbert Waldmann Spot Led 003 With Flexible Metal Tube 112 462 007 - General Lab (1 Supplier)
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Hielscher Ultrasonics Timer T1 T1 - Accessories for Ultrasonic Processor UP50H/UP100H (1 Supplier)
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Hilgenberg Core tubes 80mm, from quartz glass 4017520 - General Lab (1 Supplier)
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HL800 LED Surgical Headlight (1 Supplier)
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Huger TR118 clock timer used in SP1900 (1 Supplier)
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Hunersdorff Storage Bin PP Size 1 Blue 671300 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 1 Blue 671320 - Display boxes for packaging purposes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 1 Green 671400 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 1 Red 671100 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 1 Red 671120 - Display boxes for packaging purposes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 1 Transparent 671700 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 1 Yellow 671200 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin Pp Size 2 Blue 672300 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2 Blue 672320 - Display boxes for packaging purposes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2 Green 672400 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2/L Blue 682300 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2/L Blue 682320 - Display boxes for packaging purposes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2/L Green 682400 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2/L Red 682100 - Display boxes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2/L Red 682120 - Display boxes for packaging purposes, PP (1 Supplier)
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Hunersdorff Storage Bin PP Size 2/L Yellow 682200 - Display boxes, PP (1 Supplier)
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