McMaster-Carr

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	Power Source Power Source

Battery

Electric

Solar

	Timing Functions Timing Functions

	Maximum Timer Duration Maximum Timer Duration

	Resolution Resolution

1 sec.

1 min.

1/100 sec.

	Number of Displays Number of Displays

	Maximum Number of Events Maximum Number of Events

	Maximum Alarm Duration Maximum Alarm Duration

12 sec.

1 min.

Continuous

	Battery Size Battery Size

AAA

1.5V

CR2032

	Case Color Case Color

	White		Gray
	Black		Blue
	Beige		Red
	Yellow		Clear

	Case Material Case Material

Plastic

Metal

	Height Height

	Width Width

	Depth Depth

	Maximum Temperature Maximum Temperature

140º F

Not Rated

	Minimum Temperature Minimum Temperature

14º F

Not Rated

	Display Time Display Time

12 hr.

24 hr.

	Stopwatch Timing Function Stopwatch Timing Function

Countdown

Split

	Maximum Number of Laps Stored Maximum Number of Laps Stored

500

	Performance Properties Performance Properties

Metal Detectable

X-Ray Detectable

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26 Products

About Timing Functions

Style M has an extra-loud alarm that can be heard over background noise in a typical manufacturing environment.

Timers with a calibration certificate traceable to NIST have been tested to NIST standards to ensure accuracy.

Timers with a memory function automatically return the display to the last programmed time. Good for timing repetitive intervals.

									Case
Style	Timing Functions	Max. No. of Events	Max. Timer Duration	Max. Alarm Duration	Resolution	Ht.	Wd.	Dp.	Material	Color	Backing Type	Batteries Included	Features		Each
Timers
B	Count Up Count Down Pause	1	100 min.	1 min.	1 sec.	2 1/4"	2 1/2"	1/2"	Plastic	Blue	Magnetic	Yes	Alarm Built-In Stand	0000000	000000
E	Count Up Count Down Pause	1	24 hrs.	12 sec.	1 sec.	2 1/2"	3 3/4"	1"	Plastic	Gray	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
F	Count Up Count Down Pause	1	9,999 min.	Continuous	1 min.	2"	3"	5/8"	Plastic	Red	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
G	Count Up Count Down Pause Clock	1	24 hrs.	1 min.	1/100 sec.	3 3/4"	3 3/4"	3"	Plastic	Gray	__	Yes	Alarm Built-In Stand Memory Function	000000	00000
H	Count Up Count Down Pause Clock	4	100 hrs.	1 min.	1 sec.	2 1/2"	2 3/4"	1/2"	Plastic	White	__	Yes	Alarm Memory Function	0000000	00000
J	Count Up Count Down Pause Clock	6	100 hrs.	1 min.	1 sec.	2 3/8"	2 3/4"	1"	Plastic	Gray	__	Yes	Alarm Memory Function	0000000	00000
K	Count Up Count Down Pause Clock	8	100 hrs.	Continuous	1 sec.	4 1/4"	6 1/2"	3 1/2"	Plastic	Beige	__	__	Alarm Memory Function	0000000	000000
Timers with Calibration Certificate Traceable to NIST
L	Count Up Count Down Pause Clock	2	24 hrs.	1 min.	1 sec.	2 1/8"	2 3/4"	7/8"	Plastic	Black	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
M	Count Up Count Down Pause	2	100 hrs.	1 min.	1 sec.	3"	3 1/2"	5/8"	Plastic	White	Magnetic	Yes	Alarm Built-In Stand Memory Function	0000000	00000
N	Count Up Count Down Pause Clock	3	20 hrs.	1 min.	1 sec.	3 7/8"	2 5/8"	1"	Plastic	Black	__	Yes	Alarm Memory Function	0000000	00000

Analog Timers

								Case
	Timing Functions	Max. No. of Events	Max. Timer Duration, min.	Resolution	Ht.	Wd.	Dp.	Material	Color	Power Source	Batteries Included	Features		Each
C	Count Up, Pause	1	60	1 sec.	6 3/4"	5 1/4"	3 3/4"	Plastic	White	Battery	Yes	Second Hand	0000000	0000000

Stopwatches

These stopwatches are water resistant.

Stopwatches with a calibration certificate traceable to NIST have been tested to NIST standards to ensure accuracy.

Stopwatch with a backlit display allows you to time events in low-light conditions.

Optional clipboard has a clamp to hold Style A stopwatches and a clip to hold paper.

					Case
Style	Timing Functions	Max. Timer Duration, hrs.	Accuracy	Max. No. of Laps Stored	Material	Color	Lens Material	Batteries Included	Features	Includes		Each
Stopwatches
A	Count Up, Split, Lap	10	±0.04 sec./hr.	__	Plastic	Black	Plastic	Yes	__	Lanyard	0000000	000000
C	Count Up, Lap, Pause, Clock	24	±0.125 sec./hr.	__	Plastic	Clear	Plastic	Yes	Alarm, Backlit Display	Lanyard	0000000	00000
D	Count Up, Split, Lap, Pause, Count Down	10	±0.04 sec./hr.	7	Plastic	Black	Plastic	Yes	__	Lanyard	000000	00000
E	Count Up, Split, Lap, Pause, Count Down	10	±0.04 sec./hr.	__	Plastic	Black	Plastic	Yes	Alarm	Lanyard	0000000	00000
E	Count Up, Split, Lap, Pause, Count Down, Clock	20	±0.02 sec./hr.	500	Plastic	Gray	Plastic	Yes	Alarm	Lanyard	0000000	00000
Stopwatches with Calibration Certificate Traceable to NIST
A	Count Up, Split, Lap	30	±0.02 sec./hr.	16	Plastic	Black	Plastic	Yes	__	Lanyard	0000000	00000
B	Count Up, Split, Pause, Clock	24	±0.04 sec./hr.	__	Plastic	Black	Plastic	Yes	Alarm	Lanyard	0000000	00000
B	Count Up, Split, Pause, Clock	24	±0.4 sec./hr.	__	Plastic	Yellow	Plastic	Yes	Alarm	Lanyard	0000000	00000

Optional Aluminum Clipboard for Style A (9" Wd. × 12 1/2" Lg.)

0000000

Each

000000

Metal- and X-Ray-Detectable Stopwatches

Breakaway Clasp

Track time on food processing lines while reducing the risk of contaminating the food. To help you comply with Hazard Analysis and Critical Control Point (HACCP) programs, these plastic stopwatches contain metal and chemical additives that will set off metal detectors and show up on X-ray machines. They’re also bright blue, so it’s easy to spot any broken pieces that may fall into your line. They are FDA compliant for direct contact with food.

These stopwatches have a lanyard with a breakaway clasp, which keeps you safe while working near your line—the clasp will break if the lanyard gets caught.

							Case
Timing Functions	Max. Timer Duration, hrs.	Accuracy	Resolution	Ht.	Wd.	Dp.	Material	Color	Lens Material	Batteries Included	Features	Includes	Specifications Met		Each
Count Up, Pause, Clock	8	Not Rated	1/100 sec.	3"	2"	7/8"	Plastic	Blue	Plastic	Yes	Alarm, Memory Function	Lanyard	FDA Compliant 21 CFR 177.1520	0000000	000000

Analog Stopwatches

Metal

Plastic

Record one event from start to finish. These stopwatches have an inset dial that measures total time.

Stopwatch with a calibration certificate traceable to NIST has been tested to NIST standards to ensure accuracy.

Stopwatches
Timing Functions	Max. Timer Duration, min.	Accuracy	Case Material	Case Color	Lens Material		Each
Count Up, Pause	30	±1.5 sec./hr.	Chrome-Plated Metal	__	Plastic	0000000	000000
Count Up, Pause	60	±1.5 sec./hr.	Plastic	Black	Plastic	0000000	000000
Stopwatches with Calibration Certificate Traceable to NIST
Count Up, Pause	30	±1.5 sec./hr.	Chrome-Plated Metal	__	Plastic	0000000	000000

Combination Wristwatch/Weather Monitors

Monitor your environment when working outdoors. These wristwatches display time, date, temperature, barometric pressure, and altitude. It also has a stopwatch and digital compass.

		Stopwatch			Housing		Band
Face Dia.	Display Time	Timing Function	Max. Time, hrs.	Temperature Range, °F	Material	Color	Material	Color	Closure Type	Power Source		Each
2 1/8"	12 hr., 24 hr.	Countdown, Split	1,000	14° to 140°	Plastic	Black	Plastic	Black	Buckle	Solar	0000000	0000000

Faucet Timers for Handwashing

Attach these timers to faucets to make sure you’re following handwashing protocols that help prevent the spread of illness. Most health organizations recommend washing your hands for at least 20 seconds to eliminate germs. These timers have a 30-second countdown, which is enough time to pump soap, wash for 20 seconds, and rinse your hands. An easy-to-read LCD display shows you the amount of time you have left. They also beep to alert you when the countdown is done, so you don’t have to watch the timer.

These timers are touch-free—a sensor triggers the countdown as soon as water starts flowing, and they automatically reset after 30 seconds. The countdown continues even if the flow of water stops, so you can install them on both manual and touch-free sinks. Connect timers directly to a male-threaded faucet, or use the male adapter to connect to a female-threaded faucet. They include a wrench, so you don’t need tools on hand to install them.

Made from impact-resistant ABS, these timers hold up to bumps and scrapes from regular use. The chrome finish blends in with silver faucets. An aerator at the base of the timer prevents splashes and helps create a smooth flow of water. They also have a rubber gasket to keep water from leaking through the faucet connection.

Thread Size	Gender	Timer Duration, sec.	Diameter	Height	Flow Rate, gpm	Batteries Included	Features	Includes		Each
55/64"-27	Female	30	2 7/8"	5 1/4"	2	Yes	Auto Reset, LCD Display	15/16"-27 Male Adapter, Wrench	0000000	0000000

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