Calibrated Timers | McMaster-Carr

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	Certification Certification

Calibration Certificate
Traceable to NIST

	Power Source Power Source

Battery

	Timing Functions Timing Functions

	Resolution Resolution

1 sec.

1 min.

	Case Color Case Color

	White		Black
	Red		Yellow

	Case Material Case Material

Plastic

Metal

	Maximum Alarm Duration Maximum Alarm Duration

1 min.

Continuous

	Maximum Timer Duration Maximum Timer Duration

	Number of Displays Number of Displays

	Batteries Included Batteries Included

Yes

	Battery Size Battery Size

AAA

1.5V

	Height Height

2 1/8"

3 7/8"

	Width Width

2 5/8"

2 3/4"

3 1/2"

	Depth Depth

5/8"

7/8"

	Maximum Number of Events Maximum Number of Events

	Lens Material Lens Material

Plastic

	Maximum Number of Laps Stored Maximum Number of Laps Stored

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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 with Calibration Certificate Traceable to NIST
F	Count Up Count Down Pause	1	9,999 min.	Continuous	1 min.	2"	3"	5/8"	Plastic	Red	__	Yes	Alarm Memory Function	0000000	000000
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

Stopwatches

These stopwatches are water resistant.

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

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 with Calibration Certificate Traceable to NIST
A	Count Up, Split, Lap	30	±0.02 sec./hr.	16	Plastic	Black	Plastic	Yes	__	Lanyard	0000000	000000
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

Analog Stopwatches

Metal

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

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