Heathrow Scientific® Lab Timers

Multi-channel stopwatch and timer options.

Stay precise and on schedule in any lab environment with Heathrow Scientific® Lab Timers. Designed for accuracy, ease of use, and versatility, these digital timers are ideal for scientific experiments, time-sensitive procedures, or general lab tasks. Choose from two high-performance models: the Pocket Timer/Stopwatch/Clock (HS24490D) and the Triple Timer/Clock (HS24490M).

Pocket Timer / Stopwatch / Clock (4-Channel)

This compact, portable lab timer offers maximum flexibility with four independent timing channels and a clear 6-digit display. Ideal for multitasking in busy lab settings, this unit functions as a count up/down timer, stopwatch, or clock all in one. 

• 4 independent channels, each with visual and audible alarms
• Use as a stopwatch, countdown/count-up timer, or digital clock
• Audible and visual alarms signal the end of timing
• Includes spring clip and magnetic back for hands-free use
• Compact and lightweight, perfect for lab coats or magnetic surfaces

Triple Timer / Clock (3-Channel)

Efficiently manage multiple tasks with this 3-channel countdown timer. Each channel features independent or simultaneous operation, making it ideal for labs requiring multi-task time tracking.

• 3 countdown channels with simultaneous display
• 60-second audible alarm and visual alerts
• Time-out function with automatic count-up after reaching zero
• Memory recall for quick reuse of previous settings
• Compact design fits easily on benchtops or mounts conveniently

Both models are perfect for busy research labs, classrooms, and industrial settings where precision timing is critical.

Specifications
 

Item #	Channels	Timing Capacity	Battery	Dimensions (D x W x H)
HS24490D	4	100 Hr.	1 LR44 1.5 V battery (included)	2.4 x 2.8 x 1.0 In. | 6.1 x 7.1 x 2.5 cm
HS24490M	3	20 Hr.	1 AAA battery (included)	3.4 x 2.6 x 0.9 In. | 8.6 x 6.6 x 2.2 cm