Heathrow Scientific Lab Alert Multi-Function Stopwatch HS24645 — Timer, Clock, Calendar & Alarm The Heathrow Scientific Lab Alert Multi-Function Stopwatch (HS24645) is a compact ABS-housed digital timer combining stopwatch, clock, calendar, and alarm functions in a single instrument for laboratory protocol timing. Featuring quick-start/quick-stop operation, split timing, hourly chime, and a 24-hour timing capacity, this stopwatch handles everything from short incubation intervals to extended overnight protocol monitoring. The included 100cm neck cord allows hands-free carrying between workstations. Powered by one LR44 1.5V battery (included). Features and Benefits Multi-Function Operation: Stopwatch, clock, calendar, and alarm in one device — eliminates the need for separate timers and clocks at the workstation. Quick Start / Quick Stop: Single-button timer activation for fast protocol timing without fumbling through menus. 24-Hour Timing Capacity: Extended timing range supports overnight incubations, long culture protocols, and extended reaction monitoring. Split Timing: Record intermediate lap times without stopping the main timer — useful for multi-step protocols with sequential timing checkpoints. 100cm Neck Cord: Hands-free carrying between workstations, hoods, and incubators. ABS Housing: Durable, chemical-resistant ABS plastic withstands daily laboratory use. Specifications Specification Details SKU HS24645 Brand Heathrow Scientific Functions Stopwatch, Clock, Calendar, Alarm, Hourly Chime, Split Time Timing Capacity 24 Hours Channels 1 Channel Material ABS Dimensions (L × W × H) 87 × 78 × 20 mm Battery 1 × LR44 1.5V (included) Neck Cord 100 cm (included) Quantity 1 Each Country of Origin China Frequently Asked Questions What battery does the HS24645 stopwatch use? The Lab Alert Multi-Function Stopwatch uses one LR44 1.5V button cell battery, which is included with the stopwatch. Replacement LR44 batteries are widely available. Can the stopwatch count up and count down? The HS24645 features count-up (stopwatch) timing with split time capability. For countdown timer functionality, see the Heathrow Scientific Lab Alert timer models with countdown features. Is the stopwatch water resistant? The ABS housing provides splash resistance for normal laboratory use, but the stopwatch is not rated for submersion. Avoid direct contact with liquid spills on the button and display areas. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[ {"@type":"Question","name":"What battery does the HS24645 stopwatch use?","acceptedAnswer":{"@type":"Answer","text":"The Lab Alert Multi-Function Stopwatch uses one LR44 1.5V button cell battery, which is included with the stopwatch. Replacement LR44 batteries are widely available."}}, {"@type":"Question","name":"Can the stopwatch count up and count down?","acceptedAnswer":{"@type":"Answer","text":"The HS24645 features count-up (stopwatch) timing with split time capability. For countdown timer functionality, see the Heathrow Scientific Lab Alert timer models with countdown features."}}, {"@type":"Question","name":"Is the stopwatch water resistant?","acceptedAnswer":{"@type":"Answer","text":"The ABS housing provides splash resistance for normal laboratory use, but the stopwatch is not rated for submersion. Avoid direct contact with liquid spills on the button and display areas."}} ]} Ordering Authorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.
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