Observational Research Stopwatch

Marsoni

M251S

$49.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Observational Research StopwatchA unique stopwatch which allows the timing of a subject without disturbing it. For captive and field research, or in classrooms. Hands free operation allows for freedom of movement. The alarm is audible only through a headphone. The alarm can be set for repetitive intervals of every 0. 25 second to every hour. Two 1 100th second displays. Counts up or down to 10 hours. Ideal for multiple and simultaneous processes. In stopwatch mode, current lap time

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I'm very pleased with this item. It was not complicated to assemble but some items required dexterity and strength. The fabric panels are nice and tight and that's partly why it's a little hard to get that final screw in. I'm very pleased with the legs and the wheels. The metal components are nicely finished and feel substantial and endurable. I can easily fold this so many different ways… I can minimize the number of panels that are seen if desired and it can be straight or accordion. It's very stable which was hugely important to me because I'm fostering many many cats. It's not cheap looking and the light color fabric allows enough light to pass through that it doesn't darken the room substantially. I think the price was very reasonable

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Reviewed in the United States on May 7, 2026

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Steven Chandler

San Leandro, US

★★★★★ 5

Affordable. And Good!

Size: 4 Panel-88‘’Wide, Color: Black

We use it everyday. All the pieces came and it was very easy to put up. High quality fabric, and easy to move around.

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Reviewed in the United States on May 21, 2026

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