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H27507
Digital Stopclock
NFU 618
H27749
Centisecond Timer Module
The Unilab stopclock is a versatile and distinctive piece of apparatus which has become
standard in most British school laboratories.
It is suitable for general purpose timing for up to one hour in centi-second (H27749) (1/100
th
of
a second) intervals.
Two buttons on the top control stopping/starting, lap times and reset. It can also be controlled
via three 4mm sockets on the front.
Date/Time Mode
The stopclock doubles as a standard digital clock.
To tell if the unit is in this mode, look at the small two digits on the right of the display.
If they are increasing once per second, the unit is in Date/Time mode.
Pushing and holding the black start stop button on the top will show the date, month and day of
the week. Releasing it shows the clock again.
version H27507.16.07
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Summary of Contents for unilab H27507
- Page 1 H27749 Centisecond Timer Module The Unilab stopclock is a versatile and distinctive piece of apparatus which has become standard in most British school laboratories. It is suitable for general purpose timing for up to one hour in centi-second (H27749) (1/100 a second) intervals.
- Page 2 10s of minutes Months 0-12 Su-Sa Minutes Stopclock Mode The stopclock starts timing when the black start/stop button is pushed, not when it is released. Similarly, if the timer is running, it will stop when the start/stop button is pushed. version H27507.16.07...
- Page 3 Long leads should be used so the tester can hide switch A and start the timer. The subject of the test should watch the timer and push switch B to stop the timer as quickly as they can after it starts. version H27507.16.07...
- Page 4 A and B respectively. Light gates or switches can be connected to these to control the stopclock. The module functions in two modes, selected by the two-position switch on the top. version H27507.16.07...
- Page 5 For example, a vehicle passes through one light gate, and then through another. The stopclock will start timing as soon as the vehicle blocks the first light gate, and stop timing as soon as the vehicle blocks the second light gate. version H27507.16.07...
- Page 6 This advice is not a replacement for a formal risk assessment, which should be carried out according to your school or LEA policy. Warnings For your safety, this product should be used in accordance with these instructions, otherwise the protection provided may be impaired. version H27507.16.07...
- Page 7 Supplier details Philip Harris Education, 2 Gregory Street, Hyde, Cheshire SK14 4RH Orders and Information Tel: 0845 120 4521 Fax: 0800 138 8881 Repairs Tel: 0845 120 3211 E-mail: techsupport@philipharris.co.uk Website: www.philipharris.co.uk © Philip Harris Education, 2002, 2014 version H27507.16.07...