DC Electronic Recording Timer 8V to 12V 2 Speed single bellow (mm) Height (mm) S 1010

(mm) Height (mm) S 1010 20 55 23 S 1020 45 75 27 S 1030 70 87 33 S 1040 85 94 36 S 1050 100 100 38 S 1060 200 113 47 S 1070 400 142 62

It creates a controlled environment

but when misaligned at 90o

7 kg See Here SE

DC Electronic Recording Timer 8V to 12V 2 Speed single bellow (mm) Height (mm) S 1010This DC Electronic Recording Timer generates 25 & 50Hz from an AC or DC source or 12V PlugPak, and its microprocessor and slide switch make frequency selection easy. The device has a heavy diecast base and rubber feet, allowing it to vibrate at 50Hz without clamping, and can be held on a retort stand for 'Falling' experiments. Comes with a 30m roll of paper and 25 carbon discs for marking. The Kit Includes: 1 x Recording timer, with hammer and