Depth perception tester is a kind of instrument to study the visual acuity in depth. It can test the minimum threshold of the visual error of the eyes to the distance or depth. This instrument has a forward and backward movement mechanism for measuring depth of vision and a movement speed adjustment device. It can be widely used in the testing or selection of various drivers, gunners, athletes and other staff related to depth perception. It is also a must for psychological experiments. Equipment. Structure chart
Move the comparison stimulus so that it is in line with the three points of the standard stimulus. During the experiment, the difference in depth of the subject's vision can be measured.
2. Remote key
3. Panel layout
The speed of stimulus movement is divided into two speeds. Fast 50mm / s; slow 25mm / s
The movement direction of the comparison stimulus is reversible. The movement range of the comparison stimulus is 55mm.
Working voltage ~ 220V 50HZ
Dimensions 175 × 600 × 250 (W × L × H)
Fluorescent lamp 11W
1. The subject sits at a distance of 2m from the standard stimulus so that the binocular or monocular is horizontal with the observation window to observe the movement of the stimulus forward and backward.
2. The examiner turns on the power and turns on the lighting. At this time, the comparison stimulus automatically stops at the farthest distance from the standard stimulus. If the power switch is always on during the test, the main tester can press the reset button to make the comparative stimulus in the initial position, that is, stop at the furthest distance from the standard stimulus.
3. The subject operates the remote control key to make the three points of the comparison stimulus and the standard stimulus in line.
4. The examiner observes the measurement error of the testee from the scale reading.
The instrument should be operated in a ventilated and dry environment, and avoid direct sunlight and dust.
1. One host
2. One power cord
3. One set of remote control keys and cables
4. 1 manual
Outdoor Beach Chair brings you a wonderful lounge time at seaside or poolside.The materials synthetic PE rattan,aluminium frame and waterproof cushion are resistant to difference weather conditions and easy to maintain.
Outdoor Beach Chair is crafted from rattan wicker weaved into an aluminium frame. This combination help make this chair durable and comfortable all at once. The adjustable backrest allows you to adjust to different positions so that you can relax on the patio or by the pool.
Features
· For outdoor and indoor use
· High quality rattan plait
· Suitable to all weather conditions
· Easy to maintain
· Matches any outdoor decor
· Quick to assemble
· Adjustable backrest
Maintenance tips
· Do not use any abrasive cleaning agents for cleaning
· Clean the chaise lounge with a damp, soft cloth (you may use a mild cleaning agent) and wipe it dry afterwards
· In case of ceaseless heavy rain or during the winter, the furniture should be stored inside or have a protective cover on it
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If you have any questions, please contact with us directly. Outdoor Sofa Furniture are produced
by Golden Eagle Outdoor Furniture With High Quality and Good Appearance. Welcome you can visit our Factory.For any inquiry,Please send mail directly to us.
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