|Supply voltage||4.5 V (3 batteries AG 13)|
|Output radiation power, no more||1 mW|
|Range of coverage, at least||6 m|
|Overall dimensions, no more than||19х59х30 mm|
|Weight, no more than||20 g|
|Operating temperature range||-10 to +55°С|
Optical tester OT-1 is a portable self-powered small-size device.
Casing of the Optical tester OT-1 has an ergonomic and modern design. Protection against reverse polarity of batteries.
To check the working capacity of fire detector using the tester, press the button on the tester cover and point the laser beam at the visual indicator of the detector for at least 0.1 seconds. After detector actuation, visual indicator of button type located on the detector is activated.
Signal from the tested detector is sent to the control and indicating device.
The insulating lining shall be removed before the operation.