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  • Product Name: Darkroom  Timer
  • Product No.: RDT-30
  • Brief Introdction:

immediate inquiry

Darkroom  Timer    

Darkroom timer RDT-30 with red caution light is a newly developed intelligent product,we adopt singlechip programming

Technology in control sector of the machine,regular time is  0-30 min,and min,sec can be set respectively,it is of

high accuracy and easy to operate. High brightness LED is installed  in luminouscomponen,besides,it enjoys a long lifespan

and it’s brightness is adjustable


1. The screen with “05” will show when power is turned on; 

2. Range of set time 1 second to 30mins.  

Timer setting:  

Step1:Min setting: press the button Set once  , the two digits will be fleshing and you can set the numberofmins 

by pressing the up and down buttons, the maximum  is 30;  

Step2:Sec setting: Press the button Set again ,the two digits will be fleshing and you can set the number of secs 

by pressing the up and down buttons, the maximum is 59;Pressing the button Set again and the setting is finished.  

Press the button Start/Stop when setting is finished and it will start to recount , It will start to alarm from the last

15 seconds and the screen will be fleshing when the time is up.Press the Start/Stop button the timer will return to

the time you set.