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Auto bell ring timer Switch controller school bell 220V with ring bell ,80 times one day,10 inch outlet timer
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This automatic bell timer product designed with high performance microcomputer
chip, it can automatically switch on the bell according to the fixed time, and realize automatic ring with max. 80 times one day. It is widely used in school, factory and etc.
Ring Bell Diameter and Range: 10 inch ,bell diameter :220mm ring bell range: 1200 ㎡
Timing error 0.5s/day
Load capacityResistance 25A
Max time length 1s~23h59m59s
6 buttons, “MODE” “SELE” “+” “-” “AUTO/MAN” “RESET”
MODEFunctional menu. Click it and enter program state. it can select from TC, PROG, ER
TL. Press it for 3s, it will return to the clock state.
SELEParameter optional. Under functional menu, click it and select the parameter you want, and
the chosen one is flashing.
+Up adjustment. Upwards number for the chosen parameter
-Down adjustment. Downwards number for the chosen parameter
AUTO/MANUnder the clock state, click “AUTO/MAN” button to select mode: ON, AUTO, OFF; Under
the program state, click it to cancel current program setting but make it display”–:–“, click
it again to keep this program.
Click it and can cancel all the program, clock is 00:00:00
|Dimensions||70 × 50 × 30 cm|