12vdc automatic/electric bell timer
1.ringing 80 times
2.1s~23h&59min&59s
3.wall mounting
4.battery replaceable;CE & CCC
Port: shanghai
Minimum Order Quantity: 10 Piece/Pieces more
Supply Ability: 10000 Piece/Pieces per Week more
Payment Terms: L/C,T/T,Western Union,MoneyGram
Contact Supplier
Packaging Detail: carton
Delivery Detail: 3-4 days
The working voltage can be customized as 12VDC,24VDC,110VAC,220VAC,380VAC
12v dc automatic/electric bell timer
1.ringing 80 times
2.1s~23h&59min&59s
3.wall mounting
4.battery replaceable;CE & CCC
Description:
Weekly programmable bell timer is designed with high performance microcomputer
chip, it can automatically switch on the ring on fixed time, and realize
automatic ring with max. 80 times one day.
It is of the highest accuracy, reliability & durability.
Application:
It is widely used in school, factory and etc.
Features:
Specifications:
Capacitance: Resistance Load: 25A, Consumed power< 4VA
Timing Control Range: 1s-23h 59min 59s Timing error <±2s/day(25°C±1°C)
Temperature:-10°C~+50°C Relative Humidity: <95%
Dimension: 126×88×51mm Weight: 430 g
Battery: replaceable
For example
There is a factory has the working schedule as follows:
On duty: 8:00-12:00 am
14:00-18:00pm
From Monday to Friday.
On duty: 8:00-12:00 am for Saturday
The setting is following:
1. It needs to set 4 times ringing as the figures.
2. To choose the program serial number, press “+” to change it to 05, press “manual” key and “+” key for 3s, to cancel the program group later, make it as “--:--”.
3. Long press “MODE” key, make the system return to the clock state.
4. Press “MANU” key, make the control state as automatic.
5. Switch “manual/auto” key on the right to “auto”.
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Features: good quality lcd countdown clock
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2,Display usage:total 9 digital display
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Specification:
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