auto digital bell timer
1.program 80 times
2.relay time;1s~23h&59min&59s
3.battery replaceable;CE
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 SupplierPackaging Detail: carton
Delivery Detail: 3-4 days
Description:
weekly digital bell timer
Working voltage can be customized,12VDC,24VDC,48VDC,110VAC,220VAC,380VAC
Wiedely used in School,Factory for bell ringings,and also used in industry,especially connect with pump
Manual override Auto on/off operation
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: The auto bell timer 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 ringing time range:10s(you can program it from 1s-23h59min59s)