automatic electronic bell timer for school
1.ringing 80 times
2.1s~23h&59min&59s
3.wall mounting
4.battery replaceable;CE
Port: shanghai,ningbo,shenzhen
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Week more
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Contact Supplier
1 year quality warranty
The working voltage can be customized:12vdc,24vdc,48vdc,220VAC,110VAC,380VAC
The inner battery is for keeping memory and lcd display,it will last about 1year
universal AAA dry battery,replaceable
it can connect with 1-6 bell according to the bell power
automatic classroom timer for school
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”.
SYSTEM COMPARATIVE
There are various kinds of bell timer in our company for your selection
The comparative parameter list and picture for your selection
Bell timer | ||||
Model | ZYT05 | ZYT08 | ZYT22 | ZYT22-AD |
Working voltage | AC220V/50Hz or customized | AC220V/50Hz and DC12V | ||
Programmable Number | 20 ON(Double Ring) | 80 ON | 80 ON | 80 ON |
Ring Time Length | 1-99s | 1s-23h59m59s | 1s-23h59m59s | 1s-23h59m59s |
Switch Capacity | 25A | 25A | Resistive 2A | Resistive 2A |
Consumed Power | under 5W | under 5W | under 5W | under 5W |
Timing error | less than 2s/day | less than 30s/year(with automatic error adjustment) | less than 30s/year(with automatic error adjustment) | less than 30s/year(with automatic error adjustment) |
Battery | Replaceable AAA | |||
Operating Temp. | -10°C~+50°C | -10°C~+50°C | -10°C~+50°C | -10°C~+50°C |
Size | 126×88×51mm | 126×88×51mm | 195×175×85mm | 195×175×85mm |
Weight | 430g | 430g | 510g | 550g |
Installation | Wall hanging | Wall mounting | place | place |
Approve | CQC,CE | CQC,CE | CQC,CE |