School Bell Timer SBELL 8012 Audio Output Micro Controls

Features :

Very simple to Install, and User Friendly Programming

16 x 2  character, wide angle, alphanumeric backlit lcd display panel,     

Weekly programmable alarm (bell) setpoints.

30 user programmable holidays (bell will not ring on these holidays)

Manual push button  to ring bell  in case of emergencies.

Silent mode key for Vacations & Unscheduled holidays. ( no bell ringing during Silent mode)

Stand alone unit ? No computer needed to operate.

Can Operate on Inverter (Sine Wave Inverter preferred)

3 Operating Modes : Summer ( 45 Alarms), Winter ( 45 Alarms)  &  Exam (25 Alarms) (Total 115 setpoints per week) .

Automatic Amplifier ON/OFF Control Relay Output provided.  

(No need to keep Amplifier permanently ON.  )

(Amplifier will turn ON 1 minute before scheduled alarm and switch OFF after alarm is over)

Audio module with SD card facility provided for playing wave/mp3 bell sound files 

User selectable sound file for Manual Mode ringing purposes.

Library of Audio sounds (combination of mp3 and wav format files) provided in SD card.

( Audio output for PA system) including Memory Micro SD card (4 GB) with Sound File Library) 

Product Operation and Installation videos on Youtube :

SBELL 8012 +Ahuja Amplifier+ Horn Speaker demo video link https://youtu.be/d-3LSS4G8FQ

SBELL 8012 operation video link   https://youtu.be/Q_WETNgq2Eo      

            SBELL 8012 demo video link : https://youtu.be/UHlh9abaTLs

Technical Specifications : 

Display : 16 x 2 backlit LCD display panel.

Keyboard : 5 x 1 Tactile keyboard

Output : Relay 15 Amps@ 240 VAC, resistive load.  Used for Electric Bell in SBELL 8011, 

                     and used for Amplifier Control in SBELL 8012.

Time Base : TCXO based RTC ( Real Time Chip) for very high timing  accuracy.

Memory Backup :  Batteryless memory, Life span ? 30 years.

Real time backup : Lithium Cell CR2032 (for Time keeping only)

Manual Operation : Through push button on front panel.

Temperature : Operating  0 ? 50 deg C.  Storage : 70 deg C

Enclosure & Mounting  : Metallic, Wall Mounting.

Dimensions : 125(H) x 130(W) x 70(D) mm ( Can change for newer designs)

Input Supply :           230/240 VAC, 50 Hz.