The Sonachron Program Timer from Lathem is ideal for schools and industry.
The Sonachron is user-friendly, with a front-mounted keypad that lets you
program the exact minute and weekday(s) of each event.
The Sonachron is a dual-purpose, single circuit program timer, ideal for
signaling horns and bells or for controlling the On/Off status of electrical
devices such as HVAC or appliances.
Features
An optional dip switch can be set for operating the unit as a control
device. As a control device, the relay latches On or Off according to your
schedule.
A keypad allows easy programming and changes to schedule for operating the
internal 10-amp dry contact relay.
The weekly schedule can have up to 1,440 events. Each event includes the
day(s) of the week and the time.
Signal duration can be set from 1 to 99 seconds.
If desired, a 4-digit security code entry can be required by keypad for
preventing unauthorized tampering.
An internal battery retains memory and timekeeping during power failures
lasting up to 7 days.
The Sonachron can be connected to an Omni:Chron time recorder in order to
synchronize the bells to the Omni:Chron.