Sonachron Program Timer from Lathem is ideal for schools
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.
Sonachron is user-friendly, with a front-mounted
keypad that lets you program the exact minute and
weekday(s) of each event.
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
keypad allows easy programming and changes to
schedule for operating the internal 10-amp dry
weekly schedule can have up to 1,440 events. Each
event includes the day(s) of the week and the
duration can be set from 1 to 99 seconds.
desired, a 4-digit security code entry can be
required by keypad for preventing unauthorized
internal battery retains memory and timekeeping
during power failures lasting up to 7 days.
Sonachron can be connected to an Omni:Chron
time recorder in order to synchronized the bells
to the Omni:Chron.
area for details of bells and horns from Lathem