Sonachron (DWA-S)

The Sonachron Program Timer from Lathem is ideal for schools and industry.

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.

The Sonachron is user-friendly, with a front-mounted keypad that lets you program the exact minute and weekday(s) of each event.

DWA-S 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.
  

Digital Work Alerter (DWA-H)

        This easy-to-use Work Alerter from Lathem Time is excellent for maintaining schedules in any environment.

The Work Alerter is a single-circuit program timer, capable of holding 32 programmed events. The unit is housed in a rugged metal case along with a built-in horn to signal the beginning and end of work periods.

DWA-H Features

• Large front panel with digital time readout.
  

• Easy-to-use programming keypad.
  

• Tamper-proof, locking metal case.
  

• Holds up to 32 programmed events and accommodates weekend cutout.
  

• Sounding schedule can be changed at any time.
  

• Battery backup saves program schedule for up to three hours.
  

• Unit has built-in horn or can be used to control a remote horn or bell.
  

• Built around a solid state microprocessor.