Call or send email for more information and pricing.
Distributors and OEM orders welcome. We make clocks and displays to your specifications.
KERA Technologies Inc.
Jumbo LED Digital Clocks with REMOTE CONTROL
SELENA Clock with Programmable Multi Event Timer ( Option # 718B )
The timer program is retained in the internal, non-volatile memory and will remain intact even without power.
DIGITAL THERMOSTATS and TIMERS for SAUNA, SPA, POOLS and STEAM BATH (with remote probes)
DIGITAL THERMOSTATS (with remote probes)
HOME THERMOSTATS for HVAC and WATER HEATER with remote probes
TALKING THERMOSTATS for Visually Impaired and for convenience
DIGITAL DIFFERENTIAL THERMOSTATS for SOLAR HEATING and VENTILATION (with remote probes)
DIGITAL TIMERS for all uses including Motor/Pump cycling for Aquarium, Stoves, Heaters etc...
Each Event Start Time is preset with 1 minute resolution.
When the event time comes, the actions below may be performed:
A) The Internal Buzzer to be activated, if enabled.
B) One internal SPDT Relay to be activated, if option # 727 installed and enabled.
C) Second internal SPDT Relay to be activated, if option # 727X2 installed and enabled.
1) Event Start Time
Option # 727 and # 727X2: One or Two: Internal SPDT relay contacts
for switching of external loads like buzzer, horn, siren, light or other.
A terminal block on the back panel for wiring to the internal relay contacts. Load up to 10 Amp, 250Vac.
SELENA clocks can be set as a Programmable Multi-Event Timer with up to 32 events per day,
with different program for each day of the week and repeated weekly.
Toll Free: 1-866-829-4253
All programming is done via the Hand Held Remote Control ( included with all SELENA clocks ).
Each Event is programmed separately with the following parameters :
The Mutli-Event Timer operates in the background and the Clock Time, Date, Weekday, Month and Year can be still displayed in any mode, as set-up by the user. The clock can be synchronized to any compatible Master clock or it can be set-up as the Master for other Slave clocks.
2) Event Duration
Each Event Duration is preset with 1 second resolution up to 58 seconds or it can be set
as "permanent" that will make it last until the next event.
During the programmed period of the "Duration", either one or both of the Internal Buzzer
and/or the Internal SPDT Relay may be activated, if enabled.
NOTE: The internal relays may be used to control external loads, like Horns, Buzzers, Lights or machinery.
This Mutli-Event Timer is perfect for control of the Bells, Horns or Buzzers in Schools to signal the class and recess times or in Factories to signal the work shift and breaks start and end times.
3) Event Options
Each Event may be programmed to perform additonal functions if required:
1) Display the Count-Down Timer between the current and the next event in Minutes: Seconds or Hrs:Min:Sec
2) Display the Count-UP Timer between the current and the next event in Minutes: Seconds or Hrs:Min:Sec
3) Activate the Second Internal SPDT Relay for the duration of the Count UP or DOWN between the events
NOTE: The display will automaticaly return to the clock time display after the UP / DOWN timer expires.
Toll Free: 1-866-829-4253