Pick the Right Bell or Buzzer
Some of the many different types of bells, and various ways of controlling them are suggested in the table below. Just remember that no matter what the job or conditions, you can probably find a bell or buzzer and controls that suit your need.
| SOME TYPICAL JOBS FOR BELLS & BUZZERS | ||||
|---|---|---|---|---|
| Job | Type of bell or buzzer | Number and location of bells and buzzers | Type of control | Number and location of controls |
| Summon others to the telephone | In the house— small to medium buzzers In outbuildings— medium to large bells Outdoors— large weatherproof bell All transformer-powered | Enough to cover all usual work locations | Push-buttons | One at the telephone and each extension phone |
| Notify club member that car is at his produce stand | Medium to large bell— transformer-powered | One may be enough—if mounted on the back of the stand | Hose diaphragm (Complete driveway units including control, are available, ready to plug in.) | One—in the driveway |
| Warn of power failure to incubator or brooder | Battery-powered buzzer, medium size | One near the poultryman's bedroom | Relay, held open as long as power is on, closed by spring if interruption occurs | One, at main switch of hatchery or brooder house |
| Warn of dangerously warm temperature in freezer | Battery-powered buzzer, medium size | One, in or near the kitchen | Temperature detector (sensitive thermostat) | One, with bulb inside freezer |