210-EC Series Frost Alarms 
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These low cost instruments monitor temperature and sound an alarm when temperature falls to the setpoint. Models 210-EC1 and 210-EC2 both have a temperature meter with a monitor scale range of 10° to 110° F. The 210-EC1 has an alarm setpoint range of 25° to 35° F. The 210-EC2 (shown) has an alarm setpoint range of 30° to 40° F.
The Model 210-EC1C has a temperature meter with a monitor scale range of -10° to +40° C and an alarm setpoint range of -4° to +2° C.
All three models include a sensor probe with 1' cable, which may be wired up to a mile from the frost alarm using ordinary 20 AWG or larger copper cable or telephone type wire.
The frost alarms come with a plug-in transformer that operates from 110 Vac/60 Hz. A separate 12 Vdc power input is also provided so the unit may be connected to a 12 volt backup battery to allow the system to remain operational in the event of power failure.
Specifications
Accuracy: ± 2%
Alarm setpoint range:
210-EC1 25° to 35° F
210-EC2 30° to 40° F
210-EC1C -4° to +2° C
210-EC99 10° to 110° F
Alarm buzzer: 75 dB at 2 feet
Size: 6-1/4" x 3-3/4" x 2" deep
Weight: 1 lb 10 oz
Ordering Information
210-EC1 Frost Alarm 25/35F
Discontinued
210-EC1C Frost Alarm -4/+2C
Discontinued
210-EC2 Frost Alarm 30/40F
Discontinued
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Temperature & Humidity Sensors
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