Electronic Temperature Monitor
ECN-27644 11 July 7, 2010
FUNCTIONAL SPECIFICATIONS
Performance:
Input Power: 120/240 VAC, ±15%, 50/60 Hz or 230 VAC, ±10%, 50/60 Hz
277 VAC, +8%, -15%, 50/60 Hz (optional)
Measurement
Range:
0°C - 250°C
Display
Resolution:
1°C increments
Accuracy: ±2°C ±one count under normal conditions.
±5°C ±one count under extreme conditions.
Extreme Conditions are: Ambient temperature colder than –10°C, or
thermocouple temperature – unit temperature >210°C.
Memory
Retention:
40 years (with power off)
Contact Ratings
Fans:
Alarm & Trip:
Volts Resistive Horsepower
120 VAC 30 amps 1 Hp
240 VAC 30 amps 2 Hp
120 VAC 10 amps - - - - - - -
240 VAC 8 amps - - - - - - -
Remote Output
Current Loop:
0 to 1 mA = into 10,000Ω max. load
4 to 20 mA = into 500 Ω max. load
Accuracy ±1% of full scale reading.
Fan Exerciser: Fan Run Time – 1 to 120 minutes.
Fan Cycle Time – 0.01 to 30.0 days.
Time starts at power up.
Environment:
Operating
Temperature:
-30°C to +72°C
Storage
Temperature:
-50°C to +72°C
Relative
Humidity:
10% to 90% non-condensing
Hi-pot: 1500 VAC 50/60 Hz for 1 minute, relay contacts and power input to
all other terminals and earth ground.
Vibration: 50/180 Hz @ .004 inch displacement.
Shock: 10 G’s in 3 orthogonal planes.
Transient Suppression per ANSI 37.90a-1989 oscillatory waveform test.
This device is protected against Radio Frequency Interference.
Mechanical:
(Panel Mount
Unit)
Front Panel: 6.5” [165.1mm] Wide x 9.1” [231.1mm] High.
Graphic overlay UV resistant for outdoor use.
Mounting: Panel mount thru 5.4” [137.2mm] Wide x 8.0” [203.2mm] High
cutout.
Depth: 3.2” [81.3mm]
Weight: 3 lbs.
Terminals: Screw terminal; maximum 12 gage wire
Courtesy of NationalSwitchgear.com
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