Premier manufacturer’s of AC & DC current, voltage, power and frequency transducers since 1965. American Aerospace Controls is a company dedicated exclusively to the design and manufacture of electrical transducers for high reliability defense, aerospace and space flight applications. Our unique in-house testing for manufacturing and development meets Space Flight, Mil Grade, EMI Standards and DO-160 for reliability. The inherent quality levels of our manufacturing in compliance with ISO 9001 and AS9100 provides rail transit, commercial and industrial markets with standard catalog products produced in a high reliability environment. These markets benefit from customized products to meet specific needs that are not readily available.
Feature Product:
DC Current Transducer: Series 920/921
Output: 4-20mA
(2-Wire, loop power)
Closed-Loop Technology
Superior Accuracy and Stability
Over Wide Temperature Range
Automating & updating measurement and control functions in existing systems.
Local & remote station power & battery back-up current monitoring.
Field service, maintenance & trouble shooting DC systems.
DC current sensing in laboratory experiments and special projects.
Specification:
INPUT Accuracy
P/N: 920-50 0 to +50Adc 1.25%FS See
P/N: 920-75 0 to +75Adc 1.0%FS Note
P/N: 920-100 0 to +100Adc 1.0%FS (1)
P/N: 920-125 0 to +125Adc 1.0%FS
Continuous Overload………………±5000Adc
OUTPUT
Current Signal………………………..4 to 20mAdc
Current Signal @ Overload………24mAdc (typical)
Accuracy (Over –40 to +85°C)….See above table & Note (1)
Response Time (10 to 90%)…….10milli-seconds
Load Resistance…………………….250? nominal (0 to 300?)
Protection………………………………Reverse Polarity Protected
POWER SUPPLY
Supply Voltage……………………….+24Vdc (+18 to +28Vdc)
Current Drain………………………….4 to 24mAdc
Voltage Transient……………………±40V T< 5mS
ENVIRONMENTAL & PHYSICAL
Operating Temperature……………-40 to +85°C
Storage Temperature………………-45 to +85°C
Isolation (Input to Output)………..2kV rms @ 60Hz / 1min
Insulation Resistance………………500M? @ 500Vdc
Molded Plastic Case……………….UL Flammability rating 94V-O
Weight…………………………………..14 oz max
Finish (Blue Texture)……………….Panatone No. 294C
Note (1): Accuracy includes combined worst-case effects of: zero offset; temperature; hysteresis; supply swings and current cable position.
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