Loop-Powered AC Voltage Transmitter
Specifications
Basic Accuracy:........................ 0.5%
Thermal Drift:............................ 500 PPM/°C
Operating Temperature:............ 0°C to +60°C
Polution Degree:....................... 2
Installation Catagory:................ CAT II
Response Time: ...................... 250 ms
Insulation Voltage:.................... 2500 Vdc
Altitude:..................................... 2000 meter max.
Calibration:........... Average Sensing, RMS Calibrated
Power Source:.......... Loop Powered
Loop Voltage:........... 24 Vdc
Frequency Range:.... 20Hz - 5 KHz
Typical Load:............. 0 - 300 ? @ 24 Vdc
Compliance Voltage:. 16 to 28 Vdc
MTBF:....................... Greater than 100 K hours
Cleaning:.................. Water-dampened cloth
Relative Humidity:..... 80% for temperatures up to
31°C and decreasing linearly to 50% at 40°C
Connection Drawings
CR4620
One Element 4 - 20 mA DC Output
CR4640 Two Element, 4 - 20 mA DC Output
CR4620 One Element with
External Voltage Transformers * *
CR4640 Two Element with
External Voltage Transformers * *
* * USE CR MAGNETICS LOW AND MEDIUM VOLTAGE
POTENTIAL TRANSFORMERS
Note: The building installation must have a switch or circuit-breaker that is in close proximity and within easy reach
of the operator. The switch or circuit breaker shall be marked as the disconnecting device for the equipment.
Outline Drawing
2.20 (56) for CR4620
2.99 (76) for CR4640
inch (mm)
CR Magnetics, Inc. 544 Axminister Dr. Fenton MO USA 63026 V: 636.343.8518 F: 636.343.5119
Web: http://www.crmagnetics.com
27
E-mail: sales@crmagnetics.com
transducer03a
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