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Wireless AC Current Sensor PST-AC1
Brand: Predictive Sensor TechnologyPST AC current Sensor is a cost-effective way to accurately measure and track AC current load of a piece of equipment.
The load information is then transmitted wirelessly, stored in a database, and viewed with iStatus Reporting software.
The sensor has 3 switch selectable current ranges: 30,60 or 120 amps. This sensor is ideal for energy auditing applications.
Features- The Wireless 4-20 mA Sensor Transmitter uses two AA batteries with an approximate two-year battery life.
- These 900 MHz transmitter radios use the license-free 902-928 MHz ISM band.
- Before each transmission, the radio checks for a clear channel before it sends the sensor data.
- If the channel is busy, it waits until it finds an opening; then transmits the data.
- This clear channel assessment approach allows the system to function efficiently in noisy areas or heavy RF traffic areas without disrupting other communications.
- Data is typically transmitted once every 12 seconds to optimize battery life and minimize RF traffic.
- This data rate is more than sufficient for condition monitoring applications, but custom update rates are available from the factory if the 12-second rate does not meet the needs of your application.
- The transmitter range will vary depending on the location. Typical industrial environments are not ideal for RF reception; it is best to evaluate the site with a transmitter and software to find the ideal locations for transmitters and receivers.
Specifications
Temperature Range
- -15° C to 60° C (5° F to 140° F)
Current Range
- 30, 60 or 120 Amps user selectable
Measurable Current Range
- 0 to 120 Amps
Resolution
- .04 Amps
Hysteresis
- 10%
Batteries
- 2 “AA “ 1.5 volt cells
Radio Frequency
- 902 to 928 digitally modulated spread spectrum radio