Specifications
Table B-3. DensityPRO Measurement Systems
System architecture
– 32-bit, 60 MHz microcomputer
– Real-time clock (RTC)
– Lithium backup battery; voltage monitor for the RTC and SRAM
circuits allows for configuration retention in the event of a power
failure
– Local I/O, consisting of:
• Four analog (two current + two voltage) inputs
• One 100-ohm Pt RTD input
• Two digital outputs (DO)
• Two digital inputs (DI)
• Two relay outputs
• One local serial communication port
• One RS232/RS485 host serial communication port
• One +15 V, 100 mA power supply output
• One isolated 24 V output supporting two 4–20 mA loops
• One 10/100BASE-T Ethernet communication port with ESD
protection
• One USB port
– Optional I/O, consisting of:
• Two isolated 24 V outputs supporting two 4–20 mA loops
• Two 4–20 mA loop outputs
Detection type
PVT scintillator with wide dynamic range; resists shock and moisture
damage
Detector stabilization
Electronic control without heater stabilization for optimum
performance over operating temperature range (patent pending)
Detector enclosure construction – Carbon steel or 316 stainless steel; polyurethane-painted
– Optional water-cooled detector for high temperature applications
Transmitter enclosure
construction
– Stainless steel enclosure
• Nema 4X and IP66
• 20-pushbutton keypad
• 8-line monochrome LCD
B-2 DensityPRO Installation Manual Thermo Scientific
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