Specifications
Table B-4. Inputs and Outputs
Inputs
– Three 4–20 mA inputs, full scale ± 0.3% over operating
temperature range; fault high/low detection
– Two 0 to 10 VDC voltage inputs, full scale ± 0.3% over operating
temperature range
– Two digital inputs (DI) provide contact input with internal +5 VDC
wetting voltage
– Temperature compensation circuitry with 100-ohm Platinum RTD,
3- or 4-wire; full scale ± 0.4ºC over operating temperature
Current outputs
– 4–20 mA output, full scale ± 0.3% over operating temperature
range
• Isolated, loop-powered (default)
• Isolated, self-powered output
– Optional Intrinsically Safe Input/Output 4–20 mA output, full
scale ± 0.3% over operating temperature range temperature
range
• Isolated, loop-powered (default)
• Isolated, self-powered output
Contact closure (relay) outputs
Two relays, DPDT-fully sealed 8 A at 250 VAC
Serial outputs – RS485 half duplex
– RS232 full duplex
–
gauge is available from the
website. The DD is a DD4 or
DD5, interpreted by a host implementing DD
Services 4.x or 5
.x.
–
–
Table B-5. Mounting Hardware
Gamma Ray Source Integral bolt-on bracket; compatible with chain or saddle mount
Integrated detector-transmitter
– Pipe saddle mount, 2 to 42 in (50.8 to 1,066.8 mm)
– Pipe saddle with tabs for mounting on insulated pipes
– Axial mount hardware for Z-pipe installations, 1 to 4 in (25.4 to
101.6 mm)
Table B-6. Programming Options
Fieldbus host, such as National
Instruments™ NI-FBUS Configurator
Provides the interface between the DensityPRO NAI gauge and other
devices on a F
OUNDATION™ fieldbus network
Emerson Electric Co. field
communicator, Models 275 and
newer
– Configures and calibrates any DensityPRO NAI gauge by
communicating with the gauge via the current loop
– BEL202FSK-standard
Comm PC interface software EZ Cal II
Thermo Scientific DensityPRO Installation Manual B-5
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