Operating Manual

Accu-Wave Appendix B Specifications
TN Technologies B-1
Appendix B Specifications
Operating Principle
Frequency modulated continuous wave (FMCW)
radar signal which measures distance;
microprocessor based transmitter computes level,
volume and nine other measurements.
Range
Up to 115 ft. (35 m.)
Reference Accuracy
±3 mm (1/8 in.)
Repeatability
±3 mm (1/8 in.)
Input Power
24 Vdc ±25%, 12 W
Serial Outputs & Inputs
RS-485 (Standard): Half duplex partyline
communication to a host computer or hand-held
terminal.
RS-232 (Optional): Full duplex communication with
a remote terminal, printer, PC or host computer.
Current Output
4 to 20 mA, isolated, loop-powered (24 Vdc).
Maximum load – 700 ohms. Compliant with
NAMUR 43 specification for fault current.
Contact Closure Input
1 contact closure input provided. (User provides
switch.)
Circuit Protection
Meets IEC 801-1,-2, and –3
Current output is isolated.
Microwave Emissions
In compliance with ANSI C95.1, “RF Field
Exposure Safety Guidelines”
Dimensions
Refer to Dimensional Drawings
Rod Antenna: D868217
Horn Antenna: TBD
Weight
Rod Antenna: ~15 lbs.
Horn Antenna: TBD.
Temperature Range (Electronics)
-40
o
C to +70
o
C (-40
o
F to +158
o
F)
Pressure
Rod Antenna
PP 600 psig. max.
PTFE 300 psig. max.
Exposed Materials (Process)
Rod Antenna
SS316 and Polypropylene, or
SS316, PTFE, and O-ring material.
Horn Antenna
TBD
Mounting
Rod Antenna
1 inch NPT bushing, or
Welded flange (150/300 lb.; 2, 3, 4, 6 inch )
Horn Antenna
TBD
Hazardous Location Approvals
FM
Class I, II, III, Division 1, Groups B, C, D, E, F, G
Class I, II, III, Division 2, Groups B, C, D, F, G
NEMA 4X
CSA
Class I, II, III, Division 1, Groups B, C, D, E, F, G
Class I, II, III, Division 2, Groups B, C, D, E, F, G
TYPE 4X
CENELEC
EEx d IIB + H
2
Eex n IIB + H
2