Performance Specifications
Accuracy Maximum accuracy of ±0.0001 g/cc. Dependent upon field calibration, reference data, and system configuration
Repeatability ±0.0015 g/cc (99% confidence) typical conditions
Stability Drift less than ±0.05% of radiation change over 6 months
Resolution Analog output 16-bit Internal instrumental IEEE754 floating point
Magnetic Field Effect No effect on output when tested to IEC 770 para. 6.2.9
Ambient Temperature Field ±0.009% of radiation change per °C; ±0.006% of radiation change per °C for 3680XB designated
transmitters
Surface Radiation Maximum surface radiation (with no additional fielding) of 0.75 mR/hr for:
Pipe sizes 250 mm (10 in) and 300 mm (12 in) with a 100 mCi source
Pipe sizes 200 mm (8 in) and smaller with a 50 mCi source
(Source sizes may vary from those shown)
EM/RFI Effect No effect on output when tested to:
IEC 801-2 level 3 air discharge ESD
IEC 801-3 RFI from 10-1000 MHz and field strength up to 30 V/M
Power Supply Effect No effect on operation over specified power supply ranges
Functional Specifications
Detector/Electronics Power Supply: All voltages from 90 to 250 VAC 50/60 Hz and/or 18 to 36 VDC.
Unit automatically switches to DC backup (if available) with no loss of signal
Power Consumption: 15 watts maximum
Operating Temperature Limits -20°C to +50°C (-4°F to +122°F)
Storage Temperature Limits -30°C to +65°C (-22°F to +149°F)
Input for Temperature RTD three-wire 100 ohm temperature sensor and 4-20 mA temperature
transmitter inputs.
Compensation (optional) Internal 24 VDC source is available to power the temperature
transmitter
Output Signals 4-20 mA, internally powered, up to 500 ohm load
RS 423 or Bell 202 interface with HART® protocol
Digital signal superimposed on 4-20 mA signal using HART® protocol, available for control system interface
Digital signal available via intrinsically safe connection for HART® Communicator
Source Decay Compensation Selectable Cs-137, Co-60, or Am-241
Linearization Logarithmic and multipoint characterization
Analog Output Adjustment Engineering units and range values user-select-ed. All analog trim and adjustments made through software commands
Adjustable Damping Adjusts between 0.5 seconds and 600 seconds in 0.5 second increments
Adaptive Damping Optionally selectable On or Off with 0.5 to 30 second time constant adjustable in 0.5-second increments.
Activation threshold adjustable from 0-100% of span
Physical Specification
Electrical Connections Five 1/2-NPT conduit connections (PG 13.5 (PG11) and CM20 conduit with adapter). Barrier terminal strips accept
#12 AWG and smaller wiring or 0.312 inch wide spade tags. HART® Communicator interface connects directly
into 4-20 mA loop and/or intrinsically safe connection behind removable cover.
Materials of Construction Housing: Low copper aluminum alloy
Paint: Epoxy-polyester
Case Seals: ‘O’ Rings and gaskets are Nitrile (Buna-N) rubber
Weight, Detector/Electronics 22 kg (55 lb)
Certifications
Factory Mutual FM Approved Class I, Division 1, Groups B, C, & D
Class II, Division 1 & 2, Groups E, F, & G
Class III, Division 1 & 2
AIS, NEMA 4X
Canadian Standards Association Class I, Division 1, Groups B, C, & D
(CSA) Certified Class II, Division 1 & 2, Groups E, F, & G
Class III, Divisions 1 & 2
[Exia], Enclosure 3
Specifications
CutPRO Nuclear Density Detector / Transmitter
