Reliable Power Level Monitoring and Control for Nuclear Power Plants
Is it time to modernize your aged or obsolete nuclear instrumentation systems to support life extension?
Are your current systems unreliable and noisy, resulting in extended outages to troubleshoot and repair or replace failures?
The Paragon CoreVision Neutron Flux Monitoring System is a complete line of neutron flux monitoring system products to help nuclear power plants solve these problems.
Source Range Neutron Monitor
Inputs
Ratings
AC Input Power
230 or 120 VAC, Single Phase, ±10%, 50/60 Hz, <150 VA
OR
DC Input Power
125 VDC, ±10%, < 150 Watts
Preamplifier Input Impedance
50Ω typical, other values available upon request
Detector Input Connectors
SHV typical, other input connection types upon request
Used during reactor start-up and post-accident monitoring (PAM) utilizing an ion chamber such as a BF3, B-10, He3, or fission chamber.
The unit features a selectable internal test function generator and multiple trip functions for each flux measurement output.
The unit also features two multi-digit displays and two vertical bar graphs for easy identification of displayed variables.
Displays and operator controls are designed to comply with NUREG-0700.
Wide Range Neutron Monitor
Inputs
Ratings
AC Input Power
230 or 120 VAC, Single Phase, ±10%, 50/60 Hz, <150 VA
OR
DC Input Power
125 VDC, ±10%, < 150 Watts
Preamplifier Input Impedance
50Ω typical, other values available upon request
Detector Input Connectors
HN typical, other input connection types upon request
Remote Gain* (Flux to Thermal Matching)
Fiber Optic Interface
*With use of Remote Gain Pendant
Outputs
Ratings
Accuracy
Pulse Level
5 VDC TTL, 0 to 106 CPS
±1% Full Scale
Log Count Rate Level
0 to 10 VDC or 4 to 20 mA, 0.1 to 1E+6 CPS
±2% Full Scale
LCR Rate (Doubling Time)
0 to 10 VDC or 4 to 20 mA, -30 … ∞ … 3 seconds
±1% Full Scale
Wide Range Log
0 to 10 VDC or 4 to 20 mA, 10-8 to 200% Power
±1% Full Scale
Wide Range Rate (Doubling Time)
0 to 10 VDC or 4 to 20 mA, -30 … ∞ … 3 seconds
1% Full Scale
Linear Power
0 to 10 VDC or 4 to 20 mA, 0 to 200% Power
1% Full Scale
Ion Chamber High Voltage
100 to 1500 VDC, 10 W Max
5% Full Scale
Front Panel Isolated BNC Multiple Signal
Selections
0 to 10 VDC
1% Full Scale
LCR Level Trip 1*
Form C Relay, 125VDC / 100mA Max
LCR Level Trip 2*
LCR Rate Trip 1*
LCR Rate Trip 2*
WR Level Trip 1*
WR Level Trip 2*
WR Rate Trip 1*
WR Rate Trip 2*
PR Level Trip 1*
PR Level Trip 2*
Channel-In-Test
Non-Op
Door Open
*Increasing or decreasing slope selectable.
Enclosure
Specification
Size (L x W x H)
24″ x 16″ x 10″ (61 cm x 41 cm x 26 cm)
Weight
50 lbs (23 kg)
Material
Stainless Steel
Mounting
Wall Mount (4 Tabs)
Security
Locking Door
Temperature Range
32°F to 140°F (0°C to +60°C)
Relative Humidity
10% to 95%, non-condensing
Qualification
Safety Class 1E
Fully Analog Electronics Safety Class 1E
Displays and operator controls are designed to comply with NUREG-0700.
Qualified for normal reactor operating conditions and post-accident monitoring (PAM), utilizing a guarded fission chamber (GFC).
The unit features a selectableinternal test function generator,a fiber optically interfacedremote gain input, and multipletrip functions for each fluxmeasurement output.
The unit also features twomulti-digit displays and fivevertical bar graphs for easyidentification of displayed variables.
