B08_ATCH_1_SALIENTS_S23066_Salients_updated_3_30.pdf

Salient Characteristics S23066

COSMIC RAY NEUTRON SENSOR CONTROL STATIONS AND

COMPONENTS

Salient Characteristics

The system shall consist of four moderated Cosmic Ray Neutron Sensors (CRNS) to add to an existing portable platform and one CRNS Control Station for fixed station monitoring including dataloggers/controllers, satellite communications modem(s), neutron detection sensors, temperature/humidity sensors, solar panels/charge controllers, cables, and accessories.

4 ea. Moderated Sensors for integration onto existing Mobile Platform:

1. Sensor shall consist of a moderated fast Neutron Detector consisting of a neutron proportional counter and digital neutron pulse monitor electronics.

a. Sensor shall be housed in a marine grade, corrosion-resistant, sealed enclosure.

b. Sensor shall be moderated to allow for sensitivity ratio of greater than 4.2 times a standard neutron detector.

c. Shall have a feed-thru waterproof connector rated at IP67 or better.

d. Shall have an RJ45 power and communication connector.

e. Shall be capable of SDI-12, RS232, and communications for device configuration and data transmission.

f. Shall have multi-channel detector function capability.

g. Shall have an integrated digital counter.

h. Shall include an LED indicator for battery level.

i. Shall include handling brackets.

2. Shall include additional polyethene shielding.

a. Shall include a thermoplastic shielding underneath and between each detector that is 2 inches larger than the housing of each moderated sensor

b. Shall include all applicable bracing and rachet cables to secure the system in the bed of a standard, full size truck bed.

1 ea. Control Station and Sensors:

3. Shall include a NEMA rated, steel, enclosure that is no larger than 15 by 15 by 8 inches for housing the data logger/controller, modems, and other components.

a. Shall include hardware for attaching the enclosure to a pole sized from 2 to 3.5 inches in outside diameter.

b. Shall include cable feed-thru’s with cable grips.

4. Shall include a data logger/controller with multiple inputs and outputs for logging and controlling applications.

a. Shall include integrated capability/support for Iridium or other satellite data transmission platforms and two-way communications.

b. Shall be capable of USB, Ethernet, RS-232, and SD1-12 communications.

c. Shall have at least four (4) Analog input/output and Digital input/output ports, and Relay switches.

d. Shall include 2 ea. SD card slots; an internal micro-SD and external removable SD card.

e. Shall include 12VDC/5VDC output capability.

f. Shall be capable of operating on 12 VDC power.

5. Shall include a satellite modem, with antenna, capable of Iridium communications.

6. Shall include a moderated fast Neutron Detection Sensor consisting of a neutron

a. Sensor shall be housed in a marine grade, corrosion-resistant, sealed enclosure.

b. Sensor shall be moderated to allow for sensitivity ratio of greater than 3.1 times a standard neutron detector.

c. Shall have a feed-thru waterproof connector rated at IP67 or better.

d. Shall have an RJ45 power and communication connector.

e. Shall be capable of SDI-12, RS232, and communications for device configuration and data transmission.

f. Shall have multi-channel analyzer function capability.

g. Shall have an integrated digital counter.

h. Shall include an LED indicator.

i. Shall include anodized aluminum mounting brackets.

7. Shall include an unmoderated Thermal Neutron Detection Sensor consisting of a neutron

a. Sensor shall be housed in a corrosion-resistant (aluminum) cylinder, sealed enclosure

b. Shall have a feed-thru waterproof connector rated at IP67 or better.

c. Shall have an RJ45 power and communication connector.

d. Shall be capable of SDI-12, RS232, and communications for device configuration and data transmission.

e. Shall have multi-channel analyzer function capability.

f. Shall have an integrated digital counter.

g. Shall include an LED indicator.

8. Shall include a digital temperature/relative humidity (T/RH) sensor.

a. Sensor shall support SDI-12 communications.

b. Shall be capable of measuring temperature over a range of -40 to 70 degrees C with an accuracy of +/-0.4 degrees C, or better, over the temperature range.

c. Shall be capable of measuring relative humidity over a range of 0 to 100% RH with an accuracy of 1.8% @ 25 degrees C, over the range of 0-80% RH, or better.

d. Shall employ a field replaceable chip/sensing element.

e. Sensor housing shall be rated IP67 or better.

f. Shall include features to minimize dust and dirt on the sensor.

g. Shall be NIST traceable.

h. Shall include 10 radiation plates with louvered design and construction.

i. Plates shall be made of UV stabilized white thermoplastic material.

j. Shall include mounting hardware (u-bolts).

1 ea. Accessories

9. Shall include a 25 to 50W solar panel and compatible solar charge controller.

a. Solar panel shall be rated for 12-24 VDC and peak power 2.6A.

10. Shall include solar panel pole mounting hardware (u-bolts) and be capable of variable azimuthal angle adjustment.

11. Shall include a compatible Charge Controller.

b. Controller shall be solid state, encapsulated, and have marine type terminals.

c. Shall be rated at 12-24 VDC, 10A, and PV 75Vmax.

d. Shall include intelligent battery management features to prevent damage caused by running batteries “flat”.

e. Shall be capable of monitoring the state of charge of the battery and daily increase the load disconnect level until the collected solar energy is sufficient to recharge the battery to nearly the full 100% and then modulated the load disconnect level so that a nearly 100% recharge is achieved at least once a week.

12. System shall include all needed accessories including, but not limited to:

f. antenna cables, battery cables

g. CAT5e patch cables,

h. RJ45 splitters,

i. RJ45 to 8 screw terminal adapters.

j. DIN Rails,

k. Waterproof plugs.

1 ea. Satellite Data Services and Support

13. Shall include 1-year of services to support satellite (Iridium) data transmissions.

l. Shall support hourly data transmissions.

m. Shall provide at least 12k bytes per month.

14. Shall include free technical support.

Warranty

15. Shall provide warranty coverage on all system components for at least 18 months.