Gravimeter BGM-3

Summary

Type	Gravimeter
Vendor	Bell Aerospace
Model	unknown
S/N	S222
ID Prefix	gravim
CORIOLIX ID	gravim000222
Class	Other
Location
Condition
Configuration
Native Sample Rate	1.0 Hz
UDP Port(s)	53108 None
Enabled	False

Image Not Available

General Description

The BGM-3 system consists of a forced feedback accelerometer mounted on a gyro-stabilized platform.

Data Collection Specs

Native Data Feed

Signal Type

Digital

Communication Type

RS-232

Serial Details

Baud Rate	9600
Parity	N
Stop Bits	1
Byte Size	8
Timeout (s)	None
Polled Serial Commands

Ethernet Details

MAC Address
IP Address	10.3.0.108
Protocol	udp

Source File Details

Path
Filename

Native Data Format

Native Data Description

Example Data Line: gravim000222 grav_bgm3_222 2022-11-06T00:00:00.6131Z 04:025409 00 ***** Field Descriptions: Coriolix Sensor ID, LDS Logger ID, LDS Time Stamp [UTC], Interface_Counter_period:Raw_Counts, Status, 00 = data valid, 01 = platform not valid(e.g. gyro), 02 = sensor not valid, 03 = both platform and sensor not valid

Native Data Type

text

Start of Message Characters

End of Message Characters

Sample Data Message

04:025409 00

Message Parser Format

['^(?P<interface_counter_period>\d+)\W(?P<raw_counts>\d+)\s+(?P<status>\d+)$']

Data Processing

Data Processing Script

NoTransformation

Data Rates

Native Sample Rate

1.0 Hz

Shipboard Network Packet Rate

1.0 Hz

Ship to Shore Rate

None Hz

Data Storage & Access

Raw Data Ethernet Distribution

IP Address	10.3.0.255
Port	53108
Packet Size	None

Transformed Data Ethernet Distribution

IP Address
Port	None

Archive to Database

False

Transmit Real-time Data to Shore

False

Time Source

Source

local_time_server

Parameters

Quantity
Plot Color
Parameter Full Name
Parameter Short Name
Parameter Standard Name
SAMOS Data Category
Description
Processing Status
Processing Symbol
Diagnostic
IOOS Category
Units
Data Type
Gross Minimum Value
Gross Maximum Value
Recommended Minimum Value
Recommended Maximum Value
Global Minimum Value
Global Maximum Value
Local Minimum Value
Local Maximum Value
Lower Detection Limit
Saturated Value
Bad Data Value
Resolution
Accuracy
Precision
Binning Type
Online Display Format
Logging Modes

Physical Sensor Specs

Operating Limits
Input Power	None - None V AC
Ideal Power	None V AC
Operating Current	None - None mA @ None V AC
Analog Output	None - None
Operating Flow Rate	None - None ml s-1
Ideal Flow Rate	None ml s-1
Operating Depth	None - None m
Operating Temperature	None - None degree_C
Lamp Life	None days
Response Time	None seconds
Additional Time Offset	None seconds
Physical Status
Current Location	no longer in possession
Current Status
Physical Condition
Physical Configuration
Software Version
Software Configuration
Data Acquisition Device ID
Data Acquisition Device Serial Port
Data Acquisition Device Analog/Digital Port(s)
Data Acquisition Device Modbus Unit	None
Sensor Use Level
Enabled	False
Vessel Installation Location
Vessel	Sikuliaq
Vessel Location
Location Coordinates (meters)
Sensor Orientation
Height Above Waterline (meters)	None
Zero Line Reference (degrees from bow)	None
Receives Filtered Water	False

Maintenance & Support

Sensor Log

Date (UTC)	Submitter	Event Type	Details
Feb 12 2024 21:40:38	Nahorniak, Jasmine	sensor specs update	vessel changed from [] to [Sikuliaq]
Feb 12 2024 21:40:38	Nahorniak, Jasmine	sensor specs update	processing_script changed from [] to [NoTransformation]
Feb 12 2024 21:40:38	Nahorniak, Jasmine	sensor specs update	model changed from [] to [unknown]
Feb 12 2024 21:40:38	Nahorniak, Jasmine	sensor specs update	sensor_prefix changed from [] to [gravim]
Dec 16 2023 21:35:00	Naber, Daniel	decommission	The sensor was removed around Nov. 22, 2023 and delivered to Bernie Coakley/UAF Geophysical Institute in January, 2024.
Dec 16 2023 21:31:17	Naber, Daniel	sensor specs update	archive_native changed from [True] to [False]
Dec 16 2023 21:31:17	Naber, Daniel	sensor specs update	use_level changed from [primary] to []
Dec 16 2023 21:31:17	Naber, Daniel	sensor specs update	location_text changed from [Tech Shop] to []
Dec 16 2023 21:31:17	Naber, Daniel	sensor specs update	vessel changed from [Sikuliaq] to []
Dec 16 2023 21:31:17	Naber, Daniel	sensor specs update	enabled changed from [True] to [False]
Dec 16 2023 21:31:17	Naber, Daniel	sensor specs update	condition changed from [poor] to []
Dec 16 2023 21:31:17	Naber, Daniel	sensor specs update	current_status changed from [in use] to []
Dec 16 2023 21:31:16	Naber, Daniel	sensor specs update	current_location changed from [installed] to [no longer in possession]
Dec 16 2023 21:31:00	Naber, Daniel	decommission	The sensor was removed around Nov. 22, 2023 and delivered to Bernie Coakley/UAF Geophysical Institute in January, 2024.
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	native_data_description changed from [Example Data Line: ... and sensor not valid] to [Example Data Line: ... and sensor not valid]
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	sensor_ip changed from [] to [10.3.0.108]
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	serial_bytesize changed from [] to [8]
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	serial_stop_bits changed from [] to [1]
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	serial_parity changed from [] to [N]
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	serial_baud_rate changed from [] to [9600]
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	comm_type changed from [] to [RS-232]
Mar 09 2023 00:48:40	Naber, Daniel	sensor specs update	signal_type changed from [Analog] to [Digital]
Mar 07 2023 02:18:43	Naber, Daniel	sensor specs update	sample_data_message changed from [grav_bgm3_222 2022-1 ... 0.6131Z 04:025409 00] to [04:025409 00]
Mar 07 2023 02:18:43	Naber, Daniel	sensor specs update	native_data_description changed from [Field Descriptions: ... and sensor not valid] to [Example Data Line: ... and sensor not valid]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	packet_rate_hz changed from [None] to [1.0]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	transmit_ip changed from [10.5.0.255] to [10.3.0.255]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	time_source changed from [vessel_time_server] to [local_time_server]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	use_level changed from [] to [primary]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	sample_data_message changed from [] to [grav_bgm3_222 2022-1 ... 0.6131Z 04:025409 00]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	native_type changed from [] to [text]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	native_data_description changed from [] to [Field Descriptions: ... and sensor not valid]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	sample_rate_hz changed from [None] to [1.0]
Mar 07 2023 02:04:53	Naber, Daniel	sensor specs update	sensor_ethernet_protocol changed from [] to [udp]
Jan 09 2023 17:18:15	Greto, Carmen	new sensor	Initial submission of sensor metadata.

Calibration & Maintenance

Frequency	Last Completed	Next Due
Maintenance A: Gravity Tie

Maintenance B: Zero Damp and Tilt/Pitch Table Tests

Maintenance C: test001

Calibration
	Jan 26 2022
Recommended Replacement

Warranty

Calibration Files

Date	Version	Author	Type	Document	Access
Jan 26 2022			cal_file	Gravimeter BGM-3_S222 Cal 1/26/22

User Guides & Documents

Date	Version	Author	Type	Document	Access

Ownership

Quantity	Value
Owner	other
Responsible Party	UAF Marine Technicians
Purchase Date
Acquire Date
Acquire Condition
End/Lost Ownership Date

Vendor Support

Support Type	Details
Company	Bell Aerospace
Website
Phone
Email
Shipping

Copyright Notice: All sensor-specific images and documentation on this page are copyright of the vendor.