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Industrial Solutions

45MG

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ResourcesThickness Gage TutorialResourcesIntroduction to Thickness Gaging
Home/ Products/ Thickness Gauges/ 45MG
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  • Overview
  • Specifications
  • Software Options
  • Transducers
  • Resources

Overview

45MG Ultrasonic Thickness Gauge:
Simple Operation, Rugged, and Reliable


360 View

The 45MG is an advanced ultrasonic thickness gauge packed with standard measurement features and software options. This unique instrument is compatible with the complete range of Olympus dual element and single element thickness gauge transducers, making this innovative instrument an all-in-one solution for virtually every thickness gauge application.

  • Corrosion Measurements with Dual Element Transducers

  • Precision Measurements with Single Element Transducers

Standard Features

In its basic configuration the 45MG is a simple and straightforward gauge that requires minimal operator training to tackle most common thickness gauging applications. With additional optional software options and transducers however, the 45MG can become significantly more advanced and take on applications well beyond that of a typical entry-level gauge. Furthermore, most options are available individually at the time of purchase or can be added in the future as your needs change.

  • Compatible with full line of Olympus dual element transducers for thickness measurements on internally corroded metals
  • Min./Max. mode
  • Two Alarm modes
  • Differential mode
  • Time-based B-scan
  • Reduction Rate
  • Gain Adjust (standard, high, and low)
  • Password instrument lock

45MG Ultrasonic Thickness Gauge
45MG with optional protective rubber boot and stand

Optional Features

From a simple corrosion gauge to a multi-purpose precision thickness gauge with only a few key strokes. The 45MG offers five code-activated software options that makes it one of the most versatile thickness gauges in the industry.

  • Echo-to-Echo / THRU-COAT®:Using Echo-to-Echo, the true metal thickness is displayed and the thickness of the coating layer will be ignored. THRU-COAT measures metal and nonmetallic coating thicknesses, each adjusted for their correct sound velocities. There is no need to remove paint or coatings fromsurfaces.
  • Single Element:For very precise thickness measurements on many materials, including metals, plastics, composites, glass, and ceramics. Compatible with single element Microscan transducers ranging from 2.25 MHz to 30 MHz.
  • Single Element High Penetration:For thickness measurement on thick or highly attenuating materials such as fiberglass or cast metals. Compatible with single element Microscan transducers ranging from 0.5 MHz to 30 MHz. Included is the Single Element option.
  • Data Logger:The 45MG has a full-featured internal bidirectional alphanumeric data logger that is designed to easily store and transfer thickness readings and waveform data. Includes GageView™ interface program, a Windows-based application.
  • Live A-scan with Waveform Adjust:This optional Live A-scan mode allows users to view the ultrasound waveform (or A-scan) directly on the gauge's display, verify the thickness measurement, and make manual adjustments to gain and blanking settings to maximize measurement performance in challenging applications. This helpful option features Manual Gain Adjust, Extended Blanking, First Echo Blank, Range, and Delay.

Built for Tough Environments

  • Rugged, designed for IP67
  • Explosive Atmosphere: Safe operation as defined by Class I, Division 2, Group D, as found in the National Fire Protection Association Code (NFPA 70), Article 500, and tested using MIL-STD-810G, Method 511.4, Procedure I.
  • Shock tested using MIL-STD-810G, Method 516.5, Procedure I, 6 cycles each axis, 15 g, 11 msec Half sine.
  • Vibration tested using MIL-STD-810G, Method 514.5, Procedure I, Annex C, Fig. 6, general exposure: 1 hour each axis.
  • Wide operating temperature range
  • Optional protective rubber boot with gauge stand

indoor a-scan display
Indoor display setting, optional A-scan mode

Designed for Easy Operation

  • Simple keypad for right hand/left hand operation
  • Easy operator interface with direct access to most functions
  • Internal and removable microSD memory card storage
  • USB communication port
  • Optional alphanumeric data logger with 475,000 thickness readings or 20,000 waveforms
  • Default/Custom single element transducer setups (optional)
  • Password protected instrument lock
  • Color transflective QVGA display with indoor and outdoor color settings for superior clarity

Outdoor a-scan
Outdoor display setting, optional A-scan mode

Specifications

Measurements > Dual element transducer measurement mode Time interval from a precision delay after the excitation pulse to the first echo
Measurements > Echo-to-Echo (optional) Time interval between two successive back-wall echoes to eliminate paint or coating thickness
Measurements > THRU-COAT® measurement (optional) Measurement of true metal and coating thicknesses with a single back-wall echo (with D7906-SM, D7906-RM, and D7908 transducers)
Measurements > Single element transducer measurement modes (optional) Mode 1: Time interval between the excitation pulse and the first back-wall echo
Mode 2: Time interval between the delay line echo and the first back-wall echo (with delay or immersion transducers)
Mode 3: Time interval between successive back-wall echoes following the first interface echo after the excitation pulse (with delay line or immersion transducers)
Measurements > Thickness range 0.080 mm to 635 mm (0.003 in. to 25.0 in.) depending on material, transducer, surface conditions temperature, and selected configuration (Full range requires single element option)
Measurements > Material velocity range 0.508 mm/μs to18.699 mm/μs (0.020 in./μs to 0.7362 in./μs)
Measurements > Resolution (selectable) Low: 0.1 mm (0.01 in.)
Standard: 0.01 mm (0.001 in.)
Single Element option: 0.001 mm (0.0001 in.)
Measurements > Transducer frequency range Standard: 2.25 MHz to 30 MHz (-3 dB) High Penetration (Single Element option): 0.50 MHz to 30 MHz (-3 dB)
General > Operating temperature range -10 °C to 50 °C (14 °F to 122 °F)
General > Keypad Sealed, color-coded keypad with tactile and audible feedback
General > Case Impact-resistant and water-resistant, gasketed case with sealed connectors. Designed for IP67.
General > Dimensions (W x H x D) Overall: 91.1 mm x 162 mm x 41.1 mm (3.59 in. x 6.38 in. x 1.62 in)
General > Weight 430.9 g (0.95 lb)
General > Power Supply 3 AA batteries/USB power supply
General > Battery life operating time 3 AA alkaline: 20 to 21 hours
3 AA NiMH: 22 to 23 hours
AA Lithium: 35 to 36 hours
General > Standards Designed for EN15317
Display > Color transflective QVGA display Liquid crystal display, display area 54.61 mm x 41.15 mm (2.15 in. x 1.62 in.)
Display > Rectification Full wave, RF, half-wave positive, or half-wave negative (Waveform option)
Inputs/Outputs > USB 2.0 client
Inputs/Outputs > Memory card Maximum capacity: 2 GB removable microSD memory card
Internal Data Logger (Optional) > Data logger The 45MG identifies, stores, recalls, clears, and transmits thickness readings, waveform images, and gauge configuration information through USB or microSD.
Internal Data Logger (Optional) > Capacity 475,000 thickness measurements or 20,000 waveforms with thickness measurements
Internal Data Logger (Optional) > File names, IDs, and comments 32-character file names and 20-character alphanumeric location codes with four comments per location
Internal Data Logger (Optional) > File structure Six standard or custom application-specific file structures
Internal Data Logger (Optional) > Reports On-gauge reporting of summary with statistics, Min./Max.

Standard Package

  • 45MG digital ultrasonic thickness gauge
  • AA alkaline batteries
  • 2-step test block and couplant
  • USB cable
  • User's manual on CD
  • Measurement features: Min./Max. mode, two alarm modes, Differential, mode, B-scan, Reduction Rate, Programmable Lock

Software Options

  • 45MG-SE (U8147022): Single Element option to use single element transducers with frequency range of 2.25 MHz to 30 MHz.
  • 45MG-HP (U8147023): Single Element High Penetration option to use single element transducers with frequency range of 0.5 MHz to 30 MHz.
  • 45MG-EETC (U8147021): Echo-to-Echo and THRU-COAT®
  • 45MG-WF (U8147019): Waveform option
  • 45MG-DL(U8147020): Internal data logger including GageView interface program

Optional Accessories

  • MICROSSD-ADP-2GB (U8779307): 2 GB External microSD memory card
  • 45MG-RPC (U8779676): Rubber protective boot with stand

Software Options

The 45MG offers five code-activated software options that makes it one of the most versatile thickness gages in the industry.

Echo-to-Echo / THRU-COAT® Option

Echo-to-Echo

The gauge displays the true metal thickness and ignores the thickness of the coating layer, using multiple back-wall echoes:

  • Auto Echo-to-Echo
  • Manual Echo-to-Echo (with A-scan option only) that allows:
    • Gain Adjust
    • Extended Blanking
    • Echo Blanking

THRU-COAT Technology

Uses a single back-wall echo to measure true metal thickness. You can display the metal and coating thicknesses, each adjusted for their correct material sound velocities. There is no need to remove paint and coatings from surfaces. THRU‑COAT measurements use the D7906-SM, D7906‑RM, and D7908 dual element transducers. D7906

Auto Echo to Echo Mode
Auto Echo-to-Echo mode with A-scan
Thru Coat Mode
THRU-COAT mode showing thickness of coating and steel (waveform not activated)
Manual Echo-to-Echo
Manual Echo-to-Echo adjusting the First Echo blank
Thru Coat Mode Wave
THRU-COAT mode with optional waveform

Single Element Software Option

The Single Element software option enables you to make very precise thickness measurements at a resolution of up to 0.0001 in. or 0.001 mm. Compatible with single element Microscan transducers ranging from 2.25 MHz to 30 MHz.

  • Most materials, from thin to thick
  • Plastic bottles, tubes, pipes, sheets as thin as 0.08 mm (0.003 in.)
  • Metal containers, steel coils, machined parts as thin as 0.10 mm (0.004 in.)
  • Cylinder bores, turbine blades
  • Glass bulbs, bottles
  • Thin fiberglass, rubber, ceramics, and composite materials
  • Curved areas or containers with small radii

Single Element High Penetration Software Option

This option allows you to use low frequency single element transducers (as low as 0.5 MHz) to measure thick or highly attenuating materials such as rubber, fiberglass, castings, and composites. Included is the Single Element option.

  • Most thick or sound-attenuating materials
  • Thick cast metal parts
  • Thick rubber tires, belts
  • Fiberglass boat hulls, storage tanks
  • Composite panels
  • Resolution of 0.01 mm (0.001 in.) for transducer frequencies of 0.5 MHz and 1.0 MHz

Optional Data Logger and PC Interface

The 45MG has a full-featured internal bidirectional alphanumeric data logger that is designed to easily store and transfer thickness readings and waveform data. The data logger option includes the GageView™ Interface program.

Data Logger Option

  • Internal memory of 475,000 thickness readings or 20,000 waveforms with thickness readings
  • 32 Character File name
  • 20 Character ID# (TML#)
  • 6 file formats: Incremental, Sequential, Sequential with custom point, 2-D Grid, Boiler, and Manual (from PC) GageView
  • Internal and removeable microSD memory cards
  • File copy with the ability to copy files between internal/removable microSD memory cards
  • Standard USB communication
  • Two-way transfer of single element transducer setups
  • Onboard statistical report
  • Onboard DB Grid View with three programmable colors
  • GageView™ interface program communicates with the 45MG
    • using the USB port
    • or read and write to a microSD memory card
  • Direct export of internal files to microSD memory card in Excel compatible CSV (comma-separated values) and .txt format.

color coded grid easily flags out-of-tolerance thickness condition
When viewed on your PC a color coded grid easily flags out-of-tolerance thickness conditions.

Measurement report
Measurement reports can easily be generated and printed containing measurements, ID, and other parameters.

OnBoard DB Grid Vie
Onboard DB Grid View with three programmable colors

GageViewInterface Program

  • Included with the Data Logger option
  • This Windows-based application collects, creates, prints, and manages data from the 45MG.
  • Creates datasets and surveys
  • Stored data editing
  • View dataset and survey files; including thickness readings, gauge setup values, and transducer setup values
  • Download and upload thickness surveys to and from the gauges
  • Export surveys to spreadsheets and other programs
  • Collecting snapshot screens
  • Printing reports such as Thickness, Setup Table, Statistics, and Color Grid
  • Upgrade the 45MG software
  • Download and upload single element transducer setup files

B-scan Screen
When viewed on your PC a color coded grid easily flags out-of-tolerance thickness conditions.

Live A-Scan With Waveform Adjust

This optional Live A-scan mode allows users to view the ultrasound waveform (or A-scan) directly on the gauge's display, verify the thickness measurement, and make manual adjustments to gain and blanking settings to maximize measurement performance in challenging applications. This helpful option features Manual Gain Adjust, Extended Blanking, First Echo Blank, Range, and Delay.

Transducers

Transducers for Precision Thickness Gauges

Transducers for Corrosion Thickness Gauges

  • Contact Transducers
  • Delay Line
  • Immersion Transducers
  • Test Blocks & Cables
  • Transducer Wizard
  • Gauge Dual Transducers
  • Cables

Olympus offers a complete selection of transducers, cables, couplants, calibration test blocks, and accessories to meet a wide variety of ultrasonic precision thickness gauging applications.

Resources

Application Notes

High-Temperature Ultrasonic Testing
Ultrasonic Testing FAQs
Normal Incidence Shear Wave Transducers
Ultrasonic Detection of Manufacturing Artifacts in New Pipe
Wall Thickness of Plastic Pipe
Thickness of Small Diameter Tubing
Measurement of the Layers in Clad Metal Cookware
Effects of Long Cables in Ultrasonic Testing with Single Element Transducers
Elastic Modulus Measurement
Wall Thickness Gaging in the Blow Molding Industry
Ultrasonic Testing in the Foundry Industry
Iron, Steel, Aluminum, and Non-Ferrous Castings
Wall Thickness Measurement of Cast Engine Blocks and Cylinder Bores
Measuring Thickness of Wax Molds for Precision Castings
Measuring Nodularity in Cast Iron
Thickness Measurements of Fiberglass Plates, Pipes and Storage Tanks
Thickness Measurement of Aerospace Composites
Thickness Gaging of Fiberglass Boat Hulls
Measurement of Fiberglass Gelcoat
Thickness Measurements on Rubber Hoses & Tubing
Thickness Measurements on Rubber Sheets and Coatings
Measuring the Thickness of Rubber Tires
Thickness Testing of Reinforced Rubber Conveyor Belts
Thickness Measurement of Glass
Wall Thickness of Turbine Blades
Thickness Measurements and Flaw Detection of Ceramics
Ultrasonic Measurements of Liquids
Measurements of Silicone Coatings on Porcelain High Voltage Insulators
High Temperature Ultrasonic Testing
Thickness Measurement of Coextruded Cap Layers
Thickness Measurement of Automobile Fuel Tanks
Thickness Measurements of Polymer Aircraft Windshields
Corrosion Thickness Gauging with Dual Element Transducers
Measuring Metal Thickness Through Paint
Wall Thickness Measurements of Metal Pipes and Tubes
Ultrasonic Thickness Measurements of Hot Metals
Measuring Wall Thickness of Gun Drilled Metal
Metal Coils Thickness Inspection
Wall Thickness Measurements for Metal Cans, Containers and Enclosures
 Show More

Videos

Measure the Thickness of a Rubber Conveyor Belt with Steel Cord Reinforcement Using an M1036 Transducer
Using an M1036 Transducer to Measure the Thickness of a Fabric Cord Rubber Conveyor Belt
Measure the Thickness of Gelcoat on Fiberglass Using an M208 Transducer
Measure Thick Fiberglass Composite Using an M1036 Transducer
Measure Thick Fiberglass Composite Using an M2008 Transducer
Measure Small-Diameter Tubing Using an Immersion Transducer
Saving Custom Transducer Setups
Set Up a Sonopen™ Transducer to Measure Small-Diameter Tubing
Metal Industry Inspection Solutions video
27MG Ultrasonic Thickness Gauge Introductory Video
45MG Drop Test
45MG Product Introduction Video
38DL PLUS_Echo to Echo vs.Thru-Coat
 Show More

SlideShare

45MG Ultrasonic Thickness Gage

Webinars

Advantages of Ultrasonic Thickness Gages over Flaw Detectors for Corrosion Thickness Measurements

White Papers

An Introduction to Ultrasonic Transducers for Nondestructive Testing
Ultrasonic Transducer Technical Notes (PDF Brochure)
Introduction to Thickness Gaging
 Show More

Tutorials

Ultrasonic Flaw Detection Tutorial
Thickness Gage Tutorial

FAQs

Ultrasonic Testing FAQ

Brochures

45MG Ultrasonic Thickness Gage

Manuals

45MG Getting Started Guide
45MG User's Manual

Solutions

Metal Industry Inspection Solutions
Wind Turbine Inspection Solutions
Corrosion Inspection Solutions
Composite Inspection Solutions
Measurement Solutions
 Show More

Blog

Ruckus Composites Inspects Thousands of Bikes with One Ultrasonic Thickness Gage
How the Echo-to-Echo and THRU-COAT® Techniques Measure Up for Corrosion Inspection
You Asked and We Listened: New GageView Instructional Videos
 Show More
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