45MG Ultrasonic Thickness Gage

45MG Ultrasonic Thickness Gage

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45MG Product Introduction Video

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45MG Drop Test

Dual Element Transducers for Corrosion Gaging
Single Element Transducers for Precision Thickness Measurements

Dual Element Transducers for Corrosion Gaging

All standard dual element transducers feature Automatic Probe Recognition, which automatically recalls a default V-path correction for each specific transducer.

Item Number

Part Code

Frequency
(MHz)

Connector Type

Connector Location

Range in Steel (mm)

Range in Steel (in)

Temperature Range °F

Temperature Range °C

Tip Diameter (mm)

Tip Diameter (in)

D797-SM

2

Microdot

Straight

3.5 - 635

0.150 - 25

-5 - 752

-20 - 400

22.9

0.900

D797

2

Potted

Right Angle

3.5 - 635

0.150 - 25

-5 - 752

-20 - 400

22.9

0.900

D799

5

Potted

Right Angle

1.0 - 508

0.040 - 20

-5 - 300

-20 - 150

11

0.434

D791-RM

5

Microdot

Right Angle

1.0 - 508

0.040 - 20

-5 - 752

-20 - 400

11

0.434

D790-SL

5

LEMO

Straight

1.0 - 508

0.040 - 20

-5 - 932

-20 - 500

11

0.434

D790-SM

5

Microdot

Straight

1.0 - 508

0.040 - 20

-5 - 932

-20 - 500

11

0.434

D790-RL

5

LEMO

Right Angle

1.0 - 508

0.040 - 20

-5 - 932

-20 - 500

11

0.434

D790

5

Potted

Straight

1.0 - 508

0.040 - 20

-5 - 932

-20 - 500

11

0.434

MTD705

5

Lepra/Con

Right Angle

1.0 - 19

0.040 - 0.75

32 - 122

0 - 50

5.1

0.200

D791

5

Potted

Right Angle

1.0 - 508

0.040 - 20

-5 - 932

-20 - 500

11

0.434

D794

5

Potted

Straight

0.75 - 50

0.030 - 2

32 - 122

0 - 50

7.2

0.283

D798

7.5

Potted

Right Angle

0.71 - 100

0.028 - 4

-5 - 300

-20 - 150

7.2

0.283

D798-LF

7.5

Potted

Right Angle

0.71 - 100

0.028 - 4

-5 - 300

-20 - 150

8.9

0.35

D798-SM

7.5

Microdot

Straight

0.71 - 100

0.028 - 4

-5 - 300

-20 - 150

7.2

0.283

D7226

7.5

Potted

Right Angle

0.71 - 100

0.028 - 4

-5 - 300

-20 - 150

8.9

0.35

D792

10

Potted

Straight

0.5 - 25

0.020 - 1

32 - 122

0 - 50

7.2

0.283

D793

10

Potted

Right Angle

0.5 - 25

0.020 - 1

32 - 122

0 - 50

7.2

0.283

Single Element Transducers for Precision Thickness Measurements

Contact Transducers

Frequency	Element Diameter		Transducers	Item Number
Frequency	mm	inches	Transducers	Item Number
0.5	25	1.00	M101-SB*	U8400017
1.0	25	1.00	M102-SB*	U8400018
1.0	13	0.5	M103-SB*	U8400020
2.25	13	0.5	M106-RM	U8400023
2.25	13	0.5	M106-SM	U8400025
2.25	13	0.5	M1036	U8400020
5.0	13	0.5	M109-RM	U8400027
5.0	13	0.5	M109-SM	U8400028
5.0	6	0.25	M110-RM	U8400030
5.0	6	0.25	M110-SM M110H-RM**	U8400031 U8400029
10	6	0.25	M112-RM M112-SM	U8400034 U8400035 U8400033
10	6	0.25	M112H-RM**	U8400033
10	3	0.125	M1016	U8400015
20	3	0.125	M116-RM	U8400038
20	3	0.125	M116-SM	U8400039
20	3	0.125	M116H-RM**	U8400037

*These transducers can only be used with the High Penetration software option.
**Use with spring loaded holder.

Sonopen® Transducers

The Sonopen transducer has a replaceable delay line that is tapered to a small contact area. This transducer makes reliable thickness measurements in applications such as turbine blades and tight radii on plastic containers.

Sonopen - 15 MHz, 3 mm (0.125 in.) transducer

Straight Handle		Right Angle Handle		45° Handle
Part	Item Number	Part	Item Number	Part	Item Number
V260-SM	U8411019	V260-RM	U8411018	V260-45	U8411017

Sonopen - Replaceable Delay Lines

Tip Diameter		Part	Item Number
mm	inches	Part	Item Number
2.0	0.080	DLP-3	U8770086
1.5	0.060	DLP-302	U8770088
2.0	0.080	DLP-301†	U8770087

†High temperature delay for use up to 175°C (350°F)

Immersion Transducers

Panametrics Microscan immersion transducers are designed to transmit and receive ultrasound in water. Thickness measurements by immersion technique are often preferred when the test piece has a complex geometry or in on-line applications. Typical off-line applications include wall thickness measurements on small diameter plastic or metal tubing, scanned or rotary measurements and thickness measurements on sharply curved parts. Transducer focusing may be necessary depending on the application.

Frequency (MHz)	Element Diameter		Transducer	Item Number
Frequency (MHz)	mm	in.	Transducer	Item Number
2.25	13	0.50	M306-SU	U8410027
5.0	13	0.50	M309-SU	U8420001
5.0	6	0.25	M310-SU	U8420004
10	6	0.25	M312-SU	U8420008
15	6	0.25	M313-SU	U8420009
20	3	0.125	M316-SU	U8420011

RBS-1 Immersion Tank

The RBS-1 immersion tank is designed to simplify ultrasonic thickness measurements using immersion techniques.

Delay Line Transducers

Microscan delay line transducers provide excellent performance on very thin materials, at elevated temperatures,or with applications that require a high degree of thickness resolution.

Freq. (MHz)	Element Diameter		Transducer	Item Number	Holders	Item Number
Freq. (MHz)	mm	inches	Transducer	Item Number	Holders	Item Number
0.5	25	1.00	M2008*	U8415001	-	-
2.25	13	0.50	M207-RB	U8410017	-	-
5.0	13	0.50	M206-RB	U8410016	-	-
5.0	6	0.25	M201-RM	U8410001	-	-
5.0	6	0.25	M201H-RM	U8411030	2127	U8770408
10	6	0.25	M202-RM	U8410003	-	-
10	6	0.25	M202-SM	U8410004	-	-
10	6	0.25	M202H-RM	U8507023	2127	U8770408
10	3	0.125	M203-RM	U8410006	-	-
10	3	0.125	M203-SM	U8410007	-	-
20	3	0.125	M208-RM	U8410019	-	-
20	3	0.125	M208-SM	U8410020	-	-
20	3	0.125	M208H-RM	U8410018	2133	U8770412
20	3	0.125	M2055**	U8415013	-	-
30	6	0.25	V213-BC-RM**	U8411022	-	-

*These transducers can only be used with the High Penetration software option.
**Delay line is not replaceable on these transducers.

Replaceable Delay Lines

Delay lines function as a protective buffer between the surface of the test piece and the transducer element.

Element Diameter		Delay Line		Maximum Thickness Measurement Limit*
mm	inches	Part	Item Number	Steel - Mode 2		Steel - Mode 3		Plastic - Mode 2
mm	inches	Part	Item Number	mm	inches	mm	inches	mm	inches
13	0.50	DLH-2	U8770062	25	1.0	13	0.5	13	0.5
6	0.25	DLH-1	U8770054	25	1.0	13	0.5	13	0.50
3	0.125	DLH-3	U8770069	13	0.5	5	0.2	5	0.2

Additional Products

Couplants

Liquid couplant is almost always necessary to provide acoustic coupling between the transducer and the test piece. We offer various types of couplants to suit virtually all applications.

Calibration Test Blocks

Test blocks are necessary for the calibration of ultrasonic thickness gages and should be used to maintain and verify the accuracy, dependability, and reliability of ultrasonic measurements. Blocks are held to tighter tolerances than stated in ASTM E797 code. Metric test blocks are available.

Transducer Cables

A wide selection of transducer cables suitable for all ultrasonic thickness gaging instrumentation.

Standard
Waterproof
Heavy Duty
- Teflon
- Armored PVS Jacket
- Armored Silicone Jacket
- Stainless Steel

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®
Single Element
Single Element High Penetration
Data Logger
Live A-Scan with Waveform Adjust

Echo-to-Echo / THRU-COAT® Option

Echo-to-Echo

The gage 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.

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

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

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

Onboard DB Grid View with three programmable colors

GageView Interface 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, gage setup values, and transducer setup values
Download and upload thickness surveys to and from the gages
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 gage'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.

45MG Specifications

Measurements
Dual element transducer measurement mode	Time interval from a precision delay after the excitation pulse to the first echo
Echo-to-Echo (optional)	Time interval between two successive back-wall echoes to eliminate paint or coating thickness
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)
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)
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)
Material velocity range	0.508 mm/μs to18.699 mm/μs (0.020 in./μs to 0.7362 in./μs)
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.)
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)
Keypad	Sealed, color-coded keypad with tactile and audible feedback
Case	Impact-resistant and water-resistant, gasketed case with sealed connectors. Designed for IP67.
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)
Weight	430.9 g (0.95 lb)
Power Supply	3 AA batteries/USB power supply
Battery life operating time	3 AA alkaline: 20 to 21 hours 3 AA NiMH: 22 to 23 hours AA Lithium-ion: 35 to 36 hours
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.)
Rectification	Full wave, RF, half-wave positive, or half-wave negative (Waveform option)

Inputs/Outputs
USB	2.0 client
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 gage configuration information through USB or MicroSD.
Capacity	475,000 thickness measurements or 20,000 waveforms with thickness measurements
File names, IDs, and comments	32-character file names and 20-character alphanumeric location codes with four comments per location
File structure	Six standard or custom application-specific file structures
Reports	On-gage reporting of summary with statistics, Min./Max.

Standard Package

45MG digital ultrasonic thickness gage
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

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

The 45MG is an advanced ultrasonic thickness gage 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 gage transducers, making this innovative instrument an all-in-one solution for virtually every thickness gage application.

Standard Features

In its basic configuration the 45MG is a simple and straightforward gage that requires minimal operator training to tackle most common thickness gaging 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 gage. 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 with optional protective rubber boot and stand

Optional Features

From a simple corrosion gage to a multi-purpose precision thickness gage with only a few key strokes. 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®: 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 from surfaces.
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 gage'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 gage stand

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