sauter TN-US Instruction Manual
Sauter GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@sauter.eu
Tel: +49-[0]7433- 9933-199
Fax: +49-[0]7433-9933-149
Internet: www.sauter.eu
Instruction Manual
Digital Ultrasonic Thickness Gauge
SAUTER TN-US
Version 1.4
01/2018
GB
TN_US-BA-e-1814
PROFESSIONAL MEASURING
2 TN_US-BA-e-1814
GB
SAUTER TN-US
Version 1.4 01/2018
Instruction Manual Ultrasonic Thickness Ga uge
Thank you for buying a SAUTER digital Ultrasonic Thickness Gauge. We hope you
are pleased with your high quality Thickness Gauge with its big functional range.
If you have any queries, wishes or helpful suggestions, do not hesitate to call our
service number.
Summarize:
1 Overview ......................................................................................................... 3
1.1 Product specifications ............................................................................................................. 3
1.2 Main functions .......................................................................................................................... 4
1.3 Measuring principle .................................................................................................................. 4
1.4 Configuration ............................................................................................................................ 5
1.5 Operation conditions ............................................................................................................... 5
2 Structure feature ............................................................................................ 5
2.1 Digital Display ........................................................................................................................... 6
2.2 Keypad definition ..................................................................................................................... 6
3 Preparation ..................................................................................................... 6
3.1 Transducer selection ............................................................................................................... 6
3.2 Conditions and preparation of surfaces ................................................................................ 8
4 Operation ........................................................................................................ 9
4.1 Power on/ off ............................................................................................................................. 9
4.2 Zero adjustment ........................................................................................................................ 9
4.3 Sound velocity calibration ..................................................................................................... 10
4.3.1 Calibration to a known thickness .............................................................................................. 10
4.3.2 Calibration to a known velocity ................................................................................................. 11
4.3.3 Two-point Calibration ................................................................................................................ 11
4.4 How to perform measurements ............................................................................................ 12
4.4.1 Change of measuring sound velocity ....................................................................................... 13
4.5 Scan mode .............................................................................................................................. 13
4.6 Changing resolution ............................................................................................................... 13
4.7 Changing units ....................................................................................................................... 13
4.8 Memory management............................................................................................................. 14
4.8.1 Storing a reading ...................................................................................................................... 14
4.8.2 Clearing a selected file ............................................................................................................. 14
4.8.3 Viewing/ deleting stored records .............................................................................................. 14
4.9 Data printing ........................................................................................................................... 15
4.10 Beep- Mode ............................................................................................................................. 15
4.11 EL Backlight ............................................................................................................................ 15
4.12 Battery information ................................................................................................................ 15
4.13 Auto Power off ........................................................................................................................ 15
4.14 System reset ........................................................................................................................... 16
4.15 Connection to PC ................................................................................................................... 16
5 Servicing ....................................................................................................... 16
6 Transport and Storage ................................................................................ 16
TN_US-BA-e-1814 3
Available models: TN 80-0.1US
TN 230-0.1US
TN 300-0.1US
TN 80-0.01US
TN 230-0.01US
TN 300-0.01US
1 Overview
Model TN- US is a digital ultrasonic thickness gauge based on the same operating
principles as SONAR. The instruments are capable of measuring the thickness of
various materials with an accuracy of 0.1/0.01 mm. They are suitable for a variety of
metallic and non- metallic materials.
1.1 Product specifications
Display: 4.5 digits LCD with EL backlight
Measuring range: 0.75 to 300mm (in steel)
Sound velocity: 1000 to 9999m/s
Resolution: TN xx0.1 US: 0,1mm;
TN xx0.01US: 0,1 / 0,01mm
Model TN 80-0.01measures continuously with a resolution of 0.01
Model TN 230-0.01 US as well as TN 300-0.01 are measuring with a
readout of 0.01 up to 200mm
and over this, each device measures with a resolution of 0.1
Accuracy: Models with a resolution of 0.1mm:
0.5% of the measured value +0.04mm
Models with a resolution of 0.01mm: 1% of the meas ur ed value
In dependence on material and environmental conditions.
Units: Metric/ Imperial units selectable
- Four measurements readings per second at single point measurement and ten
per second at Scan Mode.
- Memory up to 20 files (up to 99 values for each file) of stored values
Power supply: 2x AA, 1.5V alkaline batteries
Typical operating time: about 100 hours
(EL backlight off)
4 TN_US-BA-e-1814
Transfer to PC: RS-232 serial port for TN xx0.01 US.
No transfer to PC possible at TN xx0.1 US
Dimensions: 150 x 74 x 32 mm
Weight: 245g
1.2 Main functions
- Capable of performing measurements on a wide range of materials including
metals, plastic, ceramics, epoxies, glass and other ultrasonic wave well- conductive materials.
- Various transducer models are available for special applications included
coarse grain material and high temperature applications.
- Zero adjustment function, Sound velocity calibration function
- Two- point calibration function
- Two measurement modes: Single point mode
Scan mode
- Coupling status indicator showing the coupling status
- Battery indication indicates the rest capacity of the battery
- “Auto sleep” and “Auto power off” function to conserve battery’s life
Optional software for TN xx0.01 US to transfer the m emory data to PC
Optional thermal mini-printer to print the measured data via RS-232 port,
available for TN xx0.01 US.
1.3 Measuring principle
The digital ultrasonic thickness gauge determines the thickness of a part or a structure by accurately measuring
The time required for a short ultrasonic pulse generated by a transducer to travel
through the thickness of the material, to reflect from the back or inside surf ace and
be returned to the transducer. The measured two- way transit tim e is divided b y two
to account for the down-and-back travel path, and then multiplied by the velocity of
sound in the material. The result is expressed in following relationship:
2
tv
H
×
=
Where: H ----˃ thickness of the test piece
v ----˃ sound velocity in the material
t ----˃ the measured round-trip transit time
TN_US-BA-e-1814 5
1.4 Configuration
Table 1-1
1.5 Operation conditions
Temperature: -20°C up to +60°C
Storage temperature: -30°C up to 70°C
Relative humidity: ≤ 90%
In the surrounding environment any kind of vibrations should be avoided, as well as
magnetic fields, corrosive medium and heavy dust.
2 Structure feature
1 Main body
2 Keypad
3 LCD Display
4 Pulser socket
5 Receiver socket
6 Control plate
7 Communication port
8 Label
9 Battery cover
10 Ultrasonic sensor
No.
Item
Quantity
Note
Standard
configuration
1
Main body
1
2
Transducer
1
Depends on the
model
3
Coupling medium
1 4
Transport case
1 5
Instruction manual
1 6
Alkaline Battery
2
AAsize
Optional
Configuration
Re-order
7
Transducer: ATU-US 01
1
see table
3-1
8
Transducer: ATU-US 02
1
9
Transducer: ATB-US 02
1
10 Transducer: ATU-US10
90° angle
1
11
Transducer: ATU-US09
1
12 Transducer: ATB-US01
1
13
14
15
Data Pro Software ATU-04
Plug-In Software AFI-1.0
USB Komm.kabel FL-A01
1
1
1
for PC, only at
models with
resolution
TN xx0.01 US
16
Coupling medium
ATB-US03
1
POWER: 2 X 1.5V
SN:
ULTRASONIC
THICKNESS GAUGE
6 TN_US-BA-e-1814
2.1 Digital Display
1 Coupling status:
Indicates the coupling status. While measurements are taken, the coupling status
should be on. If it isn’t or if it isn’t stable, the instrument has got difficulties in achieving stable measurements and the thickness value displayed will most likely be erroneous.
2 Unit:
Current unit system. MM or IN for thickness value.
M/S or IN/µS for sound velocity.
3 Battery information:
Displays the rest capacity of the battery.
4 Information Display:
Displays the measured thickness value, the sound velocity and shows hints of the
current operation.
2.2 Keypad definition
Turn the in strument on/off
Sound velocity calibration
Turn on/off the EL back-
light
Enter
Zero operation
Plus;
Turn on/off Scan mode
Unit switch between Met-
ric and Imperial system
Minus;
Turn on/off the beep mode
Data Save or Data Delete
3 Preparation
3.1 Transducer selection
With this instrument it is possible to measure a wide range of different materials,
started from various metals to glass and plastics. These different types of material
require the usage of different transducers. Choosing the correct transducer is the
most important thing to perform accurate and reliable measurements. Generally
1
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