Dynasonics WT-1 ULTRASONIC THICKNESS GAUGE User Manual
Wt-1

ULTRASONIC THICKNESS GAUGE
WT-1
dynasonics.com
1. Ultrasonic Sensor Plug (2)
2. Coupling Indicator
3. Ultrasonic Sensor
4. Calibration Key
5. Material Selection Key
6. Unit of Measure Key
7. Up (+) Key
8. Down (-) Key
9. Velocity Key
10. Power Key
11. Calibration Block
1
3
2
4
5
6
9
7
10
11
8
SPECIFICATIONS
Display:
LCD
Range:
1.0 - 200 mm (45# steel)
Resolution:
0.1 mm/0.001 inch
Accuracy:
±0.5%n+0.1 mm
Sound Velocity: 500 - 9000 m/s
With:
Bluetooth interface
Power Supply: Four AAA cells
Operating
Temp: 0 - 104 ºF (0 - 40 ºC)
Condition:
Humidity: <80%
Size:
4.7" H x 2.4" W x 1.2" D
(120 mm x 62 mm x 30 mm)
Accessory:
Carrying case, ultrasonic sensor,
manual, and grease couplant
CALIBRATION PROCEDURE
1. Place a BB-sized drop of couplant on Calibration Block.
2. Press the Calibration Key. 'CAL' will show on the 
 display.
3. Position Ultrasonic Sensor on the Calibration 
 Block. When reading on Coupling Indicator (
(
•
)
) is
 steady at '0.197' inch ('5.0' mm) and 'CAL' is 
 shown on the display simultaneously, press 
 Calibration Key to confirm. Unit will return to state 
 of measurement.
4. The calibration result will be auto-saved to the unit 
 once confirmed. It is unnecessary to calibrate 
 often unless you suspect the accuracy of 
measurement.
BATTERY REPLACEMENT
1. When battery symbol appears on the display, it is 
 time to replace the batteries.
2. Slide Battery Cover away from instrument and 
 remove batteries.
3. Install batteries paying careful attention to polarity.
FEATURES
•
Micro-computer circuit and crystal time base high
accuracy measurements.
•
With high power transmission and sensitive
 reception, the WT-1 can be utilized on a wide 
 range of applications including pipes with rough 
 surfaces.
•
Ability to measure the thickness of many pipe
 materials; including Steel, Cast iron, Aluminum, 
 Red copper, Brass, Zinc, Quartz glass, 
Polyethylene, Ductile Cast Iron and PVC/CPVC.
•
Automatic power shut off.
DESCRIPTIONS
