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 Thickness Gauge >> ST-2D Ultrasonic Thickness Gauge(NDT, ultrasound, ultrasonic, measure)
ST-2D Ultrasonic Thickness Gauge(NDT, ultrasound, ultrasonic, measure)
ST-2 addition function of penetrating the coating
Thickness Gauge
    Product Readme

There are two operating modes of ST-2DD ultrasonic thickness gauge: standard mode and coating mode. The operating principle of coating mode is E-E (echo-echo). When there is coating or oil paint on the surface of the object, the net thickness of the material can be directly measured neither without necessarily removal of the coating nor without the calibration. While the defect of this mode is that the measuring range is relatively narrow: 0.118in-0.709in (with standard probe). The operating principle of standard mode is P-E. With the covered coating, the measurement will not be very accurate, so the coating should be removed before measuring in standard mode. The advantage of this mode is that the measuring range is relatively wide: 0.031in-19.685in (with standard probe).

Standard package:
ST-2D thickness gauge
Standard probe (PT-08)
Carrying case
Two 1.5V AA alkaline batteries
Operating manual
Certification of quality
Packaging list
Operating principle:
Standard mode: P-E (pulse-echo) method with dual-element probes
Coating mode:  E-E (echo-echo) method with dual-element probes
Probe zero adjustment:
Selectable: 1-point calibration: normal measurement
          2-point calibration: curve surface measurement or other special application with a high precision
V-path correction:
Measuring range:
0.8mm to 300mm; 0.031in to 11.81in in standard mode
3.0mm to 18.0mm; 0.118in to 0.709in in through coating mode
Depending on probe, material and surface condition
Digital resolution:
H<4in : 0.001in /0.01in or 0.01mm/0.1mm
H≥4in : 0.01in or 0.1mm
Selectable: inch or mm
128×64 dot-matrix LCD screen (1.65in×2.24in ;42mm×57mm)
EL backlight and switchable contract ratio
Digit height: 0.54in or 13.75mm
Measurement update rate:
4 Hz in standard measurement mode
25 Hz in MIN capture mode
Material velocity range:
1000 to 9999 m/s; 0.039 to 0.394 inch/µs
Two 1.5V AA alkaline batteries
Warning with low battery voltage
Operating time:
Up to 200 hours (without backlight) with alkaline batteries, depending on operating mode
Auto shut-off:
After 5 minutes of non-use
Operating temperature:
-10℃ to +50℃; +14℉ to +122℉
Specification to -20℃/-4℉ on request
5.86in×2.87in×1.25in; 149mm×73mm×32mm (H×W×D)
200g; 7oz (including batteries)
Data logger capacity:
Up to 500 readings can be divided into a maximum of 5 files (user-selectable)
Optional accessories:
Attachable rubber case
Numerous special probes on request
Couplants and high-temperature couplant
4-step/6-step block for calibration
Data transmission cable
Application software
Operating language:
English and Chinese
Measuring error:
Up to 1in: ±0.002in or ±0.05mm
Above 1in: ±0.5%H
H is the height of the testing object
±0.001in or ±0.025mm
Application software:
Serial RS 232C port in combination with a communicative cable;
Data transfer parameters: 8 bits, 1 stop bit, 9600 baud, no parity.

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