Description Overview GAOTek CDDL Crack Ultrasonic Concrete Cover Thickness Tester, by using the reflected wave method, the device is used to assess the integrity of concrete pile and identify the extent and location of the pile defect. It can be used for testing bored concrete piles and hammer piles. It can also be used for testing constructions with an exposed top surface such as pillars. Technical Specifications Control Mode Android Platform Screen High brightness, TFT color LCD screen Data Storage ≥ 8GB Operation Mode Touch Screen Sentinels Magnify (time) 1,2,4,8,16,32 Adjustable A/D Resolution (bit) 24 bits A/D Sampling Time Intervals(μs) 6.4 to 1638.4 Adjustable Max Length Of Sampling ≥ 2048 Trigger Signal Trigger Noise Voltage Of The System (mv) ≤ 2 Dynamic Range(db.) ≥180 Amplifier Frequency Range (Hz) 1 K to 10 k Max Storage Length 2048 Amplitude Nonlinear degree ≤10% Fixed Point Magnification 1, 2, 4, 8, 16, 32,64 Error Of Time Indication ≤ 1% Time Resolution(us) 6.4 Gain Error(dB) ≤1 Continuous Working Time(h) >5 Number Of Channels 1 Interference Between The Channels No Transducer/Probe Sensitivity (acceleration mode) (mv/g) ≥100 Frequency Range Of Probe (Acceleration probe) (Hz) 0.5 to 9000 Power Internal Built-in-battery External 220V AC/DC Wi-fi Yes Weight(kg) 0.75 Lb. (0.34 kg) (lithium battery included) Total Volume(mm) Φ5×120
