The ARW-981 Ultrasonic Flaw Finder is a digital instrument designed to make a fast and precise measurement of various defects in the workpiece using ultrasonic technology. This instrument features a portable, ultra-slim design and high signal-to-noise ratio making it the perfect tool for tough working conditions. It is also equipped with a large color LCD display, IP 65 protection and meets the requirements of EN22232-1, EN12668-1 standards.
The ARW-981 flaw detector is widely used in steel industry, electric power industry, petrochemical industry, boiler and pressure vessel industry, rail transportation industry, automotive industry, machinery industry and other fields. Its field of application is the search for defects on materials and welds using the ultrasonic NDT verification method.
Delivery kit of the ARW-981 ultrasonic flaw detector
Technical specifications ARW-981 ultrasonic detector |
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Models |
ARW-981S |
ARW-981O |
Scan Range(mm) |
0~10000 mm |
0~12000mm |
Velocity Range(m/s) |
1000~15000 |
500~18000 |
Gain Range(dB) |
110 dB |
120dB |
Operating Frequency |
0,2~20MHz |
0.2~25MHz |
Pulse Repetition Frequency |
10~1500Hz |
10~2500Hz |
Vertical linearity error |
≤2,0% |
≤2.0% |
Horizontal linearity error |
≤0,2% |
≤0.2% |
Sampling Frequency |
150MHz |
200Mhz |
Transducer Frequency Max. |
15MHz |
20MHz |
Dynamic Range |
≥38 dB |
≥38dB |
Risolution |
≥40 dB |
≥40dB |
Testing sensitivity |
≥65 dB |
≥65dB |
Pulse amplitude |
100V~500V |
100V~500V |
Pulse Width |
0.03~0.51µs |
0.03~0.51μs |
Transducer Damping |
50Ω~400Ω |
50Ω~400Ω |
Interface for Probe cable |
BNC (optional LEMO) |
BNC (optional LEMO) |
Working mode |
modes: Straight / Angle / Dual crystal probe, Penetrating detection and etc. |
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Power Supply |
100-240V 50-60Hz; DC 9V Rechargeable Li-ion battery,10+ hours life |
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Dimension & Weight |
Dimension 240×153×38mm; Net weight 0.98kg (with Li-ion battery) |
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Environment |
Temperature -10~50℃, Humidity 20~ 95%RH |
Configuration |
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Models |
ARW-981S | ARW-981O |
Square wave pulser |
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DAC/DGS/AVG diagram |
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AWS |
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TGC |
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B-Scan a colori |
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Automatic calibration (V2) |
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PC connection |
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Bluetooth connection (only for APP connection) |
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External storage (USB) |
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Detection Video (.rec format viewable by the instrument) |
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DOWNLOAD "MOBILE APP" APPLICATION (only for ARW-981O Optimum version)