Modsonic Arjun 30 Ultra-Portable Ultrasonic Flaw Detector
Palmtop, ultralight (800g with battery) industrial ultrasonic flaw detector engineered for single-handed field operation. Features a high-resolution (800×480) sunlight-readable color WVGA display, IP66 sealed rugged enclosure, dynamic DAC, and 8+ hours Lithium-Ion battery life.
Arjun 10 / 20 / 30 Series Comparison
Choose the exact capability tier from basic flaw detection to continuous B-Scan recording and encoder tracking.
Arjun 10
Palmtop 800g flaw detector with 2.5mm to 5m range, Dynamic DAC curve plotting, 500 A-Scan memory, MicroSD slot, and 8+ hour battery.
View Arjun 10 →Arjun 20
Adds Time Corrected Gain (TCG), On-board DGS/AVG flaw sizing curves, and built-in software for AWS D1.1 structural weld ratings.
View Arjun 20 →Arjun 30
Flagship model featuring extended 10m range, 100 Hours continuous UT Data Recording, Color-Coded B-Scan, and Single-Axis Encoder input.
View Arjun 30 →Technical Specifications
| Product Model | Modsonic Arjun 30 |
|---|---|
| Manufacturer | Modsonic Instruments Mfg. Co. (P) Ltd. (An ISO 9001:2008 Company) |
| Test Range | 2.5 mm to 10,000 mm (in steel) (in steel). Fine mode adjustable in 1mm step. |
| Sound Velocity | 1,000 m/s to 15,000 m/s. 21 preset values; fine adjustment in 1 m/s step. |
| Display Delay | Up to 120 mm adjustable in 0.01, 0.1 mm, or 1 mm step. |
| Calibrated Gain | 100 dB calibrated gain adjustable in 0.1, 0.5, 1, 2, 6, or 14 dB step. |
| Pulser / Receiver | Square wave pulser. PRF: 50 Hz to 1 kHz coupled with test range. Frequency: Broadband 0.5 MHz to 15 MHz. |
| Display Screen | 5-inch High Resolution Color WVGA LCD (800 × 480 pixels, 108 × 64 mm) with 5 color sets & 0-100% brightness. Left/Right hand display flip. |
| Monitor Gates | Two fully independent gates (GATE A & GATE B) with positive/negative logic and peak/flank measurement. |
| DAC / TCG | Dynamic DAC digitally plotted (smooth parabolic curve, up to 10 points) with selectable offset curves (0 to 14 dB). TCG (Time Corrected Gain) included. |
| On-Board DGS / AVG | Defect size evaluation using predefined probe settings and custom setups (ERS value display). |
| AWS D1.1 Software | Built-in software rating for AWS structural weld inspection. |
| UT Data Recording & B-Scan | 100 Hours continuous dynamic A-Scan & Color B-Scan data recording with playback on unit & PC. |
| Encoder Input | Single-Axis Encoder Input for real-time probe positioning (mm/inch). |
| Memory Storage | Internal memory for 500 A-Scans + 50 Setups; MicroSD Card slot expandable up to 32 GB. |
| Interface & PC Software | Micro USB slot with USB OTG cable + ArjnSoft software for data transfer, analysis, and A4 reporting. |
| Connectors & Ingress Protection | Dual LEMO 00 / Mini LEMO connectors. Gasket sealed enclosure compliant with IP66. |
| Power & Battery Life | Rechargeable Li-Ion Battery (7.2V, 4AH) giving 8+ hours continuous operation. Internal fast charging + External charging dock station. |
| Dimensions & Weight | 117 mm (H) × 176 mm (W) × 56 mm (D) | 800 grams (with battery). |
Download Official Modsonic Arjun 30 PDF Catalog
Access technical datasheets, probe selection charts, and memory logging specifications in the official PDF document.