FAQs & Knowledge Base

Yes—IP65 housing (ABS+PC), 8.4″ industrial LCD, detachable battery (≥7 h), and a rugged, portable 2.0 kg host. The standard kit includes the impact-echo tester, impact hammer, two impact-echo signal collectors, connection cables (2 pcs), USB drive, power adapter, and an instrument case.

It measures effective prestress under anchors in post-tensioned bridge structures using the reverse tension method. Typical uses include checking effective prestress under single-strand anchors and detecting non-uniformity within a tendon group or at the same section. It references standards such as T/CECS G:J51-01-2020, JTG/T F50-2011, and CQJTG/T F81-2009.

The system provides automatic load control, intelligent multi-stage pressure management, and dual safety protection values (initial stress, design control stress, warning limits) for safe staged pressurization—even in harsh conditions. Real-time monitoring plus wireless data upload support cloud-enabled reporting and management.

Yes. It combines a lightweight high-pressure micro pump (up to 70 MPa, full-oil weight ≤28 kg, 60 V DC lithium battery/AC power) with a 12.1″ high-brightness LCD host (wireless/wired, ≥30 m wireless range). The single-strand hydraulic unit offers 2 displacement channels, 1 pressure/1 force channel, displacement error ≤0.1% FS, load accuracy ≤0.5 grade, 0–250 kN pressure range; the special jack is front-clamp type, 270 kN nominal tension, 57 MPa nominal oil pressure, φ19 mm center hole, 100 mm max stroke.

It provides fast internal imaging and defect localization for municipal/industrial drainage pipelines, water-conservancy culverts, integrated utility corridors, cable ducts, tunnels, large storage tanks and tank trucks; it’s also suitable for field reconnaissance and disaster search & rescue.

It uses high-power wireless transmission with stable operation up to 100 m, Android/Windows control, and supports real-time video, snapshots, zoom, lighting control, and laser ranging from the terminal—improving efficiency and safety.

The integrated probe (IP68) has a 2.14 MP HD camera with 1080p imaging, 20× optical + 10× digital zoom, 360° infinite pitch rotation (no blind spots), laser ranging 0.1–100 m (±0.02 m), electric lens defogging, and hot-swappable batteries (3 included) for continuous operation. Operating temperature: −10 °C to +55 °C.

Its dual-helix propulsion is designed for high-water-level, silt-heavy, muddy, and sandy conditions where conventional crawlers struggle. It’s IP68 rated, suitable for pipes ≥500 mm diameter, and supports ultra-long inspections (customizable up to 1000 m).

Standard cable length is 300 m (optional up to 1000 m). Travel speed reaches 0.58 m/s in still water (about 0.3 m/s against backflow). The automatic cable reel features a high-precision encoder (±0.1 mm), motorized winding/unwinding with adjustable brake tension, emergency stop, multi-layer auto-spooling, and a 300 kg tensile-strength cable.

It integrates a 4 MP PTZ front camera plus 2 MP rear camera, a laser rangefinder (0.1–12 m, ±1%), and a 2 MHz sonar (0.05–6 m, 0.5 mm accuracy). Control software supports real-time video/sonar/laser data display, camera PTZ and lighting control, snapshots/recording, on-screen annotations, data visualization, and report generation. Wireless and wired modes are available; dual-battery runtime is up to ~3 h.

It combines an eight-thruster submersible (free forward/back/ascend/descend/roll/tilt) with 4K anti-shake optical imaging + 2 MHz sonar, so you can inspect water-filled pipelines and shafts without drainage or tow cables. It quantifies silt deposition, generates longitudinal silt profiles and 3D visuals, and supports one-click reporting—ideal for high-groundwater cities.

Max depth 100 m, top speed 1.5 m/s, endurance ≥4 h (200 Wh battery), operating −10 °C to +45 °C. The camera records up to 4K/30 fps (12 MP stills), with 2×2000 lm LED lighting. The 2 MHz sonar has 1.1° beam width and 0.5 mm resolution (within 125 mm). The probe is IP68 and supports pipe diameters DN300–6000 mm.

A modular automatic cable reel (standard 300 m, customizable; 300 kg tensile-strength cable) provides motorized in/out, adjustable brake, emergency stop, and ±0.1 mm encoder readout overlaid on video. Control is via 2.4G/5G Wi-Fi remote/tablet (HDMI 1080p output), with a compact aluminum-alloy body (< 4.5 kg) for portability; overall underwater vehicle weight is ~8 kg including sonar and battery.

It performs 360° sonar inspections in water-filled pipelines and underground cavities (e.g., municipal/industrial drainage pipes, culverts, detection wells). The rotating probe produces HD images, auto-calculates silt depth/width/volume, builds longitudinal silt profiles with 3D visualization, and supports one-click on-site report generation—so you don’t need to drain pipelines.

Applicable pipe diameter DN300–6000 mm; probe IP68, 2 MHz sonar with 1.1° beam width and 0.5 mm resolution (within 125 mm). Operating 0–40 °C (non-freezing). Wireless acquisition/control up to ~10 m. Referenced standards include CJJ 181-2012, DB31/T 444-2022, DB44/T 1025-2012, and functional-classification specs Q/BDG JS001-GW05-2012 / JS002-GW05-2012.

A floating body carries the sonar; an automatic cable arrangement reel with ±0.1 mm encoder provides accurate cable-out length, with manual winding/unwinding, emergency stop, and AC/DC power options. The standard kit includes the sonar probe, automatic cable reel, floating cylinder, safety ropes, tools, and a portable equipment case; control is via Windows laptop or Android tablet.

It performs shear-wave velocity and micro-tremor period testing for geotechnical site investigations and seismic site classification—supporting building-site category classification and the acquisition of seismic design parameters for large engineering foundations.

The system uses instantaneous floating-point amplification with high-SNR circuitry to capture both strong and weak signals without distortion, plus a lever-type triaxial downhole geophone that maintains stable wall coupling for high-fidelity shear-wave records.

Sampling interval 5–20,000 μs, bandwidth 0.1–4000 Hz, 3 sampling channels + 1 external trigger, multi-core 16-bit A/D, 12.1″ touchscreen, detachable lithium battery (≥6 h), operating −20 °C to +55 °C, and 3.2 kg host. It references GB/T 50011-2010, GB 50021-2009, and GB/T 50269-2015 for seismic design and dynamic soil testing.

It provides HD 1080p real-time imaging of boreholes and prestressed pipe piles, supports 360° panoramic viewing and rotatable 3D columnar views, and can measure verticality with an integrated inclinometer—useful for foundation pile inspection, geological exploration, and structural quality assessment.

A lightweight manual winch (no external power required) with a stainless-steel camera probe enables one-person operation. Control is via wireless laptop/tablet (up to 10 m), and the system offers ≥10 h battery life for field work.

It’s a non-contact digital image system for whole-field deformation monitoring of large structures such as bridges, tunnels, buildings, dams, slopes, towers, and lifting machinery. It supports multi-point, real-time measurements for long-term structural health and safety evaluation.

Typical monitoring distance is 1–1000 m; resolution is 0.01 mm within 10 m. Nominal accuracy: ≤0.02 mm (0–10 m), ≤0.1 mm (10–50 m), ≤0.3 mm (50–120 m), ≤1 mm (120–300 m), ≤10 mm (300–1000 m). Dynamic sampling is 1–40 Hz (up to 40 Hz) with up to 90 points per instrument at 40 Hz; static points are unlimited (≥1 Hz).

The compact base station (160×340×61.5 mm) uses a single power+data cable, supports Ethernet/4G/RS485, remote control, resume after power loss, and dual local+cloud storage for 24/7 operation from −40 ℃ to +85 ℃. Applicable standards include GB 50026-2020, GB 55018-2021, GB 50911-2013, JGJ 8-2016, GB 50982-2014, and GB/T 50308-2017.

It’s a non-contact, high-precision digital image deformation monitoring system for real-time structural monitoring. Typical applications include highways, railways, bridges, tunnels, utility corridors, buildings, dams, cranes, and towers, supporting safety evaluation and predictive maintenance.

A single device supports up to ~90 points at 40 Hz dynamic sampling, with 0.01 mm resolution within 10 m via sub-pixel algorithms. It offers ultra-wide coverage (nearly 100 points and up to 700 m coverage at 1000 m distance) and can be expanded by multi-station cascading.

It integrates a digital monitoring base station and B/S architecture platform for remote access/adjustments via PC or smartphone, with dual data backup, anti-interference algorithms, and all-weather monitoring using industrial cameras/infrared targets. The standard kit includes the digital image instrument, base station, mounting hardware, cables, and infrared targets. Applicable standards listed include GB 50026-2020, GB 55018-2021, GB 50911-2013, JGJ 8-2016, GB 50982-2014, and GB/T 50308-2017.

It’s a dual-channel, non-contact system for static and dynamic deflection/displacement/vibration of large structures (bridges, towers, tunnels, cranes). Using stereo photogrammetry with UAV-assisted calibration, it delivers real-time 2D/3D measurements and guided reporting for field work.

Working distance is 0.01–1000 m with 1/250,000 FOV precision and 0.001 mm resolution. Typical accuracy is ±0.015 mm @10 m, ±0.5 mm @100 m, ±5 mm @500 m. It supports ≥500 Hz video and ≥50 dynamic 3D points @300 Hz (static points unlimited).

It’s marker-less under natural light (targets recommended at night). Standard configuration includes two cameras (tester units), two lenses, two tripods, industrial computer (2 units), chargers, CXP/USB cables, and cases; it references bridge/monitoring specs such as JTG-T-J21-01-2015, GB 50982-2014, GB/T 50308-2017, and others.

Probe Ø60 mm, 300 mm length, 5 MP sensor (2592×1944), 25 fps video, max test depth 300 m, max hoisting speed 10 m/min, depth accuracy 0.5%, and applicable borehole diameter Φ60–Φ400 mm. It references T/CECS 253-2022 (Standard for Borehole Imaging Testing of Foundation Soils and Foundations) and supports .doc/.pdf report exports.