DL series product catalogue

High-precision dynamic data acquisition unit with 8 analog input channels, 24-bit conversion, -10 to 10 V input range, 0.005 mV resolution, 1 to 10547 Hz synchronized sampling, 16 GB SD storage, UDP and TCP/IP transmission, and GPS, BeiDou, or network time synchronization.

Centralized signal testing and analysis system for large-structure strength and fatigue assessment, supporting quasi-dynamic and dynamic strain acquisition, bridge sensor inputs, thermocouple and voltage measurement, Ethernet expansion, synchronized multi-channel recording, and long-duration data storage.

Static strain testing and analysis system with 8, 16, or 24 measurement channels, supporting full-bridge, half-bridge, three-wire quarter-bridge, common-compensation quarter-bridge, bridge-type force and displacement sensors, voltage measurement, computer control, local operation, storage, and optional battery power.

Distributed torsional vibration monitoring system for rotating shafts, supporting analog and digital pulse sensors, instantaneous angular velocity, average angular velocity, torsional angular velocity, torsional angle analysis, Ethernet expansion, optional PoE, and IEEE 1588 synchronization.

Distributed strain signal acquisition system for scattered measurement points, supporting 8 or 16 channels per module, 24-bit conversion, 1 Hz to 1 kHz per-channel sampling, DC to 35 Hz frequency response, full-bridge, half-bridge, and three-wire quarter-bridge strain measurement, voltage acquisition, and Ethernet system communication.

Distributed multi-parameter signal acquisition system for scattered field measurement points, supporting synchronized quasi-dynamic strain, pressure, force, load, displacement, temperature, and voltage acquisition with 8 or 16 channels per module, 24-bit conversion, RS485 module networking, Ethernet computer communication, and NTP synchronization.

Rugged miniature dynamic data acquisition system for narrow installation spaces and high-shock environments, supporting IEPE, charge, and strain modules, up to 16 channels per system, up to 96 synchronized channels across six systems, USB communication, 32 GB storage, 128 kHz per-channel sampling, online and offline acquisition, and TEDS sensor support.

Static strain acquisition system with 36 or 72 measurement points, wired Ethernet or wireless control, computer and mobile-app operation, full-bridge, half-bridge, three-wire quarter-bridge, common-compensation quarter-bridge, bridge-type pressure, force, load, and displacement measurements, voltage measurement, automatic lead-resistance correction, and bridge self-check.

Distributed network dynamic signal acquisition system for large-structure strength and vibration testing, supporting strain, force, pressure, displacement, velocity, acceleration, IEPE acceleration, acoustic, and voltage inputs, modular Ethernet and PoE expansion, IEEE 1588 synchronization, 24-bit A/D conversion, bridge self-check, TEDS support, and long-duration synchronized dynamic recording.

Array displacement meter for three-dimensional deformation monitoring, measuring displacement, angle, acceleration, vibration, and temperature in tunnel convergence, settlement, dam, slope, tailings, foundation pit, hydropower, and railway monitoring applications, with integrated acquisition and calculation, RS485 or RS232 output, 5-30 VDC power, and IP68 sealing.

Wireless torque testing system for rotating-shaft torque and shaft-power measurement, supporting one analog measurement channel and one speed channel per module, Wi-Fi data transmission, up to 16 single-channel modules per computer, full-bridge and half-bridge connection, 4 kHz maximum sampling, 16-bit A/D conversion, and realtime torque and power display.

High-performance dynamic signal acquisition system for high-precision measurement in strong-interference environments, supporting strain, voltage, IEPE, charge, current, and resistance measurements, channel isolation, +/-500 V common-mode voltage suppression, 16-channel modules, gigabit Ethernet expansion, intelligent lead identification, TEDS support, four-wire bridge excitation, and up to 256 kHz per-channel continuous sampling.

Handheld dynamic signal analyzer for on-site strain, vibration, noise, pressure, force, speed, and displacement acquisition, supporting tachometer and voltage channels, GND, single-ended DC, differential DC, AC, and IEPE inputs, IEPE power, wide voltage ranges, independent operation, touchscreen control, on-device storage, and battery-powered field use.

Wireless dynamic strain acquisition system for large mechanical and civil structure testing, supporting full-bridge, half-bridge, and three-wire quarter-bridge strain measurement, bridge-type acceleration, pressure, force, load, displacement, thermocouple, and voltage inputs, Wi-Fi or wired Ethernet communication, up to 16 four-channel modules per computer, optional GPS or BeiDou synchronization, bridge self-check, and long battery operation.

Portable dynamic signal acquisition system with 16 or 32 synchronized channels, supporting strain, force, pressure, displacement, velocity, acceleration, IEPE acceleration, acoustic, and voltage inputs, USB 3.0 communication, 24-bit A/D conversion, built-in battery operation, TEDS support, bridge self-check, long-duration real-time recording, and field testing or inspection workflows.

Portable dynamic signal acquisition system with embedded computer, 9.7-inch touchscreen, solid-state storage, strain, vibration, noise, force, displacement, pressure, IEPE, voltage, CAN, GPS or BeiDou, tachometer, counter, and video inputs, CAN 2.0B parsing, trajectory recording, channel self-check, TEDS support, rechargeable battery operation, and synchronized data and video analysis.

Dynamic signal testing and analysis system for large-structure strength and service-life evaluation, supporting strain, bridge-type sensors, IEPE acceleration and acoustic sensors, charge sensors, RTD, thermocouple, current-loop sensors, eddy-current, velocity, acceleration, displacement, and voltage inputs, Ethernet or USB 3.0 communication, multi-channel synchronized recording, 256 kHz per-channel sampling, bridge self-check, TEDS support, and long-duration data storage.

Ultra-dynamic signal testing system for shock and blasting tests, supporting stress-strain, bridge-type force, pressure, displacement, velocity, acceleration, charge, and voltage signals, 8M-point per-channel cache, 20 MHz transient sampling, DC to 1 MHz frequency response, gigabit Ethernet expansion, multiple trigger modes, 16-bit A/D conversion, four-wire bridge excitation, and high-speed data transfer.

Portable modal testing system for force-measurement modal experiments, supporting hammer excitation, shaker excitation, single-point pickup, single-point excitation modal analysis, 4 IEPE input channels, USB 3.0 communication and power, 128 kHz per-channel sampling, IEPE acceleration and force sensors, filtering, TEDS support, and long-duration synchronized recording.

GNSS displacement monitoring system supporting full-constellation and multi-frequency GNSS signals, RTK, DGNSS, ground-enhancement, and PPP modes for millimeter-level positioning in bridge, dam, slope, mine, high-rise, tower, and heritage-structure monitoring.

Three-component short-period seismic instrument with electromagnetic force-balance structure, 0.5 to 50 Hz observation band, 2000 V/(m/s) sensitivity, 1 x 10^-8 m/s resolution, greater than 130 dB dynamic range, IP67 protection, and 12 VDC power.

Strong motion recorder with 3 or 6 synchronized analog input channels, 24-bit conversion, -10 to 10 V input range, 0.005 mV resolution, 1 to 2000 Hz sampling, local storage, GPS, BeiDou, or network time synchronization, and field display operation.

Integrated strong-motion instrument combining triaxial force-balance acceleration sensing, 24-bit acquisition, storage, network communication, and GPS timing, with +/-2 g or +/-4 g range, 0 to 200 Hz bandwidth, event-triggered recording, and IP67 protection.

Seismic intensity instrument for earthquake intensity quick reporting and earthquake alarm applications, integrating three orthogonal MEMS acceleration sensors and 24-bit acquisition with EW, NS, and UD components, TCP/IP network transmission, NTP and GNSS timing, event triggering, and PGA, PGV, and PGD parameter output.

Low-frequency vibration sensor for acceleration, velocity, and displacement measurement, supporting selectable measurement ranges, 0.17 to 100 Hz low-frequency response depending on range, passive signal output, and structural microtremor or weak-vibration measurement.

Force-balance acceleration sensor for seismic and structural vibration monitoring, with +/-2.0 g measurement range, 0.000002 g acceleration resolution, 2.5 V/g sensitivity, selectable 0-30 Hz, 0-100 Hz, or 0-200 Hz response, high dynamic range, online calibration, and low-power operation.

Portable blasting vibration monitor with three 100 kSPS channels, included sensor set, field display and keypad operation, local recording controls, USB storage support, LAN interface, charging interface, and use in blasting vibration measurement and field vibration event recording.

Wireless triaxial acceleration sensor for structural vibration monitoring with selectable +/-2 g, +/-4 g, or +/-8 g range, 0.1 mg minimum resolution, 0 to 125 Hz bandwidth, 4G transmission, IP66 enclosure, and 9-24 VDC power.

Wireless dynamic tilt sensor for structural inclination monitoring with +/-90 degree range, 0.0055 degree minimum resolution, 1 to 50 Hz sampling, DC to 10 Hz bandwidth, 4G transmission, IP66 enclosure, and 9-24 VDC power.

Wireless static strain acquisition system for structures where cabling is difficult, supporting full-bridge, half-bridge, two-wire and three-wire quarter-bridge strain inputs, bridge-type sensors, voltage signals, ZigBee communication, 8 points per module, up to 256 points per computer, and 20 Hz per-point sampling.

VWP-G Smart Submersible Water Level Meter is designed for long-term installation in piezometer tubes of hydraulic structures or geotechnical slopes. It measures water level variation inside piezometers and can also be used for long-term monitoring of water level changes in reservoirs, rivers and lakes. The sensor adopts a full stainless steel structure and has a compact size of 24 x 136 mm, making it easy to install in piezometer tubes larger than 1 inch. It outputs RS485 digital signals, supports automatic barometric pressure compensation and synchronously measures the temperature at the embedded point.

VWS-5/10F Smart Vibrating Wire Surface Strain Gauge is designed for long-term installation on the surface of hydraulic structures or other structures. It measures surface strain variation of the structure and synchronously measures the temperature at the installation point. The surface strain gauge adopts a full stainless steel integrated structure with anti-rotation, anti-bending, impact-resistant and drop-resistant design. It provides grounding lightning protection and can work underwater for long periods. Its low elastic modulus gives good follow-up performance with the measured structure and helps avoid disturbance to the original stress field.

VWD-J Smart Vibrating Wire Joint Meter is designed for long-term installation inside or on the surface of concrete structures and other material structures. It measures the opening and closing displacement of expansion joints or peripheral joints, while synchronously measuring the temperature at the embedded point. The joint meter uses a VWD vibrating wire displacement meter as the sensing core and is assembled with supporting installation accessories. The instrument adopts a full stainless steel integrated structure with anti-rotation, anti-bending, impact-resistant and drop-resistant design. It provides grounding lightning protection and is suitable for long-term underwater operation.

CJ-1 Smart Hydraulic Settlement Gauge is designed for long-term settlement monitoring inside and outside engineering structures. It is widely used for dams, bridges, slopes, foundations, highway embankments, civil and industrial buildings, and internal or external settlement deformation monitoring of backfill soil. The hydraulic settlement gauge is composed of a silicon pressure sensor and supporting accessories. It can be installed as a single monitoring point or used in multi-point networked measurement systems. The sensor body adopts a full stainless steel structure with compact 24 x 136 mm size, impact resistance, grounding lightning protection and stable long-term operation.

GN-1B Smart Fixed Inclinometer is designed for measuring horizontal displacement, vertical settlement and landslide deformation of engineering structures such as earth-rock dams, concrete face dams, geotechnical slopes, embankments and foundation pits. Used together with an inclinometer casing, the sensor can be repeatedly measured and is suitable for automatic data acquisition in long-term monitoring projects. The fixed inclinometer uses a high-precision MEMS sensor with reliable performance, fast stabilization and stable measurement values. It outputs RS485 digital signals and can directly provide engineering values such as displacement or angle. The embedded point temperature can also be measured synchronously.

Automatic Inclinometer Automatic Inclinometer is a fully automatic measurement system designed for deep horizontal displacement monitoring. The complete system integrates automatic measurement, automatic lifting, automatic cable winding, automatic data transmission, automatic storage and automatic warning into one intelligent monitoring solution. The system consists of a GN-1 high-precision MEMS inclinometer probe, integrated control console, automatic winch box, inclinometer mobile App and data management cloud platform. It supports automatic measurement and control, helping users improve field measurement efficiency and reduce manual operation.

GN-103Q Bluetooth Inclinometer Reader is a smart data acquisition device designed for reading measurement data from the GN-1 inclinometer. The reader connects wirelessly to a mobile phone or tablet via Bluetooth. Through the mobile App, users can operate the instrument, control the measurement process, store data, generate real-time charts and tables, and synchronize measurement data to the cloud platform. This solution helps project teams complete field measurement on site while enabling remote staff to view, edit and share measurement results in real time. It is suitable for geotechnical monitoring, borehole inclinometer measurement, slope monitoring, foundation pit monitoring, dam monitoring, tunnel monitoring and other construction safety monitoring applications.

GDA16 Series Multipurpose Datalogger is a full-function data acquisition unit designed for long-term online monitoring projects. It adopts a stand-alone structure and integrates measurement, transmission and power supply in one compact unit. The aluminum alloy enclosure provides protection against water, dust, ultraviolet exposure and electromagnetic interference, making it suitable for outdoor engineering monitoring environments. The GDA16 Series supports flexible 1, 4, 8 and 16-channel configurations. Each channel can be used for multiple types of sensor signals, including vibrating wire, differential resistance, resistance, current, voltage, switch and digital output signals. Sensor channels can be freely combined, and different sensor types can be connected to the same unit according to the project requirements.

GDA1602(16) Multipurpose Datalogger is a full-function data acquisition unit designed for automatic collection of multiple sensor signals. It supports 1-to-16 sensor signal acquisition and provides 32 measurement channels for vibrating wire, differential resistance, resistance, current, voltage, switch and digital output sensors. The device supports flexible channel combination, smart mixed sensor access, remote network switching, smart sensor information recognition over distance >=1600 m, smart sensor fault diagnosis over distance >=1600 m, sensor cable length measurement, baseline value matching and cloud one-click sensor configuration.

MCU-40 Distributed Modular Automatic Measurement Unit is a universal distributed data acquisition system designed for engineering safety monitoring. It can automatically measure and record signals from multiple types of sensors, including vibrating wire, differential resistance, resistance, current, voltage, switch, digital output and RS485 sensors. The system consists of the MCU-40 automatic measurement unit as the master control unit and multiple GDA110X full-function measurement modules. The modular design allows flexible configuration, independent module operation and plug-and-play expansion. It is suitable for both single-unit operation and multi-unit networked monitoring.