GL-JD3
Three-component Nodal Seismometer
Main application fields:
Coal mine and metal ore detection
Shallow geological survey
Exploration of coal mining voids
Geothermal resources exploration
Debris flow and landslide disaster warning detection
Urban underground space exploration
Urban building health detection…
OVERVIEW
Description
The GL-JD3 three-component node seismometer is a wireless seismic device integrating horizontal and vertical orthogonal sensors, high-performance data acquisition modules, GNSS time servers, and lithium batteries. Featuring wireless charging and data transmission without physical contact, it enables convenient deployment and data recovery. Real-time data transfer can be achieved through either WiFi or optional 4G modules. Combining high-sensitivity detectors with low-noise data acquisition and precision clock services, it ensures long-term accurate recording of seismic wave signals. With IP67-rated protection, this device withstands harsh terrestrial environments and is suitable for resource exploration, geological surveys, urban subsurface space detection, and various applications.
Product Features
▶ Autonomous acquisition + on-site wireless quality control
▶ Wireless real-time transmission waveform
▶ Wireless charging and data recovery
▶ Select 4G module for remote waveform real-time observation
▶ Built-in GNSS, positioning and timing module
▶ Tilt Angle Measurement
▶ Low cost, low power consumption, wide bandwidth
▶ Stable structure, reliable performance, suitable for field work
▶ Option: charging data downloader/cabinet/shelf
Technical Parameter
Physical Index
●Size:105mm×105mm×145mm(H)(withouttailcone);
●Weight:about1.9kg(withouttailvertebra);
●Workingtemperaturerange:-30℃~+70℃;
●Protectionperformance:IP67;
●Storagecapacity:32G(64G,128Goptional);
●Powersupply:internalrechargeablelithiumbatterypack;
●Workingtime@25℃:25days(continuouscollection),48days(work12hours,sleep12hours);
●Chargingtime:Wirelesscharging,lessthan8hours;
●Datareadbacktime:wirelessreadback,lessthan2hours(32G);
●Timingandtimingaccuracy:Timingaccuracy:+/-10μsTimingaccuracy:lessthan1ms/h;
●Positioning:BeidousinglemodeorBeidou/GPSmulti-modeoptional;
Collection Indicator
●ADCbits:32bits;
●Samplingoutputinterval:0.25ms,0.5ms,1ms,2ms,4ms;
● Preprogrammableamplificationgain:x1,×2,x4,x8,x16,x32,x64;
●Gainprecision:0.50%;
●Analogsignalinputrange:+2.5Vp/GAIN;
●Real-timedynamicrange@4ms:127dB@x4gain;
●Equivalentinputnoiseat4ms:0.22uVrms@x4gain;
●Totalharmonicdistortion:-114dB@x1gain;
●Inputsignalbandwidth@0.25ms:OHz~1652Hz;
● Anti-aliasingfilter:linearorminimumphasefilter,-3dBbandwidth82.6%Nyquistfrequency;
●Programmablehighpassfilter:0.1~10Hz;
Horizontal/vertical detector indicators
●Naturalfrequency:5±0.5Hz;
●Roaddamping:0.6±10%;
●Opencircuitsensitivity:80±10%V/m/sor200±10%V/m/soptional;
●Distortion:≤0.2%;
●Lateralnaturalfrequency:≥160Hz;
●AllowabletiltAngle:≤10°.













