TELLUS-C BROADBAND COMPACT SEISMOMETER
LUNITEK - Seismometers - x
TELLUS-C Compact Broadband Seismometer is a high-performance, triaxial seismometer designed for precise seismic monitoring. Featuring a >135 dB dynamic range, customizable 120s-20s to 100Hz bandwidth, and 2000V/m/s transduction factor, it ensures reliable and accurate data acquisition. Built with Galperin configuration for noise isolation, IP68K-rated aluminum housing, and low power consumption (40mA @12V), it is ideal for both field and laboratory applications. Perfect for seismic networks, event detection, and early warning systems.
$7.800,00
OVERVIEW
Description
The TELLUS-C is a high-quality, compact broadband triaxial seismometer designed for easy deployment and safe transport. Utilizing the Galperin configuration, this advanced design helps distinguish external noise sources from internal ones, enhancing performance.
The Tellus-C seismometer offers a customizable flat band-pass between 120s-20s and 100Hz, allowing adaptability for various seismic applications. The high transduction factor of 2000V/m/s ensures precision in data acquisition, and the 40Vpp differential output enables seamless integration with modern seismic monitoring systems.
Built for field and laboratory applications, the Tellus-C is housed in corrosion-resistant aluminum, featuring IP68K weather protection for harsh environments. Its magnetic shielding and low thermal sensitivity ensure stability across a wide temperature range.
Why Choose TELLUS-C?
🔹 Precision & Reliability – High dynamic range and excellent low-noise performance
🔹 Durability & Protection – Robust IP68K-rated aluminum housing
🔹 Easy Integration – Customizable frequency range and output options
🔹 Field & Laboratory Ready – No mass locking/centering required, with low power consumption
Additional information
| Weight | 5 lbs |
|---|---|
| Dimensions | 30 × 30 × 30 in |
FEATURES
✔ Dynamic Range: > 135 dB (0.1 – 10 Hz)
✔ Frequency Range: 120s-20s to 100 Hz (customizable)
✔ High Accuracy & Low Self-Noise
✔ Robust, Compact, and Lightweight
✔ Precision Factory Calibration
✔ IP68K Protection for Harsh Environments
✔ Low Power Consumption & Good Thermal Stability
✔ 100% Italian Design & Manufacturing
APPLICATIONS
✅ National Seismic Networks
✅ Regional & Tele-seismic Event Monitoring
✅ Magnitude Estimation & Event Detection
✅ Site Response Analysis
✅ Ground Displacement & Early Warning Systems
✅ Volcanic Eruption Monitoring
SPECIFICATIONS
| Category | Specification |
|---|---|
| Typology | Galperin arrangement, force-feedback capacitive transducer |
| Velocity Output | XYZ (H and V motion) or UVW (masses motion) |
| Bandwidth | 120s-20s to 100 Hz (customizable) |
| Dynamic Range | >135 dB (0.1 Hz – 10 Hz) |
| Transduction Factor | 2000V/m/s (customizable) |
| Self-Noise | Below USGS NLNM (0.03 – 10 Hz) |
| Output | – Velocity differential: 40Vpp XYZ – Mass position: Single 10Vpp |
| Clip Level | 13mm/s |
| Tilt Tolerance | ±3° |
| Output Impedance | 2 × 100 Ohm |
Calibration & Control
| Category | Specification |
|---|---|
| Calibration | Dedicated calibration coils (analog test signals) |
| Mass Locking & Centering | Not required |
| Digital Interface | RS232 commands and diagnostics |
| Control Lines | GPIOs and analog outputs |
Power & Protection
| Category | Specification |
|---|---|
| Supply Voltage | 9 – 36 V DC (isolated input) |
| Power Consumption | 40mA @12V |
| Protection | Reverse-voltage, overvoltage, and surge-protected |
| Grounding | Pre-drilled hole for secure installation |
Mechanical & Environmental Specifications
| Category | Specification |
|---|---|
| Housing | Corrosion-resistant aluminum |
| Connectors | MIL-STD 26-pin male (mounted on top) |
| Leveling | Integrated bubble level and adjustable locking leveling screws |
| Weight & Dimensions | – Outer Diameter: 100 mm – Height: 125 mm – Weight: 1.5 kg |
| Cable | 3m standard (custom options available) |
| Shock Resistance | MIL STD 810G |
| Operating Temperature | -20°C to +50°C |
| Storage Temperature | -40°C to +80°C |
| Humidity | 0 – 100% |
| Weather Resistance | IP68K-rated for extreme conditions |













