STS-5A

 

The STS-5A is a borehole broadband-seismometer comprised of a Streckeisen STS2.5 high-performance broadband seismometer and a motorized gimbal system for in situ leveling. STS-5A can be directly interfaced to Quanterra Q330-family of recording systems for leveling, centering, calibration and remote control in general.

The version STS-5A-360 offers a response extended to 360 seconds.

Features

  • Automatic leveling. ±5°
  • Directly connectable to a digitizer
  • For boreholes up to 500 m depth
  • Low power, less than 450 mW

STS-5A Operating Range

Information



For more information (Instruction manual, nominal transfer function, Calibration sheet etc.) please consult the Kinemetrics support site. (Login required)

Specifications

Sensor element arrangement

Galperin-type three components

Application

Posthole, Borehole up to 500 m depth

Frequency Range

120 s (8.33 mHz)  - 50 Hz

Sensitivity

1'500 Vs/m

Signal Outputs

Seismic Signals: ±20 V diffe­rential (40 Vpp), 220 Ω Impedance, Auxiliary signals: ±10 V single ended, 1 kΩ Impedance

Comunication

Control lines (Fast Response, Calibration), POS/​RAW), 3-30 V, 0.5 mA. RS-422 Interface

Power Supply

10-30 VDC, galva­nically isolated. 0.45 W typical, 2.0 W maximum

Tilt Range (operating)

±0.05°

Tilt Range (adjustable)

±5°, automatic leveling

No centering Temperature Range

±25°C

Environmental Conditions

-20°C .. +70°C (performance), -40°C .. +70°C (functional), 0-100% RH

Features

360 s version available

Enclosure

stainless steel, IP-68

Size (∅ x h), Weight

146 mm x 470 mm, 20 kg (5.752 x 18.52, 44 lbs)

Shipping

STS-5A, instruction manual

Accessories (order separately)

Cable (22 m, 40 m, 120 m, 220 m, other lengths on request)

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