GURALP

모델명 : 3ESPC

제품용도 : 지진계(Weak Motion Seismometer)

3ESPC

 

▶ SPECIFICATION

 

▶ SYSTEM

• Configuration / Topology: Triaxial orthogonal (ZNE)

• Feedback: Force feedback

 

▶ SENSOR PERFORMANCE

• Response: 60 s - 100 Hz ( option 120 s to 100 Hz )

• Output sensitivity / Clip Level:  2000 V/ms-1 (2 x 1000 V/ms-1, other options available)

• Peak / Full scale output: Three channels - ±20 V (40 V peak-to-peak) differential

• Cross axis rejection: >62 dB 

• Linearity: >107 dB horizontal, >111 dB vertical 

• Lowest spurious resonance: 140 Hz (vertical)

• Self-noise below NLNM(New Low Noise Model: Peterson, 1993, USGS): 30 s(0.03 Hz) to 16 Hz

• Sensor Dynamic range: >140 dB

 

▶ CALIBRATION

• Type: Pulse, sine wave and broadband

• Calibration controls: Independent signal & enable lines exposed on sensor connector

 

▶ MASS / MASS MONITORING

• Locking: Remote or automatic mass locking, unlocking and centring

• Operating tilt range: +/-2.5° from horizontal

 

▶ CONTROL

• Mass control / locking: Lock, unlock, centre

 

▶ CONNECTIONS

• Analogue output: 26-pin military specification bayonet connector

 

▶ POWER

• power voltage range : 10-36VDC

• power consumption : 0.75W

 

▶ PHYSICAL/ENVIRONMENTAL

• Operating temperature: -20 to 65°C

• Operating humidity: 0 to 100%

• Enclosure ingress protection: IP68

• Weight: 8.4kg

  

▶ 지진계 모델별 주파수 범위 및 노이즈 자료