DT-HP102 (P/N:611000100)
High Precision, Low Distortion Geophone Element
Low distortion and close tolerance geophone
High quality, reliable and cost effective
3 years limited warranty
2-D and 3-D seismic application
Suitable for land, transition zone, marsh and
shallow water environments with different cases
Specifications (all parameters are specified at + 25° C)
Frequency Natural Frequency (Fn) 10 Hz
Tolerance ± 2.5%
Max. Tilt Angle for Specified (Fn) 20°
Typical Spurious Frequency >250 Hz
Distortion Distortion with 0.7 in/s p.p. Coil to Case Velocity < 0.10%
Distortion Measurement Frequency 12 Hz
Max. Tilt Angle for Distortion Specification 10°
Typical Distortion (string of 12 geophones in series
≤0.03%
damped 0.70, measured at 12 Hz)
Damping Typical Open Circuit Damping 0.316
Damping Calibration-Shunt Resistance 1,000 ohm
Damping with Calibration-Shunt 0.7
Tolerance with Calibration-Shunt ± 2.5%
Coil Resistance Standard 395 ohm
Tolerance ± 2.5%
Sensitivity Sensitivity without Shunt Resistor 27.5 V/m/s (0.698 V/in/s)
Sensitivity with 1000 ohm Shunt Resistor 19.7 V/m/s (0.500 V/in/s)
Tolerance ± 2.5%
Physical Moving Mass 11.2 g (0.395 oz)
Characteristics 1.52 mm (0.060 in)
Maximum Coil Excursion p.p.
Diameter 25.4 mm (1 in)
Height 33.0 mm (1.30 in)
Weight 86 g (3.03 oz)
Operating Temperature Range -40° C to +100° C
Warranty excludes damage caused by high voltage and physical damage to the element case.
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE.
© DTCC 08/16