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P/N: 810103-001 　　　　　　　　　　　　　　　　　　　　　　TYPE: DT-HP103
HIGH PRECISION LOW DISTORTION GEOPHONE ELEMENT
Specifications (all parameters are specified at +20℃)
SPECIFICATIONS	P/N	810103-001
SPECIFICATIONS	Type	DT-HP103
Frequency	Natural Frequency(fn)	10Hz
	Tolerance	±2.5%
	Max. tilt angle for specified fn	10°
	Typical Spurious Frequency	>240 Hz
Distortion	Distortion with 0.7 in/s p.p. coil to case velocity	<0.10%
	Distortion measurement frequency	12Hz
	Max. tilt angle for distortion specification	10°
	Typical distortion (string of 12 geophones in series damped 0.7,measured at 12 Hz)	≤0.03%
Damping	Typical Open Circuit Damping	0.25
	Damping with calibration-shunt 1,339 ohm	0.60
	Damping with calibration-shunt 1,000 ohm	0.69
	Tolerance with calibration-shunt	0 to 5%
Coil Resistance	Standard	375 ohm
Coil Resistance	Tolerance	±2.5%
Sensitivity	Sensitivity	28.8 V/m/s(0.73 V/in/s)
	Sensitivity with Shunt 1,339 ohm	22.5 V/m/s
	Sensitivity with Shunt 1,000 ohm	20.95 V/m/s
	Tolerance	±2.5%
	Moving Mass(g)	11g(0.38 oz)
	Maximum coil excursion p.p.	2 mm(0.08 in)
Physical Characteristics	Diameter	25.4mm(1 in)
	Height	32.0mm(1.26 in)
	Weight	85 g (3.0 oz)
	Operating temperature range	-40℃ to +100℃
Limited Warranty Period		3 years
Note: 　　1、Low distortion and close tolerance geophone 　　2、High quality,reliable and cost effective. 　　3、3 years limited warranty. 　　4、2-D & 3-D seismic application. 　　5、Suitable for land,transition zone,marsh and shallow water environments with different cases.
Warranty: 　　　Warranty excludes damage caused by high voltage and physical damage to the element case.
SPECIFICATION ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE