P/N: 810100-xxxL 　　　　　　　　　　　　　　　　　　　　　 TYPE: DT-20DXLD
	LOW DISTORTION GEOPHONE ELEMENT
	Specifications (all parameters are specified at +22℃)
	Type	810100-002L	810100-003L	810100-004L	810100-005L	810100-006L
		20DXLD-10Hz	20DXLD-14Hz	20DXLD-28Hz	20DXLD-35Hz	20DXLD-40Hz
	Natural Frequency(Hz)	10±5%	14±5%	28±5%	35±5%	40±5%
	Open Circuit Damping	0.30	0.22	0.27	0.39	0.37
	Damping with 1k ohm Shunt resistor	0.70±5%	0.51±5%	0.552±5%	0.612±5%	0.576±5%
	Open Circuit Intrinsic Voltage Sensitivity(v/m/s)	28	28	39	41	42
	Sensitivity with Shunt resistor(v/m/s)	20±5%	20±5%	28±5%	29.6±5%	30.4±5%
	Coil Resistance (Ohm)	395±5%			575±5%
	Harmonic Distortion(%)	≤0.10
	Typical Spurious Frequency(Hz)	≥200	≥250	≥350	≥350	≥380
	Moving Mass(g)	11			8.2
	Typical Case To Coil Motion (p-p)(mm)	1.5(p-p)
	Allowable Tilt	20°
	Unit Diameter(mm)	25.4		27
	Unit Height(mm)	33
	Unit Mass(g)	89		95
	Operating Temperature(°C)	-40℃ to +100℃
	Note: 　　1、High quality,reliable and cost effective. 　　2、3 years limited warranty. 　　3、2-D & 3-D seismic application. 　　4、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

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