P/N: 810100-xxx 　　　　　 　　　　　　　　　　　　　　　　　　　　 TYPE: DT-20DX
	GEOPHONE ELEMENT
	Specifications (all parameters are specified at +22℃)
	Type	810100-001	810100-002	810100-003	810100-004	810100-005	810100-006
		20DX-8Hz	20DX-10Hz	20DX-14Hz	20DX-28Hz	20DX-35Hz	20DX-40Hz
	Natural Frequency(Hz)	8±5%	10±5%	14±5%	28±5%	35±5%	40±5%
	Open Circuit Damping	0.38	0.30	0.22	0.27	0.39	0.37
	Damping with 1k ohm Shunt resistor	0.71±5%	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	28	39	41	42
	Sensitivity with Shunt resistor(v/m/s)	23±5%	20±5%	20±5%	28±5%	29.6±5%	30.4±5%
	Coil Resistance (Ohm)	395±5%	395±5%	395±5%	395±5%	575±5%	575±5%
	Harmonic Distortion(%)	≤0.20
	Typical Spurious Frequency(Hz)	≥180	≥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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