Contact us
Tel: +86-10-81202963
Fax: +86-10-81202927
P.O.Box 12, Zhuozhou City, Hebei Province, P.R.China 072750.
HIGH PRECISION GEOPHONES
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- 产品描述
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Main Specifications:
Type SD10A SD10B Natural Frequency 10±2.5% 10±2.5% Open Circuit Damping 0.30 0.316 Damping with Shunt1K Resistor 0.70±2.5% 0.70±2.5% Open Circuit Intrinsic Voltage Sensitivity 28 27.5 Sensitivity with Shunt 1K Resistor 20±2.5% 19.7±2.5% Open Circuit Resistor 395±2.5% 395±2.5% Resistor with Shunt 1K Resistor 283±2.5% 283±2.5% Harmonic Distortion <0.1 <0.1 Moving Mass 11 11.2 Typical Case to Coil Motion p-p 1.5 1.52 Spurious Frequency ≥250 ≥250 Allowable Tilt 10° 10° Life Warranty Years 3 3 Operating Temperature -40°C to +70°C -40°C to +70°C
