OMNI-TILT HT SGHT-15 CLEARER IMAGE Very Low distortion: HIGHEST RELIABILITY Demanding Validation Process EXTREME WORKING CONDITIONS Operating Temperature: -40°C / +70°C GeoWave® II The SGHT-15 is a new high temperature omni-tilt geophone. Qualified up to 205°C, it is compatible with all vsp tools in the market. Its high sensitivity specifications make it also well adapted to microseismic and hydraulic fracturing monitoring surveys. Note: Sercel reserves the right to change its specifications without prior notice.
All specifications are typical at 20°C 8 Nominal Horizontal 0° to 180° Natural frequency 15 Hz ± 5% -5% to +15% Coil resistance 2350 Ω ± 5% ± 5% Sensitivity 52.0 V/m/s (1.32 V/in/s) -15% to +5% -15% to +5% Open circuit damping (without damping resistance) 0.50 -15% to +15% -20% to +15% Distortion (@ 15 hz & 1.8 cm/s pk-pk) (@ 15 hz & 0.7 in/s pk-pk) ≤ 0.2% ≤ 0.9% Spurious frequency ≥ 365 Hz ≥ 280 Hz Coil excursion pk-pk Moving mass 7.4 g