Laserfiche WebLink
-- -- <br /> xEQ-aoo <br /> 30 OCT 75 <br /> <br /> 4 SYSTEIi SPECIFICAT70NS <br />1 <br /> . <br />' 1.4.1 GENERAL <br /> • Size : ............... 18k" x 12~" x 9~C" (46cm x 32® s 24 cm) <br /> <br /> • Height : ............. 32 Lbs. (14.5 Rg) (excluding seismometer) <br /> Maximum Voltage <br />' Sensitivity: ........ 3 x 105 cm/volt <br /> • Minimum Voltage <br /> Sensitivity: ........ 3 cm/volt with input attenuator, 3 x 102 <br /> cm/volt without input attenuator <br />' Power Requirements: Internal batteries, +12VDC and -12VDC <br /> • Velocity <br /> Sensitivity (Sv):.... 5 6 x iDs cm/cm/sec, maximum <br /> • Displacement <br /> Sensitivity (Sd):..., 3 ,c/n` cm/cm, maximum at 10 Heitz <br /> • Temperature Range ... 0° to 50°C (32° to 122°F) <br />• <br /> 1.4.2 AMPLIFIER <br /> • Voltage Gain: ....... 1 x 103 minimum, 1 x 106 maximum <br /> i <br /> • Cain Control: .... 60 dB to 120 dB in 6 dB increments <br />' Gain Stability: ..... ± lz <br /> Noise Referred To <br />' Input : .............. .3 microvolt peak <br /> '` Unfiltered Frequency <br />' Response: ........... 3 dB points at .3 Hz and 70Hz <br /> • Frequency Band Pass <br /> Limits : ............. .3Hz, SHz, or lOHz (low end) and <br /> SHz, lOHZ, 30Hz, or 70Hz (high end) <br /> • Input Impedance: ,.,, lOD R ohms <br /> <br /> Typical system performanc o curves for voltage eonei[iviey <br /> a[ maximum gain input are shown in Figure 1-1. DB to current <br /> or voltage ratio conversions are contained in Table 1-2. <br /> <br />1-4 <br />