Japan, Tokyo Sokushin
Tokyo Sokushin SAMTAC-802C Digital Data Recorder
Product: made in Japan
Manufacturer: Tokyo Sokushin
Model: SAMTAC-802C Digital Data Recorder
Survey of an underground structure
After-shock, micro-earthquake and microtremor measurement
SAMTAC-802 series
24bit, 3 or 6 channels
26 hours operation by internal battery Storage media:
CF card: SAMTAC-802C
Hard Disk: SAMTAC-802H
SAMTAC-802C, 802
Pre Amp | |
Channels | 3 channels(CF card: 802C-3 / HDD: 802H-3) 6 channels (CF card: 802C-6 / HDD: 802H-6) |
Input | Differential |
Input impedance | 100kΩ |
Gain | 0, 20, 40, dB |
Range | ±10.24V at 0dB |
Offset Drift | 0.25μV / ℃ |
Noise | 4μV /(rms) |
Low-pass Filter | fo = 200Hz, 18dB / Oct |
AD converter | |
Resolution | 24bit |
Dynamic Range | 130dB |
Bandwidth | 0 to 0.8Nyquist Digital Filter |
Sampling Rate | 50, 100, 200, 400, 500Hz |
Full scale Error | 1% |
Full scale drift | 60μV / ℃ |
Triggering | |
Mode | Micro tremor / Earthquake |
Level trigger | 1mV ~ 9.999V (1mVstep) AND, 2AND, OR |
Pre-event memory | 0 to 255sec. |
Post-memory | 0 to 255sec. |
Timing | |
Base | ±0.05PPM (MCXO) |
Synchronization | GPS |
GPS power control | Manual, Continuance Time window |
⊿t | Measurable (0.3μsec.) |
Storage | |
Media | CF card (2GB) or Hard Disk (80GB) |
Max. Recording | 26 hours (card), 510 days (HD), 3ch 100sps |
Header | Time of event instrument location (Latitude. Longitude. Elevation. Serial number) |
Capacity | 2GB (CF card), 40 to 80GB (HD) |
Set Parameters | |
Manual | 10 key and 10 function key |
Functions | Time window / Trigger condition / Trigger channel / Sampling frequency / Amp gain / Buffer size / Offset cancel |
Display & Function | |
Type | 160 × 160 dot liquid crystal, with back light |
Display | 3ch wave display (input wave, recorded wave) parameter, GPS time & position, A/D check, LCD check |
Auxiliary | |
RS-232C interface | Via modem of direct communications, data retrieve, parameter setting, self-check, or memory remaining. |
Power supply For External sensors | ±15V (80mA) |
Power supply | |
Line input | AC85 to 220V(Max. 3A) DC10 to 40V(Max. 4W) GPS on : +2W H.D on : +12W |
Internal Battery | 7.2V, 5.4Ah (Lithium ion) × 2 Operate time
Max. 30hours without external power source, (Continuance recording mode. GPS off, No external sensor power supply) |
Environmental | |
Operating Temperature | 0℃ to 55℃ |
Dimension | 330 (W) × 316 (H) × 180 (D) mm |
Weight | Approx. 6kg |
Accessory | |
GPS Antenna | Cable length 5m |
Input Cable | 1.5m × ch |
Power Cable | AC cable 1.5m, DC cable 1.5m |
Soft ware | |
Type | Microsoft Windows compatible |
P-wave | Wave monitor, FFT analysis. Filter(L.P.F, H.P.F) Integral, Differential |
VSE-15D
Model | VSE-15D | Dynamic Range | Approx. 140dB |
Span | ±0.1m/s | Max. Output | ±10V |
Frequency Range | 0.2 to 70Hz | Calibration Coil | 6μA / Gal |
Sensitivity | (Low) 100V/m/s (High) 1000V/m/s | Power Requirement | ±15V |
Resolution | 10-7 m/s2 (10-5Gal) | Environment | -30℃ to 70℃, 90%Rh |
Recorder
SAMTAC-802C or 802H
The specification may change without notification because of the proved product.
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