Seismographs

Technical Specification

Mini-Seis Seismograph

Size:
210mm x 120mm x 90mm.

Weight:
1.6kg without accessories.
2.8kg with accessories and storage case.

Battery life:
7 to 10 days on internal batteries.
> 1 month with external car battery.

External Power Capability:
AC adaptor/charger.
12V car battery.
Solar panel.

Recording Channels:
3 x vibration.
1 x acoustic.

Frequency Response:
2 to 250Hz @ 1024 samples per second.

Vibration Transducers:
Geophones. Option. Accelerometers.

Vibration Ranges:
Selectable:
16, 32 and 64mm/s. Option. Higher ranges available.

Vibration Resolution:
0.0312mm/s @ 16mm/s range.
0.0625mm/s @ 32mm/s range.
0.125mm/s @ 64mm/s range.

Acoustic Transducer:
Ceramic element microphone.

Acoustic Ranges:
Selectable: 142dB and 148dB.

Acoustic Resolution:
2 Pa @ 142dB range.
4 Pa @ 148dB range.

Memory Capacity:
Approximate 4 second event capacity.

Model	Capacity
1/8M	20-30
1/4M	50-75
1/2M	150-250
1.0M	Max. 341

Note:
All models will store 341 event summaries, including date, time, peak values and frequency values.

Software:
Basic Windows™ software supplied with seismograph. Communication via direct link or modem. Download and archive event data. Analyse and print event record. Frequency analysis.

Option:
Regression analysis
Displacement and acceleration conversion
Response spectra
Transfer functions

EPC-UK reserves the right to change the specification of these instruments without notice