The IMV SW-74T seismometer provides acceleration measurement from 0.1 to 3000 Gal, LCD touch display, RS‑422/RS‑232 interfaces, and IP67 waterproof housing.
The IMV SW-74T is a wall‑mounted seismometer intended for real‑time earthquake monitoring and intensity reporting. It offers a wide acceleration range, visual status indicators, and built‑in data logging.
Key features include a 0.1–3000 Gal measurement range, LCD touch panel with green/orange/red backlight, RS‑422 for monitoring and RS‑232 for management with X/Y/Z outputs, DC 4–20 mA analog output, IP67 waterproof construction, and operation from AC 110 V (50/60 Hz). This manual is written in Chinese.
| Acceleration measurement range | 0.1~3000 Gal |
|---|---|
| Intensity display method | Based on Central Weather Bureau intensity scale |
| Display screen | LCD touch panel with green/orange/red backlight |
| Alarm contact output | FAULT, three‑stage high limit (5~999 Gal) configurable |
| Analog output | DC 4–20 mA, load 0–300 Ω |
| Communication interface | RS‑422 (monitoring) and RS‑232 (management, X/Y/Z outputs) |
| Frequency response | 0–30 Hz (-3 dB) |
| Mounting method | Wall‑mounted |
| Waterproof rating | IP67 |
| Operating temperature range | 0–50 °C |
It measures acceleration from 0.1 to 3000 Gal.
It offers RS‑422 for monitoring and RS‑232 for management with X, Y, Z outputs.
The seismometer is rated IP67 for water and dust protection.