Digital seismometer CME-4311ND
CME-4311ND is a digital 3-component low-noise broadband seismometer. A bandwidth of up to 60 sec provides recording the most remote teleseismic occasions. With its reasonable price, the seismometer can be used for most applications as an optimal solution for a price/quality ratio.
CME-4311ND is excellent not only for permanent installations but also for field seismological surveys through the model’s integrated digital recording system, compact size, light weight, rugged case, easiness in operation and low power consumption.
Characteristics Delivery and warranty
| Sensitivity axes | Vertical, North, East |
| Clip level | 5 mm/sec |
| Frequency range | 0.016 (60 sec) - 50 Hz or by customer specification |
| Dynamic range at 1 Hz | 121 dB |
| Cross-axes sensitivity | -60 dB |
| Non-linearity at 1 Hz1 | 0.5 V / (m/sec) |
| Temperature range | -40°C - +55°C - extended range |
| Supply voltage | 12 V Nominal (9-36 V Optional) or 5 V from USB |
| Power consumption | < 600 mW |
| Cold-start time | 10 - 30 min |
| Maximum installation tilt | ±15° |
| Leveling, mass locking | Not required |
| Noise performance | -155 dB (relative to 1 m/sec2√Hz) |
| Intrinsic noise | 35.6 nm/sec (142.4 µV) for 0.0167 – 50 Hz bandwidth |
| Connector type | 10-pin PC-10 multipurpose connector SMA-A for active/passive GPS/GLONASS antenna SMA-A for Wi-Fi antenna Amphenol Straight Panel Mount USB-B |
| Delivery set | 1.5 m USB A-B cable 3 m GPS antenna Wi-Fi antenna SMA A/B adapter 32 GB microSD card installed 0.6 m PC-10 USB cable 1.5 m Analogue cable |
| Weight | 5.3 kg |
| Dimensions | 180 x 195 mm (diameter x height, including handle) |
| Case | Aluminum |
| Data transfer | USB 2.0, Wi-Fi |
| Data storage | 32 Gb (flash) |
| Inbuilt sensors for device health monitoring | Temperature, supply voltage |
| ADC noise performance | 20.4 ENOB at gain = 1 |
| GNSS timing accuracy | < 1µs |
| ADC sampling rate | 1, 10, 50, 100, 250, 500, 1000 Hz |
| GNSS receiver | GPS / GLONASS |
| Data recording mode | Continuous, Schedule |
| Gain coefficients | 1, 2, 4, 8, 12 |
| Data recording format | Internal binary, miniSeed, SEG converters provided |
| ADC sampling rate | 24 bit |