TECHNICAL CHARACTERISTICS GUARDIAN DA

• Sensor type: MEMS accelerometer
• Number of axes: 3, orthogonally oriented
• Measure range: ±2g, ±4g, ±8g optional on request
• Dynamic range: 73 dB @1000Sps, 83 dB @100sps, 93dB @10sps (2 g model)
• Noise density: 22.5μg/√Hz typ.

TECHNICAL CHARACTERISTICS GUARDIAN DA-PLUS

• Sensor type: MEMS accelerometer
• Number of axes: 3, orthogonally oriented
• Measure range: > ±10g
• Dynamic range: 125 dB @1000Sps, 141 dB @100sps, 157dB @10sps
• Noise density: 0,25 μg /√Hz typ @100 sps

GENERAL CHARACTERISTICS GUARDIAN DA AND DA-PLUS

• Samples rate: 10, 25, 50, 100, 200, 250, 500, 1000sps
• Timing: Internal 0.5ppm drift free run RTC, NTP, optional internal GNSS
• Recording Mode: Continuous recording with SeedLink Protocol. Configurable event recording when thresholds are exceeded with selectable pre-/post-trigger length. Recording of signal statistics (min, max, average, RMS) with selectable intervals from 10 to 100s.
• Dynamic range: 73 dB @1000Sps, 83 dB @100sps, 93dB @10sps (2 g model)
• Data Storage: 32 GB internal microSD
• File formats: Solgeo EVE, MiniSEED, Ascii, CSV

ENVIRONMENTAL CHARACTERISTICS

• Operating Temperature: -20 ÷ +70 °C without internal battery -20 ÷ +50 °C with internal battery*
• Storage Temperature: -40 ÷ +90 °C without internal battery -20 ÷ +50 °C with internal battery
• Humidity: 0-100%

* during battery charge, the recommended temperature range is less extensive

PHYSICAL CHARACTERISTICS

• Weigh: 1,2Kg
• Dimensions (LxPxA): 130 mm L x 160 mm W x 80 mm H
• Enclosure: Aluminium cabinet, painted
• IP grade rating: IP67

OPTIONAL CONFIGURATIONS

• Power over Ethernet (PoE)
• Internal battery (up to 20 working hours)
• Internal GNSS receiver for time synchronization.

• Technical sheet