LSI Lastem MW9070 Geoelectrical Monitoring System (1.6 * 10^10 Ω)

Electrode distance: 3.0 m

Initial stretch length: 4.5 m

Length EL 1-24: 69.0 m

Cable total length: 73.3 m

Monitored profile length (2 cables): 141.0 m

Current Injection Circuit

Number of channels: 48 electrodes

Current range: 0.001 – 0.4 A

Current resolution: 120 µA

Current measurement resolution: 1 µA

Accuracy: < 60 µA

Electrode voltage measurement: automatic range switching

Input impedance: 1.6 * 10^10 Ω

Noise filtering: automatic 50 / 60 Hz

0.47 V range: Resolution: 1 µV; Accuracy: 70 µV

4.7 V range: Resolution: 10 µV; Accuracy: 700 µV

Range: -55 to +150 °C

Resolution: 0.1 °C

Accuracy: ±0.3 °C

Power supply: 115 – 230 V AC, 50/60 Hz

Backup battery: 40 Ah

Solar panel: 50 W

Power consumption: 150 mW (low power mode, modem off); 5 W (low power mode, modem on); 7 W (standby); 115 W (maximum during measurement)

Maximum operating time: ~10 days (1 measurement/day, ~40 minutes per measurement)

Enclosure dimensions: 730 × 530 × 270 mm

Enclosure weight (without battery): 13.5 kg

Protection rating: IP66

Nominal voltage: 300/500 V

Test voltage: 4000 V

Operating temperature: -50 to +80 °C

Environmental resistance: chemicals, UV, ozone, industrial

Material: Stainless steel AISI 316

Plate: 230 × 128 mm, thickness 1 mm

Rod: length 400 mm, Ø10 mm

Automatic voltage disconnection in case of fault: ~4 seconds

Datasheet