In-Situ Level TROLL 700 level logger

Professional premium level and temperature data logger

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Sub 1-inch In-Situ’s premier full titanium water level, water pressure (absolute or vented) and temperature logger, ideal for groundwater professionals who require higher data resolution, expanded memory and advanced logging modes for specialized applications.

  • Long- and short-term groundwater and surface water level (absolute or vented) and temperature monitoring
  • Several pressure ranges up to 1000 psia (693 m) / 500 psig (351 m)
  • 3D factory calibration
  • Unique anti-drift system
  • Setup, view and download logs via Bluetooth with VuSitu mobile app
  • Titanium construction with less than 1 inch diameter
  • Twist-Lock Cable for deployment and communication  (customized length up to 1200 m)
  • compatible with VuLink telemetry and 3rd part loggers
  • Adavanced logging features

Diameter: 1,83cm
Length: 21,6cm
Weight: 124g
Pressure ranges (absolute): 11m / 60m / 200m / 341m
Pressure ranges (vented): 3,5m / 11m / 21m / 70m / 210m / 351m 
Pressure accuracy: ±0,05% FS from 0 to 50 °C
Temperature ranges: Operational: -20...80°C / Storage: -40...80°C / Calibrated: -5...50°C
Temperature accuracy:  ±0,1°C
Battery life: 10 years or 2M readings
Data records: 250.000
Output options: Modbus/RS485, SDI-12, 4...20 mA
Burst pressure: Max. 2x range; burst > 3x range

More details check datasheet