SL966 borehole datalogger for water level temperature and conductivity

  • pressure measurement range: 0 to 250m WC (please specify required depth at order)
  • temperature measurement range: -25°C to +85°C
  • process connection: see ordering code & drawings below
    • closed
    • open
  • pressure measurement accuracy: <=+/- 0.10%FS
  • pressure measurement 1 year stability (typical/maximum):
    • 5 to 20 mWC: < 0.2% FS / < 4 mBar
    • 20 to 250 mWC: < 0.1% FS / < 0.2% FS
  • burst pressure: >200 Bar
  • temperature measurement accuracy: -5°C to +50°C: <= +/- 0.3°C (typical), <= +/- 0.5°C (maximum)
  • resolution:
    • level: measuring range / 16384 (14-bit, i.e. if the range was 0 to 100m, the resolution is 0.006m=6mm)
    • temperature: 0.003°C (14-bit)
    • conductivity: measuring range / 16384 (14-bit)
  • battery lifetime: typically 10 years. 2 x 3.6V lithium size D (batteries can be changed on-site)
  • storage/memory size: 
    • data-format: data are stored in ASCII or CSV format
    • up to 500.000 measurement values correlated with time & date
    • data remains in memory even without battery
  • reusable when memory full: yes
  • sample rate: 1 second to 24 hours
  • dimensions: see drawing below on this page
  • weight: approx 200g
  • material transducer: stainless steel (316L/1.4435), titanium (Gr. 2) 
  • material housing: stainless steel (316L/1.4404), titanium (Gr. 2) 
  • material seals: Viton (standard), EPDM or Kalrez
  • material cable: 
    • PUR (-5°C to +50°C). Maximum pressure <= 25Bar
    • FEP (-5°C to +80°C). Maximum pressure <= 25Bar
    • PE (-5°C to +80°C). Maximum pressure <= 25Bar
  • protection class datalogger: weather proof IP68
  • operating & process temperature: -5°C to +80°C (for operating temperature >50°C PE or FEP cable must be used)
  • storage temperature: -10°C to +80°C
  • conformity: 
    • EN61000-4-2: electrostatic discharge 4kV contact/8kV air
    • EN61000-4-3: irradiated RF 10V/m (0.08 to 1 Ghz) radio sets and wireless phones
    • EN61000-4-4: transients (burst) 4kV motors, valves
    • EN61000-4-5: surge line-line 0.5kV/2ohm line-earth 1kV/12ohm, lightning
    • EN61000-4-6: conducted RF 10V (0.15 … 230Mhz, 3s) frequency inverters
    • EN60068-2-6: vibration 4G (4…100Hz / +/- 3.2 mmpp)
  • optional (see all options in model code below)
    • conductivity measurement (for drinking water applications): on request
    • configuration software and interface lead
    • analysis software for customer hosting
    • annual hosting charge per device
    • vented interconnection cable to compensate for atmospheric changes (specify length and material at ordering in table below, max. 250m)
    • ballast weight 316L stainless steel 1.4435

SL966 brochure

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SL966 borehole waterlevel temperature and conductivity datalogger
0 to 250 mWC, -25°C to +85°C & 0-200mS/cm

Image shows short interconnecting cable for display purposes only. Interconnecting cable can be up to 250m.

Dimensions

SL966 water borehole internet datalogger

Model code

SL966 ordering code

Please check each code on your specific needs and application. Contact us when in doubt.