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TEK 871 logger

With an ultrasonic level sensor, the battery powered Intrinsically Safe Liquid Level logger is suitable for monitoring tanks levels.

Benefits:

  • Accurate, reliable tank level reporting to server monitoring application
  • Highly configurable server reporting interval from hourly to once per month
  • 28 slot logger with configurable logging interval
  • Accuracy to +/-2cm (0.78”)
  • Optimise delivery or collections
  • Programmable Alarms

    • –High level

    –Low levels

    –Rate of level change (fill or drain)

  • Reports local temperature, radio signal strength, and battery level
  • External antenna option for underground locations
  • Remote re-configurability from the cloud
  • Plug and play installation
  • Mounting/attachment options – wall/pole
  • International compliance.
  • Dimensions
    （Liquid Level logger 4G NB-IoT/CAT-M1 /2G）
  • Dimensions
    （Ultrasonic level sensor Exi）
  • Safety
    （Liquid Level logger 4G NB-IoT/CAT-M1 /2G）     Class I, Div 1, Gr C D CSA.16.70011285 Class I Zone 0 AEx ia IIB T4 Ga Complies with UL 913 II 1 G-Ex ia IIB T4 Ga SIRA15ATEX2103 X IECEx CSA 15.0006X
  • Safety
    （Ultrasonic level sensor Exi）     Class 1, Div 1, Group A,B,C & D T4 Class I, Zone 0 AEx ia IIC T4 Ga Complies with UL 913 SGSNA/20/CA/00003X SGS20ATEX0009X IECEx BAS 20.0005X
  • Housing Material
    （Liquid Level logger 4G NB-IoT/CAT-M1 /2G）     Moulded plastic, 2-part, material Glass Reinforced Polyamide, UV resistant.
  • Housing Material
    （Ultrasonic level sensor Exi）     Moulded plastic, 3- Part, UV Stabilized Polypropylene
  • Weight
    （Liquid Level logger 4G NB-IoT/CAT-M1 /2G）     Weight 350g/12oz(excluding cable & gland/external connectors)
  • Weight
    （Ultrasonic level sensor Exi）     140g/5oz(excluding cable & gland/external connectors)
  • Conformance
    （Liquid Level logger 4G NB-IoT/CAT-M1 /2G）     ATEX/Hazloc/IECEx, PTCRB (AT&T) & Verizon approvals, RED, FCC, CE, RoHS.
  • Conformance
    （Ultrasonic level sensor Exi）     ATEX/Hazloc/IECEx， CE， RoHS.
  • Manual Activation
    （Liquid Level logger 4G NB-IoT/CAT-M1 /2G）     Magnetically activated reed switch / Audible buzzer
  • Manual Activation
    （Ultrasonic level sensor Exi）     N/A
  • Ultrasonic Resolution ±1cm / ±0.4”
  • Accuracy ±2cm / ±0.78”
  • Communication LTE CAT-M1 or NB-IoT or 2G with GPS
  • Signal Divergence See polar plot for the sonic profile included on this datasheet
  • Battery life Up to 10 years (Note 2)
  • Battery technology 3.6V Lithium Thionyl Chloride Exi “Bobbin type” construction
  • Power requirements Battery pack with standard cell sizes connected with a 2 wire harness included
  • Humidity 0 = 100% RH
  • Operating Temperature -4°F to 131°F (-20°C to 55°C)
  • Storage Temperature 32°F to 86°F (0°C to 30°C)
  • Environmental Protection IP68 - Outdoors
  • Installation Plug and play installation
  • External connection IP68 Cable gland / IP68 bulkhead connector
  • Antenna Internal with option for antenna coupler with SMA connector to allow connection of an external GSM antenna
  • Data Communications Makes a TCP connection to the server over 2G, NB-IoT or CAT-M1 cellular network and delivers its payload using a proprietary Tekelek binary
  • Fixing/Mounting Screw mounts (4), tie wrap, & pole mount features are standard.

? Liquid Level Ultrasonic level sensor

? Kerosene, Diesel, Gasoline

? Oils/Waste Oils

? Other hazardous/non hazardous

? DEF / Adblue

? Water

? Tanks

? Fixed or mobile

? Underground

? Spot and continuous inventory measurement