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Description
TEK-871 Intrinsically Safe Ultrasonic Level Sensor
- Intrinsically safe ultrasonic 4G NB-loT/CAT-Ml
- Flexible and configurable
- Battery operated
- Integrated Cellular modem
- Supporting GSM (2G), LTE-CAT Ml & NB-loT networks and GPS.
Features
• Accurate, reliable tank level monitoring
• Programmable data reporting interval
• Remote configurability
• 28 slot logger with configurable logging interval
• Easy to install
• Minimum 1 year warranty
• CE Conformance, ROHS and PTCRB Compliant
• International Approvals
• Programmable alarms
- Full alert
- Empty alert
- Spill alert (bunded tanks)
- Fill alert
- Low and High levels
- 24/7 Monitoring
• Reports local temperature, radio signal strength, and battery level
• External antenna option for underground locations
• Mounting/attachment options - wall/pole
Specifications
Specifications
Brand
Ultrasonic Range
- >12cm to 4.7" to 157" at 20°C(-4°F) (Note 1)
Ultrasonic Resolution
- ±lcm / ±0.4"
Accuracy
- Typically ±2cm from 12cm to 3m / ±0.78" from 4.7" to 118"
Communication
- LTE CAT-Ml or NB-IoT or 2G
Signal Divergence
- See polar plot (Note3)
Battery Life
- Up to 10 years (Note 2)
Altitude Range
- <2Km/l.25miles above sea level
Range 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
Radio Frequency
- Cat Ml/Cat NBl: L TE FDD: Bl/B2/B3/B4/BS/B8/B12/Bl3/B18/B19/B20/B26/B28 LTE TDD: B39 (For Cat Ml Only) EGPRS: 850/900/1800/1900MHz
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
Material compatibility
- (Note 4)
Software Features
- Includes Tekelek's advanced sonics with quality parameters
GNSS (GPS)
- GPS, GLONASS, BeiDou/Compass, Galileo, QZSS
Tank Mounting Options
- Sensor fits directly into 1 ¼", 1 ½" or 2" BSP existing tank connection
External connection
- P68 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-Ml cellular network and delivers its payload using a proprietary Tekelek binary
Fixing/Mounting
- Screw mounts ( 4), tie wrap, & pole mount features are standard.
Notes
- Note 1: Range de-rates to 30cm / 8" < 0°C
- Note 2: Based on 1 communication per day and good network coverage
- Note 3: The maximum spatial diversion of the ultrasonic signal is shown on a polar plot included with this datasheet.
- Note 4: Suitable for use in tanks for the storage of water diesel fuel, kerosene, oil types A2,Cl,C2 and D as defined by BS2869
Applications
Applications
• Liquid Level Ultrasonic level sensor
• Fuel - oil, Kerosene, Diesel
• Lubricants
• Additives
• Other hazardous/non hazardous
• DEF / Adblue
• Coolants
• Water
• Waste Oil
• Wastewater
• Chemicals - *This product may not be suitable for monitoring of certain corrosive and hazardous chemicals. List of product compatible chemicals to be verified with a Tekelek representative.
• Fixed, portable and underground tanks
• Ensure continued supply
• Optimise delivery or collections
• Spot and continuous inventory measurement
