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Stevens - Viper
Viper is a data acquisition platform that offers features comparable to the Stevens’ Steelhead system. It enables remote configuration, data processing, alarm notifications, and system interaction through secure online access from any location. The Viper is specifically designed for long-term temperature monitoring of high-powered utility electricity systems using PT100 temperature sensors. It allows for quick setup—typically within a few minutes—and it begins logging data and generating reports based on specified intervals and alarm conditions. The system is configured to log data every four hours and produce reports every 24 hours, supporting continuous operation for up to 10 years on internal batteries without the need for charging or calibration.The Viper is an underground transformer monitoring solution, designed for long-term deployment and is extremely affordable.
According to a 2021 U.S. Commerce Department report, the average age of large power transformers used in electricity distribution in the U.S. is 38 years, with 70% of transformers older than 25 years (1). There are~ 5.1 million “aged” underground transformers in the U.S.
The Viper Solution is easily deployed in a few minutes and begins logging data and reporting based on the required intervals and on alarm conditions. We recommend logging every four hours and reporting every 24 hours to generate the required data while allowing up to 10 years of continuous service on internal battery without any charging or calibration.
The SkyView360 platform is customizable for each customer’s requirements for monitoring, alarming, and management.
Physical Design
- IP68 (Dust & waterproof) enclosure and connection with built-in GPS, cell modem, battery, barometric, humidity, and tempurature sensors.
Communications
- Data reported to SkyView360 cloud or third-party.
- Configuration , data viewing, and data download over cloud- based program or via Bluetooth using app.
- Alarm events with auto change of logging and report frequency during the event.
Station Performance Analysis
- Transformer tempurature and other optional measurements.
- Network connection health of overall performance, power, individual measurements, and communications.
- Humidity, temperature, and barometric pressure.
- Remote power cycle command.
- Advance diagnostic.
Sensor Data
- Logging Interval: Configurable from 1 min to 24 hours
- Reporting interval: Configurable from 5 min to 24 hours
- Data records: 450,000 records typically. Memory is 64 MB non-volatile Flash Memory. Stored on a FIFO basis
Sensors
- Supporting Sensor Types: PT100 - RTD
- Connectors: M12 Connector
- Optional sensor inputs: Up to 30 parameters using MODBUS over RS485 and SDI-12
- Internal Barometer: Range: 300 to 1250 hPa | Absolute accuracy pressure (typ.): +/- 0.5 hPa;
- Internal Temperature: Range: -40° to 80° C Accuracy: ±0.2°C typical | ±0.7°C maximum
- Internal Humidity: Range: 0 to 100% RH Accuracy: ±2% typical | ±3% maximum
Communications
- Cellular: 4G LTE Cat-1 with 3G/2G fallback
- Antenna: External antenna: 617 Mhz to 5925 Mhz - approx. 5 dB gain). SMA connector
- Mobile App Communication: BLE 5.0 Bluetooth low energy protocol
Mechanical/Environmental
- Dimension: 240 mm x 170 mm x 60 mm ( 9.44 in x 6.7 in x 2.3 in) | 0.5 kg (1.1lbs) without batteries
- Enclosure: IP 68 | UV-resistant polymer
- Operating Temp: -40°C to + 80°C (-40°F to + 176°F)
- Power: 56AH Non-Rechargeable battery