NivuLog SunFlow - Self-Sufficient Flow Measurement Flow Meter
From Flow Measurement - Polluted Media - Flow Meter
Self-sufficient measurement station with integrated data transmission via GPRS. For discontinuous flow measurement in slight to heavily polluted media
Product Details
- olar-powered flow measurement station independent from mains power
- Extremely robust and compact IP68 enclosure
- Solar panel protected by armoured glass
- Integrated rechargeable buffer battery and charging control
- Direct connection of sensors using encapsulated terminal housing
- Adjustable measurement and transmission cycles
- Storing, processing, indication and calculation of measurement data using D2W – Internet portal Device to Web
The NivuLog SunFlow is a self-sufficient, solar-powered flow measurement station independent from mains power with integrated GPRS data transmission. The discontinuous flow measurement is suited for slight to heavy polluted media in open channels, flumes as well as in part filled and full pipes.
The NivuLog SunFlow is designed for flow measurement, storage and transmission of data in locations without mains power supply. The very robust aluminium cast enclosure with IP68 protection is covered with armoured glass and contains all necessary components such as data logger, modem, charging control and rechargeable batteries. Thanks to the compact construction it is perfectly suited for use in free and rough terrain. A Doppler flow velocity sensor type KDS with optional integrated level measurement is connected directly to the system.
Moreover there are 4 multifunctional inputs (analog/digital) available. These inputs allow to connect e.g. external level measurements or float switches for measurement release. Readings are saved in free adjustable cycles and are transmitted to the data recording system 'Device to Web' via GPRS. The measurement place parameters can be set via D2W as well. This allows a quick start-up. The NivuLog Sun Flow represents an interesting and cost-efficient alternative to the conventional control cabinet with solar panel.
Typical NivuLog SunFlow applications
Flow measurement in stormwater tanks, channel networks, irrigation channels, mine water cleaning plants, natural streams etc.
Optional Accessories
Robust mast holder set for fastening and adjustment of the measurement station on a mast with diameters between 70 – 90 mm. Material stainless steel 1.4571
Technical Specification:
General
- Power supply: 10 W solar panel and 2 rechargeable batteries (13.6 Ah each)
- Backup-Akku: Rechargeable battery pack AP413D+: 2x rechargeable Lithium-Ion battery, pre-configured with 13.6 Ah
- Enclosure:
- Material: Aluminium casting, armoured glass
- Weight: 15 kg (incl. backup battery)
- Protection:: IP68 (with terminal housing locked and cable glands tightened)
- Dimensions (whd): 308x520x80 cm (incl. antenna)
- Operating temperature: -40...+60 °C
- Storage temperature: -40...+85 °C
- Max. humidity: 90 %, non-condensing
- Display: LED for indication of operation modes and error codes (visible only with terminal housing opened)
- Operation: Magnet switch (can be accessed with terminal housing opened only) to trigger ALOHA transmission mode
- Aerial: Fixed dome antenna
- Sensor connection: 1 active compact Doppler sensor Type KDS connectable (flow velocity; combi sensor with additional level measurement)
- Universal input:
- 4 x analog or digital modes:
- 0...20mA: resolution 6µA, max. 22.5mA, load 100Ω
- 4...20mA: resolution 6µA, max. 22.5mA, load 100Ω
- 0...2V: resolution 610µV, max. 2.5V, load 220k1
- 0...10V: resolution 8.3mV, max. 32V, load 8k9
- PWM: 1...99%, max. 100Hz, min. impulse duration 1ms, load 8k9
- Frequency: 1...1000Hz, 8k9
- Digital: max. 32V, low2.73 V, load 8k9
- Digital LP: max. V Batt , low200 mV, load 220 k1
- Day counter: min. impulse duration 20 ms, load 8 k9
- Interval counter: min. impulse duration20 ms, load 8 k9
- Outputs:
- 1 x switchable sensor power supply
- 24...31 V DC, max. 41 mA
- Interner Temperatursensor: 1 x built-in fixed temperature sensor
- External temperature sensor: 1 x temperature sensor (optional accessory)
- Data memory: Internal flash memory with a capacity of up to 14.030 measurement cycles
- Datentyp: f32 (32 Bit floating point)
- Data transmission: Using GSM/GPRS quad-band modem to according D2W server
- SIM: Built-in fixed long-life SIM chip (no customer SIM modules usable)
- Monthly data volume: See 'NivuLog Prepaid” data tariff
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