Sistema de Monitoramento de Nível de Água Compacto AQUA LOGGER HS

AQUA-LOGGER-HS

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Compact water and wastewater measuring station that works with a submersible pressure transmitter. The station uses a contact measurement method: the transmitter is immersed in water or another liquid.

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A difference of the radar sensor, the measurement with a pressure transmission consumes much less energy. The station is especially dedicated to sites where frequent data sampling is required.

Aqua Logger HS COMPACT works with a set of lithium batteries placed inside the housing. With a measurement taken every 10 minutes and the transmission of data made every 4 hours, the station can operate continuously for a minimum of 10 years.

Aqua Logger HS Compact is a device dedicated to the monitoring of the water level in natural environments and in difficult conditions, such as wastewater wells or wastewater pumping stations. The measurement is made with the use of a hydrostatic probe calibrated with the data logger. The water level is measured by calculating the hydrostatic pressure of the liquid column in the probe placed at the bottom of a water tank. All measured data is sent to the data server through the GSM network.
The data logger and the GSM modem are integrated with a set of lithium batteries in a solid housing of compact size (220x120x90mm). Such size allows easy installation in narrow places with limited access. In addition, there are three levels of protection available: IP67, IP68 and IP67 ATEX.
The ultra-low power consumption of the station marks it out between similar devices used to measure the water level.
With typical measurement and GSM transmission configuration, the device is ready to work continuously for more than 10 years in a set of batteries. For example, if the measurement is made every 10 minutes and the data is updated every 3 hours, the station will operate for at least 10 years, including self-discharge and battery wear. Such prolonged working time in a battery pack provides uninterrupted operation time of the device.
The online access to the configuration of the measurement and transmission intervals is one of the crucial features of the Aqua Logger HS Compact. It allows efficient management of the station by increasing the frequency of measurement in crisis situations when rapid access to data is extremely important. To maintain full control over Aqua Logger, immediately after a threshold value is exceeded, the user receives a text message or an email.

Measurement range

0 … 4m; 0 …. 8m or 0 … 20m

Probe type

Ceramics, Al2O3 (96%)

Sensor output signal

4 … 20mA

Accuracy at 250C)

± 0,3% of measuring range

Probe working temperature

-10°….+70°C

Long-term stability (1 year)

± 0,2%

Probe’s housing

Stainless steel 1.4404 (AISI316L), IP 68 (2.0 bar; 20 m), dimensions 96 x Ø 25mm

Probe’s wiring material

PUR

Data transfer type

GSM / GPRS

Data logger working temperature

-40°….+60°C

Power supply

built-in packet of lithium batteries with rated voltage 14,4V, 19Ah capacity

Standby power consumption

<250μW

GPRS transfer power consumption

~360mW

Measurement power consumption

~100mW

Single measurement time

<2s

Average data transfer modem activity time

18 … 22s typically

 

Approx. working time without battery replacement

data update – 60min, data sampling–10min         >5 years data update – 10min, data sampling–10min>2 years

Data transfer interval

in range: (1min)….(24h)

Measurement interval

in range: (1min)….(24h)

Internal memory

50 000 records

 

Registered technical parameters

Electronics’ temperature, power supply voltage, GSM signal, modem activity during last data transfer, cabinet door open

Text alarms

For medium level and chosen technical parameters

Tightness levels available

IP67, IP68 and IP67ATEX

Data logger housing

Polyester 220x120x90mm

 

 

Housing versions

IP67, IP68 and IP67ATEX

Additionally, each version has following options:

-internal antenna /external wiredantenna

-lid openingalert

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