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ecoLog 800

The ecoLog 800 features a complete in-well solution for groundwater measurement and flexible remote data transmission options.

Application: Surface water, Groundwater
Measurement technology: Vented pressure cell and 4-electrode graphite conductivity cell
Parameters measured: Water level/Pressure, Water temperature, Conductivity
Product Highlights: Measures, stores, and transmits water level and temperature data
Measurement range: 0 … 4, 10, 20, 40, and 100 m
Accuracy: ± 0.05% FS
Internal data logger: Yes

Features
  • Remote data transmission: receive data, status messages, and low power warnings from the office via SMS, FTP, HTTP, and e-mail, eliminating field visits for data download and troubleshooting

  • Complete in-well solution: all components are inserted into the groundwater well, eliminating the possibility of instrument vandalism
  • Battery life: up to 10 years with lithium batteries, alkaline options are also available. All batteries are field-replaceable without additional tools
  • Long-term accuracy: a robust ceramic pressure cell will not deform over time, and an accurate 4-electrode conductivity measuring cell provides outputs for salinity and total dissolved solids (TDS)
  • User-friendly interaction: only one program required to setup unit and download data, plus a simple infrared communication interface that provides easy on-site data download 

Specs

Water level measurement

 

Measuring range

0 ... 4 m, 10 m, 20 m, 40 m, 100 m

Accuracy

±0.05 % FS

Long-term stability

±0.1 % / year FS

Resolution

0.001 m/0.1 cm/0.01 ft/ 0.1 inch/0.0001 bar/0.001 psi

Units

m, ft, inch, bar, psi, Pascal

Temperature measurement

 

Measuring range

-25 °C ... +70 °C

Accuracy

±0.1 °C

Resolution

0.01 °C

Units

°C, °F

Conductivity measurement

 

Measuring range

0 ... 2000 µS/cm

Accuracy

±1 µS/cm or ±0.5 % of measured value (whichever is higher)

Resolution

1 µS/cm

Units

µS/cm, mS/cm

Measuring range

0.1 ... 100 mS/cm

Accuracy

±0.01 mS/cm or ±1.5 % of measured value (whichever is higher)

Resolution

0.01 mS/cm

Unit

mS/cm

Electrical data

 

Power supply

 

Alkaline C cell

2 x 1.5 V (only for version with GSM/GPRS-Modem)

Lithium type

1 x 3.6 V/13 Ah or
1 x 3.6 V/26 Ah

Battery life (hourly measurement, one transmission/day)

Lithium battery (26 Ah)

>10 years

Alkaline batteries (only for version with GSM/GPRS-Modem)

> 1 year

Modem

GSM/GPRS 900/1800, 850/1900 MHz

GSM/GPRS; UMTS/HSPA+
900/1800, 850/1900 MHz; 800/850,
900, AWS 1700, 1900, 2100 MHz

Antenna

Built-in; robust and weather-proof, external antenna optionally available (SMA-m)

Communication interface

Infrared (IrDA)

Data logger

 

Measured value memory

4 MB, approx. 500,000 measured values

Sampling/storage interval

5 seconds ... 24 hours

Installation

≥ 2"

System length

2.0 m ... 200 m ±1 % ±5 cm (cable length incl. communication unit and pressure probe)

Dimensions L x Ø

 

Probe

317 mm x 22 mm

Communication unit

520 mm x 50 mm

Weight

 

Probe

Approx. 0.43 kg

Communication unit

Approx. 0.92 kg (incl. batteries)

Housing material

 

Probe

Stainless steel (DIN 1.4539, 904 L?)

Communication unit

Aluminium, PA-GF

Environmental conditions

 

Operating temperature

-30 °C ... +85 °C

Storage temperature

- 40 °C ... + 85 °C

Type of protection

 

Probe

IP68

Communication unit

IP67

EMC limits

Acc. to EC 204/108/EC, ETSI EN 301 486-1/-7, EN 61326-1
EN 60950-1:2006 + A11:2009 + A1:2010


Documents
Brochure
Manual
Related Categories
Water Quality Multiprobes
Dataloggers
Telemetry