OTT ecoLog 500 Water Level Logger
Water level sensor with built-in datalogger for surface and groundwater applications
The OTT ecoLog 500 is a complete system for water level and temperature measurement. Designed for full deployment inside groundwater wells as well as surface water applications, the OTT ecoLog 500 offers data and alarm message transmission options via SMS, HTTP, FTP and e-mail, giving users flexible remote data access from their office.
- Surface water, Groundwater
- Vented pressure cell
- Waterlevel/Pressure, Water temperature
- Measures, stores, and transmits water level and temperature data
- ± 0.05% FS
- Yes
- 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, all batteries are field-replaceable without additional tools
- Long-term durability: a robust ceramic pressure cell, kevlar-reinforced cable, and high-quality 904 L stainless steel housing provide lasting quality
- 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
Continuous or real-time water level measurement of:
- Groundwater wells
- Streams, rivers, channels, and canals
- Reservoirs, lakes, and wetlands
Ideal for monitoring:
- Continuous water level networks
- Short-term or long-term projects
- Events
- Pump-tests
- Landfill groundwater levels
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OTT ecoLog 500 - CE Konformitätserklärung | Declaration of Conformity | Declaration de Conformité
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OTT ecoLog 500 3G - CE Konformitätserklärung | Declaration of Conformity | Declaration de Conformité
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OTT ecoLog 500/800 installation accessories
OTT ecoLog 500/800 installation accessories
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OTT Water Logger Operating Program
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USB interface drivers - OTT IrDA-Link USB - EN
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Download PDF
Download PDF
| Water level measurement | |
| Measuring ranges | 0 ... 4 m, 10 m, 20 m, 40 m, 100 m |
| Pressure resolution | 0.01 % FS |
| Pressure accuracy | ±0.05 % FS |
| Long-term stability | ±0.1 % / year FS |
| Temperature measurement | |
| Measuring range | -25 °C ... +70 °C |
| Temperature resolution | 0.1 °C |
| Temperature accuracy | ± 0.5 °C; higher accuracy optionally available |
| Electrical data | |
| Power supply | Lithium cells, 3.6 V/13 Ah or Lithium cells, 3.6 V/26 Ah |
| Battery life @ 1 h measurement interval & one transmission per week | |
| Lithium-battery, DD | approx. 10 years |
| Alkaline batteries, CC (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, weather-proof, external antenna optionally available |
| Interface at site | Infrared (IrDA) |
| Memory | 4 MB, approx. 500,000 measured values |
| Sampling/storage interval | 5 seconds ... 24 hours |
| Installation | ≥ 2" |
| Environmental conditions | |
| Operating temperature | -30 °C ... + 85 °C |
| Storage temperature | -40 °C ... + 85 °C |
| Dimensions L x Ø | |
| Communication unit | 520 mm x 50 mm |
| Probe | 195 mm x 22 mm |
| System length | 2 ... 200 m ±1 % ±5 cm (Cable length incl. communication unit and pressure probe) |
| Material | |
| Communication unit | Aluminium, PA-GF |
| Sonde | Stainless steel (DIN 1.4539, 904 L ) |
| Weight | |
| Communication unit (w/o. batteries) | approx. 0.920 kg |
| Probe | approx. 0.300 kg |
| Type of protection | |
| Communication unit | IP67 |
| Probe | IP68 |
| EMC limits | According to EG 204/108/EG, ETSI EN 301 486-1/-7, EN 61326-1 EN 60950-1:2006 + A11:2009 + A1:2010 |
Where do I configure a maintenance window like in the existing ecoLog 500?
Maintenance windows are not available anymore because a dial in via a modem (CSD) is not possible anymore. This is not supported by 4G (LTE) and will be or is already discontinued for GSM/GPRS by the most providers as well.