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The Levelogger Junior Edge provides an inexpensive alternative for measuring groundwater and surface water levels and temperature. The Levelogger Junior Edge combines a pressure sensor, temperature detector, a datalogger, and 5-year battery (based on a 1-minute sampling rate) in one compact 7/8″ x 5.6″ (22 mm x 142 mm) stainless steel housing.
The Levelogger Junior Edge records absolute pressure using the same durable Hastelloy pressure sensor as the Levelogger Edge. The Hastelloy® sensor has excellent performance in harsh environments with better temperature compensation and thermal response time, and can withstand 2 times overpressure without permanent damage.
The Levelogger Junior Edge features FRAM memory, with a capacity of 40,000 sets of temperature and water level data points. Readings are linear at a user-defined interval between 0.5 second to 99 hours. Accuracy is 0.1% FS, with lifetime factory calibration.
If greater accuracy, more sampling options, or wider depth ranges are required, the Solinst Levelogger Edge has the functionality to suit your application (see Model 3001 Levelogger Edge Data Sheet). For conductivity datalogging, Solinst also offers the LTC Levelogger Edge (see Model 3001 LTC Levelogger Edge Data Sheet).
| Level Sensor: | Piezoresistive Silicon with Hastelloy Sensor |
|---|---|
| Ranges: | 5,10 m |
| Accuracy: | ± 0.1% FS |
| Resolution: | 0.02% FS to 0.01% FS |
| Units of Measure: | cm, m, ft, psi, kPa, bar, (ºC, ºF) |
| Normalization: | Automatic Temp Compensation |
| Temp Compensation Range: | 0ºC to 40ºC |
| Temperature Sensor: | Platinum Resistance Temperature Detector (RTD) |
| Accuracy: | ± 0.1ºC |
| Resolution: | 0.1ºC |
| Battery Life: | 5 Years (based on 1 reading/minute) |
| Operating Temperature: | – 20ºC to 80ºC |
| Clock Accuracy: | ± 1 minute/year (- 20ºC to 80ºC) |
| Memory: | FRAM |
| Maximum Readings: | 40,000 sets of readings |
| Communication: | Optical Infrared to USB, RS232, or SDI-12 |
| Size: | 7/8″ x 5.6″ (22 mm x 142 mm) |
| Weight: | 4.2 oz. (119 grams) |
| Wetted Materials: | 316 Stainless Steel, Delrin®, Viton®, Hastelloy |
| Sampling Mode: | Linear, Real Time View, Future Start |
| Measurement Rates: | 0.5 sec to 99 hours |
| Barometric Compensation: | Data Wizard and Barologger Edge |
| LT Models | Full Scale (FS) | Accuracy | Resolution |
|---|---|---|---|
| M5 | 5 m (16.4 ft.) | ± 0.6 cm, 0.020 ft. | 0.02% FS |
| M10 | 10 m (32.8 ft.) | ± 1.0 cm, 0.032 ft. | 0.01% FS |
Features
- Low cost
- Accuracy of 0.1% FS
- Memory for 40,000 data points
- Robust Hastelloy pressure sensor
- Basic and advanced data compensation options
Operation
Programming the Levelogger Junior Edge is the same as with the Levelogger Edge. An Optical Reader or PC Interface Cable connects the Levelogger to a laptop or desktop PC. The intuitive Levelogger Software automatically detects the type of Levelogger that is connected. Programming, downloading, data management and export are intuitive tasks. The Real Time View option allows immediate viewing of live water level and temperature readings, independent of the scheduled programming intervals.
The Levelogger Junior Edge outputs temperature and temperature compensated water level readings. Using the Data Wizard in the Levelogger Software, you can barometrically compensation multiple Levelogger Junior Edge files simultaneously, with just one Barologger Edge file.
The Levelogger Junior Edge is compatible with Levelogger Series accessories, including the Solinst Levelogger App and Interface, the DataGrabber data transfer device, SDI-12 Interface Cable, and Solinst Telemetry Systems.
These compact dataloggers are straightforward to deploy. Installation can be with direct read cables, by stainless steel wireline or Kevlar® cord suspension, with the option of using Solinst 2″ Locking Well Caps.
Applications
- Monitoring water levels in wells and surface water
- Pump and slug tests
- Reservoir and stormwater runoff management
- Watershed and drainage basin monitoring
- Stream gauging, lake and wetland monitoring
- Tank level measurement
| Model 3001 |  |
 |
|---|---|---|
| Levelogger Edge | Levelogger Junior Edge | |
| Warranty | 3 Years | 1 Years |
| Pressure Transducer | Piezoresistive Silicon with Hastelloy Sensor | Piezoresistive Silicon with Hastelloy Sensor |
| Calibrated Ranges | 5, 10, 20, 30, 100, 200 m, Atm. Barologger | 5, 10 m |
| Accuracy | ± 0.05% FS (Barologger Edge ±0.05 kPa) | ± 0.1% FS |
| Resolution | 0.002% FS to 0.0006% FS | 0.02% FS to 0.01% FS |
| Normalization | Automatic Temperature Compensation | Automatic Temperature Compensation |
| Calibration | Factory – Lifetime calibration | Factory – Lifetime calibration |
| Response Time (90% Thermal Δ) | 1 minute/10ºC change | 1 minute/1ºC change |
| Temp Comp Range | 0 to +50°C (Barologger Edge -10 to +50ºC) | 0 to +40°C |
| Over-pressure Range | 2 X | 2 X |
| Temperature Sensor | Platinum Resistance Temperature Detector (RTD) | Platinum Resistance Temperature Detector (RTD) |
| Temperature Accuracy | ± 0.05°C | ± 0.1°C |
| Temperature Resolution | 0.003°C | 0.1°C |
| Operating Temp Range | -20 to +80°C | -20 to +80°C |
| Clock Accuracy | ± 1 minute / year (-20ºC – +80ºC) | ± 1 minute / year (-20ºC – +80ºC) |
| Battery Life | 10 Years (based on 1 reading/min) | 5 Years (based on 1 reading/min) |
| Size | 7/8″ x 6.25″ (22 mm x 159 mm) | 7/8″ x 5.6″ (22 mm x 142 mm) |
| Weight | 4.6 oz. (129 grams) | 4.2 oz. (119 grams) |
| Memory | 40,000 readings in FRAM memory, or up to 120,000 readings using data compression option | 40,000 readings in FRAM memory, no data compression option |
| Communication Speed | 9600 bps, 38,400 bps with HS USB Optical Reader | 9600 bps |
| Com Interface | Optical infra-red: USB, RS232, SDI-12 | Optical infra-red: USB, RS232, SDI-12 |
| Memory Modes | Continuous or Slate | Continuous or Slate |
| Logging Rates | 0.125 sec to 99 hours | 0.5 sec to 99 hours |
| Logging Modes | Linear, Event & User-Selectable Schedules with Repeat Mode, Future Start, Future Stop, Real Time View | Linear, Real Time View, Future Start |
| Barometric Compensation | Data Wizard and Barologger Edge | Data Wizard and Barologger Edge |
| Corrosion Resistance | Titanium based PVD coating and Hastelloy Sensor | 316 L Stainless Steel and Hastelloy Sensor |
| Other Wetted Materials | Delrin, Viton, Hastelloy, 316L Stainless Steel | Delrin, Viton, Hastelloy, 316L Stainless Steel |
| Direct Read Capability | Yes | Yes |
Solinst Levelogger App & Levelogger App Interface
A smart alternative for programming, data collection, viewing and sharing, is the Levelogger App Interface that uses Bluetooth® wireless technology to connect all Levelogger Series products to your smart device running the Solinst Levelogger App (see Model 3001 Solinst Levelogger App & Interface data sheets).
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