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1.1.3 Levelogger Junior
The Levelogger Junior provides an inexpensive alternative for measuring groundwater and surface water levels and temperature.
Levelogger Junior Technical Specifications |
| Level Sensor: |
Piezoresistive Silicon in 316L Stainless Steel |
| Ranges: |
15, 30 ft. (5, 10 m) |
| Accuracy (Typical): |
0.1% FS |
| Resolution: |
0.03% FS |
| Normalization: |
Automatic Temp Compensation |
| Temperature Sensor: |
Platinum Resistance Temperature Detector (RTD) |
| Accuracy: |
± 0.1ºC FS |
| Resolution: |
± 0.1ºC |
| Temp Compensation Range: |
10°C to 40°C |
| Battery life: |
5 years (based on
1 reading/minute) |
| Clock Accuracy: |
± 1 minute/year |
| Operating Temperature: |
- 20°C to 80°C |
| Memory: |
Non-volatile EEPROM, FRAM back-up, Slate mode only |
| Maximum # Readings |
32,000 (no data compression) |
| Communication Interface: |
Optical Infra-red: USB, RS-232, SDI-12 |
| Size: |
7/8” x 5.5”
(22 mm x 140 mm) |
| Weight: |
154 g (5.4 oz) |
| Wetted Materials: |
Delrin®, Viton®, 316L Stainless Steel |
| Sampling Mode: |
Linear, Future Start,
Real Time View |
| Measurement Rates: |
0.5 seconds to 99 hours |
| Altitude Input: |
-980 to 16,400 ft.
(-300 to 5,000 m) |
| Barometric Compensation: |
High accuracy, air-only, Barologger |
| Junior Models |
Full Scale (FS) |
Accuracy (typical) |
Resolution |
| F15, M5 |
16.4 ft.,
5 m |
± 0.020 ft.,
0.6 cm |
0.028% FS |
| F30, M10 |
32.8 ft.,
10 m |
± 0.032 ft.,
1.0 cm |
0.021% FS |
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