Specification
GP2 Data Logger – Brief Specs
| Input connections | 12 differential (or 24 single-ended) analog inputs configurable as: Voltage, Resistance (12 3-wire or 24 2-wire), Bridge (12), Potentiometer (12)
4 digital inputs as: Counters, (2 fast + 2 slow), Frequency, Digital state 1 Delta-T WET sensor channel Serial input channel: 62 SDI-12 sensors or a single WET Sensor |
| Control outputs | 2 relay outputs expandable to 6 (1 A) |
| Readings stored | 2.5 Million |
| Recording rate | 1 second to 24 hours |
| Configuration | DeltaLINK |
| Communication options | USB, RS232, ethernet or modem |
| Sensor excitation | Calibrated 3V reference, +5 V and +12 V regulated, or 5 to 10.5 V (battery or external power), user selectable |
| Power | 6 AA alkaline batteries or external power 10-15 V DC |
| Battery life (dependent on usage) | >310K readings, lasting 530 days |
| Enclosure rating | IP65 |
| Temperature range | -20 to +60°C |
| Display | – |
| Size | 225 x 185 x 75 mm |
| Typical applications | Demanding research projects |
| Environmental monitoring | |
| Varied control applications |
WS-GP2 Sensors – Brief Specs
| Specification | Range / Note | |
| Wind speed AN-WD2 (combined wind sensor) | ||
| Range | 0 to 75 m.s-1 | |
| Accuracy | ± 0.1 m.s-1 | Up to 10 m.s-1 |
| ± 1.1% of reading | Over 10 m.s-1 | |
| Starting threshold | 0.4 m.s-1 | -30°C to +70°C if icing minimal |
| Wind direction AN-WD2 (combined wind sensor) | ||
| Accuracy | ± 4° | mechanical: 0 to 360°
electrical: 0 to 356° |
| Starting threshold | 0.4 m.s-1 | -30°C to +70°C (if icing minimal) |
| Rainfall RG2+BP | ||
| Sensitivity | 0.2 mm per tip | up to 360 mm.hr-1 |
| Humidity RHT2nl (combined air temp sensor) | ||
| Accuracy | ± 2% RH | 5 to 95% RH |
| ± 2.5% RH | <5% and >95% RH | |
| Air temperature RHT2nl (combined RH sensor) | ||
| Accuracy | ± 0.1°C | 0 to 70°C |
| Solar radiation ES2 | ||
| Absolute accuracy | ± 5% | At 20°C (optimal conditions) |
| Linearity | ± 1% | 0 to 2 kW.m-2 |
| Soil temperature ST1 | ||
| Accuracy | ± 0.2°C | -10 to +65°C |
| Mast M2-FSG | ||
| 2m mast | With cross arm, stakes, steel guy wires, baseplate and logger canopy | |
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