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| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | MicroLOG Pro EC750 Pocket-Sized Temperature & Humidity Data Logger |
| Temperature Range | –40 to +80 °C |
| Relative Humidity Range | 0–100 %RH |
| Temperature Accuracy | ±0.2 °C |
| RH Accuracy | ±2 %RH @ 25 °C |
| Temperature Resolution | 0.1–0.2 °C (varies by range) |
| RH Resolution | 0.1 %RH |
| Memory Capacity | 52,000 data points |
| Sampling Interval | 10 s to 2 h |
| Display | 4-digit LCD with unit indicators (°C/°F/%RH/PH/V/mA/mS/AL-H/AL-L) |
| Communication | RS-232 (19.2 kbps), USB 1.1, IrDA (compatible with HP 82240B printer) |
| Power | 3.6 V Li primary battery (½AA, 1.2 Ah) |
| Battery Life | ~2 years (typical use, no external sensors or high-frequency sampling) |
| Dimensions | Ø72 mm × 22.9 mm |
| Weight | 55 g |
| Certifications | CE, FCC |
| Software | MicroLAB 1.1 (free, Windows-compatible) |
| Brand | Biosonics |
|---|---|
| Origin | USA |
| Model | DT-X |
| Detection Principle | Pulse-echo ultrasonic backscatter and scattering |
| Frequency Range | 38, 70, 120, 200, 420, 1000 kHz |
| Dynamic Range | >160 dB |
| Minimum Detectable Echo Level | –140 dB |
| Pulse Repetition Rate | 0.01–30 Hz |
| Pulse Width | 0.1–1 ms |
| Maximum Detection Range | 0–1000 m |
| Transmitter Power | 100–1000 W RMS |
| Beam Configuration | Single-beam and split-beam transducer support (up to 4 simultaneously) |
| Transducer Housing | Anodized aluminum or stainless steel |
| Onboard Processing | Linux-based programmable embedded processor |
| Integrated Differential GPS | Yes |
| Data Output Format | Raw digital echo data, time-series SV/TS profiles, georeferenced .csv/.bin/.ech |
| Software Suite | Visual Analyzer (fish), EcoSAV (submerged aquatic vegetation), Sediment Profiler (substrate & bathymetry) |
| Power Input | 85–264 V AC / 10–14 V DC |
| Power Consumption | 30 W |
| Host Dimensions | 49 × 39 × 19 cm |
| Host Weight | 13.6 kg |
| Transducer Dimensions | Ø18 × 17 cm |
| Transducer Weight | 4 kg |
| Cable Length | 8–160 m (digital signal) |
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