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| Brand | YSI |
|---|---|
| Origin | USA |
| Model | 600LS |
| Measurement Principle | Ventilated Piezoresistive Pressure Transduction |
| Water Level Range | 0–9 m |
| Resolution | 0.001 m |
| Accuracy | ±0.003 m (0–3 m), ±0.018 m (3–9 m) |
| Temperature Range | –5 to +60 °C |
| Temp. Resolution | 0.01 °C |
| Temp. Accuracy | ±0.15 °C |
| Conductivity Range | 0–100 mS/cm |
| Cond. Resolution | 0.001–0.1 mS/cm (range-dependent) |
| Cond. Accuracy | ±0.5% of reading + 0.001 mS/cm |
| Salinity Range | 0–70 ppt |
| Salinity Resolution | 0.01 ppt |
| Salinity Accuracy | ±1.0% of reading or ±0.1 ppt (whichever is greater) |
| Memory Capacity | 150,000 readings |
| Data Logging Interval | User-programmable |
| Communication Interface | SDI-12 |
| Max Operating Depth | 9 m |
| Compatible Platforms | YSI 650MDS, YSI 6200 Data Collection System, third-party SDI-12 loggers |
| Origin | Australia |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Starflow |
| Pricing | Available Upon Request |
| Brand | Campbell Scientific |
|---|---|
| Origin | USA |
| Model | CR3000 |
| Analog Input Channels | 28 single-ended (14 differential) |
| Analog Voltage Range | ±5000 mV |
| Analog Resolution | 0.33 µV |
| A/D Resolution | 16-bit |
| Maximum Scan Rate | 100 Hz |
| Pulse Count Channels | 4 |
| Switched Excitation Outputs | 4 voltage, 3 current |
| Control Ports | 3 SDM, 8 I/O |
| Communication Interfaces | CS I/O, RS-232, Ethernet (optional), RF radio (optional), CDMA/GPRS (optional), satellite (optional) |
| Supported Protocols | PakBus, Modbus RTU/ASCII/TCP, DNP3, FTP, HTTP, XML, POP3, SMTP, Telnet, NTP, NTCIP, SDI-12, SDM |
| Memory | 4 MB internal |
| Power Consumption | 2 mA (sleep), 3 mA (1 Hz), 10 mA (100 Hz) |
| Environmental Compliance | CE, EMC, GDT input protection |
| Real-Time Clock | Temperature-compensated, battery-backed |
| Data Storage Format | Tabular (timestamp + record number) |
| Operating Temperature | 0–40 °C |
| Software Compatibility | LoggerNet 3.4/4.0, PC400 1.2, ShortCut 2.2 |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | S5/M9 |
| Pricing | Available Upon Request |
| Operating Temperature | -5°C to 45°C |
| Storage Temperature | -10°C to 70°C |
| Power Supply | 12–18 V DC, rechargeable battery (8 h runtime |
| Memory | 8 GB non-volatile internal storage |
| Max Output Rate | 2 Hz |
| Internal Sampling Rate | up to 70 Hz |
| Velocity Range | ±20 m/s |
| Velocity Accuracy | ±0.25% of measured value |
| Minimum Measurement Distance | 0.06 m |
| Max Depth Range | 80 m (M9) |
| Depth Resolution | 0.01 m |
| Temperature Sensor Resolution | 0.01°C |
| Temperature Accuracy | ±0.1°C |
| Compass/Tilt Range | 360° heading, ±2° heading accuracy, ±1° roll/pitch accuracy |
| RTK GPS Accuracy | 0.03 m horizontal |
| VTG/GGA GPS Accuracy | sub-meter |
| Bluetooth Range | 60 m (mobile), 200 m (laptop) |
| Spread-Spectrum Radio Range | 2000 m |
| Transducer Configurations | Multi-frequency, auto-adaptive cell size, frequency, and sampling mode |
| Brand | YSI |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | FlowTracker2 |
| Price Range | USD 13,500–40,500 (est.) |
| Technology | Acoustic Doppler Velocimetry (ADV) |
| Velocity Range | 0.001–4.0 m/s |
| Resolution | 0.0001 m/s |
| Accuracy | ±1% of measured velocity or ±0.0025 m/s (whichever is greater) |
| Minimum Measurement Depth | 0.02 m |
| Operating Temperature (Probe) | –20 °C to 50 °C |
| Operating Temperature (Display Unit) | –20 °C to 60 °C |
| Storage Temperature | –30 °C to 70 °C |
| Power Supply | 8 × AA batteries (alkaline/NiMH/NiCd), 8–12 V DC |
| Weight | 1.55 kg |
| Display IP Rating | IP67 (1 m submersion for 30 min) |
| Integrated Sensors | Tilt & orientation sensor, GPS receiver, Bluetooth 4.2 LE |
| Display | Color TFT touchscreen, graphical UI |
| Probe–Handle Interchangeability | Yes |
| Data Output | CSV, Excel-compatible, time-series and profile plots |
| Compliance | ISO 748, ISO 10721, USGS TWRI 3-A17, ASTM D5389 |
| Brand | SonTek |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Pricing | Available Upon Request |
| Measurement Principle | Acoustic Doppler Velocimetry (ADV) |
| Form Factor | Handheld |
| Display | Backlit LCD |
| Memory | 4 MB (up to 64 flow files, 160,000 velocity readings) |
| Probe | 2D point measurement probe with 2 m flexible cable |
| Minimum Measurable Depth | 2 cm |
| Minimum Measurable Velocity | 0.001 m/s |
| Maximum Measurable Velocity | 4.5 m/s |
| Velocity Resolution | 0.1 cm/s |
| Velocity Accuracy | ±1% of measured value |
| Temperature Sensor | Integrated, resolution ±0.1 °C |
| Operating Temperature | −20 °C to +50 °C |
| Storage Temperature | −20 °C to +50 °C |
| Power Supply | 8 × AA batteries (alkaline, NiMH, or NiCd) |
| Battery Life | Up to 25 hours (alkaline) |
| Weight | 1.8 kg |
| Probe Width | 13 cm |
| Water Resistance | IP68 (submersible to 1 m) |
| Communication | RS-232 |
| Remote Sampling Location | 10 cm upstream of transducer |
| Flow Calculation Engine | USGS/ISO-compliant real-time discharge computation |
| Calibration | Factory-calibrated in controlled flume environments per ISO 748 and ASTM D3858 standards |
| Software | FlowTracker PC software for data download, QA/QC, report generation, and compliance documentation |
| Brand | Campbell Scientific |
|---|---|
| Origin | USA |
| Model | CR6 |
| Processor | 32-bit ARM Cortex-M4 with hardware floating-point unit (100 MHz) |
| Internal Memory | 4 MB RAM, 6 MB flash for OS, 1 MB serial flash for program execution |
| MicroSD Card Support | Up to 16 GB |
| Real-Time Clock Accuracy | ±3 minutes/year (±10 µs with GPS synchronization) |
| USB Interface | USB 2.0 Full-Speed (12 Mbps), host/device capable |
| Ethernet | 10/100BASE-T |
| Communication Protocols | PakBus, SDI-12, SDM, RS-232, RS-485, CPI (Campbell Peripheral Interface) |
| U-Port Capabilities | Simultaneous analog/digital input, static vibration measurement (100 Hz – 6.5 kHz), bridge excitation (±2.5 V or ±2.5 mA), thermistor support (5 kΩ reference), frequency measurement up to 200 kHz |
| Analog Input | 12 single-ended or 6 differential channels |
| ranges | ±5000 mV, ±1000 mV, ±200 mV |
| Analog Output | 12-bit DAC (±2.5 V or ±2.5 mA) |
| Digital I/O | 12 configurable ports (3.3 V / 5 V logic) |
| Power Input | 12 V DC battery, solar (16–32 V DC), or USB |
| SW12V outputs | 2 × 12 V @ 1100 mA (20 °C) |
| Overvoltage Protection | All terminal strips include transient voltage suppression |
| Operating Temperature | −25 °C to +50 °C (extended range options available) |
| Dimensions | 20.3 × 10.2 × 6.1 cm |
| Weight | 0.42 kg |
| Compliance | CE, FCC Part 15 Class B, RoHS |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | ADP |
| Pricing | Upon Request |
| Velocity Range | ±10 m/s |
| Velocity Resolution | 0.1 cm/s |
| Velocity Accuracy | ±1% of measured velocity or ±0.5 cm/s (whichever is greater) |
| Maximum Ensembles | 100 cells per profile |
| Operating Frequencies | 250 kHz, 500 kHz, 1000 kHz, 1500 kHz, 3000 kHz |
| Max Profiling Range | 3–180 m (frequency-dependent) |
| Power Supply | 12–24 V DC |
| Continuous Power Consumption | 2.0–2.5 W |
| Sleep Mode Power | <1 mW |
| Internal Memory Options | 128 MB / 512 MB / 1024 MB |
| Compass & Tilt Sensor Resolution | 0.1° (heading, pitch, roll) |
| Compass Accuracy | ±2° (heading), ±1° (pitch/roll) |
| Pressure Sensor Options | Strain-gauge (±0.1% FS) or Resonant quartz (±0.01% FS) |
| Transducer Configurations | 3-beam vertical, 2-beam side-looking, 4-beam Janus, 4-beam with vertical beam |
| Software Suite | RiverSurveyor, CurrentSurveyor, CurrentMonitor, ViewADP, SonWave |
| External Sensor Interfaces | CTD (Sea-Bird MicroCAT), Turbidity (D&A OBS), Pressure (Paroscientific quartz) |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | Argonaut-XR |
| Price | Upon Request |
| Brand | SonTek |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Pricing | Upon Request |
| Frequency Options | 3000 kHz, 1500 kHz, 1000 kHz, 500 kHz |
| Max Depth Range | 6 m (3000 kHz), 25 m (1500 kHz), 40 m (1000 kHz), 100 m (500 kHz) |
| Min Depth Range | 0.3 m (3000 kHz), 0.5 m (1500 kHz), 1.3 m (1000 kHz), 2.0 m (500 kHz) |
| ADP Diameter | 10 cm |
| Communication | Bidirectional Radio Modem |
| Navigation & Orientation | Integrated Compass and Tilt Sensors |
| Positioning Interface | DGPS-ready (optional integrated DGPS) |
| Software Platform | RiverSurveyor v5.x (including Real-Time Flow Processing, QA/QC Flagging, and Export to CSV/Excel/HEC-RAS) |
| Brand | Rinntech |
|---|---|
| Origin | Germany |
| Model | ARBOTOM® |
| Type | Portable Acoustic Impulse Tomography System for In Situ Tree Health Assessment |
| Sensor Configuration | 2–24+ Adjustable Multifunctional Piezoelectric Sensors |
| Data Output | Color-Coded 2D Cross-Sectional & Optional 3D Volumetric Reconstructions |
| Compliance | Designed for Field Deployment in Accordance with DIN EN 12512, ISO 12716, and ASTM D6248 (Non-Destructive Evaluation of Wood) |
| Software Platform | ArborScan™ v5.x with Audit Trail, GLP-Compliant Reporting, and FDA 21 CFR Part 11–Ready Configuration Options |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model Variants | SI-111, SI-121, SI-131, SI-1H1, SI-411 |
| Output Type | Analog Voltage (SI-1xx) / SDI-12 Digital (SI-4xx) |
| Field of View | 22.5° (SI-111/SI-411), 5° (SI-121/SI-421), 1° (SI-131/SI-431), 180° horizontal (SI-1H1/SI-4H1) |
| Spectral Range | 8–14 µm |
| Measurement Range | –60 °C to +110 °C |
| Calibration Uncertainty | ±0.2 °C (–20 °C to +65 °C), ±0.5 °C (–40 °C to +80 °C) |
| Response Time (95%) | 0.6 s |
| Sensitivity | 60 µV/°C |
| Operating Environment | –55 °C to +80 °C, 0–100% RH (non-condensing) |
| IP Rating | IP68 connector |
| Cable | 5 m, 4-conductor shielded twisted-pair, TPR jacket |
| Mass | 190 g (incl. cable) |
| Warranty | 4 years |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SL-510-SS (Upward), SL-610-SS (Downward) |
| Sensitivity | 0.12 mV per W/m² |
| Calibration Factor | 8.5 W/m² per mV |
| Measurement Range | −200 to +200 W/m² (net longwave) |
| Uncertainty | ±5% (k=2) |
| Spectral Range | 5–30 µm |
| Field of View | 150° (hemispherical) |
| Response Time | <0.5 s |
| Zero Offset Drift | <5 W/m² |
| Tilt Error | <0.5% |
| Nonlinearity | <1% |
| Long-Term Drift | <2% per year |
| Repeatability | <1% |
| Temperature Response | <5% (−15 to +45 °C) |
| Thermistor | 30 kΩ @ 25 °C, ±1 °C accuracy |
| Thermistor Output | 0–2500 mV (with 2500 mV excitation) |
| Heater Power | 185 mW @ 12 V DC (780 Ω, 15.4 mA) |
| Housing | Anodized aluminum, IP67 (SL-510-SS) / IP68 (SL-610-SS) |
| Cable Connector | Marine-grade stainless steel, 30 cm pigtail |
| Dimensions | Ø23.5 mm × 27.5 mm height |
| Mass | 90 g (SL-510-SS), 100 g (SL-610-SS) |
| Warranty | 4 years |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model Numbers | SP510 |
| Measurement Range | 0–2000 W/m² (shortwave net radiation) |
| Spectral Range | 385–2105 nm (SP510), 295–2685 nm (SP610), 360–1120 nm (silicon photodiode models) |
| Output Options | 0–114 mV, 0–300 mV, 0–400 mV, 0–2.5 V, 4–20 mA, 0–5 V, USB, SDI-12 |
| Uncertainty | ±5% |
| Cosine Response Error | <30 W/m² at 80° zenith angle (SP510) |
| Response Time | ≤0.5 s (thermopile), <1 ms (silicon) |
| Operating Temperature | −50 to +80 °C (thermopile), −40 to +70 °C (silicon, submersible to 30 m) |
| Long-Term Drift | <2% per year |
| IP Rating | IP68 (silicon models), IP67 (thermopile models) |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SU-100 |
| Spectral Range | 250–400 nm |
| Absolute Accuracy | ±10% |
| Uniformity | ±5% |
| Repeatability | ±1% |
| Output Sensitivity | 0.2 mV per μmol·m⁻²·s⁻¹ |
| Full-Sun Output | ~35 mV (≈175 μmol·m⁻²·s⁻¹, ≈60 W·m⁻²) |
| Calibration Factor | 5.0 μmol·m⁻²·s⁻¹ per mV |
| Output Range | 0–60 mV (0–300 μmol·m⁻²·s⁻¹, 0–102 W·m⁻²) |
| Response Time | <1 ms |
| Long-Term Drift | <3% per year |
| Operating Environment | −25 to +55 °C, 0–100% RH |
| IP Rating | IP68 (submersible) |
| Weight | 75 g |
| Standard Cable Length | 5 m (extendable) |
| Power Supply | Self-powered (no external power required) |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SN-500 |
| Measurement Range (Shortwave Up) | 0–2000 W/m² |
| Measurement Range (Shortwave Down) | 0–2000 W/m² |
| Measurement Range (Longwave Up) | −200 to +200 W/m² |
| Measurement Range (Longwave Down) | −200 to +200 W/m² |
| Spectral Range (Shortwave Up) | 385–2105 nm |
| Spectral Range (Shortwave Down) | 295–2685 nm |
| Spectral Range (Longwave) | 5000–30,000 nm |
| Sensitivity | 55 µV/(W/m²) (SW↑), 150 µV/(W/m²) (SW↓), 100 µV/(W/m²) (LW↑/LW↓) |
| Response Time | 1 s (detector) |
| Zero Offset (5 K/h) | 18.2 W/m² (SW↑), 6.67 W/m² (SW↓), 10 W/m² (LW) |
| Field of View | 180° (SW↑), 150° (SW↓), 180° (LW↑/LW↓) |
| Output | Four SDI-12 digital channels (SW↑, SW↓, LW↑, LW↓) |
| Supply Voltage | 5–16 V DC (heater rated at 12 V DC) |
| Power Consumption | 62 mA / 740 mW @ 12 V DC |
| Operating Temperature | −50 °C to +80 °C |
| Relative Humidity | 0–100 % RH |
| Dimensions | 116 mm (L) × 45 mm (W) × 66 mm (H) |
| Weight | 320 g (including mounting rod and 5-m cable) |
| Cable | 5-m, 4-conductor shielded twisted pair with ethylene propylene rubber jacket |
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