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| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | MQ500 |
| Measurement Uncertainty | ±5% |
| Measurement Range | 0–4000 µmol·m⁻²·s⁻¹ |
| Long-term Drift | <2% per year |
| Repeatability | <0.5% |
| Nonlinearity | <1% |
| Response Time | <1 ms |
| Field of View | 180° |
| Spectral Range | 389–692 nm ±5 nm |
| Spectral Selectivity | <10% (412–692 nm ±5 nm) |
| Azimuthal Error | <0.5% |
| Tilt Error | <0.5% |
| Temperature Response | −0.11±0.04 %·°C⁻¹ |
| Ingress Protection Rating | IP68 |
| Dimensions | 24 mm (diameter) × 37 mm (height) |
| Mass | 100 g (including 5 m cable) |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SK01-DP2 |
| Spectral Range | 400–700 nm |
| Output Sensitivity | 0.5 mV per μmol·s⁻¹·m⁻² |
| Measurement Range | 0–3000 μmol·s⁻¹·m⁻² |
| Response Time (95%) | 30 ms |
| Long-Term Drift (per year) | < ±2% |
| Nonlinearity | < ±1% |
| Directional Response (30°–80° zenith angle) | < ±30 W·m⁻² (ISO 9060 Class II compliant) |
| Temperature Response | < ±0.15% per °C |
| Operating Temperature | −35 to +60 °C |
| Power Supply | 5.5–14.5 VDC, 3 mA |
| Housing | Anodized aluminum, IP67 rated |
| Cable Length | 3 m |
| Weight | 0.3 kg |
| Dimensions (L×W×H) | 150 × 150 × 150 mm |
| Calibration Uncertainty | ±3% |
| Spectral Responsivity Match (vs. CIE PAR action spectrum) | ±6% (overcast) to +2% (thin cloud) |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SS-120 |
| Spectral Range | 635–1100 nm |
| Spectral Sampling Interval | 1.0 nm |
| Spectral Resolution | 3.0 nm |
| Spectral Accuracy | ±0.5 nm |
| Spectral Repeatability | ±0.2 nm |
| A/D Conversion | 14-bit |
| Signal-to-Noise Ratio | 1500:1 |
| Stray Light | ≤0.25% at 850 nm |
| Noise Level | ≤3 counts |
| Integration Time | 10 ms – 10 s |
| Linearity | <1% or 0.5% |
| Quantum Efficiency | >10% (λ < 1030 nm) |
| Radiometric Repeatability | <1% (λ < 1020 nm) |
| Cosine Response Error | ±5% at 75° zenith angle |
| Field of View | 25° or 150° (downward-facing configuration) |
| Operating Temperature | −20 to +70 °C |
| Relative Humidity | 0–100% RH |
| Power Consumption | 1 W (USB-powered) |
| Current Draw | 190 mA |
| Weight | 300 g |
| Dimensions | 89.3 × 50.8 × 38.1 mm (H × W × L) |
| Communication Interface | USB |
| Software Compatibility | Windows XP and later |
| Irradiance Calibration Uncertainty | ±5% |
| Temperature Coefficient | −0.1 ± 0.1 %/°C |
| Brand | Apogee Instruments |
|---|---|
| Origin | USA |
| Model | PS-300 |
| Spectral Range | 220–1100 nm |
| Wavelength Resolution | 1.5 nm |
| Detector | 2048-pixel CCD |
| Grating | Holographic, aberration-corrected, 590 g/mm |
| A/D Converter | 16-bit |
| Signal-to-Noise Ratio | 1000:1 |
| Stray Light | ≤0.02% @ 435 nm, ≤0.2% @ 200 nm |
| Measurement Repeatability | <1% |
| Irradiance Calibration Uncertainty | ±10% (300–1000 nm) |
| Cosine Response Error | ±5% up to 80° zenith angle |
| Integration Time | 1 ms – 65 s |
| Interface | USB 2.0 |
| Power | 5 VDC, 100 mA (bus-powered) |
| Operating Temperature | 0–60 °C |
| Fiber Optic Cable | 2 m armored silica fiber |
| Dimensions | 69 × 100 × 150 mm |
| Weight | 900 g |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | FM-120 |
| Measurement Range | 2–50 µm |
| Sampling Area | 0.24 mm² |
| Volumetric Flow Rate | 1 m³/min |
| Sampling Frequency | Adjustable from 0.04 s to 20 s |
| Refractive Index Assumption | 1.33 (non-absorbing, water standard) |
| Scattering Collection Angle | 3.5°–12° (annular forward cone) |
| Operating Temperature | 0–40 °C |
| Relative Humidity | 0–100 % RH (non-condensing) |
| Altitude Limit | ≤ 4,000 m |
| Instrument Weight | 10.0 kg |
| External Pump Weight | 9.5 kg |
| Dimensions (Detector Unit) | 23 cm (W) × 37 cm (L) × 28 cm (H) |
| Power Supply | FM-120 unit: 85–264 VAC, 50–60 Hz |
| External pump | 220 VAC |
| Data Interface | RS-422 or RS-232 |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-made) |
| Model | PARNet |
| Pricing | Available Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | O3-LIDAR |
| Laser Source | Nd:YAG-based UV laser system (266 nm fundamental, 289 nm & 316 nm Raman-shifted) |
| Detector | High-quantum-efficiency photomultiplier tubes (PMTs) with solar-blind UV response |
| Operating Wavelengths | 289 nm and 316 nm (DIAL pair) |
| Maximum Detection Altitude | Up to 25 km (dependent on atmospheric conditions) |
| Pulse Repetition Frequency | 20–50 Hz |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | Portable |
| Price Range | USD 1,400 – 7,200 (est.) |
| Laser Source | Pulsed Solid-State Nd:YAG (1064 nm) |
| Detector | High-Sensitivity Avalanche Photodiode (APD) Array |
| Operating Wavelength | 1064 nm |
| Maximum Detection Altitude | 8 km (a.s.l.) |
| Pulse Repetition Frequency | 4 kHz |
| Spatial Resolution | Adjustable (7.5 m / 15 m / 30 m) |
| Laser Safety Class | Class 3B (IEC 60825-1) |
| Enclosure Rating | IP65 |
| Power Supply | 220 V AC or 12 V DC (battery-compatible) |
| Scan Mechanism | Integrated European-Made 3D Galvanometric Motor (±90° azimuth, ±45° elevation) |
| Brand | Kipp & Zonen |
|---|---|
| Origin | Netherlands |
| Model | SGR3 |
| Spectral Range | 4.4–50 µm |
| Response Time | <18 s |
| Zero Offset (B) | <5 W/m² |
| Temperature Dependence of Sensitivity (−20 to +50 °C) | <3% |
| Operating Temperature Range | −40 to +80 °C |
| Field of View | 150° |
| Analog Output | 4–20 mA or 0–1 V per W/m² |
| Window Heating Offset | 15 W/m² |
| Power Supply | 5–30 VDC |
| Communication Interface | RS-485 Modbus® |
| Desiccant Replacement Interval | ≥10 years |
| Directional Error | <5 W/m² |
| Temperature Correction Range | −40 to +80 °C |
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | HC2-S3 |
| Pricing | Available Upon Request |
| Temperature Sensing Element | Pt100 RTD (IEC 60751 Class B, 1/3 tolerance) |
| Temp. Range | −40 to +60 °C |
| Temp. Accuracy | ±0.1 K at 23 °C (standard) |
| Humidity Range | 0–100 % RH |
| RH Accuracy | ±0.8 % RH (3-point calibration: 10, 35, 80 % RH) / ±0.5 % RH (9-point calibration: 10–90 % RH in 10 % steps) |
| Operating Environment | −50 to +100 °C, 0–100 % RH |
| Supply Voltage | 3.2–5 VDC or 12 VDC |
| Output Signal | 0–1 VDC analog voltage |
| Connector | Stainless steel military-grade aviation connector (MIL-C-5015 compliant) |
| Origin | Imported |
|---|---|
| Manufacturer Type | Distributor |
| Model | HBW Series |
| Pricing | Upon Request |
| Accuracy Class | A (±0.1 °C), B (±0.2 °C to ±0.3 °C) |
| Measurement Range | HBW-1: −50 °C to +50 °C |
| HBW-2 | −50 °C to +80 °C |
| Sensor Element | IEC 60751-compliant Pt100 (α = 0.00385 Ω/Ω/°C) |
| Configuration | 4-wire RTD |
| Cable | Shielded 4-core, standard 10 m (custom lengths available) |
| Probe Dimensions | 70 mm sheath length, 4 mm sensing tip diameter, 10 mm sheath OD |
| Mass | 0.35 kg (including 10 m cable) |
| Calibration Interval | 2 years |
| Compliance | IEC 60751:2022, EN 60751, ASTM E1137/E1137M |
| Brand | RM Young |
|---|---|
| Origin | USA |
| Model | 41342 |
| Sensor Type | 1000 Ω Pt RTD (Class A) |
| Output Options | 4-wire Pt RTD / 0–1 VDC (5 mA, 8–24 VDC supply) / 4–20 mA (20 mA, 12–30 VDC supply) |
| Temperature Range | –50 to +50 °C |
| Calibration Accuracy at 0 °C | ±0.3 °C (NIST-traceable certificate included) |
| Optional Enhanced Accuracy | ±0.1 °C |
| Recommended Radiation Shields | Gill 41003P Passive Multi-Plate Shield or 43502 Active Ventilated Shield |
| Compliance | NIST-traceable calibration, ISO/IEC 17025-compliant calibration procedures |
| Measurement Range | -30 °C to 1100 °C |
|---|---|
| Accuracy | ±0.5 °C |
| Resolution | 1 °C |
| Repeatability | ±1 °C |
| Spectral Band | 8–14 µm |
| Optical Field of View | Standard 2° or 15°, optional 60° |
| Emissivity Adjustment | 0.2–0.98 (user-selectable via rear panel) |
| Response Time | 0.1 s |
| Operating Ambient Temperature | -10 °C to 50 °C, ≤99% RH (non-condensing) |
| Storage Temperature | -10 °C to 50 °C |
| Lens Material | Dual-coated zinc selenide (ZnSe), MIL-C-13508 compliant |
| Output Signal | RS-232C standard, optional 1 mV/°C analog output |
| Power Supply | Rechargeable NiCd battery, 40 h continuous operation |
| Battery Charger | 120 V/60 Hz/3 W or 230 V/50 Hz optional |
| Minimum Measurement Distance | 2 cm |
| Maximum Measurement Distance | 300 m |
| Housing | Stainless steel |
| Origin | Imported |
| Manufacturer Type | Distributor |
| Brand | Campbell Scientific |
|---|---|
| Model | TM320 |
| Origin | USA |
| Temperature Range | −20 to 70 °C |
| Temperature Accuracy | ±0.5 °C |
| Relative Humidity Range | 0 to 95 %RH (non-condensing) |
| RH Accuracy | ±2 %RH |
| Operating Environment | −20 to 70 °C |
| Power Supply | 4 × AA alkaline batteries or optional AC adapter |
| Memory Capacity | 32,000 data points |
| Sampling Interval | Adjustable from 1 second to 24 hours (in 10-second increments) |
| Alarm Function | User-configurable high/low limits with audible alert |
| Housing Material | Polycarbonate |
| Dimensions | 10.2 × 7.7 × 3.9 cm |
| Weight | 255 g (9 oz) |
| Certifications | CE |
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