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| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SP-110 / SP-212 / SP-214 / SP-215 / SP-230 |
| Output Types | mV (SP-110, SP-230), 0–2.5 V (SP-212), 4–20 mA (SP-214), 0–5 V (SP-215) |
| Spectral Range | 360–1120 nm |
| Field of View | 180° |
| Sensitivity | 0.2 mV/(W·m⁻²) (SP-110, SP-230), 2.0 mV/(W·m⁻²) (SP-212), 0.013 mA/(W·m⁻²) (SP-214), 4.0 mV/(W·m⁻²) (SP-215) |
| Calibration Uncertainty | ±5% |
| Nonlinearity | <1% (0–1250 or 0–1750 W·m⁻², model-dependent) |
| Response Time | <1 ms |
| Directional Error @75° | ±5% |
| Temperature Response | −0.04 ± 0.04 %/°C |
| Operating Environment | −40 to +70 °C, 0–100 % RH |
| Long-Term Drift | <2 %/year |
| Repeatability | <1% |
| Housing Dimensions | Ø24 mm × 28 mm |
| Weight (with 5 m cable) | 90 g (SP-110, SP-212, SP-215, SP-230), 140 g (SP-214) |
| Warranty | 4 years |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | MU-100 / MU-200 |
| Spectral Range | 250–400 nm |
| UVA Range | 315–400 nm |
| UVB Range | 280–315 nm |
| Output Units | μmol·m⁻²·s⁻¹ and W·m⁻² |
| Calibration Uncertainty | ±10% |
| Repeatability | <1% |
| Long-Term Drift | <3% per year |
| Nonlinearity | <1% (up to 300 μmol·m⁻²·s⁻¹) |
| Response Time | <1 ms |
| Field of View | 180° |
| Directional Response | ±10% at 75° zenith angle |
| Temperature Dependence | ~0.1%/°C |
| Operating Environment | 0–50°C, ≤90% RH non-condensing |
| Probe IP Rating | IP68 (MU-200 probe, 30 m submersible) |
| Data Logging | Manual (99 points) or Automatic (30 s sampling interval, 30 min averaging, 99 daily means) |
| Power | CR2320 coin cell (MU-100) |
| Dimensions (Meter) | 126 × 70 × 24 mm |
| Weight (Meter only) | 150 g (MU-100), 180 g (MU-200 body) |
| Cable Length (MU-200) | 2 m |
| Accessories | AC-100 USB interface cable, AM-310/AM-320 telescoping probe handles, AL-100/AL-210 leveling mounts with bubble vials and three-point adjustment |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SQ-500 |
| Power Supply | Self-powered (no external power required) |
| Sensitivity | 0.01 mV per μmol·m⁻²·s⁻¹ |
| Calibration Factor | 100 μmol·m⁻²·s⁻¹ per mV |
| Absolute Accuracy | ±5% |
| Repeatability | <1% |
| Long-term Drift | <2% per year |
| Nonlinearity | <1% up to 4000 μmol·m⁻²·s⁻¹ |
| Response Time | <1 ms |
| Field of View | 180° (cosine-corrected hemispherical) |
| Spectral Range | 389–692 nm |
| Directional Response Error at 75° | ±5% |
| Temperature Response | −0.11 ± 0.03 %/°C |
| Operating Environment | −40 to +70 °C, 0–100% RH |
| Dimensions | Ø24 mm × 35 mm (sensor head) |
| Weight | 100 g (sensor with 5 m cable) |
| Waterproof Rating | Submersible to 30 m |
| Warranty | 4 years |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | MQ-100 / MQ-200 / MQ-306 |
| Spectral Range | 410–655 nm |
| PAR Measurement Range | 0–3000 µmol/m²/s |
| Field of View | 180° |
| Calibration Uncertainty | ±5% |
| Repeatability | <1% |
| Long-Term Drift | <2% per year |
| Nonlinearity | <1% (up to 3000 µmol/m²/s) |
| Response Time | <1 ms |
| Directional (Cosine) Error | ±5% at 75° zenith angle |
| Temperature Dependence | 0.06 ± 0.06 %/°C |
| Operating Environment | 0–50 °C, ≤90% RH non-condensing |
| Waterproof Rating | IP68 (MQ-200, MQ-301, MQ-303, MQ-306 probe) |
| Data Logging | Manual (99 samples) or Automatic (30-sec measurement interval, 30-min averaging, 99 daily means) |
| Display | Integrated LCD |
| Interface | AC-100 USB cable |
| Power | CR2320 coin cell (MQ-100/MQ-200), CR2477 (MQ-301/MQ-303/MQ-306) |
| Dimensions (Meter) | 125 × 70 × 24 mm |
| Weight (Meter) | 150 g (MQ-100), 180 g (MQ-200), 380 g (MQ-301), 300 g (MQ-303/MQ-306) |
| Probe Count | 1 (MQ-100/MQ-200), 10 (MQ-301), 3 (MQ-303), 6 (MQ-306) |
| Probe Cable Length | None (MQ-100), 2 m or 5 m (MQ-200), 70 cm rod (MQ-301), 50 cm rod (MQ-303/MQ-306) |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SQ-420 |
| Spectral Range | 410–655 nm |
| Calibration Uncertainty | ±5% |
| Repeatability | <1% |
| Long-Term Drift | <2% per year |
| Nonlinearity | <1% (up to 3000 µmol·m⁻²·s⁻¹) |
| Response Time | 1 s |
| Directional Error | ±5% (at 75° zenith angle) |
| Temperature Dependence | 0.06 ± 0.06 %/°C |
| Operating Environment | −40 to +70 °C, 0–100% RH |
| Submersible Depth | <30 m |
| Field of View | 180° |
| Resolution | 0.1 µmol·m⁻²·s⁻¹ |
| Internal Memory Capacity | 10,000 measurements |
| Sampling Interval | 1 s to 1440 min (user-configurable) |
| Power Supply | USB 5 VDC |
| Current Draw | 5.1 mA |
| Probe Dimensions | 60 mm (diameter) × 70 mm (height) |
| Cable Length | 4.6 m |
| Weight | 90 g |
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