Illuminance Meter
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| Brand | Acclima, Inc. |
|---|---|
| Origin | USA |
| Model | TDR310H |
| Volumetric Water Content (VWC) | 0–100% (0.1% resolution |
| Soil Temperature | −40 to +60 °C (0.1 °C resolution |
| Dielectric Constant | 1–80 (0.1 resolution |
| Bulk Electrical Conductivity (ECb) | 0–5000 μS/cm |
| Pore Water Electrical Conductivity (ECw) | 0–55,000 μS/cm (1 μS/cm resolution |
| Response Time | 0.25 s |
| Power Supply | 3.5–15 V DC |
| Operating Current | 36 mA @ 12 V DC (typical), <10 μA idle |
| Output Interface | SDI-12 |
| Probe Length | 15 cm |
| Probe Diameter | 0.35 cm |
| Dimensions | 22.56 × 3.34 cm |
| Weight | 440 g (body only, no cable) |
| 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 |
| Brand | AS ONE |
|---|---|
| Origin | Taiwan |
| Manufacturer Type | Manufacturer |
| Country of Origin | China (Domestic) |
| Model No. | 1-5818-01 |
| Sensor Type | Silicon Photodiode |
| Display | 3.5-digit LCD with backlight |
| Accuracy | ±(5% rdg + 10 digits) |
| Sampling Rate | 2.5 samples/sec |
| Units | Lux (lx) and Foot-candles (fc), switchable via single button |
| Data Hold Function | Yes |
| Peak Hold Function | Yes |
| Sensor Mounting | Integrated fixing pin for secure sensor-to-body attachment |
| Power Supply | Not specified in source data |
| Brand | TAMASAKI |
|---|---|
| Origin | Japan |
| Model | FY-18L |
| Light Source | 18 W High-Power White LED |
| Illuminance | ~34,000 lux at 45 cm (with clear filter) |
| Adjustable Brightness | Continuous DC dimming (0–100%) |
| Optical Output | Dual-filter system (clear and diffuser), optional Daiglo green bandpass filter (transmission peak ~525 nm, cutoff <500 nm & >600 nm) |
| Cooling | Fanless active heat sink |
| Power Input | AC 100–240 V, 47–63 Hz |
| Output | DC 24 V / 1.67 A |
| Power Consumption | 2.8–22.6 W |
| LED Lifetime | ≈50,000 h (L70) |
| Dimensions (Base) | W180 × D120 × H50 mm |
| (Light Head) | Ø68 × D86 mm |
| (Max Extended Height) | 638 mm |
| Weight | 3.4 kg (lamp only, excluding adapter) |
| Photodetector Type | Silicon photodiode (integrated illuminance reference path) |
| Compliance | CE-marked per EN 61326-1 (EMC), EN 62471 (Photobiological Safety), RoHS 2015/863/EU |
| Brand | Konica Minolta |
|---|---|
| Origin | Japan |
| Model | T-10 / T-10M |
| Illuminance Range | 0.01–299,900 lx |
| Spectral Match | f₁′ ≤ 8% (vs. CIE V(λ)) |
| Cosine Error | ±1% at 10°, ±7% at 60°, ±25% at 80° |
| Accuracy | ±2% ±1 digit (Konica Minolta standard) |
| Output | RS-232C digital, 1 mV/digit analog |
| Display | Backlit LCD, 3–4 digits |
| Operating Temp | –10 to 40°C, RH ≤ 85% (non-condensing) |
| Power | 2× AA batteries (≥72 h continuous) |
| Dimensions (main unit) | 69 × 161.5 × 30 mm |
| Weight | 200 g (T-10), 205 g (T-10M) |
| Compliance | Designed for ISO/CIE-compliant photometric measurement in industrial, architectural, and environmental applications |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LJ350UV |
| Price | USD 1,390 (FOB Qingdao) |
| Wavelength Range | 200–400 nm (UV-C to UV-A) |
| Spectral Bandwidth (FWHM) | 2 nm |
| Optical Resolution | 0.2 nm |
| Wavelength Accuracy | ±0.5 nm |
| Detector | High-precision CCD array |
| Input Aperture | Ø10 mm |
| Display | 5.0" IPS capacitive touchscreen |
| Operating System | Embedded Linux |
| Battery | 4000 mAh Li-ion, 10 h continuous operation |
| Data Storage | 4 GB microSD (≥60,000 records) |
| Interface | USB Type-C (≥1 A current rating) |
| Illuminance Accuracy | Class I (±4% reading ±1 digit) |
| Chromaticity Repeatability | ±0.0005 in CIE 1931 (x,y) |
| CCT Range | 1,000–100,000 K |
| Stray Light | ≤0.3% |
| Operating Temp. | −10 to +40 °C, RH <70% (non-condensing) |
| Storage Temp. | −20 to +45 °C, RH <70% (non-condensing) |
| Dimensions | 146 × 81 × 22.8 mm |
| Weight | ~300 g (body only, with battery) |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | ST-85 |
| Instrument Type | Silicon Photocell-Based Illuminance Meter |
| Measurement Range | 0.1–199.9 × 10³ lx |
| Relative Indication Error | < ±4.0% |
| V(λ) Matching Error (f₁) | < 6.0% |
| Cosine Correction Error (f₂) | < 4.0% |
| Nonlinearity Error (f₃) | < ±1.0% |
| Range Switching Error (f₄) | < ±1.0% |
| Fatigue Error (f₅) | < −0.5% |
| Response Time | < 1 s |
| Operating Temperature | 0–40 °C |
| Operating Humidity | < 85% RH |
| Dimensions | 160 mm × 78 mm × 43 mm |
| Weight | 0.2 kg |
| Power Supply | 6F22 9 V alkaline battery (non-rechargeable) |
| Total Power Consumption | < 0.1 VA |
| Display | Backlit LCD |
| Range Selection | Manual/Automatic |
| Output Interface | USB digital output with redundant power capability |
| Additional Functions | Data hold, low-battery indicator, auto power-off delay, tactile key operation with audible beep feedback |
| 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 |
| Brand | Solar Light |
|---|---|
| Origin | USA |
| Model | PMA2106 |
| Detection Principle | Broadband Non-Weighted UVB (280–320 nm) |
| Spectral Response | Flat, Unfiltered Silicon Photodiode with UVB-optimized optical filter |
| Angular Response | Lambertian (Cosine-corrected, ±5% up to 60° incidence) |
| Measurement Range | 0.001–200 mW/cm² (0.01–2000 W/m²) |
| Resolution | 0.001 mW/cm² / 0.01 W/m² |
| Operating Temperature | 0–50 °C (32–120 °F), non-condensing |
| Temperature Coefficient | ±1 %/°C (for solar UVB irradiance) |
| Cable | Retractable coaxial, 0.3–1.5 m |
| Dimensions | Ø40.6 mm × H45.8 mm |
| Weight | 200 g |
| Calibration | NIST-traceable, factory-calibrated for UVB irradiance (mW/cm² and W/m²) |