Illuminance Meter
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| Origin | Taiwan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Asia-Pacific |
| Model | TES-1330A / TES-1332A / TES-1334A |
| Display | 3½-digit LCD |
| Measurement Ranges | 20/200/2000/20000 lux (TES-1330A & TES-1334A) |
| Resolution | 0.01 lux (TES-1330A, TES-1334A), 0.1 lux (TES-1332A) |
| Accuracy | ±3% rdg ±0.5% f.s. (<10,000 lux) |
| Repeatability | ±2% |
| Temperature Coefficient | ±0.1% / °C |
| Sampling Rate | ~2 Hz |
| Recorder Output | DC 2 V full-scale (TES-1332A & TES-1334A) |
| Operating Environment | 0–40 °C, <70% RH |
| Power | 9 V alkaline battery |
| Detector Dimensions | 100 × 60 × 27 mm |
| Meter Dimensions | 135 × 72 × 33 mm |
| Weight | 250 g |
| Accessories | Instruction manual, protective carrying case, 9 V battery |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | TES-1335 |
| Pricing | Available Upon Request |
| Display | 3¾-digit LCD with analog bar graph |
| Measurement Ranges | 40.00 Lux, 400.0 Lux, 4000 Lux, 40.00 kLux, 400.0 kLux, 40.00 fc, 400.0 fc, 4000 fc, 40.00 kfc |
| Overload Indication | "OL" |
| Resolution | 0.01 Lux / 0.01 fc |
| Accuracy | ±3% rdg ±0.5% f.s. (±4% rdg ±10 digits above 10 kLux, calibrated against 2856 K standard tungsten lamp) |
| Spectral Response Compliance | f''₁ < 6% (CIE photopic luminosity function V(λ)) |
| Cosine Correction | Integrated optical cosine diffuser for angular response correction per CIE S 011/E:2003 |
| Temperature Coefficient | ±0.1% / °C |
| Sampling Rate | 1.3 Hz (digital), 13.3 Hz (analog bar graph) |
| Photodetector | Silicon photodiode with precision optical filter |
| Operating Conditions | 0–40 °C, ≤80% RH |
| Storage Conditions | −10–50 °C, ≤70% RH |
| Power Supply | 6 × 1.5 V AAA batteries |
| Battery Life | Approx. 400 hours continuous use (carbon-zinc) |
| Detector Cable Length | 150 cm |
| Detector Dimensions | 92 × 60 × 29 mm (L×W×H) |
| Meter Body Dimensions | 150 × 72 × 35 mm (L×W×H) |
| Weight | 320 g |
| Standards Compliance | CNS 5119 Class AA, IEC 60825-1 (Class 1 LED safety), CIE No. 69:2022 |
| Accessories | User manual, batteries, leather carry case |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic (PRC) |
| Model | TES-1336A |
| Price | Upon Request |
| Measurement Range | 0–20,000 Lux / ft-cd (1 ft-cd = 10.76 Lux) |
| Display | 3½-digit LCD |
| Ranges | 20 / 200 / 2,000 / 20,000 Lux/ft-cd |
| Overload Indication | "OL" |
| Resolution | 0.01 Lux (0.01 ft-cd) |
| Accuracy | ±(3% of reading + 5 digits) |
| Repeatability | ±2% |
| Temperature Coefficient | ±0.1%/°C |
| Sampling Rate | 2.5 readings/sec |
| Sensor | Silicon photodiode |
| Data Logging Capacity | Up to 255 groups, 16,000 total records |
| RS-232 Interface | 9600 bps, includes 9-pin to 25-pin adapter |
| Operating Conditions | 0–40°C, 10–80% RH |
| Storage Conditions | −10–60°C, 10–70% RH |
| Power Supply | 9V alkaline battery (IEC 6F22 / NEDA 1604 / 006P) |
| Battery Life | Approx. 50 hours continuous use |
| Detector Cable Length | 150 cm |
| Detector Dimensions | 87.5 × 60 × 29 mm (L×W×H) |
| Meter Dimensions | 146 × 70 × 39 mm (L×W×H) |
| Weight | 300 g |
| Standard Accessories | Instruction manual, protective holster, 9V battery, RS-232 cable, 9-pin-to-25-pin adapter, calibration rod, software disk |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | TES-1336A |
| Pricing | Available Upon Request |
| Measurement Range | 0–20,000 lux / ft-candles (1 fc = 10.76 lux) |
| Display | 3½-digit LCD |
| Ranges | 20 / 200 / 2,000 / 20,000 lux/fc |
| Overload Indication | “OL” |
| Resolution | 0.01 lux (0.01 fc) |
| Accuracy | ±(3% rdg + 5 digits) |
| Repeatability | ±2% |
| Temperature Coefficient | ±0.1%/°C |
| Sampling Rate | 2.5 readings/sec |
| Sensor | Silicon photodiode |
| Data Storage Capacity | Up to 255 memory groups, 16,000 total records |
| RS-232 Interface | 9600 bps, includes 9-pin to 25-pin adapter |
| Operating Conditions | 0–40°C (32–104°F), 10–80% RH |
| Storage Conditions | −10–60°C (14–140°F), 10–70% RH |
| Power Supply | One 9V alkaline battery (IEC 6F22 / NEDA 1604 / 006P) |
| Battery Life | Approx. 50 hours continuous use |
| Detector Cable Length | 150 cm |
| Detector Dimensions | 87.5 × 60 × 29 mm (L×W×H) |
| Meter Body Dimensions | 146 × 70 × 39 mm (L×W×H) |
| Weight | 300 g |
| Standard Accessories | Instruction manual, protective holster, 9V battery, RS-232 cable, 9-pin-to-25-pin adapter, calibration rod, software disk |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | TES-1339 |
| Pricing | Upon Request |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic (China) |
| Model | Testo 540 |
| Pricing | Available Upon Request |
| Sensor | Phototransistor |
| Measurement Range | 0–99,999 lux |
| Resolution | 1 lux (0–19,999 lux) |
| Accuracy | ±3% of reading (vs. traceable reference standard) |
| Sampling Rate | 0.5 s per measurement |
| Units | lux, foot-candles (fc) |
| Operating Temperature | 0–+50 °C |
| Power Supply | Two AAA alkaline batteries |
| Battery Life | Up to 200 hours (with backlight disabled, typical usage) |
| Ingress Protection | IP10 |
| Dimensions | 133 × 46 × 25 mm |
| Weight | 95 g |
| Brand | testo |
|---|---|
| Model | testo 545 |
| Sensor Type | Silicon Photodiode |
| Measurement Range | 0–100,000 lx |
| Accuracy | ±3% of reading ±1 digit (Class C per DIN 5032-7 / EN 13032-1 Annex B) |
| Resolution | 0.1 lx (<10,000 lx), 1 lx (≥10,000 lx) |
| Operating Temperature | −10 to +50 °C (probe: 0 to +50 °C) |
| IP Rating | IP40 (instrument), IP20 (probe) |
| Battery Life | ~70 h (3 × AA) |
| Weight | 288 g |
| Probe Dimensions | 134 × 54 × 23 mm |
| Main Unit Dimensions | 149 × 60 × 28 mm |
| Cable Length | 1.4 m |
| Compliance | V(λ)-corrected photopic response per CIE 1931 standard, optimized for white and warm-white LEDs (CCT < 5000 K), excluding monochromatic blue LEDs |
| Brand | testo |
|---|---|
| Model | testo 545 |
| Measurement Range | 0.01 to 200,000 lx (typical) |
| Spectral Response | V(λ)-corrected per CIE 1931 standard |
| Accuracy | ±3% ±1 digit (at 25°C, 500 lx, tungsten reference) |
| Operating Temperature | 0 to +50°C |
| Battery | 3 × AA (included) |
| Connectivity | Bluetooth 4.2 LE |
| App Compatibility | testo Smart App (iOS/Android) |
| Compliance | EN 13032-1, DIN 5032-7, ISO/CIE 19476 |
| Origin | Taiwan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Domestic Product Classification | Yes |
| Model | MK350D |
| Pricing | Available Upon Request |
| Instrument Type | Silicon CMOS Linear Array Spectrometer (Not Selenium Cell) |
| Spectral Bandwidth (FWHM) | ~12 nm |
| Spectral Range | 380–780 nm |
| Illuminance Range | 70–70,000 lx |
| Cosine Correction Aperture | Ø6.6 ± 0.1 mm |
| Wavelength Sampling Interval | 1 nm |
| Wavelength Repeatability | ±1 nm |
| CCT Accuracy | ±2% (vs. Standard Illuminant A at 2856 K) |
| CIE x,y Chromaticity Accuracy | ±0.0025 |
| Repeatability | ±0.0005 |
| CRI (R1–R15) Accuracy | ±1.5% |
| Flicker Measurement Range | 1–100%, Frequency: 10–165 Hz, Accuracy: ±5% |
| Display | 0.96" 128×64 monochrome OLED |
| Battery | 700 mAh rechargeable Li-ion, ≤3 h operation |
| Dimensions | 33 × 33 × 90 mm |
| Weight (incl. battery) | 70 ± 5 g |
| Operating Temp. | 0–35 °C |
| Storage Temp. | −10–40 °C |
| Data Storage | MicroSD (up to 2 GB, ~2000 records) |
| Connectivity | Bluetooth 3.0/4.0 (iOS/Android), Mini USB 2.0 |
| Software | uSPECTRUM PC Suite |
| Output Format | CSV/Excel-compatible |
| Resolution | 16-bit ADC |
| Stray Light Rejection | ≤−25 dB (at ±40 nm from 550 nm) |
| Measurement Modes | Single / Continuous |
| Supported Color Spaces | CIE 1931 xy, CIE 1976 u'v' |
| Metrics | CCT, CRI (R1–R15, R9), λP, Illuminance (lx, fc), Flicker %, Flicker Index, Pst, SVM |
| Brand | CLEAN |
|---|---|
| Origin | Taiwan |
| Manufacturer Type | Authorized Distributor |
| Regional Category | Asia-Pacific Manufactured |
| Model | PG200N |
| Price Range | USD 700–1,400 |
| Instrument Type | Silicon Photodiode-Based Spectroradiometer with PAR-Optimized CMOS Linear Sensor |
| Spectral Range | 350–800 nm |
| Wavelength Resolution | 1 nm |
| FWHM | ~12 nm |
| Cosine Correction | CIE 1990 Compliant |
| Accuracy (Illuminance) | ±5% @ Standard Illuminant A (2856 K, 20,000 lx) |
| PPFD Range | 1–3,000 µmol/(m²·s) |
| Irradiance Range | 0.5–1,000 W/m² |
| Lux Range | 70–150,000 lx |
| Repeatability (2σ) | 0.2% |
| Colorimetric Accuracy | ±0.0025 in CIE 1931 x,y |
| CCT Accuracy | ±2% |
| CRI Accuracy | ±1.5% |
| IP Rating | IP66 |
| Display | 4.3" capacitive touch LCD (800×480) |
| Battery Life | Up to 5 hours (2500 mAh Li-ion) |
| Data Storage | ~68,000 records on 8 GB microSD |
| Connectivity | USB-C, Bluetooth 5.0, microSD |
| Operating Temp | 0–35 °C, ≤70% RH (non-condensing) |
| Weight | 280 g ±10 g |
| Compliance | JIS C 1609-1:2006 Class AA, DIN 5032-7 Class B |
| Brand | BJBY |
|---|---|
| Model | UV254M |
| Spectral Range | 220–275 nm |
| Display | Dual 4-digit LCD with backlight |
| Measurement Ranges | High/Low auto-ranging |
| Mounting | Standard 1/4″-20 tripod socket |
| Calibration | NIST-traceable certificate included |
| Data Logging | Auto-record mode with 20-point memory |
| Zero Adjustment | Manual offset compensation |
| Power | Battery-operated with low-battery indicator |
| Compliance | Meets ISO/CIE spectral responsivity requirements for UVC radiometry |
| Brand | ZOLIX |
|---|---|
| Origin | Japan |
| Model | CS-200 |
| Measurement Principle | Grating-based spectral radiometry with linear photodiode array |
| Luminance Range | 0.01–20,000,000 cd/m² (angle-dependent) |
| Measurement Angles | 1°, 0.2°, 0.1° |
| Spectral Matching | CIE 1931 2° standard observer (V(λ), x(λ), y(λ), z(λ)) |
| Accuracy (Lv, 1°) | ±2% ±1 digit |
| Chromaticity Accuracy (xy, 1°) | ±0.002–±0.007 (luminance-dependent) |
| Repeatability (Lv, 1°) | ±0.1% +1 digit to ±0.5% +1 digit |
| Minimum Measured Area | 0.1 mm (with close-up lens) |
| Minimum Working Distance | 296 mm |
| Measurement Modes | Lv xy, Lv u'v', Lv TΔuv, XYZ, Dominant Wavelength |
| Synchronization | Vertical sync input (40.00–200.00 Hz) |
| Interface | USB 1.1 |
| Power | AA alkaline batteries (≈3 h continuous operation) |
| Dimensions | 95 × 127 × 334 mm |
| Weight | 1.8 kg (body only) |
| Operating Environment | 0–40°C, ≤85% RH (non-condensing) |
| Brand | ZOLIX |
|---|---|
| Model | Multi-Channel Calibration & Inspection System |
| Origin | Beijing, China |
| Type | Integrated Optical Calibration Platform |
| Core Components | Integrating Sphere + Light-Tight Enclosure + Fiber-Optic Spectrometer + Precision Linear Motion Stage + Industrial Control Computer + Custom Calibration Software |
| Measurement Parameters | Luminance (cd/m²), Chromaticity (CIE x,y / u'v'), Luminous Flux (lm), CCT (K), CRI (Ra), Dominant Wavelength (nm) |
| Positioning Accuracy | ±0.01 mm |
| Operation Modes | In-line and Off-line |
| Compliance | ISO/CIE Standard Illumination Geometry (4π/2π), ASTM E308, CIE 15:2018, IEC 62471 (Photobiological Safety) |
| Data Traceability | Full audit trail with timestamped measurement records, sample ID linkage, and user-access logging |