Illuminance, Luminance, Radiant Illuminance Meter / HD2102.1 HD2102.2

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Senseka (formerly Delta Ohm)

last updated：May 27, 2026

Handheld high-precision illuminance, luminance, and radiance meter equipped with a large LCD.

■ Measurement of illuminance, luminance, PAR (photosynthetically active radiation), and radiance (spectral ranges of VIS-NIR, UVA, UVB, UVC, UVBC, or effective radiation according to the CIE UV action curve) is possible by selecting the appropriate probe. ■ All probes are equipped with an automatic recognition module (SICRAM) that memorizes the calibration details from the factory. ■ In addition to instantaneous measurements, the illuminance, luminance, and radiance meters calculate the time-integrated values of the obtained measurements. ■ The menu settings allow for the association of time-integrated measurement values and integration times, as well as threshold settings. ■ The HD2102.2 can function as a data logger, capable of storing up to 38,000 measurement data points for single-element probes and up to 14,000 for multi-element probes. The stored data can be transmitted to a PC via RS232C and USB2.0. ■ Data storage intervals, print content, and baud rates can be set via the menu. ■ Equipped with features such as RE (deviation measurement) based on any moment's measurement value, HOLD, and auto power-off. ■ Protection rating IP66. ▼ Illuminance, luminance, PAR, UVA, UVB, UVC, UVBC, illuminance + UVA, blue light, solar radiation ▼ Logging storage data: 38,000 ▼ MAX-MIN-AVG, deviation measurement

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■ Illuminance, Luminance, and Radiant Illuminance Meter Main Unit ○ Dimensions (L×W×H): 185×90×40mm (excluding protrusions) ○ Weight: Approximately 470g (including batteries) ○ Housing Material: ABS resin, rubber ○ Display: 2×4½ digits and display symbols, visible area dimensions 52×42mm ■ Operating Conditions ○ Operating Temperature: -5 to +50℃ ○ Storage Temperature: -25 to +65℃ ○ Operating Humidity: 0 to 90% RH, no condensation ○ Protection Rating: IP66 ■ Power Supply ○ Batteries: 1.5V AA batteries × 4 ○ Battery Life: 200 hours (with 1800mAh alkaline batteries) ○ Current Consumption when Power is OFF: 20μA ○ AC Power: AC adapter (secondary voltage DC12V/1A) ■ Measurement Units lux, fcd, lux/s, fcd/s, W/m2, μW/cm2, J/m2, μJ/cm2, μmol/m2S, μmol/m2, cd/m2, μW/lumen ■ Connections ○ Probe Input: 8-pin male DIN45326 connector ○ RS232C Serial I/F: 8-pin MiniDIN connector ○ USB Interface: Type B MiniUSB connector ○ AC Power Adapter: 2-pin connector (center axis = positive pole)