UV power meter

H12684 SERIES, C12144

This UV power meter is designed to measure irradiance and accumulated intensity of light emitted from UV-LED light sources.
The sensor is capable of measuring high-intensity UV light yet exhibits minimal decrease in sensitivity even under UV expo-sure, allowing reliable measurement with high reproducibility. The handheld controller has both RS-232C and USB 2.0 ports for remote control from a PC.

Features

  • Measures irradiance and integrated power
  • Measures light from various wavelength UV-LEDs by replacing the sensor head
    Other sensor heads can be used with one controller.
    (Sensor head lineup: Calibrated wavelengths 365 nm, 385 nm, 395 nm and 405 nm)
  • High precision
  • External control: RS-232C, USB 2.0

Specifications

Sensor head H12684-365 H12684-385 H12684-395 H12684-405 Unit
Controller C12144
Sensitive wavelength range 320 to 400 300 to 470 nm
Wavelength of maximum sensitivity 370 395 nm
Calibrated wavelength 365 385 395 405 nm
Effective area φ1 mm
Measurement range *1 Irradiance 0.1 mW/cm2 to 100 W/cm2 ̶
Integrated power 0.1 mJ/cm2 to 9999 J/cm2 ̶
Measurement mode Irradiance Irradiance measurement and display mode (mW/cm2) mW/cm2
Integrated power Integrated power measurement and display mode (mJ/cm2) mJ/cm2
Irradiance peak hold Peak irradiance display mode during measurement (mW/cm2) mW/cm2
External interface RS-232C, USB2.0 ̶
Compatible OS Windows 8 / 10 (32 bit / 64 bit) *2 ̶
Power requirement Two AAA batteries / Dedicated AC adapter / USB ̶
Operating ambient temperature / humidity 0 °C to +40 °C / Below 80 % ̶
Storage ambient temperature / humidity -20 °C to +60 °C / Below 80 % ̶

NOTE:
*1:During measurement of high intensity light, the sensor may heat up and cause the reading to drift over time.
*2:2The supplied USB cable does not support Windows 10. When using the USB 2.0 port on the controller and a PC operating on Windows 10, prepare a commercially available USB-RS232C converter cable and use the supplied RS-232C cable to connect to the USB 2.0 port on the controller via the USB-RS232C converter cable.

※Be careful not to allow UV light to directly strike the controller and cables.
※The sensor is calibrated at the specified calibration wavelength, so when measuring a light source with a spectrum different from the sensor spectral range, the displayed reading may differ from the actual value. To maintain the reliability of the calibrated value, it is recommended to calibrate the sensor once a year.

Spectral response characteristics

H12684-365

 

H12684-385/-395/-405

* Suffix indicates calibrated wavelength.

Dimensional outlines (Unit mm)

Sensor Head H12684 Series + Controller C12144

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