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 Transmittance Meter

product model TLV-304-BP
TLV-304-BP brochure
Image TLV-304-BP PDF

Movie clips

TLV-304 Movie 1
figure TLV-304-BP Explanation

The TLV-304-BP is a compact transmittance meter. This unit quickly measures
the transmittance with intended wavelength by bandpass filters.
It allows easy measurement by placing a sample after one-touch calibration.
It is suitable for a quick inspection process to conduct large volume of measurements.

figure TLV-304-BP Optical Configuration
  • Transparent conductive film glass
  • Film
  • Glass blank
  • Resin material
  • Filter glass



Output wavelength

440-730nm *Specified by a filter

Spectroscopy device

Bandpass filter 25mm dia.

Light source

White LED


4 digit digital display (xxx.x) Unit: %

Measurement accuracy

Within ± 2% *1

Measurement reproducibility

Within ± 0.5%

Measurement time


Distance between detector and light source

Approximately 50mm

Beam diameter

6mm dia.

Sample size

Min. 15mm dia.

Input voltage

AC100 - 240V 50/60Hz (Input range: AC85 - 264V)

Apparent power

Less than 7VA (AC100V/50Hz)

Remote control

RS485 *The cable is optional.

Recommended environment

Temperature 10 - 35 deg C


Humidity less than 70% *Avoid condensation


150(W) x 204(D) x 213(H)mm



*1 It is calculated by a measurement of JQA guaranteed sample.