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Light (Lux)

Light Meter (USB)

Product Code: HT-1309

(69.30 exc. VAT)
(65.90 exc. VAT)
(62.40 exc. VAT)
Measures illuminance (Lux, footcandle) in the field, meeting CIE photopic spectral response and is fully cosine-corrected for the angular incidence of light. The HT-1309 digital illuminance meter is a precision instrument and is compact, tough and easy to handle. The light sensitive component is a very stable, long-life silicon photo diode and spectral response filter. Supplied with Windows compatible software for transferring data to a computer, removable rubber protective holster (including tilt stand), USB cable, carry case and 9V battery.

• High accuracy and rapid response. Short rise and fall times
• Peak-hold function for tracing peak signal of light pulse with least duration
• Data-hold function
• Automatic zeroing, auto ranging, relative reading
• Lux/FC measuring mode. Min/Max measurements
• Easy to read, large backlit display
• Windows compatible software (CD-ROM) supplied

Technical Details
Display3 3/4 digit LCD with high speed 40 segment bar graph
Max Range400,000 Lux, 40,000 FC
Over Range DisplayLCD will show "OL" symbol
Spectral ResponseCIE Photopic (CIE human eye response curve)
Spectral AccuracyCIE Vλ function f1'≤6%
Cosine Responsef2' ≤2%
Accuracy±5% rdg±10d.(<10,000Lux), ±10% rdg±10d.(>10,000Lux)
Sampling Rate1.5 times/sec analog bar-graph and digital display
Photo DetectorOne silicon photo diode and spectral response filter
Operating Temperature0°C to +40°C (+32°F to +104°F)
Operating Humidity0% to 80% RH
Power1 x 9V battery (supplied). Auto power-off: 20 minutes
Meter Dimensions170mm (L) x 80mm (W) x 40mm (H)
Photo Detector Dimensions115mm (L) x 60mm (W) x 20mm (H) + 150cm coiled lead
HT-1309 Light Meter Software

HT-1309 Light Meter Software

Compatible with Microsoft Windows 7, 8, 10

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