Wednesday, 28 July 2021
Product Detail of - OPTICAL POWER METER 3664
Product Category : Network LAN Optical Power
Series : LED Optical Meter

Test the Optical Power Integrity of Laser and LED Equipment

The 3664 is an optical power meter for measuring the optical power of a spatial light. It is ideal for testing the optical power of a laser light source and an LED light source. The optional optical sensors for the power meter are interchangeable and their sensitivity can be adjusted independently.

Order Code

*This product cannot perform measurement alone. Please purchase an optional light sensor separately.
*Use of Optical Sensor 9743/ 9743-10 that are exclusively for blue-violet optical lasers is not supported on earlier versions of Model 3664 (Version 1.01 or earlier). Please visit to download the Hioki 3664 Setup Utility to enable compatibility of the Optical Sensors with all versions of Optical Power Meter 3664.

Bundled accessories


3.5 mm (0.14 in) dia. mini plug to banana, 1.5 m (4.92 ft) length

AC ADAPTER 9445-02

For USA, 100 to 240 V AC, 9 V/ 1 A

AC ADAPTER 9445-03

For EU 100 to 240 V AC, 9 V/ 1 A


For blue-violet optical lasers


Maximum rated value: 100 mW


Maximum rated value: 100 mW

Basic specifications (Accuracy guaranteed for 1 year)

Measurement items Optical power (W, dBm)
Measurable wavelength Depends on optical sensor in use (option)
Measurable power Depends on optical sensor in use (option)
Accuracy ±0.7 % (±5 % in combination with the optional sensor)
Wavelength sensitivity compensation Can be set for every 1 nm, Automatic compensation for the sensor’s sensitivity
Display 19999 max. Display resolution: 0.01 dBm / 0.01 dB,
Measurement display unit: nW, μW, mW, dBm, dB
Analog output Depends on optical sensor in use (option)
(1 V approx. or 0.7 V approx. when the sensor calibration point input)
Functions Scaling, Relative measurement, Max. value/ Min. value/ Average-value display, Auto power save, Setting backup, Battery check
Interfaces USB 1.1 (Output measurement value and remote control)
Power supply LR6 (AA) alkaline batteries ×4, Continuous use : 60 hr (using with the 9742 optical sensor as correction input), or AC adapter 9445-02/-03, 1.6 VA max.
Dimensions and mass 85 mm (3.35 in) W × 160 mm (6.30 in) H × 35 mm (1.38 in) D, 270 g (9.5 oz) (without batteries)
Accessories AC Adapter 9445-02 (for USA) ×1 or 9445-03 (for EU) ×1, Output Cord 9094 ×1, Driver software (CD-R) ×1, LR6 (AA) alkaline batteries ×4, USB cable ×1, Strap ×1, Instruction manual ×1


Related Product Category Network LAN Optical Power
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