NARIKA

ใยแก้วนําแสงชนิดเซมิคอนดักเตอร์　D20-1103-02

NR-635AC, NR-635ACM Dedicated

NARIKA

เลเซอร์ ไลท์ซอร์ส Device SS-L

NARIKA

แท่นเทียน (พร้อมด้วยพาหะ)　D20-1249-02

Candle stand for D20-1249, 50 simple optical stand.

NARIKA

การทดลองโฟโลติค ชุด B　D20-1270

Photovoltaic cells are used to convert the energy of the sun into electrical energy, which is used as a force to conduct experiments on energy conversion.

NARIKA

ฮิคาริโนะมะโตะเตะ

NARIKA

ถ่านน้ําอัดแสงขนาดเล็ก WR (แถบน้ําเท่านั้น)　D20-1289

It is possible to perform experiments on the reflection and refraction of light by water by applying a laser from various angles in a cylindrical gutter of 90 mm in diameter.
There is a magnet on the back side of the watery, so you can use it for demonstration experiments on a blackboard or group experiments using a whiteboard.

NARIKA

กลอง LED RT-Y กลองน้ําหนักกะทัดรัด　D20-1290

It is equipped with a light source that contains water and radiates light in a linear manner in a cylindrical gutter with a diameter of 90 mm.
The body is tilted to change the angle of incidence of light, and the reflection and refraction of light at the water-air interface are observed.

NARIKA

ลําแสงประเภทการทดลอง　D20-1297-01

This is a plastic plate with a hole in the shape of a circle or a star, which is used in an experiment to examine how sunlight travels reflected by a mirror. The size fits the D20-1306 flat mirror C sold separately.

NARIKA

กระจกทดลองสําหรับแสงสะท้อน (1)　D20-1302-01

This is a replacement part for the light reflection experimental mirror (6 pieces) D20-1302.

NARIKA

การทดลองใช้ Surface Mirror 2 ชุด　D20-1309

Observe how two mirrors appear when they are raised at different angles.
The mirror can stand vertically and horizontally.

NARIKA

การสะท้อนแสงแบบทดลองกระจก (กระจกผิว) L　D20-1312-01

Properties of light in the first year of junior high school It is a large horizontal surface mirror that is ideal for experiments to examine the path of light when it is reflected by a mirror.
Large horizontal size that is easy to use for experiments.

NARIKA

มิราเคิล มิเรอร์ (กระจกทรงกลม)　D20-1320

It is made by depositing aluminum on a hemispherical plastic. The inside is a concave mirror and the outside is a convex mirror, so you can clearly see the difference in the image due to the irregularity.
Another feature of this instrument is that you can see a real image of your finger sticking out from a concave mirror.

NARIKA

แผ่นสายรุ้ง (ชุดสําหรับทําหน้าจอรุ้งเทียม)

NARIKA

อุปกรณ์แหล่งกําเนิดแสง L-2 (ประเภทความสว่างสูงสําหรับนักเรียน)　D20-1507

With linear LED (high brightness white), you can check the path of light even in bright classrooms.
This one can emit red, green and white light.

NARIKA

AC อแดปเตอร์สําหรับอุปกรณ์ Light source L-2　D20-1507-50

Refill part for D20-1507 light source device (student, high brightness type) L-2.

NARIKA

เลนส์ควัน

NARIKA

เลนส์ควันแบบกึ่งวงกลม　D20-1612

It is a special plastic lens.
It has a simple protractor for measuring the incident angle of light.

NARIKA

คําอธิบายหลักการใยแก้วนําแสง (ชุด 2 ประเภท)　D20-1614

Optical fibers are made of quartz or plastic with good transmission.
It is a teaching material that briefly explains the introduction of the principle of optical fiber.

NARIKA

การทดลองการหักเหแสง (1)　D20-1842-01

It is a glass plate with 3 types of single slits, 3 types of double slits and 2 types of diffraction gratings.
The slits are cut with good accuracy and can be used as constants in experiments.

NARIKA

［เลิกผลิตแล้ว］โปรเจคเตอร์คลื่นน้ํา FRT-3000 N　C15-4004

Water wave projection device with integrated light source.
The high-brightness white LED is used as the light source, and the strobe function is built-in, and the vibrator of the vibration source and the synchronization are realized, so you can project still and beautiful waves.

NARIKA

［เลิกผลิตแล้ว］RT-Y2　C15-4006

It is a display device that projects water waves generated by the device onto the ceiling for all students to observe.
It is now possible to split the wave source output in two and switch the polarity by the switch.

NARIKA

［เลิกผลิตแล้ว］สลิตเซต อาร์เอ็น สําหรับการทดลองการหักเห　D20-1521

A set for conducting light diffraction and interference experiments.
The set includes 2 types of slits A and B and 3 grating slides.

NARIKA

［เลิกผลิตแล้ว］Simple Spectrometer SM -200 N　D20-1828

A simple spectrometer that observes the spectrum of light.
If you look into it, you can see the spectrum and the wavelength scale.

NARIKA

［เลิกผลิตแล้ว］ลูกปัดการตรวจสอบ UV (ลูกปัดตรวจจับ UV)　S75-3615

It is usually white, but it turns red, orange, yellow and purple in a few seconds when exposed to ultraviolet rays.
If you leave the watch out of ultraviolet light, it will turn white again.