опис

SR540 Optical Chopper inner and outer holes dual frequency design chopper plate
SR540 Optical Chopper can meet all your optical modulation requirements, whether for single beam experiments or double beam studies. It features a 4-digit digital frequency display, front panel frequency control, analog voltage frequency control and selectable operating mode with two reference outputs. The two choppers have a 5/6 aperture and a 25/30 aperture, and can achieve optical modulation from 4Hz to 3.7KHz. The reference frequency is consistent with the actual chopper frequency. The closed-loop control system makes the chopper output more stable.

SR540 Optical Chopper inner and outer holes dual frequency design chopper plate
Optical chopper SR540

SR540 optical chopper is the product of SRS Corporation. The product adopts the dual-frequency design of internal and external holes, and can realize dual-frequency operation according to the specified mode. It is very convenient to be used in the dual-beam optical experiment.
Main functional parameters:
Діапазон частот :4Hz~3.7KHz(inner hole :4Hz~400Hz; Outer hole :400~3.7KHz)
Frequency output accuracy :< 2%
Phase stability :0.2°~0.5
Open chopper device
Chopper plate by photochemical corrosion(black0 and degaussing treatment

SR540 Optical Chopper inner and outer holes dual frequency design chopper plate

Chopper frequency4 Hz to 400 Гц (5/6 slot blade)
400 Hz to 3.7 кГц (25/30 slot blade)
Frequency stability250 ppm/°C (typ.)
Frequency drift<2 %, 100 Гц < f < 3700 Гц
Phase jitter0.2° (50 Hz to 400 Гц)
0.5° (400 Hz to 3.7 кГц)
Frequency display4-digit, 1 Hz resolution and accuracy
Frequency control10-turn pot with 3 ranges:
4 Hz to 40 Гц
40 Hz to 400 Гц
400 Hz to 3.7 кГц
Input control voltage0 до 10 VDC for 0 до 100% of full scale. Control voltage overrides frequency dial.
Reference mode?inner, ?outer, 5 × ?outer, ?inner + ?outer, ?outer – ?inner
Dimension controllerКонтролер: 7.7″ × 1.8× 5.1″ (WHL)
Chopper plate diameterChopper head: 2.8″ × 2.1× 1.0″ (WHL)

4.04″ ±0.002

Connecting line length6 футів.
Блок живлення12 В, 100/120/220/240 VAC, 50/60 Гц
warrantyOne year parts and labor on defects in materials and workmanship, 90 days on motor.
Блок живлення10 В, 100/120/220/240 VAC, 50/60 Гц
warrantyOne year parts and labor on defects in materials and workmanship

 






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