IR-860

High-Performance Energy Modulator

IR-860: High-Performance Energy Modulator

High-Performance Energy Modulator

High-performance closed-loop brushless DC chopper for IR-563 and IR-564 blackbody sources. Superior frequency stability with 10 interchangeable blades covering 1.25 Hz to 45 kHz.

Specifications

Compatible WithIR-563, IR-564 blackbodies
Spindle Speed75 – 7500 RPM
Stability0.5% of set frequency over 4 hours
ControlClosed-loop brushless DC with phase sensors
Reference Output0–5 V TTL, 600 Ω
Blade Range1.25 Hz – 45 kHz (10 interchangeable blades)
Request a Quote Download Datasheet Back to Energy Modulators

Available Configurations

Interchangeable Blade Types

The IR-860 uses 10 interchangeable blade types to cover the full frequency range from 1.25 Hz to 45 kHz. Select the blade that matches your application requirements.

Blade Frequency Range Number of Slots Maximum Aperture Application
A 1.25–125 Hz 1 1.0" Ultra-low frequency modulation
B 2.5–250 Hz 2 1.0" Low frequency applications
C 10–1000 Hz 8 0.992" General purpose (standard blade)
D 30–3000 Hz 24 0.327" Mid-range frequency modulation
E 50–5000 Hz 40 0.196" High frequency applications
F 100–10000 Hz 80 0.098" Very high frequency
G 300–30000 Hz 240 0.0327" Extremely high frequency
H 62.5–6250 Hz 50 0.157" Intermediate frequency
J 450–45000 Hz 360 0.022" Maximum frequency modulation
K 3.75–375 Hz 3 1.0" Low frequency with fine control