Terahertz C-995-OH-3 Open Head Optical Chopper with 3 Slot Blade (4 Hz to 500Hz)
$1,076.00
In Stock
The Terahertz C-995-OH-3 Open Head Optical Chopper delivers high-precision signal modulation diagnostics for laboratory laser spectroscopy and optical research setups. This specialized open-head instrumentation platform features a 3-slot blade configuration to modulate light beams across a stable 4 Hz to 500 Hz frequency range. Driven by a micro-processor controller, it provides a 4-digit crystal-controlled digital display output with an external sync link to prevent signal drift.
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Terahertz C-995-OH-3 Open Head Optical Chopper with 3 Slot Blade (4 Hz to 500Hz) Specs
| Chopping Frequency Range | 4 Hz to 500 Hz ( Inner slots) |
| Aperture Size | 0.6 inch by 0.2 inch (15 x 4.5 mm) |
| Frequency Control | Phase-Locked-Loop, Direct Digital Synthesis |
| Frequency Uncertainty | ±.0025 % of setting |
| Phase Jitter | 0.1 % peak to peak, 3 slot section, 1.0 % peak to peak, 30 slot section |
| Settling Time to Phase Lock | < 3 seconds |
| External Clock Input Requirements | TTL, CMOS Compatible Square Wave, 4 Hz to 5000 Hz |
| Sync Signal Output | TTL, CMOS Compatible Square Wave |
| Display | Five Digit, high intensity green, 0. 5 “ high |
| Temp. Coefficient of Chopping Frequency | < 10 ppm/C |
| Frequency Resolution (W/Rs-232 Control) | .001 Hz |
| Frequency Resolution (W/Front Panel Control) | .01 Hz |
| Counter Resolution using External Clock | 0.1 Hz, 1 Hz |
| Rs-232 Interface | 9600 Baud, N-8-1, 3 wire |
| Chopper Head Mounting | Standard 8-32 tapped holes, mounting rod and stand is provided |
| Chopper Blade Diameter | 4.1 inch diameter |
| Operating Temperature Range | 0 - 40 C |
| Dimensions (Head) | 4.5 “ H x 4.5 “ W x 2 “ D, 114 mm x 114 mm x 51 mm |
| Dimensions (Controller) | 2.7 “ H x 7 “ W x 9.1 “ D, 69 mm, 178 mm, 231 mm |
| Interconnecting cable supplied | Coiled Cord 10 feet max length |
| Power Requirements | 95-260 VAC, 50-60 Hz, 15 VA Max |
| CE Certification | Yes |
| Weight | 3 lbs, 1.36 Kg |
| Accessories Provided | Mounting rod and stand, Rs-232 cable, Power Cord, Operating Manual |
| Standard Warranty | Two years, Components and Workmanship, 30 Day Satisfaction Guarantee |
| Application Software Provided | Downloadable from TTI website, www.terahertztechnologies.com |
- Mounting rod and stand
- Rs-232 cable
- Power Cord
- 3 slot blade
- Operating Manual
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