Optec Optec SSP-5a Photomultiplier Tube Photometer (generation 2)  $2,495.00,Free Shipping,  Optec 17009,Telescope Accessories Accessories, Cheapest Prices
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OPTEC OPTEC SSP-5A PHOTOMULTIPLIER TUBE PHOTOMETER (GENERATION 2) 17009

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Optec Optec SSP-5a Photomultiplier Tube Photometer (generation 2)

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OPTEC SSP-5A AUTOMATED PMT STELLAR PHOTOMETER, GEN.2 17009

Item No. 782-22140
Manuf. No. Optec 17009

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Optec Optec SSP-5a Photomultiplier Tube Photometer (generation 2), 17009

The SSP-5 photomultiplier-based single channel photometer provides greater sensitivity than the SSP-3 and faster response time for occultation work. The SSP-5 has nearly 5 magnitudes greater sensitivity compared to the SSP-3. Using an optional extended red-sensitive PMT and Optec filters, the SSP-5 can provide accurate photometric measurements in the Johnson U, B, V and R bands. Optec also stocks filters for the Strmgren u v b y bands and H-beta band. Like the SSP-3, the SSP-5 has been extensively upgraded with PIC microcontroller technology and a direct computer serial interface. The SSP-5 can also be ordered with the optional motorized 6-filter slider for robotic operation. This model is refered to as SSP-5A.

Optec has been making the SSP-5 and 5a high-precision stellar photoelectric photometer for nearly 20 years. Recently, the SSP-5 has had a major upgrade to bring the technology up to current standards. The current model is considered Generation 2. The use of a photomultiplier tube (PMT) allows fainter stars to be measured accurately and the enhanced response time of 1 ms allows fast events such as lunar occultation to be recorded with greater time resolution.

With the R6350 PMT option, the SSP-5 can exhibit an S-5 response similar to the original 1P21 photomultiplier tube. For researchers interested in greater low light sensitivity and extended red response to 830 nm, the R6358 PMT option is available. Each PMT is a 9-stage side-on low-noise photomultiplier housed in a small -inch diameter enclosure. The system is powered by a small 12 VDC universal power supply.

In spite of the fact that a PMT based photometer is more sensitive to damage from bright lights or rough handling, a great deal of effort has been expended to make the SSP-5 nearly as survivable as the SSP-3. The SSP-5 will allow the researcher to measure both bright and faint stars in the UBVRI spectral region with the degree of precision and reliability associated with the venerable SSP-3.

The SSP-5 Photometer is the central part of a complete stellar magnitude measurement system as shown in the system diagram below. This latest version of the SSP-5 features a serial output port for connection to a PC or laptop computer. An interface program called SSPDataq (freeware) is available with updated version found on the Optec web site. This program allows for data capture in any color and reduction of B and V magnitudes. The SSP-5 is intended for serious observers and it is recommended that the prospective user consult the SSP-5 manual fully before deciding to purchase.


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