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The main difference is that the 317 has more CRT accelerating voltage (9 kV versus 1.8 kV) for a brighter, sharp display. | The main difference is that the 317 has more CRT accelerating voltage (9 kV versus 1.8 kV) for a brighter, sharp display. | ||
The 316 has a portable benchtop shape. | The 316 has a portable benchtop shape. | ||
The scope was also made in two other forms, the RM16 and the RS16. The RM16 is a rackmount version of the 316. | The scope was also made in two other forms, the RM16 and the RS16. The RM16 is a rackmount version of the 316. | ||
The RS16 is also a rackmount version of the 316, but has the power supply in a separate unit so it can fit in shallow racks. | The RS16 is also a rackmount version of the 316, but has the power supply in a separate unit so it can fit in shallow racks. | ||
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Early 316 units had [[selenium rectifiers]]. A modification kit, #040-216, was made available to replace them with silicon diodes. | Early 316 units had [[selenium rectifiers]]. A modification kit, #040-216, was made available to replace them with silicon diodes. | ||
== 316-S1 == | ==316-S1 == | ||
The regular Type 316 scope runs on 50 Hz to 60 Hz power and has and AC fan motor. | The regular Type 316 scope runs on 50 Hz to 60 Hz power and has and AC fan motor. | ||
The 316-S1 runs on 50 Hz to 800 Hz power and has a DC fan motor. | The 316-S1 runs on 50 Hz to 800 Hz power and has a DC fan motor. |