716-P4: Difference between revisions
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{{GR Product | |||
|model=716-P4 | |||
|codes=BOSOMGUARD,BONUSGUARD | |||
|class=impedance measurement | |||
|summary=Guard circuit | |||
|image=GR 716-P4 Front Close-up.jpg | |||
|caption=General Radio 716-P4 Guard Circuit | |||
|series=716 | |||
|introduced=1954 | |||
|discontinued=1965 | |||
|designers= | |||
|manuals= | |||
* [[Media:GRwiki 716-P4 Guard Circuit 0716-0120-E 11_1965.pdf|General Radio 716-P4 Guard Circuit Manual 0716-0120-E 1965]] | |||
{{Catalog History}} | |||
}} | |||
The {{Title|General Radio 716-P4 Guard Circuit}} was introduced in {{Catalog N}} and remained available through {{Catalog S}}. | |||
The Type 716-P4 is an accessory to the [[716-C]] capacitance bridge. Its designed for measurements were the unknown is located some distance or in a test chamber used to simulate a range environmental factors. | |||
By the use of 716-P4 it converts the [[716-C]] into a three terminal bridge using double insulated coaxial cable and separate ground to the unknown. The 716-P4 can then balance out the effects of the leads to the unknown. | |||
==Specifications== | ==Specifications== | ||
* '''Capacitance Range:''' Designed primarily for use with the xl multiplier ranges of the Type [[716-C]] Capacitance Bridge. | |||
* '''Frequency Range:''' Corresponds to that of Type [[716-C]] Capacitance Bridge. | |||
* '''Guard Balance Capacitor:''' Any value of capacitance between the guard point and the high measuring terminal up to 1000 pF can be balanced out. | |||
==Links== | ==Links== | ||
* [[Media:GR Exp 716-P4 08_1952.pdf|Experimenter describing Type 716-P4 August 1952]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 716-P4 Front.jpg | |||
GR 716-P4 Rear.jpg | |||
GR 716-P4 Left Side.jpg | |||
GR 716-P4 Rear Open.jpg | |||
GR 716-P4 Rear Open A.jpg | |||
GR 716-P4 Top View.jpg | |||
</gallery> | </gallery> | ||
[[Category:Impedance measurement]] | [[Category:Impedance measurement]] | ||
Latest revision as of 17:50, 16 April 2024
The General Radio 716-P4 Guard Circuit was introduced in Catalog N (1954) and remained available through Catalog S (1965).
The Type 716-P4 is an accessory to the 716-C capacitance bridge. Its designed for measurements were the unknown is located some distance or in a test chamber used to simulate a range environmental factors. By the use of 716-P4 it converts the 716-C into a three terminal bridge using double insulated coaxial cable and separate ground to the unknown. The 716-P4 can then balance out the effects of the leads to the unknown.
Specifications
- Capacitance Range: Designed primarily for use with the xl multiplier ranges of the Type 716-C Capacitance Bridge.
- Frequency Range: Corresponds to that of Type 716-C Capacitance Bridge.
- Guard Balance Capacitor: Any value of capacitance between the guard point and the high measuring terminal up to 1000 pF can be balanced out.
