1611-B: Difference between revisions
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{{GR Product | {{GR Product | ||
|model=1611-B | |model=1611-B | ||
|codes=FAVOR,FAVORPASHA | |||
|class=impedance measurement | |class=impedance measurement | ||
|summary=Capacitance Test Bridge | |summary=Capacitance Test Bridge | ||
| Line 13: | Line 14: | ||
{{Catalog History}} | {{Catalog History}} | ||
}} | }} | ||
The | The {{Title|General Radio 1611-B Capacitance Test Bridge}} was introduced in {{Catalog P}} and remained available through {{Catalog S}}. | ||
The | It is a self-contained capacitance bridge suitable for testing of paper, mica, and electrolytic capacitors with 1% accuracy. | ||
A [[tube:6e5|6E5 tube]] (the first Magic Eye) is used as the null indicator along with a detector sensitivity control. | |||
The 1611-B is operating at 60 Hz, or 120 Hz with an external oscillator and filter (Type [[1214-D]] was recommended). | |||
Capacitance measurements at 120 Hz are used primarily for the measurement of polarized electrolytic capacitors. | |||
The '''1611-BQ1''' variant was available for 50 Hz line frequency. | |||
==Specifications== | ==Specifications== | ||
* '''Capacitance Range:''' 0 to 11, | * '''Capacitance Range:''' 0 to 11,000 μF in eight ranges | ||
* '''Test-Voltage Frequency:''' 60 Hz with internal supply and filter; | * '''Test-Voltage Frequency:''' 60 Hz with internal supply and filter; 120 Hz with external supply on four higher multipliers | ||
* '''Capacitance Accuracy:''' ±(1% + | * '''Capacitance Accuracy:''' ±(1% + l pF) over the entire range | ||
* '''Dissipation-Factor Range:''' 0 to 60% at | * '''Dissipation-Factor Range:''' 0 to 60% at 60 Hz (x f/60 at other frequencies) | ||
* '''Dissipation-Factor Accuracy:''' ±(2% of dial reading + 0.05% x f/60 dissipation factor) | * '''Dissipation-Factor Accuracy:''' ±(2% of dial reading + 0.05% x f/60 dissipation factor) | ||
==Links== | ==Links== | ||
* [[Media:GR Exp | * [[Media:GR Exp 1611-B 02_1958.pdf|Experimenter February 1958 describing Type 1611-B]] | ||
==Photos== | ==Photos== | ||
Latest revision as of 23:29, 30 April 2024
The General Radio 1611-B Capacitance Test Bridge was introduced in Catalog P (1959) and remained available through Catalog S (1965).
It is a self-contained capacitance bridge suitable for testing of paper, mica, and electrolytic capacitors with 1% accuracy.
A 6E5 tube (the first Magic Eye) is used as the null indicator along with a detector sensitivity control.
The 1611-B is operating at 60 Hz, or 120 Hz with an external oscillator and filter (Type 1214-D was recommended). Capacitance measurements at 120 Hz are used primarily for the measurement of polarized electrolytic capacitors. The 1611-BQ1 variant was available for 50 Hz line frequency.
Specifications
- Capacitance Range: 0 to 11,000 μF in eight ranges
- Test-Voltage Frequency: 60 Hz with internal supply and filter; 120 Hz with external supply on four higher multipliers
- Capacitance Accuracy: ±(1% + l pF) over the entire range
- Dissipation-Factor Range: 0 to 60% at 60 Hz (x f/60 at other frequencies)
- Dissipation-Factor Accuracy: ±(2% of dial reading + 0.05% x f/60 dissipation factor)
