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Refurbished Sencore CR7000

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Refurbished

CR7000 Condensed Specifications

CRT TEST FUNCTIONS
Shorts Tests

G1 Shorts: 20 megohm center scale H-K Shorts: 2 megohm center scale.

G2 Voltage

Range: 10-400 VDC Video 1, Proj, and Scope CRT types;

15-600 VDC Video 2 CRT type.

Bias Voltage

Range: Video & Projection: 20, 36, 52, 68, 84, 100, 116, 132,

148, 164, 184 VDC; Scope: all bias voltages divided by 10.

Cutoff & Low Tracking Test

Tests ratio of G2 voltages needed to produce cutoff current in all

3 guns of a color CRT. Cutoff current measured between K and G1.

"Good" indication if the G2 voltages are within 1.25:1.

Emission Test

Measures true beam current reaching G2.

Life Test

Provides approximate indication of cathode reserve current by

lowering filament voltage by 25%.

Hi Tracking Test

Automatically compares emission current between highest and lowest

guns in "Simultaneous" gun test and indicates Good/Bad result with LED.

Filament Voltage

Range: 0-4; 4-8; 8-16 VDC.

RESTORE FUNCTIONS
Reactive Restore

Filament voltage; 50% boost Current limit: 1 mA max.

Reactive Restore

Filament voltage; normal Current limit: 40 mA max.

Normal Restore

Filament voltage; normal Current limit: 80 mA max. with 2 automatic cycles.

High Restore

Filament voltage; 50% boost Current limit: 100 mA max.

with 3 automatic cycles.

Extended Restore

Filament voltage; 50% boost Current limit: 100 mA max.

Remove G1 Shorts

Capacitive discharge between G1 and K/G2 after 20 second delay

for filaments to cool.

Rejuv

Capacitive discharge between G1 and K (400V).

GENERAL

Size: 7 3/4" x 12 1/2" x 8 3/4" HWD

Weight: 13 lbs

Power: 105-125 VAC 50/60 Hz (210-230 VAC available)

Sencore CR7000 datasheet & specifications

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