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eXact 100 User Manual

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E
INSTRUCTION
MANUAL
TYPE
100
AND
TYPE
105
VOLTAGE
CALIBRATORS
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eXact 100 Specifications

General IconGeneral
BrandX-Rite
Measurement Geometry45°/0°
Spectral Range400 - 700 nm
Spectral Interval10 nm
Aperture Size4mm, 6mm
InterfaceUSB

Summary

Section I: General Description

Electrical Specifications

Details output accuracy, frequency, voltage range, impedance, and input characteristics of the voltage calibrators.

Basic Principles and Applications

Explains the fundamental operation and practical uses of the Type 100 and Type 105 voltage calibrators.

Ceramicized Front Panel

Describes the durable, scratch-resistant, and stain-impervious ceramic coating on the calibrator's front panel.

Section II: Operation

Controls and Outputs

Details the function of the power switch, output selection, voltage/meter controls, and output jack.

Input and Signal Mixing

Explains the unknown input jack and the mixed-normal switch for signal comparison and operation modes.

Typical Use: Oscilloscope Calibration

Guides the user on how to calibrate an oscilloscope using the Type 100 voltage calibrator.

Type 105 Operation: Comparing Unknown Signals

Specific instructions for using the Type 105 to compare an unknown signal against the internal calibrator.

General Considerations

Discusses safety features like the 3-wire power cord, power supply input range, and cabinet warmth.

Section III: Circuit Description

Transformer, Rectifiers, and Regulated Supplies

Details the transformer, silicon rectifiers, and the -150V and +175V regulated DC power supplies.

Waveform Generator Circuits

Explains the trigger generator, shaper/amplifier, and bi-stable multivibrator for generating waveforms.

Meter/Output and Chopper Comparator Circuits

Describes the meter circuit for voltage indication and the chopper circuit for signal comparison.

Section IV: Maintenance

Calibration Procedure

Covers cooling, cleaning, case removal, tube replacement, power supply checks, and frequency adjustments.

Bi-stable Multivibrator and Meter/Output Stage Adjustment

Details setting the variable control and adjusting the meter balance for accurate output.

Trouble Shooting Guide

Provides common troubleshooting steps for issues related to tubes, power supplies, and circuit stages.

Voltage Chart

Presents measured tube socket voltages for troubleshooting and calibration reference.

Replacement Parts List

Lists components such as capacitors, resistors, fuses, and vacuum tubes required for maintenance and repair.

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