Fluke 875 manual Test Procedure TP876A-1-108

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Victoreen 875

Operators Manual

Table 5-1.

Recommended Test Equipment

 

 

 

 

 

Current Generator - Test Electrometer

 

 

 

Range

 

1 x 10-12Amps to 1 x 10-3Amps

Accuracy, Current Generator

10-12Amps ± 10%

 

 

10-11Amps ± 3%

 

 

10-10to 10-7Amps ± 2%

 

 

10-7to 10-3Amps ± 0.2%

Accuracy Test Electrometer

± 0.2% ± 1 digit with integration time long enough to accumulate 3

 

 

significant digits of volts indicated on display V/R ± 0.2% ± 1 digit

 

 

 

 

 

Adjustable AC Voltage Source

Maximum Voltage

Low range 140 VAC, high-range 280 VAC

Frequency

 

60 Hz

 

 

 

 

 

4 ½ Digit Digital Multimeter

Fluke 8600A or equivalent

 

Ranges

 

+ 0 to 100 mV up to + 0 to 100 V (20% over-range)

Accuracy

 

100 mV range: ± (0.05% of input ± 0.02% of range)

 

 

all other ranges: ± (0.02% of input ± 0.01% of range)

Input Impedance

> 10 megohms

DC Voltage

 

± 0.03%

AC Voltage

 

± 1%

DC Current

 

± 0.3%

 

 

 

 

 

Trim Pot Adjustment Tool

 

 

 

 

 

Carbon Composition Resistor

Resistance

 

10 kilohms, ½ W, 5%

Lead Connectors

Small alligator clips

 

 

 

 

 

DC Power Supply

Output Voltage

 

0 to + 25 VDC

Output Current

 

0 to 600 mA

Load Regulation

0.01% ± 4 mV

Adjustable Current Limit

Down to 10 mA

 

 

 

 

 

Multi-function Counter

 

 

Fluke 1900A or equivalent

 

Frequency

 

5 Hz to 80 MHz (0.1 to 100 Hz Resolution)

Period

 

5 Hz to 1 MHz, single and multiple period averages

 

 

(1 to 100 nsec resolution)

Total Counts

 

1 to 999,999 counts

 

 

 

Test Procedure TP876A-1-108

Factory test procedure, TP876A-1-108, contains this information necessary to perform electronic alignment of the 876A-1-108 Readout Module. This procedure is included in Appendix A.

5-2

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Contents Victoreen High Range Containment MonitorFluke Biomedical Table of Contents Calibration and Test Procedures Specifications IntroductionGeneral Description Containment MonitorTemperature Operating 40 to 120F 4 to 49C Readout Module 876A-1Rack Chassis Equipment OverviewHigh-Range Containment Monitor Detector Pull Box Assembly Cables/Connectors/PanelFlexible Tubing 878-12-30TAB Optional EquipmentHigh-Range Containment Monitor Typical Energy Response Curve Detector Typical Linearity Detector High-Range Detector, Recommended Installation Receiving InspectionProcedures, Warnings, and Cautions StorageBlank Installation InstallationReadout Module Pull BoxSpecifications for Cable Cable SealingCable and Wiring Installation Detector Test After InstallationSpecifications for Cable Detector Cable Inside ContainmentAncillary Wiring All Alarms on P2 Normal Operation Shelf StatePower Connections P1 Computer & RecorderOperation OperationVictoreen Readout Module 876A-1 Function DescriptionFunctional Description Negative Power Supply Operation of High Voltage Supply During ECS Test High Voltage Power Supply Normal Operation non-ECS TestFAIL/SAFE Comparison Circuit on Power Supply Board High Alarm Circuit Alert Alarm CircuitPen Clamp Fail/Safe CircuitRecorders and Computer Buffers Panel Meter Action During ECS Test Meter at extreme lower end of scaleMonitoring Circuits of The ECS Board Action of Green Safe/Reset Light and Alarm During ECS TestLow Voltage Ramp Generator Block Diagram of ECS Test Safe/Reset Sub-circuits Muting Circuits of ECS BoardBlank Calibration Maintenance, Calibration, and TroubleshootingMaintenance Test Procedure TP876A-1-108 Troubleshooting Signal Input Circuit Mother Board P/N 876-1-78, Schematic 876-1-3APreamplifierIMeter Board P/N 876A-1-86, Schematic 876A-1-3E Rear PanelTP501 TP502 +6.3 Test Point Normal Channel TestNormal Low Signal Level Channel Test High Alarm CircuitMuting Stages of the Alarm Circuits ESC Board P/N 876A-1-92, Schematic 876A-1-3D Wave Shapes on the Electronic Check Source Board Starting With Terminal H on Relay Driver Board Starting With Pins M and P on the Power Supply SchematicOverall Fail Circuitry Associated with the ECS Test Outputs of U206 Pulse Generator on the ECS Board Operation of the Latch CircuitLatch Circuit Circuit assumed initially in Pass Condition Fail ConditionNOR Pin Voltage State CommentsCalibration and Test Procedures Blank Cable and Pull Box Procedures Cable and Pull Box ProceduresVictoreen Document Number Description Applicable Drawings and Bill of MaterialsApplicable Drawings Detector Cable Out of Containment Applicable Bill of Materials Fluke Biomedical