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Avtron Model T477W Bonding Meter

with B14703 Battery Pack Replacement Instructions

Part Number T477WC15292

Replacement Parts List

10-2

REPLACEMENT PARTS LIST

SCHEMATIC

REFERENCE

DESCRIPTION

AVTRON

P/N

QTY/

UNIT

Form No. 755

AVTRON MODEL T477W

C15292

BONDING METER

.Charging Unit

B15693

1

..Adapter (European)

A14166

1

.Battery Assembly

B14703

1

.Probe Set

C22161

1

.Carrying Case

A15960

1

Optional Probe Sets:

Probe Set

C15478

1

Probe Set

C15479

1

Probe Set

C15480

1

Probe Set

C16695

1

NOTE:

Miscellaneous probe set replacement parts available.

WARNING:

This information is subject to the export control laws of the United States, specifically including the Export Administration Regulations (EAR), 15 C.F.R. Part 730 et. seq.

Transfer, retransfer, or disclosure of this data by any means to a non-U.S. person (individual or company), whether in the United States or abroad, without any required export license or

other approval from the U.S Government is prohibited, including without limitation any diversion to a military end user or use in a military end use application.

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Содержание T477W

Страница 1: ...AR ECCN 9E610 a This information is subject to the export control laws of the United States specifically including the Export Administration Regulations EAR 15 C F R Part 730 et seq Transfer retransfe...

Страница 2: ...EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in the United States or abroad without any required export li...

Страница 3: ...lication PROPRIETARY NOTE This document contains information PROPRIETARY to Avtron Aerospace Inc It is furnished solely to provide information sufficient for instruction operation maintenance evaluati...

Страница 4: ...EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in the United States or abroad without any required export li...

Страница 5: ...INSTRUCTIONS 2 1 2 1 Initial Operation 2 1 2 2 Battery Charging 2 1 2 3 Probes 2 1 2 4 Minimizing Error Contributed by Probes 2 2 2 5 C22161 Probe Set 2 2 2 6 C15479 Probe Set Optional 2 3 2 7 C15478...

Страница 6: ...whether in the United States or abroad without any required export license or other approval from the U S Government is prohibited including without limitation any diversion to a military end user or...

Страница 7: ...ed with a set of probes having four wire Kelvin connections In addition a separate power supply is provided for charging the T477W batteries The T477W Bonding Meter is certified by Underwriter Laborat...

Страница 8: ...cifically including the Export Administration Regulations EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in...

Страница 9: ...be charged for 14 16 hours Continuous charging for prolonged periods weeks or months is not recommended Refer to Section VI for further details on battery charging and power sources other than 120 VAC...

Страница 10: ...is alternating therefore a small transformer effect coupling exists between the current sourcing and voltage sensing leads This effect is best minimized when the voltage sensing leads are separate fro...

Страница 11: ...3 2 6 C15479 Probe Set Optional These probes Figure 2 2 have separate current and voltage leads and the voltage sensing leads are bound together for nearly the full length of the cable which best mini...

Страница 12: ...are identified by the following GRIP COLOR CODE Black is for positive and negative current Red is for positive and negative voltage Additionally on the compass style probes the blunt spring loaded ti...

Страница 13: ...automatically positioned for each range In order to conserve battery power a built in timer automatically shuts off the display after 52 seconds of operation The display may be illuminated by pressin...

Страница 14: ...tors Temperature Capacity is rated for room temperature operation 25o C and is tested for operation at 15 and 60o C Operation above room temperature causes significant reduction in capacity Charge His...

Страница 15: ...U S Government is prohibited including without limitation any diversion to a military end user or use in a military end use application 3 1 3 CIRCUIT DESCRIPTION The T477W is designed to measure value...

Страница 16: ...specifically including the Export Administration Regulations EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether...

Страница 17: ...1 Calibration The circuit is composed of solid state devices which have been subjected to extensive testing and therefore few failures are anticipated However periodic testing against a known resista...

Страница 18: ...edure There are no user adjustable components If an alignment failure is found during the verification contact Avtron Aerospace Inc to return the unit for repair NOTE Perform the above field calibrati...

Страница 19: ...with a broken tamper seal may be honored only after an evaluation of the meter is performed by Avtron 4 5 Preventive Maintenance The T477W is powered by rechargeable nickel cadmium batteries The batte...

Страница 20: ...serious One method of testing the battery pack is to load it with 22 ohm 2 watt resistor and measure the terminal voltage It should be 4 volts or 0 2 volts for a fully charged battery A better test to...

Страница 21: ...the front panel from the case The battery is the large blue black panel labeled B14703 located in the middle of the bottom circuit board The battery connections are the four terminals labeled 1 2 3 a...

Страница 22: ...pecifically including the Export Administration Regulations EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether i...

Страница 23: ...and must be set to the appropriate range before use Failure to position the switch to the appropriate range may damage the power supply It is recommended that power supplies operated from input power...

Страница 24: ...pecifically including the Export Administration Regulations EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether i...

Страница 25: ...tery may remain on the circuit board with the meter display off 2 Open the case to gain access to battery pack leads as described in steps 1 and 2 in the B14703 Battery Replacement Instructions at the...

Страница 26: ...roval from the U S Government is prohibited including without limitation any diversion to a military end user or use in a military end use application 7 2 7 Batteries failing the discharge test may ha...

Страница 27: ...locations Battery Packs are shipped in a discharged condition Therefore newly installed batteries must be recharged overnight before use See T477W manual for recharging instructions 8 1 Battery Repla...

Страница 28: ...to similar numbered connecting wires that is 1 goes to 1 2 goes to 2 3 goes to 3 and 4 goes to 4 9 Install Battery Pack mounting screws and washers previously removed 10 Reposition printed circuit boa...

Страница 29: ...rostatic discharge precautionary procedures The following guidelines are not necessarily all inclusive but rather serve as reminders for good shop practices for the handling repair of ESD sensitive ci...

Страница 30: ...ates specifically including the Export Administration Regulations EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whe...

Страница 31: ...in this section contains the description quantity required and Avtron part numbers for each listed part The list also includes where appropriate schematic reference designators to facilitate parts ide...

Страница 32: ...Set C15479 1 Probe Set C15480 1 Probe Set C16695 1 NOTE Miscellaneous probe set replacement parts available WARNING This information is subject to the export control laws of the United States specifi...

Страница 33: ...version to a military end user or use in a military end use application DRAWINGS PROPRIETARY NOTE The wiring diagrams and schematics which follow contain information PROPRIETARY to Avtron Aerospace In...

Страница 34: ...EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in the United States or abroad without any required export li...

Страница 35: ...EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in the United States or abroad without any required export li...

Страница 36: ...EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in the United States or abroad without any required export li...

Страница 37: ...EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in the United States or abroad without any required export li...

Страница 38: ...EAR 15 C F R Part 730 et seq Transfer retransfer or disclosure of this data by any means to a non U S person individual or company whether in the United States or abroad without any required export li...

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