Fluke 435-II User manual

Fluke 434-II/435-II/437-II
Three Phase Energy and Power Quality Analyzer
Service Manual
PN 4822 872 05408
Febr. 2013
© 2013 Fluke Corporation, All rights reserved.
All product names are trademarks of their respective companies.
Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
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Table of Contents
Chapter Title Page
Safety Instructions ..........................................................................................1-1
1.1 Introduction..................................................................................................1-3
1.2 Safety Precautions........................................................................................1-3
1.3 Caution and Warning Statements ................................................................1-3
1.4 Symbols .......................................................................................................1-3
1.5 Impaired Safety............................................................................................1-4
1.6 General Safety Information .........................................................................1-4
1.7 Safe Handling and Use of Li-ion battery pack ............................................1-4
Characteristics.................................................................................................2-1
2.1 Introduction..................................................................................................2-3
List of Replaceable Parts................................................................................3-1
3.1 Introduction..................................................................................................3-3
3.2 How to Obtain Parts.....................................................................................3-3
3.3 Service Centers............................................................................................3-3
3.4 Final Assembly Parts...................................................................................3-4
3.5 Accessories ..................................................................................................3-7
Performance Verification................................................................................4-1
4.1 Introduction..................................................................................................4-3
4.2 Equipment Required for Verification ..........................................................4-4
4.3 Relation between Characteristics and Performance Test.............................4-4
4.4 General Instructions.....................................................................................4-5
4.5 Operating Instructions..................................................................................4-5
Resetting the Analyzer ..................................................................................4-5
4.6 Display and Backlight Test..........................................................................4-5
4.7. Verification of Current Inputs.....................................................................4-5
4.7.1 Preparation............................................................................................4-5
4.7.2 Accuracy...............................................................................................4-6
4.7.3 Bandwidth check of current channels (*).............................................4-7
4.8 Voltage Inputs..............................................................................................4-8
4.8.1 Introduction ..........................................................................................4-8
4.8.2 Verification of voltage inputs in 120 V range......................................4-9
4.8.3 Verification of voltage inputs in 230 V range......................................4-11
4.8.4 Verification of voltage inputs in 400 V range......................................4-13
4.8.5 Verification of voltage inputs in 6 kV range (Transients)....................4-15
4.9 Channel Isolation (*) ...................................................................................4-17

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Calibration Adjustment................................................................................... 5-1
5.1 General.........................................................................................................5-3
5.1.1 Introduction ..........................................................................................5-3
5.1.2 Calibration number and date ................................................................5-3
5.1.3 General instructions..............................................................................5-3
5.1.4 Equipment required for calibration ......................................................5-4
5.2 Calibration Procedure Steps.........................................................................5-4
5.3 Starting The Calibration...............................................................................5-4
5.4 Contrast Calibration Adjustment .................................................................5-6
5.5 Warming Up ................................................................................................5-7
5.6 Final Calibration..........................................................................................5-8
5.6.1 Warming Up Final................................................................................5-8
5.6.2 Offset adjustment..................................................................................5-8
5.6.3 Low voltage and current gain adjustment ............................................5-10
5.6.4 Current gain 10x...................................................................................5-10
5.6.5 Voltage gain adjustment.......................................................................5-10
5.7 Save Calibration Data And Exit...................................................................5-12
Disassembling the Analyzer .......................................................................... 6-1
6.1. Introduction.................................................................................................6-3
6.2. Disassembly & Reassembly Procedures.....................................................6-3
6.2.1 Required Tools .....................................................................................6-3
6.2.2 Removing the Tilt Stand, Hang Strap, and Side Strap .........................6-4
6.2.3 Opening the Analyzer, Removing the Battery Pack.............................6-4
6.2.4 Getting access to Top Side of PCA......................................................6-5
6.2.5 Getting access to Bottom Side of PCA.................................................6-5
6.2.6 Getting access to LCD, Keypad Foil and Keypad................................6-5
6.2.7 Pictures Showing Disassembly Steps...................................................6-6

1-1
Chapter 1
Safety Instructions
Title Page
1.1 Introduction..................................................................................................1-3
1.2 Safety Precautions........................................................................................1-3
1.3 Caution and Warning Statements ................................................................1-3
1.4 Symbols .......................................................................................................1-3
1.5 Impaired Safety............................................................................................1-4
1.6 General Safety Information .........................................................................1-4
1.7 Safe Handling and Use of Li-ion battery pack ............................................1-4

Safety Instructions
1.1 Introduction 1
1-3
1.1 Introduction
Read these pages carefully before beginning to install and use the Analyzer.
The following paragraphs contain information, cautions and warnings which must be
followed to ensure safe operation and to keep the Analyzer in a safe condition.
Warning
Servicing described in this manual is to be done only by
qualified service personnel. To avoid electrical shock, do not
service the Analyzer unless you are qualified to do so.
1.2 Safety Precautions
For the correct and safe use of this Analyzer it is essential that both operating and service
personnel follow generally accepted safety procedures in addition to the safety
precautions specified in this manual. Specific warning and caution statements, where
they apply, will be found throughout the manual. Where necessary, the warning and
caution statements and/or symbols are marked on the Analyzer.
1.3 Caution and Warning Statements
Caution
Used to indicate correct operating or maintenance procedures
to prevent damage to or destruction of the equipment or other
property.
Warning
Calls attention to a potential danger that requires correct
procedures or practices to prevent personal injury.
1.4 Symbols
The following symbols are used on the Analyzer, in the Users Manual, in this Service
publication, or on spare parts for this Analyzer.
See explanation in Users Manual DOUBLE INSULATION (Protection
Class)
Live voltage Earth Ground
Static sensitive components
(black/yellow).
Recycling information
Do no dispose of this product as
unsorted municipal waste. Go to
Fluke’s website for recycling
information
Conformité Européenne

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Service Manual
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Battery Safety Approval
Conforms to relevant Australian
standards
Safety Approval
Safety Approval
RoHS China Current Clamp
1.5 Impaired Safety
Whenever it is likely that safety has been impaired, the Analyzer must be turned off and
disconnected from line power. The matter should then be referred to qualified
technicians. Safety is likely to be impaired if, for example, the Analyzer fails to perform
the intended measurements or shows visible damage.
1.6 General Safety Information
Warning
Removing the Analyzer covers or removing parts, except those
to which access can be gained by hand, is likely to expose live
parts and accessible terminals which can be dangerous to life.
The Analyzer shall be disconnected from all voltage sources before it is opened.
Capacitors inside the Analyzer can hold their charge even if the Analyzer has been
separated from all voltage sources.
When servicing the Analyzer, use only specified replacement parts.
1.7 Safe Handling and Use of Li-ion battery pack
The Analyzer uses a rechargeable Li-ion battery pack model BP290 (26 Wh, standard) or
BP291 (52 Wh, optional).
For instructions how to safely handle and use this battery pack refer to Chapter 1,
General Aspects, Paragraph ‘Safe Use of Li-ion Battery Pack’ in the Users Manual of
Fluke 434-II/435-II/437-II.
The Users Manual can be downloaded from Fluke’s website.

2-1
Chapter 2
Characteristics
Title Page
2.1 Introduction..................................................................................................2-3

Characteristics
2.1 Introduction 2
2-3
2.1 Introduction
Performance Characteristics
For the specifications refer to the “Characteristics” Chapter 27 in the Fluke 434-II/435-
II/437-II Users Manual.
The Users Manual can be downloaded from Fluke’s website.
Specifications are based on a one year calibration cycle.

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Service Manual
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3-1
Chapter 3
List of Replaceable Parts
Title Page
3.1 Introduction..................................................................................................3-3
3.2 How to Obtain Parts.....................................................................................3-3
3.3 Service Centers............................................................................................3-3
3.4 Final Assembly Parts...................................................................................3-4
3.5 Accessories ..................................................................................................3-7

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Service Manual
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List of Replaceable Parts
3.1 Introduction 3
3-3
3.1 Introduction
This chapter contains an illustrated list of replaceable parts for the models 434-II, 435-II,
and 437-II Power Quality Analyzer Series II.
Parts are listed by assembly; alphabetized by item number or reference designator. Each
assembly is accompanied by an illustration showing the location of each part and its item
number or reference designator. The parts list gives the following information:
•Description
•Ordering code
Caution
Electrical components and in particular active components
such as IC’s, transistors and diodes may be damaged by static
discharge.
Handling and servicing static sensitive components and
assemblies should be done only at a static free workstation by
qualified personnel.
3.2 How to Obtain Parts
In the event that the part ordered has been replaced by a new or improved part, the
replacement will be accompanied by an explanatory note and installation instructions, if
necessary.
To ensure prompt delivery of the correct part, include the following information when
you place an order:
•Instrument model (for example Fluke 435-II), 12 digit instrument code (9444 ... ....),
and serial number (15500001). The items are printed on the type plate on the bottom
cover.
•Ordering code
•Description
•Quantity
3.3 Service Centers
To locate an authorized service center, call Fluke using any of the phone numbers listed
below, or visit on the World Wide Web: www.fluke.com
USA and Canada: 1-888-99-FLUKE (1-888-993-5853)
Europe: [phone]
Anywhere in the world: [phone]

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Service Manual
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3.4 Final Assembly Parts
See Table below. In Chapter 6 – Disassembling the Analyzer, pictures are present giving
an impression on how the instrument is constructed.
Dedicated pictues with item numbers are scheduled for a future revision of this Service
Information.
Table 3-1. Final Assembly Parts and Kits
Part or Kit Ordering Code Consists of Following Parts Figure/Item nr
Case Set 43x-II 4161577 Front case (excl. lens/decal) 3-2/21
Inner lens (for double isolation) ---
Dustseal long (2x, around screen) ---
Dustseal short (2x, around screen) ---
Case seal (white) 3-2/27
Bottom case assy 3-1/3
Battery door 3-1/16
Adhesive foam (for battery door) ---
Quarter turn screw (2x) ---
Standup bracket 3-1/18
Quarter turn screw 948609 For battery door (1x) ---
Decal Set for Input
Sockets, Colored 4137197 Supplied with Analyzer as standard accessory ---
Decal Set for Input
Sockets, Black &
White
4137201 Stuck on Analyzer at delivery ---
Li-ion Battery Pack BP290 (standard) 26 Wh, 10.8 V 3-1/17
Li-ion Battery Pack BP291 (optional) 52 Wh, 10.8 V 3-1/17
Lens/decal 434-II 4161589 --- ---
Lens/decal 435-II 4161592 --- ---
Lens/decal 437-II 4161605 --- ---
LCD assy Flk 43x-II
and Flk-190-II 3981844 LCD module LCD fixation foam
Flat cable
3-2/23
Topholster 43x-II (Input
Cover) 4161610 Excluding decals 3-1/1
Mounting Material Set
43x-II 4161622 Selftapping screw black (2 pcs/instr, to fix topholster) 3-1/2
Dowel (6 pcs/instr, to fix side strap +
hang strap) 3-1/5
Steel plate for Kensington lock (1
pce/instr) 3-1/9
Selftapping screw blank (6 pcs/instr,
to fix bottom case and battery door
detection)
3-1/4
3-1/8
Screw M3x6 (2 pcs/instr, to fix
bottom holster) 3-1/12
Square nut M3 (2 pcs/instr, to fix
bottom holster) 3-1/12
Selftapping screw blank (6 pcs/instr,
to fix Main PCA module to Front 3-2/22

List of Replaceable Parts
3.4 Final Assembly Parts 3
3-5
Part or Kit Ordering Code Consists of Following Parts Figure/Item nr
Case)
Side Strap 3945370 Can be fixed on Left or Right side ---
Hang Strap 946769 Can be fixed op Top Side of
Instrument ---
Bottom Holster Set
43x-II 4161646 Bottom Holster assy 3-1/7
Cover for USB, yellow/black 3-1/10
Cover for right side, yellow 3-1/11
Connector Set 43x-II 4161654 Mini USB connector J1300 ---
Faston pin to battery (5 pcs/instr) ---
Cushion (Fits around faston pin) ---
Sealing piece USB, black (1
pce/instr) 3-2/25
Sealing piece, right side, black(1
pce/instr) 3-2/24
Battery Door Detection (opto device) 3-1/6
Power Connector DC ---
Keyboard connector 24p J1000 ---
LCD connector 20p J1201 ---
LCD backlight conn 4p J1200 ---
Keypad 43x-II 4161679 --- 3-2/26
Keypad Foil 43x-II 4161687 (Incl. Flat Cable) 3-2/20
Cable DB-9 to Mini-
USB 4161693 For use of GPS 430 option with Flk 43x-II ---
Input Socket Block
43x-II 4161668 BNC black (4 pcs/instr) 3-1/14
Banana jack black (4 pcs/instr) ---
Banana jack green (1 pce/instr) ---
O-ring 11x1 mm ---
O-ring 12x2 mm ---
Sealing strip, flexible, fits around
inputs 3-1/13
Note
Li-Ion
The Analyzer contains a Li-ion battery. Do not mix with the
solid wastestream. Spent batteries should be disposed of by a
qualified recycler or hazardous materials handler.

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Figure 3-1. Parts and kits 1.
Figure 3-2. Parts and kits 2.

List of Replaceable Parts
3.5 Accessories 3
3-7
3.5 Accessories
Refer to the Fluke 434-II/435-II/437-II Users Manual, Chapter 26 – Tips and Maintenance, for a
list with standard and optional accessories.
The Users Manual can be downloaded from the Fluke website.

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Service Manual
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