Each Fluke product is warranted to be free from defects in material and workmanship under normal use and
service. The warranty period is three years for the Analyzer and one year for its accessories. The warranty
period begins on the date of shipment. Parts, product repairs and services are warranted for 90 days. This
warranty extends only to the original buyer or end-user customer of a Fluke authorized reseller, and does not
apply to fuses, disposable batteries or to any product which, in Fluke's opinion, has been misused, altered,
neglected or damaged by accident or abnormal conditions of operation or handling. Fluke warrants that
software will operate substantially in accordance with its functional specifications for 90 days and that it has
been properly recorded on non-defective media. Fluke does not warrant that software will be error free or
operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only
but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is
available if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable
international price. Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts
when product purchased in one country is submitted for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair,
or replacement of a defective product which is returned to a Fluke authorized service center within the
warranty period.
To obtain warranty service, contact your nearest Fluke authorized service center or send the product, with a
description of the difficulty, postage and insurance prepaid (FOB Destination), to the nearest Fluke
authorized service center. Fluke assumes no risk for damage in transit. Following warranty repair, the product
will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that the failure was
caused by misuse, alteration, accident or abnormal condition of operation or handling, Fluke will provide an
estimate of repair costs and obtain authorization before commencing the work. Following repair, the product
will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return
transportation charges (FOB Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE
SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, WHETHER ARISING FROM BREACH OF
WARRANTY OR BASED ON CONTRACT, TORT, RELIANCE OR ANY OTHER THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or
limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not
apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court of
competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.
Fluke Corporation, P.O. Box 9090, Everett, WA 98206-9090 USA, or
Fluke Industrial B.V., P.O. Box 90, 7600 AB, Almelo, The Netherlands.
Table of Contents
Chapter Title Page
Limited Warranty & Limitation of Liability........................................................ ii
Introduction and Safety Instructions................................................................1-1
1.1 Introduction to Manual ..................................................................................1-3
1.2.6 General Safety Information.................................................................. 1-4
1-1
Introduction and Safety Instructions
1.1 Introduction to Manual 1
1.1 Introduction to Manual
The Fluke 433, 434, 435 Three Phase Power Quality Analyzer (hereafter referred to as
‘Analyzer’) offers an extensive and powerful set of measurements to check power
distribution systems. This Service Manual provides the information necessary to maintain
the Analyzer at customer level.
The following information is presented in this Service Manual:
Chapter 1.Introduction and safety Instructions. Read carefully before using or servicing
the Analyzer.
Chapter 2. Specifications. A complete set of detailed specifications.
Chapter 3. Performance Verification.
Chapter 4. Calibration Adjustment.
Chapter 5. Disassembling the Analyzer.
Chapter 6. List of Replaceable Parts.
Important. The Main PCA in this Analyzer is only available to Fluke Service Centers due
to the programming that is necessary after installation.
1.2 Safety
1.2.1 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.
1.2.2 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.
1.2.3 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.
1-3
Fluke 433, 434, 435
Service Manual
1.2.4 Symbols
The following symbols are used on the Analyzer, in the Users Manual, in this Service
Manual, or on spare parts for this Analyzer.
See explanation in Users Manual
Live voltage
Static sensitive components
(black/yellow).
Disposal information
Safety Approval Safety Approval
1.2.5 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.
1.2.6 General Safety Information
DOUBLE INSULATION
(Protection Class)
Earth Ground
Recycling information
Conformité Européenne
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.
2.12 Printers and Interface .................................................................................2-16
2.13 Electro Magnetic Compatibility (EMC) ....................................................2-16
2-1
Specifications
2.1 Introduction 2
2.1 Introduction
Performance Characteristics
Fluke guarantees the properties expressed in numerical values within the tolerances
stated. Numerical values without tolerances are typical and represent the characteristics
of an average instrument excluding accessories. The Analyzer meets the specified
accuracy 30 minutes and two complete acquisitions after power-on. All operational
specifications are valid under the restrictions mentioned in section ‘Environmental’
unless otherwise specified.
Specifications are based on a one year calibration cycle.
Environmental Data
The environmental data mentioned in this manual are based on the results of the
manufacturer’s verification procedures.
Safety Characteristics
The Analyzer has been designed and tested in accordance with standard EN61010-1 2
edition (2001), Safety Requirements for Electrical Equipment for Measurements Control
and Laboratory Use for Class III Pollution Degree 2 instruments.
nd
This manual contains information and warnings that must be followed by the user to
ensure safe operation and to keep the Analyzer and its accessories in a safe condition.
Use of this Analyzer and its accessories in a manner not specified by the manufacturer
may impair the protection provided by the equipment.
2-3
Fluke 433, 434, 435
Service Manual
2.2 Electrical Measurements
Voltage inputs
Number of inputs 4 (3 phases + neutral) DC coupled
The following specifications of the instrument are verified using the “implementation
verification” table 3 as specified in 61000-4-30 chap-6-2.
INPUT CHARACTERISTICS
Maximum input
voltage
Nominal Voltage
range
Maximum peak
voltage
Input impedance 4 MΩ // 5 pF
Bandwidth > 10 kHz, up to 100kHz for transient display
Scaling 1:1, 10:1, 100:1, 1000:1 and variable
1000 Vrms
50…500 V internally devided in three ranges 500 V, 250 V and 125 V
6 kV
Current inputs
Number of inputs 4 (3 phases + neutral) DC coupled
Resolution 16 bit analog to digital converter on 8 channels
Maximum sampling
speed
RMS sampling 5000 samples on 10/122 cycles according IEC 61000-4-30
PLL synchronization 4096 samples on 10/122 cycles according IEC 61000-4-7
200kS/s on each channel simultaneously
Specifications
2.2 Electrical Measurements 2
DISPLAY MODES
Waveform display Available in Scope and Transient mode
Captures 8 waveforms simultaneously
Display update rate 5x per second
Up to 10/12 times horizontal zoom
Cursors: Single vertical line showing min, max, avg reading at cursor position.
Phasor Shows real time phasor diagram
Available in Scope and Unbalance mode
Display update rate 5x per second
Meter readings Available in Volts/Amps/Hertz, Harmonics, Power & Energy, Flicker, Unbalance
and Logger4 mode.
AutoTrend graph Available in Volts/Amps/Hertz, Dips & Swells, Harmonics, Power & Energy,
Flicker, Unbalance, Inrush, Mains Signaling
Cursors: single vertical line showing with min, max, avg reading at cursor
position.
Bargraph Available in Harmonics and Monitor mode
Eventlist Available in Dips & Swells Mains Signaling4, Logger4 and Monitor mode
4
Logger4 and Monitor mode
2-5
Fluke 433, 434, 435
Service Manual
Scope Vrms, Arms, Vcursor, Acursor, Vfund, Afund, Hz, V phase angles, A phase
Volts/Amps/Hertz Vrms, Vpk, V Crest Factor, Arms, Apk, A Crest Factor, Hz
Dips and Swells Vrms½, Arms½
MEASUREMENT MODES
angles
Captures up to 1000 events with date, time, duration, magnitude and phase
identification with programmable thresholds
Harmonics
DC, 1 … 50
Power and Energy Watts, VA, VAR, Power factor, Cos ϕ / DPF, Arms, Vrms, kWh, kVAh, KVARh,
Harmonic Volts, THD Volt, Harmonic Amps, THD Amps, K Amps, Harmonic
Watts, THD Watts, K Watts, Interharmonic Volts
(relative to fundamental or to total rms)
peak demand interval using trend, KYZ revenue meter verification via optional
input.
seconds for two customer selectable frequencies
with selecable averaging time.
Captures up to 10000 events with date, time, duration, magnitude and phase
identification with programmable thresholds
and swells, unbalance. All parameters are measured simultaneously in
accordance with EN50160.
Using Flagging to indicate unreliable readings according IEC61000-4-30.
4
, Interharmonic Amps4
2-6
Specifications
2.2 Electrical Measurements 2
ACCURACY, RESOLUTION AND RANGE
Volt/Amps/Hertz Measurement Range Resolution Accuracy
Vrms(AC+DC)
Fluke 435
Fluke 433/434
1…600 Vrms
600…1000 Vrms
1…1000 Vrms
0.01 Vrms
0.01 Vrms
0.1 Vrms
± 0.1% of nominal
voltage
± 0.1%
± 0.5% of nominal
voltage
Vpk 1…1400 Vpk 1 V 5% of nominal voltage
Voltage Crest Factor
1.0 ... > 2.8 0.01 ± 5%
(CF)
Arms (AC+DC)
Fluke 435
Fluke 433/434
Fluke 433/434 with i400s
Fluke 435 with I430flex
Threshold levels Programmable thresholds in percent of nominal voltage
Event detection based upon ½cycle rms voltages
Captures Dips, Swells Interruptions and Rapid Voltage Changes
Duration hhh,mm,ss,mmm Half cycle One cycle
2-7
Fluke 433, 434, 435
Service Manual
Harmonics Measurement Range Resolution Accuracy
Harmonic order (n) DC, 1..50 Grouping: Harmonic groups according to IEC 61000-4-7
Inter-Harmonic order Off, 1..49 Grouping: Harmonic and Interharmonic subgroups according to IEC
Filtering (*) When measuring harmonics with interharmonics off, harmonics group is used
61000-4-7
and a 1.5 s smoothing filter is active.
When measuring harmonics with interharmonics on, harmonics subgroup and
interharmonics centered subgroup are used and no filter is active.
Mains Signaling4 Measurement Range Resolution Accuracy
Threshold levels Thresholds, limits and signaling duration is programable for two independent
signalling frequencies.
Signaling frequency 60 … 3000 Hz 0.1 Hz
Relative V% 0% .. 100% of 0.1% ± 0.4%
Absolute V3s (3 second
average)
0.0 … 1000 V 0.1 V ± 5% of nominal voltage
TREND RECORDING
Method AutoTrend automatically records min, max and average values over time for all
readings being displayed for the 3 phases and neutral simultaneously.
Volts/Amps/Hertz, Harmonics, Power & Energy, Flicker, Unbalance and Mains Signaling4 mode
Sampling 5 readings/sec continuous sampling per channel
Recording time From 30 min with 1 second display resolution up to 450 days with 6 hour
display resolution.
Zoom Up to 6x horizontal zoom
Memory 1800 min, max and avg points for each reading
Duration 30
min.
Resolution 1 s 5 s 15 s 30 s 60 s 5 min. 15
2.5 h 7.5 h 15 h 30 h 150 hr 450 hr 900 hr 75
days
min.
30
min.
1 hr
Dips & Swells mode
Sampling 100/1202 readings/sec continuous sampling per channel
Recording time From 90 sec with 25msec display resolution up to 450 days with 3 hr display
resolution.
Zoom Up to 12x horizontal zoom
Memory 3600 min, max and avg points for each reading
Duration 90 s 180 s 6 min. 12
min.
Resolution 25 ms 50 ms 100
ms
200
ms
30
min.
500
ms
1 hr 2.5 hr 7.5 hr 15 hr 30 hr
1s 2.5 s 7.5 s 15 s 30 s
2-10
Specifications
2.2 Electrical Measurements 2
Inrush Currents and Flicker PF5 mode
Sampling 100/1202 readings/sec continuous sampling per channel
Recording time From 7.5 sec with 25msec display resolution up to 30 min with 500msec display
resolution for Inrush measurements and up to 2hr with 2.5 sec display
resolution for PF5 recordings.
Zoom Up to 12x horizontal zoom
Memory 3600 min, max and avg points for each reading
Duration 7.5 s 15 s 30 s 90 s 180 s 6 min. 12
min.
Resolution 25 ms 25 ms 25 ms 25 ms 50 ms 100
ms
200
ms
30
min.
500
ms
1 hr 2hr
1 s 2s
Logger mode
Sampling Combination of 5 readings/sec and 100/1202 readings/sec continuous sampling
per channel depending on the parameter measured
Recording time Depends on selected readings and averaging time
Zoom Two zoom positions, display all or 1x
Memory User configurable shared memory, upt to 15 MB on Fluke 435, Up to 7 MB on
Fluke 434
Nr of readings on 3
phases + N
Averaging time 0.5 s 10 min 2 hr 0.5 s 10 min 2 hr 0.5 s 10 min 2 hr
Max7 duration using
15MB
Measurement
aggregation over time
intervals (*)
66 hr 9
The basic measurement time interval for parameters is a 10/12-cycle time
interval for 50/60 Hz power systems. Measurement time interval aggregation is
selected via the Logger averaging time setting.
Note: 150/180 cycle (3 s) interval aggregation as per IEC 61000-4-30 Clauses
A.7 can be selected from the SETUP, FUNCTION PREF, AGGREGation
INTERVAL setting
4
1 10 100
years
100
years
6 hr 333
days
10
years
18 min 31
days
1 year
(*): Firmware V02.03 and onwards
Monitor mode
Sampling Combination of 5 readings/sec and 100/1202 readings/sec continuous sampling
per channel depending on the parameter measured.
Recording time Up to 1 week with 10 min resoluton
Memory 1008 min, max and avg points for each reading, 10 minute resolution
Limits According EN50160 or customer definable
2-11
Fluke 433, 434, 435
Service Manual
Vrms, Arms 10/122 cycle contiguous non overlapping intervals using 500/4162 samples per
Vpeak, Apeak Absolute highest sample value within 10/122 cycle interval with 40µs sample
V Crest Factor Measures ratio between the Vpeak and Vrms
A Crest Factor Measures ratio between the Apeak and Arms
Hz Measured every 10 sec in accordance with IEC61000-4-30
Vrms½ ,Arms½ Value is measured over 1 cycle, commencing at a fundamental zero crossing,
Harmonics Calculated from 10/12-cycle gapless harmonic group measurements on
MEASUREMENT METHOD
cycle in accordance with IEC 61000-4-30.
Firmware V02.03 and onwards: 10/12
non overlapping intervals using 500/416
IEC 61000-4-30
resolution
and refreshed each half-cycle. This technique is independent for each channel
in accordance with IEC 61000-4-30.
Voltage and Amps according to IEC 61000-4-7
2
or 150/180 (selectable) cycle contiguous
2
samples per cycle in accordance with
Watt Selectable Total or Fundamental real power display
Calculates average value of instantaneous power over 10/12 cycle period for
each phase Total Active Power P
=P1 + P2 + P 3
T
VA Selectable Total or Fundamental apparent power display
Calculates apparent power using Vrms x Arms value over 10/12 cycle period
Total Apparent Power is root mean square of real and apparent power
VAR Selectable Total of Fundamental reactive power display
Calculates reactive power as root of VA squared minus Watt squared over
10/12 cycle period. Capacitive and inductive load is indicated with capacitor
and inductor icons
Power Factor Calculated Watt / VA
Cos ϕ / DPF Cos of angle between fundamental voltage and current
Unbalance The supply voltage unbalance is evaluated using the method of symmetrical
components according to IEC61000-4-30
Flicker According to IEC 61000-4-15 Flickermeter - Functional and design
specification. Includes 230V 50Hz lamp and 120V 60Hz lamp models
Transient capture Captures waveform triggered on signal envelope. Additionally triggers on dips,
swells, interruptions and Amps level as specified by IEC61000-4-30
Inrush current The inrush current begins when the Arms half cycle rises above the inrush
threshold, and ends when the Arms half cycle rms is equal to or below the
inrush threshold minus a user-selected hysteresis value. The measurement is
the square root of the mean of the squared Arms half cycle values measured
during the inrush duration. Each half-cycle interval is contiguous and nonoverlapping as recommended by IEC 61000-4-30. Markers indicate inrush
duration. Cursors allow measurement of peak Arms half cycle.
2-12
Specifications
2.3 Wiring Combinations 2
Mains Signaling Measurement are based on: either the corresponding 10/12-cycle r.m.s. value
interharmonic bin or the rms of the four nearest 10/12-cycle rms value
interharmonic bins per IEC 61000-4-30 Limit setup for Monitor mode follows
EN50160 “Meistercurve”
Time Synchronisation Optional GPS430 timesync module provides time uncertainty ≤ 20 ms or ≤ 16.7
2
ms
for time tagging of events and time aggregated measurements. When
synchoronisation becomes unavailable, time tolerance is ≤ 1-s/24h
2.3 Wiring Combinations
3Ø WYE Three phase four wire system WYE
3Ø DELTA Three phase three wire system Delta
1Ø + NEUTRAL Single phase with neutral
1Ø SPLIT PHASE Split phase
1Ø IT NO NEUTRAL Single phase system with two phase voltages without neutral
3Ø IT Three phase system without neutral WYE
3Ø HIGH LEG Four wire three phase Delta system with center tapped high leg
3Ø OPEN LEG Open delta three wire system with 2 transformer windings
2-ELEMENT Three phase three wire system without current sensor on phase L2 / B (2 Watt
meter method)
2½-ELEMENT Three phase four wire system without voltage sensor on phase L2 / B
2.4 General
Case
Design Rugged, shock proof with integrated protective holster
Drip and dust proof IP51 according to IEC60529 when used in tilt stand position
Shock and Vibration Shock 30g, Vibration: 3g Sinusoid, Random 0.03g2/Hz according to MIL-PRF-
28800F Class 2
Display Bright Full-Color LCD with CCFL backlight, 80cd/m2
Size 115.2 x 86.4 mm
Resolution 320 x 240 pixels
Contrast and
brightness
2-13
User adjustable, temperature compensated
Fluke 433, 434, 435
Service Manual
Memory
Screens 50 screen memories (25 in Fluke 433)
Data 10 data memories for storing data including recordings (5 in Fluke 433)
Logger User configurable shared memory, up to 15 MB on Fluke 435, Up to 7 MB on
Fluke 434
Limit templates 2 preprogrammed, 2 administrator (programmable via FlukeView), 2 user
locations
Real-time clock Time and date stamp for AutoTrend, Transient display and SystemMonitor
4
2.5 Mechanical
Size 256 x 169 x 64 mm
Weight 2kg
2.6 Power
Line power Switchable 115V, 230V adapter with country specific plug
Power Adapter
input voltage
Battery power Rechargeable NiMH BP190 (installed)
15 ... 23 V dc; Use only Power Adapter BC430
Battery operating time > 7 hours
Battery charging time 4 hours, 8 hours for /006 version (Instrument off)
Power saving Adjustable time for dimmed backlight with on screen power indicator
2.7 Standards
Measurement methods
used
Measurement
performance
Power Quality EN50160
Flicker IEC 61000-4-15
Harmonics IEC 61000-4-7
IEC61000-4-30 class A
Fluke 435 IEC61000-4-30 Class A, Fluke 433/434 IEC61000-4-30 Class B
2-14
Specifications
2.8 Cross talk 2
2.8 Cross talk
Between V inputs -60 dB @ Fnominal
Voltage to current input -95 dB @ Fnominal
2.9 Common Mode Rejection Ratio (CMRR)
CMRR >60 dB
2.10 Safety
Compliance
with
Max voltage on
banana input
Max voltage on
current BNC
input 42 Vpeak
IEC/EN61010-1-2001,
CAN/CSA C22.2 No 61010-1-04 (including
UL std No 61010-1,
Safety Requirements for Electrical Equipment for Measurement, Control and
Laboratory Use, Part 1: General requirements,
Rated: 600V CAT IV 1000V CAT III Pollution Degree 2
1000 V CAT III / 600 V CAT IV
CSAus approval),
c
2.11 Environmental
Operating temperature 0°C to +50°C battery only, 0°C to +40°C with adapter, within spec +15°C to
+35°
Storage temperature -20 °C to +60 °C
Humidity 10 .. 30 °C: 95% RH non condensing
30 .. 40 °C: 75% RH non condensing
40 .. 50 °C: 45% RH non condensing battery only
Maximum operating
altitude
Maximum storage
altitude
3000m. Derate to 1000 V CAT II / 600 V CAT III / 300 V CAT IV above 2000m
12km
2-15
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