B+K precision 5335C User manual

5335C
Power Meter
User Manual

SAFETY SUMMARY iii
Safety Summary
The following safety precautions apply to both operating and maintenance personnel and must be followed
during all phases of operation, service, and repair of this instrument.
Before applying power to this instrument:
•Read and understand the safety and operational information in this manual.
•Apply all the listed safety precautions.
•Verify that the voltage selector at the line power cord input is set to the correct line voltage. Operating the
instrument at an incorrect line voltage will void the warranty.
•Make all connections to the instrument before applying power.
•Do not operate the instrument in ways not specified by this manual or by B&K Precision.
Failure to comply with these precautions or with warnings elsewhere in this manual violates the safety
standards of design, manufacture, and intended use of the instrument. B&K Precision assumes no liability
for a customer’s failure to comply with these requirements.
Category rating
The IEC 61010 standard defines safety category ratings that specify the amount of electrical energy available
and the voltage impulses that may occur on electrical conductors associated with these category ratings.
The category rating is a Roman numeral of I, II, III, or IV. This rating is also accompanied by a maximum
voltage of the circuit to be tested, which defines the voltage impulses expected and required insulation
clearances. These categories are:
Category I (CAT I): Measurement instruments whose measurement inputs are not intended to be connected to
the mains supply. The voltages in the environment are typically derived from a limited-energy transformer or a
battery.
Category II (CAT II): Measurement instruments whose measurement inputs are meant to be connected to
the mains supply at a standard wall outlet or similar sources. Example measurement environments are
portable tools and household appliances.
Category III (CAT III): Measurement instruments whose measurement inputs are meant to be connected to
the mains installation of a building. Examples are measurements inside a building’s circuit breaker panel or
the wiring of permanently-installed motors.
Category IV (CAT IV): Measurement instruments whose measurement inputs are meant to be connected to the
primary power entering a building or other outdoor wiring.
Do not use this instrument in an electrical environment with a higher category rating than what is
specified in this manual for this instrument.

You must ensure that each accessory you use with this instrument has a category rating equal to or higher than the
instrument’s category rating to maintain the instrument’s category rating. Failure to do so will lower the category
rating of the measuring system.
Electrical Power
This instrument is intended to be powered from a CATEGORY II mains power environment. The mains power
should be 115 V RMS or 230 V RMS. Use only the power cord supplied with the instrument and ensure it is
appropriate for your country of use.
Ground the Instrument
To minimize shock hazard, the instrument chassis and cabinet must be connected to an electrical safety ground.
This instrument is grounded through the ground conductor of the supplied, three-conductor AC line power cable.
The power cable must be plugged into an approved three-conductor electrical outlet. The power jack and mating
plug of the power cable meet IEC safety standards.
Do not alter or defeat the ground connection. Without the safety ground connection, all accessible conductive
parts (including control knobs) may provide an electric shock. Failure to use a properly-grounded approved outlet
and the recommended three-conductor AC line power cable may result in injury or death.
Unless otherwise stated, a ground connection on the instrument’s front or rear panel is for a reference of potential
only and is not to be used as a safety ground. Do not operate in an explosive or flammable atmosphere.
Do not operate the instrument in the presence of flammable gases or vapors, fumes, or finely-divided particulates.
The instrument is designed to be used in office-type indoor environments. Do not operate the instrument
•In the presence of noxious, corrosive, or flammable fumes, gases, vapors, chemicals, or finely-divided
particulates.
•In relative humidity conditions outside the instrument’s specifications.
•In environments where there is a danger of any liquid being spilled on the instrument or where any liquid
can condense on the instrument.
•In air temperatures exceeding the specified operating temperatures.
•In atmospheric pressures outside the specified altitude limits or where the surrounding gas is not air.
•In environments with restricted cooling air flow, even if the air temperatures are within specifications.
•In direct sunlight.
This instrument is intended to be used in an indoor pollution degree 2 environment. The operating temperature
range is 0◦C to 40◦C and 20% to 80% relative humidity, with no condensation allowed. Measurements made by

SAFETY SUMMARY v
this instrument may be outside specifications if the instrument is used in non-office-type environments. Such
environments may include rapid temperature or humidity changes, sunlight, vibration and/or mechanical shocks,
acoustic noise, electrical noise, strong electric fields, or strong magnetic fields.
Do not operate instrument if damaged
If the instrument is damaged, appears to be damaged, or if any liquid, chemical, or other material gets on or inside
the instrument, remove the instrument’s power cord, remove the instrument from service, label it as not to be
operated, and return the instrument to B&K Precision for repair. Notify B&K Precision of the nature of any
contamination of the instrument.
Clean the instrument only as instructed
Do not clean the instrument, its switches, or its terminals with contact cleaners, abrasives, lubricants, solvents,
acids/bases, or other such chemicals. Clean the instrument only with a clean dry lint-free cloth or as instructed in
this manual. Not for critical applications
This instrument is not authorized for use in contact with the human body or for use as a component in a life-
support device or system.
Do not touch live circuits
Instrument covers must not be removed by operating personnel. Component replacement and internal
adjustments must be made by qualified service-trained maintenance personnel who are aware of the hazards
involved when the instrument’s covers and shields are removed. Under certain conditions, even with the power
cord removed, dangerous voltages may exist when the covers are removed. To avoid injuries, always disconnect
the power cord from the instrument, disconnect all other connections (for example, test leads, computer interface
cables, etc.), discharge all circuits, and verify there are no hazardous voltages present on any conductors by
measurements with a properly-operating voltage-sensing device before touching any internal parts. Verify the
voltage-sensing device is working properly before and after making the measurements by testing with known-
operating voltage sources and test for both DC and AC voltages. Do not attempt any service or adjustment unless
another person capable of rendering first aid and resuscitation is present. Do not insert any object into an
instrument’s ventilation openings or other openings.
Hazardous voltages may be present in unexpected locations in circuitry being tested when a fault condition in the
circuit exists. Fuse replacement
Fuse replacement must be done by qualified service-trained maintenance personnel who are aware of the
instrument’s fuse requirements and safe replacement procedures. Disconnect the instrument from the power line
before replacing fuses. Replace fuses only with new fuses of the fuse types, voltage ratings, and current ratings

specified in this manual or on the back of the instrument. Failure to do so may damage the instrument, lead to a
safety hazard, or cause a fire. Failure to use the specified fuses will void the warranty. Servicing
Do not substitute parts that are not approved by B&K Precision or modify this instrument. Return the instrument
to B&K Precision for service and repair to ensure that safety and performance features are maintained. For
continued safe use of the instrument
•Do not place heavy objects on the instrument.
•Do not obstruct cooling air flow to the instrument.
•Do not place a hot soldering iron on the instrument.
•Do not pull the instrument with the power cord, connected probe, or connected test lead.
•Do not move the instrument when a probe is connected to a circuit being tested.

SAFETY SUMMARY vii
CE Declaration of Conformity
This instrument meets the requirements of:
EMC Directive
•EN 61326-1 2006
•EN 61000-3-2-2006
•EN 61000-3-3:1995

Safety Symbols
Refer to the user manual for warning information to avoid hazard or
personal injury and prevent damage to instrument.
Electric Shock hazard
Alternating current (AC)
Chassis (earth ground) symbol.
Ground terminal
On (Power). This is the In position of the power switch when
instrument is ON.
Off (Power). This is the Out position of the power switch when
instrument is OFF.
CAUTION indicates a hazardous situation which, if not avoided, will
result in minor or moderate injury
WARNING indicates a hazardous situation which, if not avoided, could
result in death or serious injury
DANGER indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
NOTICE is used to address practices not related to physical injury.

Contents
Safety Summary.......................................................................................................................................... iii
CE Declaration of Conformity .....................................................................................................................vii
EMC Directive .............................................................................................................................................vii
Safety Symbols...........................................................................................................................................viii
Contents....................................................................................................................................................... 9
General Information.................................................................................................................................. 11
1.1 Features ......................................................................................................................................... 11
1.2 Front Panel....................................................................................................................................... 2
1.3 Rear Panel Summary........................................................................................................................ 3
1.4 Measurement Connection Setup..................................................................................................... 3
1.5 Wiring External Current Sensors...................................................................................................... 5
1.6 Power up.......................................................................................................................................... 6
1.6.1 Power Line Connection................................................................................................................ 6
1.6.2 Fuse Requirements ...................................................................................................................... 6
1.6.3 Power-up Sequence..................................................................................................................... 6
Menu............................................................................................................................................................ 7
2.1 SYSTEM menu .................................................................................................................................. 7
2.2 SETUP Menu..................................................................................................................................... 8
2.3 CAL ZERO.......................................................................................................................................... 8
2.4 RATIO SET......................................................................................................................................... 8
2.5 Under the setup menu................................................................................................................... 10
2.6 External Current Sensor................................................................................................................. 10
Front Panel Operation ............................................................................................................................... 12
3.1 Measurement Setup ...................................................................................................................... 12
3.1.1 Crest factor................................................................................................................................. 12
3.1.2 Set Measurement Range............................................................................................................ 12
3.2 Voltage and current range............................................................................................................. 13
3.2.1 Fixed range................................................................................................................................. 13

3.2.2 Auto Range................................................................................................................................. 13
3.3 Measurement Interval ................................................................................................................... 14
3.4 Filter and Crest Factor Setting ....................................................................................................... 15
3.4.1 Filter........................................................................................................................................... 16
3.5 Averaging Function ........................................................................................................................ 17
3.5.1 Index averaging.......................................................................................................................... 17
3.5.2 Linear averaging......................................................................................................................... 18
3.5.3 Averaging function..................................................................................................................... 18
3.5.4 Measurement function in harmonic measurement .................................................................. 18
Meter Display............................................................................................................................................. 20
4.0.1 Operation steps.......................................................................................................................... 20
vii

Chapter 1
General Information
Note: The contents of this manual and included specifications are subject to change go to for the latest version.
(Manual version–2017-10-09 )
Figure 1.1 shows a schematic Diagram of Front Panel of BK5335C Series Power Meter and Diagram of Key
Functions.
The BK5335C power meter measures AC and DC inputs up to 600 Vrms and 20 Arms from DC to 100kHz. It
measures voltage, current, power, frequency, power factor, phase and harmonic parameters up to the 50th order.
Remote control is available over USB, RS232 and LAN communication interfaces. Screen captures are saved via the
USB peripheral port located on the front panel. Voltage and current measurement precision is nominally 0.1%.
1.1 Features
•4.3-inch color LCD
•Configurable display of measurements in 3 formats
•Input range: 600Vrms/20Arms from DC to 100kHz
•Voltage, current, power, harmonics and other parameters are measured at the same time simultaneously
•Up to 0.1% voltage and current measurement accuracy
•Harmonic measurement up to the 50th-order harmonic
•Screen captures are saved to USB via the front panel connector
•Integration measurement of power produced or consumed
•Frequency measurement
•Remote control via USB, RS232 and LAN communication interfaces
1

CHAPTER 1. GENERAL INFORMATION 2
1.2 Front Panel
Figure 1.1: Front Panel
Power ButtonRotary Knob
4.3” LCDArrow Keys
USBSoft-keys
Main FunctionsSoft-keys
Menu, Enter, ESCPrint (Screen Capture)
Key
Name and function
Waveform Display key: press to view waveforms. See Chapter 5
Harmonic Measurement key: For viewing harmonic measurements. See Chapter 6
Basic Measurement key: The normal measurement screen. See Chapter ??
Integral Measurement key: Measurements over time. See Chapter 7
Menu key, Press to view and configure settings. See Chapter 2
Enter key: Press to commit a setting or value.

CHAPTER 1. GENERAL INFORMATION 3
Image Save key: press to save a hardcopy of the screen to the USB host port on the front panel.
1.3 Rear Panel Summary
Figure 1.2: Rear View
1
LAN Connector
5
AC Line
2
USB Connector
6
External Current Sensor
3
RS-232 Connector
7
Voltage Input
4
Synchronization BNC
8
Current Shunt Input
1.4 Measurement Connection Setup
Depending on the amount of current that will flow through the meter, 2 configurations are specified.
1. Remove the protective cover over the current input terminals. See Figure 1.3
2. Connect the circuit under measurement as shown in the wiring diagrams, Low current, see Figure 1.4, high
current see Figure 1.5.
3. Use cables rated to conduct the current and withstand the voltage being measured.
4. For safety, re-attach the protective covers over the input terminals.

CHAPTER 1. GENERAL INFORMATION 4
Figure 1.3: Current terminal cover
Figure 1.4: Low Current Wiring Setup
Figure 1.5: High Current Wiring Setup

CHAPTER 1. GENERAL INFORMATION 5
Figure 1.6: External Sensor Interface: DE-9 Connector
Pin #
Description
1
+12 V
2
GND
3
-12 V
4
Signal GND
5
Voltage
6
NC
7
Current
8
NC
9
NC
Table 1.1: External Sensor Connector Pinout
1.5 Wiring External Current Sensors
This power meter accepts a wide range of external current sensors. Measurement is achieved by applying a scaling
factor to the voltage sensed at the external sensor input. A ratio of Volts to Amps is set in the EXSENSOR SET menu
of the instrument. See Section 2.6 for details. Always disconnect the main current input when using an external
sensor. The ports are electrically connected and if both are connected, measurement error and damage may occur.
1. Connect the power supply, external current sensor, electronic load and BK5335C Power Meter as shown in
Figure 1.6
2. Turn on the power meter
3. Select Menu > SETUP > EXT SEN SET to access the External Sensor Setup interface
4. Use the arrow keys to select ExSENSOR2 or EXSENSOR1, and then press ON from the soft-keys to enable the
external current sensor.
5. Set the “Ratio” using the arrow keys and knob to set the value in V/A (EXSENSOR1) or mV/A (ExSENSOR2)
6. Press Enter to save the settings
7. Press Esc to exit the settings

CHAPTER 1. GENERAL INFORMATION 6
Figure 1.7: Fuse Holder
1.6 Power up
1.6.1 Power Line Connection
Input power requirements:
AC Voltage 110 V ±10% or 220 V ±10%
Frequency 47 Hz –63 Hz
1.6.2 Fuse Requirements
An AC input fuse is necessary when powering the instrument. Refer to Table 1.2 for the fuse requirements.
Model
Fuse Specification (110 V)
Fuse Specification (220 V)
5335C
T 10 A, 250 V
T 6.3 A, 250 V
Table 1.2: Required Fuses
1.6.2.1 Fuse Replacement
1. Disconnect the power cord.
2. Locate the fuse box in the rear panel, beneath the AC power socket. Figure 1.7
3. With a small flat blade screwdriver, insert the blade into the fuse box slit to pull and slide out the fuse box.
4. Pull out the fuse inside to check and/or replace with the appropriate fuse for the line voltage used.
5. Insert the fuse in the same location.
1.6.3 Power-up Sequence
Connect AC power cord to the AC receptacle in the rear panel and press the power switch to the (ON) position to
turn ON the instrument. It will display the BIOS version then run through a self-test procedure, Figures ??, ??.

Chapter 2
Menu
Configuration of system-wide settings is done from the “Menu”. Pressing the button enters the
configuration/system menu, Figure 2.1.
From the main menu, the soft-keys at the bottom of the screen provide access to the configuration screens. See
Table 2.1
2.1 SYSTEM menu
From the system menu, system-wide functions are set and viewed. Figure 2.2, details such as the LAN MAC
address, date, screen brightness, system initialization (settings reset), and self test are accessed here. See Table
2.1
Figure 2.1: Configuration/System Menu
Function
Description
SYSTEM
View and change overall system information and parameters
SETUP
Device measurement and measurement configuration settings
CAL ZERO
Zero the meter
RATIO SET
Change the overall scaling factor for measurements
Table 2.1: Main “Menu” functions
7

CHAPTER 2. MENU 8
Figure 2.2: System Menu
Figure 2.3: Calibration Menu
Function
Description
SYSTEM INFO
System details, Model, Serial, etc...
COMM CONFIG
Setup the communication interfaces
SYSTEM CONFIG
Set date, time, beep and brightness
SELF TEST
Perform a self diagnostic
INITIAL
Reset device settings
2.2 SETUP Menu
2.3 CAL ZERO
2.4 RATIO SET
This setting has the effect of scaling the measured value of the current and voltage. For example, a 116 V signal
becomes 232 V when the “Voltage Ratio” is set to 2. The Ranges are not effected by this setting, so the 150V
range

CHAPTER 2. MENU 9
Figure 2.4: Ratio Setup Menu
Figure 2.5: Information Screen
is still shown and used. Use the arrow keys to move between parameters and digits. Use the knob to change the
value of the selected digit. To commit the setting change, press the button. See Figure 2.4

CHAPTER 2. MENU 10
2.5 Under the setup menu
2.6 External Current Sensor
Figure 2.6: Ratio Set Menu
Figure 2.7: Ratio Set Menu
Figure 2.8: Ratio Set Menu

CHAPTER 2. MENU 11
Figure 2.9: Ratio Set Menu