Hioki 3332 User manual

INSTRUCTION MANUAL
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3332
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POWER HiTESTER

Contents
Introduction i
Inspection i
Safety Notes ii
Notes on Use iv
Chapter 1 Overview 1
1.1 Product Overview 1
1.2 Features 2
1.3 Identification of Controls and Indicators 3
1.4 Explanation for Keys 4
1.5 Display Reference 6
1.6 Handle and Stand Operations 9
Chapter 2 Preparation for Measurement 11
2.1 Before Measurement 11
2.2 Simple Use 13
2.3 Making the Connections 14
2.3.1 Direct Connections 14
2.3.2 When Using PT or CT 16
2.3.3 Notes on Connection Methods 17
2.4 Powering On 18
2.5 Self Test 19
Chapter 3 Basic Operation 21
3.1 Changing the Response Setting 21
3.2 Selecting the Rectifier Type 22
3.3 Selecting the Display 23
3.4 Selecting the Range 25
3.5 Holding the Display 27
3.5.1 Restrictions During the Hold Status 27
3.5.2 Current Waveform Peak Hold Function and
Maximum Value Measurement 28
3.5.3 Restrictions During the Peak Hold Status 29

Chapter 4 Settings and Operations 31
4.1 Setting Items 31
4.2 Operating Setup Keys 32
4.3 Setting the Integration 33
4.3.1 Flowchart 33
4.3.2 Integration Setting Method 33
4.3.3 Integration Operation 34
4.3.4 Notes on Integration 35
4.3.5 Display Format of Integrating Value 38
4.4 Setting the Number of Averaging 40
4.4.1 Flowchart 40
4.4.2 Average Setting Method 40
4.5 Setting the Frequency 42
4.5.1 Flowchart 42
4.5.2 Frequency Setting Method 42
4.6 Setting the D/A Output 44
4.6.1 Flowchart 44
4.6.2 D/A Output Setting Method 44
4.7 Setting the PT (Potential Transformer) Ratio, CT
(Current Transformer) Ratio, and SC (Scaling Factor) 47
4.7.1 Flowchart 47
4.7.2 PT/CT Ratio and SC Setting 47
4.8 Setting the Printer Output 49
4.8.1 Flowchart 49
4.8.2 Printer Output Setting Method 49
4.8.3 Connecting to the Printer 52
4.9 Setting the Interface 53
4.9.1 Flowchart 53
4.9.2 Interface Setting 53
4.10 Setting the Comparator 56
4.10.1 Flowchart 56
4.10.2 Comparator Setting Method 56
4.10.3 Comparator Operation 58
4.11 Displaying Comparator 59
4.11.1 Flowchart 59
4.11.2 Comparator Display Setting Method 59
4.12 Selecting Range 62
4.12.1 Flowchart 62
4.12.2 Range Setting Method 62

Chapter 5 Setting and Measurement Example 65
5.1 Electrical Power Integration and Printer Output
Examples 65
5.2 PT and CT Setting (Examples of Changing the Digits
and Moving the Decimal Point) 70
Chapter 6 Other Functions 73
6.1 When Power Fails 73
6.2 System Resetting 74
6.3 Error Indications 75
6.4 Changing the Power Calculation Circuit Clock
Frequency 76
6.5 Key Lock State 77
Chapter 7 External Control Terminal and Output
Terminal 79
7.1 Connector Pin Assignment 79
7.2 Output Terminal 81
7.3 Comparator Output 82
7.4 External Control Terminal 83
7.5 Making the Connections 85
Chapter 8 GP-IB/RS-232C Interface 87
8.1 Specifications 87
8.1.1 GP-IB Interface 87
8.1.2 RS-232C Interface 88
8.2 Identification of Controls and Indicators 91
8.3 Interface Outline 92
8.3.1 Features 92
8.3.2 Messages 92
8.3.3 Command Syntax 93
8.3.4 Headers 93
8.3.5 Message Terminators 94
8.3.6 Separators 94
8.3.7 Data Formats 95
8.3.8 Abbreviation of Compound Commands 96
8.3.9 Output Queue 96
8.3.10 Input Buffer 97
8.3.11 Status Model 97

8.3.12 Status Byte Register 98
8.3.13 Event Registers 99
8.3.14 GP-IB Commands 104
8.4 Command Reference 105
8.4.1 Standard Commands 106
8.4.2 Commands Specific to the 3332 114
8.5 Command Summary 169
8.5.1 Standard Commands 169
8.5.2 Commands Specific to the 3332 170
8.5.3 Valid Command According to Condition
(Standard Command) 174
8.5.4 Valid Commands According to Condition
(Specific Command) 175
8.5.5 Execution Time of GP-IB Interface Command 179
8.5.6 Initialization 180
8.5.7 Specific Command Tree 181
8.6 Sample Programs 183
8.6.1 GP-IB 183
8.6.2 RS-232C 184
8.7 Printer Output Function 185
8.7.1 Printer Mode Function 185
8.7.2 Type of Printing 185
8.7.3 Selecting Printing Items and Setting Printing
Interval Time 186
8.7.4 Printer Output Buffer 186
8.7.5 Printing in Power Cut 186
8.7.6 Printing Example 187
8.8 Device Compliance Statement 190
8.9 Notes on Interface 192
8.9.1 GP-IB Troubleshooting 192
8.9.2 RS-232C Troubleshooting 194
Chapter 9 Maintenance and Service 195
9.1 Disposing 195
9.2 Cleaning and Storing of the Unit 196
Chapter 10 Rack Mounting 197
10.1 Making Rack Mounting Fittings 197
10.2 Installation Procedures 200

Chapter 11 Specifications 203
11.1 General Specifications 203
11.2 Standard Specifications 205
11.3 Function Specifications 208
Index INDEX 1

i
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Introduction
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NOTE
Introduction
Inspection
Thank you for purchasing this HIOKI "3332 POWER HiTESTER."
To get the maximum performance from the unit, please read this manual
first, and keep this at hand.
When the unit is delivered, check and make sure that it has not been
damaged in transit. In particular, check the accessories, panel switches, and
connectors. If the unit is damaged, or fails to operate according to the
specifications, contact your dealer or HIOKI representative.
■ Standard accessories
Instruction Manual 1
Power cord 1
Connector (DB-25P-N) 1
(Japan Aviation Electronics Industry, Limited or equivalent)
(Shell DB19678-2)
■ Shipment
If the 3332 unit is to be shipped or transported, the original packing should
preferably be used. If this is not available, employ the following procedure.
1. Procure a packing case somewhat larger than the unit, such as a cardboard
box.
2. Wrap the unit in plastic sheeting.
3. Pack the unit wrapped in this cushioning material into the box, pack in the
accessories, add more cushioning to fill the box tightly, and then seal it with
adhesive tape. If required, secure the case with shipping twine.
When reusing the original for the unit, use cushioning to secure the unit so
the unit will not move around in the box.

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Safety Notes
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DANGER This equipment is designed according to IEC 61010-1 Safety
Standards, and has been tested for safety prior to shipment. During
high voltage measurement, incorrect measurement procedures could
result in injury or death, as well as damage to the equipment. Please
read this manual carefully and be sure that you understand its
contents before using the equipment. The manufacturer disclaims all
responsibility for any accident or injury except that resulting due to
defect in its product.
Safety symbols
・ This symbol is affixed to locations on the equipment where the
operator should consult corresponding topics in this manual (which
are also marked with the symbol) before using relevant functions
of the equipment.
・ In the manual, this mark indicates explanations which it is
particularly important that the user read before using the
equipment.
Indicates a grounding terminal.
Indicates AC (Alternating Current).
Indicates the switch is ON.
Indicates the switch is OFF.
DANGER Indicates that incorrect operation presents extreme danger of
accident resulting in death or serious injury to the user.
WARNING Indicates that incorrect operation presents significant danger of
accident resulting in death or serious injury to the user.
CAUTION
Indicates that incorrect operation presents possibility of injury to
the user or damage to the equipment.
NOTE
Denotes items of advice related to performance of the equipment
or to its correct operation.
Safety Notes
This Instruction Manual provides information and warnings essential for
operating this equipment in a safe manner and for maintaining it in safe
operating condition. Before using this equipment, be sure to carefully read
the following safety notes.
The following symbols are used in this Instruction Manual to indicate the
relative importance of cautions and warnings.

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Safety Notes
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CATⅠ Secondary electrical circuits connected to an AC electrical
outlet through a transformer or similar device.
CATⅡ Primary electrical circuits in equipment connected to an AC
electrical outlet by a power cord (portable tools, household
appliances, etc.)
CATⅢ Primary electrical circuits of heavy equipment (fixed
installations) connected directly to the distribution panel,
and feeders from the distribution panel to outlets.
CATⅣ The circuit from the service drop to the service entrance,
and to the power meter and primary overcurrent protection
device (distribution panel).
Measurement categories (Overvoltage categories)
This instrument complies with CAT III safety requirements.
To ensure safe operation of measurement instruments, IEC 61010 establishes
safety standards for various electrical environments, categorized as CAT I to
CAT IV, and called measurement categories. These are defined as follows.
Higher-numbered categories correspond to electrical environments with
greater momentary energy. So a measurement device designed for CAT III
environments can endure greater momentary energy than a device designed
for CAT II.
Using a measurement instrument in an environment designated with a
higher-numbered category than that for which the instrument is rated could
result in a severe accident, and must be carefully avoided.
Never use a CAT I measuring instrument in CAT II, III, or IV environments.
The measurement categories comply with the Overvoltage Categories of the
IEC60664 Standards.

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Notes on Use
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DANGER This unit cannot be used on voltage lines of 600 Vrms. If the
voltage exceeds 600 VAC, there will be a short-circuit accident or
electrocution accident will result.
The maximum input voltage and current are 600 Vrms, 60 Arms. Do
not exceed the maximum input voltage and current. Doing so can
damage the unit or cause a serious accident.
The maximum rated voltage between input terminals and ground is
600 Vrms. Attempting to measure voltages exceeding 600 Vrms
with respect to ground could damage the instrument and result in
personal injury.
Always connect the powermeter input to the secondary side of the
breaker. On the secondary side of a breaker, even if the lines are
shorted the breaker can trip and prevent an accident. On the
primary side, however, the current capacity may be large, and in
the event of a short-circuit there may be a serious accident.
WARNING Before turning on the power, make sure that the voltage of the
power supply being used matches the supply voltage indicated on
the rear panel of the unit. If an attempt is made to use an improper
supply voltage, there is danger of damage to this unit and of life-
threatening risk to the operator.
In order to prevent electric shock and short-circuit accidents, shut
off the power to the line to be measured before connecting the
direct connection voltage and current cables to the terminals.
Be sure to connect the voltage input terminals or current input
terminals correctly. Measurement which is attempted with the
wiring connected incorrectly may cause damage to the unit or a
short-circuit.
Since the power switch is of a micro gap construction, always use
near an outlet. When not in use and when connecting a device to
be measured, make sure that the power cord is unplugged, or any
other means so that the unit is cut off from the power.
The unit is constructed so as to be connected to a ground line via
a three-core power cord that is supplied with the unit. In order to
avoid electric shock, connect the unit to a properly grounded (3-
pin) outlet using the power cord provided.
Do not remove the case of the unit. There are components inside
carrying high voltages or becoming hot, and this could cause an
electric shock accident.
Do not use the unit where it may be exposed to corrosive or
explosive gases. The unit may be damaged, or explosion may
occur.
Notes on Use
In order to ensure safe operation and to obtain maximum performance from
the unit, observe the cautions listed below.

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Notes on Use
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CAUTION ・ Before measurement, check the position of the measurement range.
The unit may be damaged if voltage or current at levels in excess of
the measurement limit is applied for a long time.
・ To avoid damage to the unit, do not short the output terminal and do
not input voltage to the output terminal.
・ Do not store or use the unit where it will be exposed to direct sunlight,
high temperatures, high humidity, or condensation. If exposed to such
conditions, the unit may be damaged, the insulation may deteriorate,
and the unit may no longer satisfy its specifications.
・ This unit is designed for indoor use and can be safely used at
temperatures ranging from 0℃ to 40℃.
・ To avoid damage to the unit, do not subject the equipment to
vibrations or shocks during transport or handling. Be especially careful
to avoid dropping the equipment.
・ Should the unit emit smoke, or a strange smell or strange sound,
immediately stop testing operations, power the unit off, and remove the
power cord from the outlet, shut off the circuit being tested,
disconnect the unit, and consult your HIOKI representative. Continued
use of the unit could lead to fire or electric shock accidents.
・ Do not insert foreign objects through the ventilation holes. Particularly
if metallic, liquid, or combustible substances get inside the case, this
may lead to fire or electric shock, or to malfunction.
・ Do not use the unit near any device which generates strong
electromagnetic radiation or near a static electrical charge, as these
may cause errors.
・ To prevent electric shock, do not allow the unit to become wet and do
not use the unit when your hands are wet.
・ This unit is not constructed to be waterproof or dustproof, so do not
use it in a very dusty environment or in one where it will get wet.
・ Do not place the unit on an unstable stand, or in an uneven location. It
may fall to the ground, or fall over, and either of these events may lead
to malfunction or accident.
・ Avoid treading on or pinching the cable so as not to damage the cable
sheaths.
・ Keep the cables well away from heat, to prevent the possibility of
melting the insulation.
・ For long-term storage, remove the power cord.
・ Do not use the unit near any device which generates strong
electromagnetic radiation or near a static electrical charge, as these
may cause errors.
・ The recommended calibration interval for this instrument is six months.

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Notes on Use
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NOTE ･This unit is electrically configured specifically for AC currents. Thus signals
with elements of DC currents (such as all-wave rectifier) cannot be
measured.
･For accurate measurement, allow the unit to warm up for more than half an
hour before starting operation.
･Note that limits are specified for the range in which voltage and current level
accuracies are guaranteed.
･The values for apparent power (S), reactive power (Q), power factor (λ)
and phase angle (φ) produced by this unit are computed from the measured
voltage (U), current (I), and active power (P), using the expressions given in
the specifications. The values given may be different from those measured
with an instrument of different operating principles or using different
calculation expressions.
･This machine's integration value is derived from the measured values of the
electrical current and electrical power and calculated by the software. The
integration value may be different from other instruments that have differing
response times, sample rate or calculation expressions.
･Accurate measurement may be impossible in locations subject to strong
external magnetic fields, such as transformers and high-current conductors,
or in locations subject to strong external electric fields, such as radio
transmission equipment.
･Due to the internal circuitry, when measuring objects that contain certain
specific wave lengths, the indicated value of power may periodically shift
and not settle down. (Specifically, this occurs when measuring distorted
waves containing a large amount of high frequency waves which are the
even number multiple of 2.44 kHz.)
･When the input is less than 0.1% of the measurement range for current and
less than 40μA, the indication is forcibly set to zero. It is also set to zero
when the input is less than 0.2% of the measurement range for voltage, or
less than 0.1% for active power.
･The 3332 has a frequency measurement function, but this may produce
unexpected results on a waveform which is severely distorted.
･When a maximum rated voltage to earth of high frequency is applied (as for
example when measuring the secondary side of an inverter), errors may
occur in the measured values.
･To ensure the accuracy of measurement be careful not to let the unit
overheat. (Keep away from sources of heat, and provide sufficient ventilation
space around the unit, or when rack-mounted provide a cooling fan.)

1
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1.1 Product Overview
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
Chapter 1
Overview
1.1 Product Overview
The 3332 POWER HiTESTER is a single-phase power measurement
instrument for AC currents suitable for measuring the power of household
electrical appliances.
With this one unit, it is possible to measure voltage, current, active power,
apparent power, reactive power, the power factor, phase angle, frequency,
integrated value, and current peak value.
By using the peak-hold function, the peak value of the current waveform
during powering on can be measured.

2
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1.2 Features
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1.2 Features
(1) Meets the safety requirements of IEC61010-1.
(2) Wide broad band from 1 Hz to 100 kHz.
(3) In reactive power, power factor, and phase indication, it is possible to
recognize the phase is lead or lag.
(4) The current range is wide. (from 1 mA to 50 A)
(5) Analog output for voltage, current, and active power is provided. (3 channels
simultaneously output)
(6) Monitor output (waveform output) for voltage and current is provided. (2
channels simultaneously output)
(7) It is possible to measure the plus, minus, total integrations of power and
current simultaneously.
(8) The terminals for voltage and current measurements are insulated.
(9) All measurement data has synchronism.
(10) By using the GP-IB Interface and the RS-232C Interface, it is possible to
print out this unit's controls and data.
(11) This unit will convert either voltage, current, effective power, apparent
power, reactive power, power factor, phase angle, frequency, integration
value, and current peak value into ±5 V f.s. direct voltage and output from
the D/A output terminal.
(12) With the 50 A range, large currents can be accurately measured.
(13) With the 1 mA range, minute currents can be accurately measured.
(14) The peak value of a current waveform is measured.
(15) With response seting at "SLOW" , stable measurement is possible at 1 Hz
and above.
(16) The delay time from an input to an waveform output is 0.2 to 0.3 seconds.
(with response setting "FAST" )
(17) The comparator comes equipped with two channels that output HI, IN and
LO.
(18) It is possible to save up to 10 settings in memory for the comparator.
(19) When using the comparator, the setting values and instantaneous values
(measurement values) are simultaneously displayed.

3
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1.3 Identification of Controls and Indicators
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
Display b
Voltage range Display d
Condition of integration,
hold, settings
Display a
Display c
Rectifier
type
Response
speed
Power
switch
Current range
See Section 1.4
Comparator display
Front Panel
Current input terminal Voltage input terminal AC inlet (Power supply connector)
RS-232C interface GP-IB interface
Connector for external control and output
Rear Panel
1.3 Identification of Controls and Indicators

4
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1.4 Explanation for Keys
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Key Notation
in this manual Operations Section
a
AVE・FREQ
aChanges the display on the display a. 3.3
AVE・FREQ Sets the averaging count and frequency. 4.4, 4.5
b
PT･CT･SC
bChanges the display on the display b. 3.3
PT･CT･SC Sets the PT/CT ratio and SC.(scaling) 4.7
ccChanges the display on the display c. 3.3
Moves the cursor to the left. 4to6
ddChanges the display channel on the display d. 3.3
Moves the cursor to the right. 4to6
CH
COMP.1
CH Displays Comparator screen. 4.11
COMP1 Sets the comparator 1. 4.10
TABLE
COMP.2
TABLE Changes the comparator table. 4.11
COMP2 Sets the comparator 2. 4.10
RESPONSE
▲
RESPONSE Switches the response speed (FAST/SLOW/AUTO). 3.1
▲Increases the setting value. 4to6
RECTIFIER
▼
RECTIFIER Switches the rectifier type (RMS/MEAN/
MEAN+FILTER) 3.2
▼Decreases the setting value. 4to6
D/A
U
UDecreases the voltage range. 3.4
D/A Sets the D/A output item. 4.6
INTEG
UIncrease the voltage range. 3.4
INTEG Sets the integration time. 4.3
ENTER
I
IDecreases the current range. 3.4
ENTER Enter the setting value. 4to6
RANGE SEL
IIncreases the current range. 3.4
RANGE SEL Selects the measurement range. 4.12
1.4 Explanation for Keys
To get the lower key indications, press the SHIFT key first.

5
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1.4 Explanation for Keys
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
Key Notation
in this manual Operations Section
DATA OUT
PRINT
DATA OUT Outputs the measured value on the printer. 8.2, 8.7
PRINT Sets the printer interval and output item. 4.8
START/STOP
RESET
START/STOP Stops or starts the integration operation. 4.3.3
RESET Resets the integration value. 4.3.3
HOLD
PEAK HOLD
HOLD Holds the display value. 3.5
PEAK HOLD Holds the peak value and maximum value. 3.5
HELP
INTERFACE
HELP Outputs the setting values on the printer. 8.2, 8.7
INTERFACE Sets the GP-IB and RS-232C. 4.9
LOCAL
KEY LOCK
LOCAL Releases the remote state via interface. 8.2
KEY LOCK Sets the key lock state. 6.5
SHIFT
EXIT
SHIFT Validates the lower indicated function key.
(indicator is lit) This key is accepted even in
the key lock state.
2to6
EXIT Exits the setting mode and moves to
Measurement screen or Comparator screen. 4to6
Key operations during self-test when powering on
SHIFT →RESET: system reset is performed after self-test
SHIFT →ENTER: enter mode for changing the clock frequency of power
calculation circuit after self-test.
①→②:Press①and then ②in order.

6
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1.5 Display Reference
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Indications Meaning
Numbers Measurement value
m, k, M Indicates the prefix of unit.
V, A, W, VA, var, PF, ○,
Ip,Hz,Ah,+Wh,-Wh
±Wh, TIME
Indicates the unit and display item.
Voltage, current, active power, apparent power, reactive power, power
factor, phase angle, current peak, frequency, integration current, positive
integration power, negative integration power, total integration power,
integration elapsed time
RMS, MEAN, FILTER Indicates the rectifier type (RMS: true rms value, MEAN: average
rectifier effectiveness value conversion, MEAN+FILTER: with 500Hz
low-pass filter)
AUTO, 150 to 600 Indicates the voltage range (AUTO: auto-ranging on)
AUTO, 1,2,5,×10,
×100, mA Indicates the current range (AUTO: auto-ranging on)
SEL Indicator is lit when the range select function is set.
HI, IN, LO Indicates the comparator status. Indicator is not lit when the comparator
function is off.
RUN Indicates integration is in process (when lit), integration is stopped (when
flashing), and integration is in the reset state (when not lit).
SC Indicator is lit when the PT/CT ratios and SC is other than 1.
AV Indicator is lit excluding when the number of times of averaging are set
to 1.
HOLD Indicates hold state (when lit) or peak hold state (when flashing).
KEY LOCK Indicates key lock status.
SHIFT Indicates SHIFT status
RMT The unit is in remote control state.
PRINT Indicator is lit when the interface is in printer mode, or when GP-IB is
communicating and outputting data.
OVER Indicates the input's peak value has exceeded the range by 6 times.
o.r Indicates the value exceeds the display range. (o.r) = out of range
_,_(when Hz display) When displaying Hz, indicates on the left side of display.
"_": 100 kHz range, "_": 500 Hz range
---- Indicates the invalid data because of changing frequency.
V, A, W (flashing) Indicates that there was the value which is out of range "o.r" during
averaging.
Wh, Ah (flashing) Indicates that there was the value which is out of range "o.r" during
integration.
S.Err Indicates the PT/CT/SC was set so that the scaling result exceeds
99999M at 130% f.s. input. (scaling error)
1.5 Display Reference