Chroma 19071 User manual

HIPOT Tester
19071/19072/19073
User’s Manual
Version 3.2
April 2017

ii
Legal Notices
The information in this document is subject to change without notice.
Chroma ATE INC. makes no warranty of any kind with regard to this manual, including, but
not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Chroma ATE INC. shall not be held liable for errors contained herein or direct, indirect,
special, incidental or consequential damages in connection with the furnishing, performance,
or use of this material.
CHROMA ATE INC.
66 Huaya 1st Road, Guishan, Taoyuan 33383, Taiwan
Copyright Notices. Copyright 2003 - 2017 Chroma ATE INC., all rights reserved.
Reproduction, adaptation, or translation of this document without prior written permission is
prohibited, except as allowed under the copyright laws.

iii
Warranty
All of Chroma’s instruments are warranted against defects in material and workmanship for a
period of one year from date of shipment. Chroma agrees to repair or replace any assembly
or component found to be defective, under normal use during this period. Chroma’s
obligation under this warranty is limited solely to repairing any such instrument, which in
Chroma’s sole opinion proves to be defective within the scope of the warranty when returned
to the factory or to an authorized service center. Purchaser is responsible for the shipping
and cost of the service item to Chroma factory or service center. Shipment should not be
made without prior authorization by Chroma.
This warranty does not apply to any products repaired or altered by persons not authorized
by Chroma, or not in accordance with instructions furnished by Chroma. If the instrument is
defective as a result of misuse, improper repair, or abnormal conditions or operations,
repairs will be billed at cost.
Chroma assumes no responsibility for its product being used in a hazardous or dangerous
manner either alone or in conjunction with other equipment. High voltage used in some
instruments may be dangerous if misused. Special disclaimers apply to these instruments.
Chroma assumes no liability for secondary charges or consequential damages and in any
event, Chroma’s liability for breach of warranty under any contract or otherwise, shall not
exceed the purchase price of the specific instrument shipped and against which a claim is
made.
Any recommendations made by Chroma regarding the use of its products are based upon
tests believed to be reliable; Chroma makes no warranty of the results to be obtained. This
warranty is in lieu of all other warranties, expressed or implied, and no representative or
person is authorized to represent or assume for Chroma any liability in connection with the
sale of our products other than set forth herein.
CHROMA ATE INC.
66 Huaya 1st Road, Guishan,
Taoyuan 33383, Taiwan
Tel: [phone]
Fax: [phone]
e-mail: [email protected]
http://www.chromaate.com

iv
Material Contents Declaration
The recycling label shown on the product indicates the Hazardous Substances contained in
the product as the table listed below.
: See <Table 1>.
: See <Table 2>.
<Table 1>
Part Name
Hazardous Substances
Lead
Mercury
Cadmium
Hexavalent
Chromium
Polybrominated
Biphenyls/
Polybromodiphenyl
Ethers
Selected Phthalates
Group
Pb
Hg
Cd
Cr6+
PBB/PBDE
DEHP/BBP/DBP/DIBP
PCBA O O O O O O
CHASSIS O O O O O O
ACCESSORY O O O O O O
PACKAGE O O O O O O
“O” indicates that the level of the specified chemical substance is less than the threshold
level specified in the standards of SJ/T
-11363-2006 and EU Directive 2011/65/EU.
“
” indicates that the level of the specified chemical substance exceeds the threshold level
specified in the standards of SJ/T
-11363-2006 and EU Directive 2011/65/EU.
Remarks:
The CE marking on product is a declaration of product compliance with EU
Directive 2011/65/EU.
Disposal
Do not dispose of electrical appliances as unsorted municipal waste, use separate collection
facilities. Contact your local government for information regarding the collection systems
available. If electrical appliances are disposed of in landfills or dumps, hazardous
substances can leak into the groundwater and get into the food chain, damaging your health
and well-being. When replacing old appliances with new one, the retailer is legally obligated
to take back your old appliances for disposal at least for free of charge.

v
<Table 2>
Part Name
Hazardous Substances
Lead
Mercury
Cadmium
Hexavalent
Chromium
Polybrominated
Biphenyls/
Polybromodiphenyl
Ethers
Selected Phthalates
Group
Pb
Hg
Cd
Cr6+
PBB/PBDE
DEHP/BBP/DBP/DIBP
PCBA O O O O O
CHASSIS O O O O O
ACCESSORY O O O O O
PACKAGE O O O O O O
“O” indicates that the level of the specified chemical substance is less than the threshold
level specified in the standards of SJ/T
-11363-2006 and EU Directive 2011/65/EU..
“
” indicates that the level of the specified chemical substance exceeds the threshold level
specified in the standards of SJ/T
-11363-2006 and EU Directive 2011/65/EU..
1.
Chroma is not fully transitioned to lead-free solder assembly at this moment; however,
most of the components used are RoHS compliant.
2.
The environment-friendly usage period of the product is assumed under the operating
environment specified in each product’s specification.
Disposal
Do not dispose of electrical appliances as unsorted municipal waste, use separate collection
facilities. Contact your local government for information regarding the collection systems
available. If electrical appliances are disposed of in landfills or dumps, hazardous
substances can leak into the groundwater and get into the food chain, damaging your health
and well-being. When replacing old appliances with new one, the retailer is legally obligated
to take back your old appliances for disposal at least for free of charge.

vi

vii
Safety Summary
The following general safety precautions must be observed during all phases of operation,
service, and repair of this instrument. Failure to comply with these precautions or specific
WARNINGS given elsewhere in this manual will violate safety standards of design,
manufacture, and intended use of the instrument. Chroma assumes no liability for the
customer’s failure to comply with these requirements.
BEFORE APPLYING POWER
Verify that the power is set to match the rated input of this power
supply.
PROTECTIVE GROUNDING
Make sure to connect the protective grounding to prevent an electric
shock before turning on the power.
NECESSITY OF PROTECTIVE GROUNDING
Never cut off the internal or external protective grounding wire, or
disconnect the wiring of protective grounding terminal. Doing so will
cause a potential shock hazard that may bring injury to a person.
FUSES
Only fuses with the required rated current, voltage, and specified type
(normal blow, time delay, etc.) should be used. Do not use repaired
fuses or short-circuited fuse holders. To do so could cause a shock or
fire hazard.
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or
fumes. The instrument should be used in an environment of good
ventilation.
DO NOT REMOVE THE COVER OF THE INSTRUMENT
Operating personnel must not remove the cover of the instrument.
Component replacement and internal adjustment can be done only by
qualified service personnel.

viii
Safety Symbols
DANGER – High voltage.
Explanation: To avoid injury, death of personnel, or damage to
the instrument, the operator must refer to the explanation in the
instruction manual.
High temperature: This symbol indicates the temperature is
hazardous to human beings. Do not touch it to avoid any
personal injury.
Protective grounding terminal: This symbol indicates that the
terminal must be connected to ground before operation of the
equipment to protect against electrical shock in case of a fault.
Functional grounding: To identify an earth (ground) terminal in
cases where the protective ground is not explicitly stated. This
symbol indicates the power connector does not provide
grounding.
Frame or chassis: To identify a frame or chassis terminal.
Alternating Current (AC)
Direct Current (DC) / Alternating Current (AC)
Direct Current (DC)
Push-on/Push-off power switch
The WARNING sign highlights an essential operating or
maintenance procedure, practice, condition, statement, etc.,
which if not strictly observed, could result in injury to, or death of,
personnel or long term health hazards.
The CAUTION sign highlights an essential operating or
maintenance procedure, practice, condition, statement, etc.,
which if not strictly observed, could result in damage to, or
destruction of, equipment.
The Notice sign highlights an essential operating or maintenance
procedure, condition, or statement.
WARNING
CAUTION

ix
The Danger of Operating
1. When the instrument is under output voltage, please don’t touch test area or you may
shock hazard and result in death.
Please obey the following items.
•Make sure the grounding cable is connected correctly and using the standard power
cord.
•Don’t touch the output terminal.
•Don’t touch test cable of connecting test termination.
•Don’t touch test termination object.
•Don’t touch any charge component of connecting output terminal.
•As the instrument end the test or turn off output, please don’t touch test unit immediately.
2. The shock accidents are usually occurred on the following conditions.
•The grounding terminal of the instrument doesn’t connect correctly.
•No use insulation glove for testing.
•After test is completed to touch test unit immediately.
3. Remote control for the instrument: This instrument provided with remote control, normally
using the external signal to control high voltage output. For safety reasons and prevent
from hazards, please exactly follow instructions below while using remote control.
•Unexpected high voltage output may exist. Make sure if this instrument is under
testing/remote controlling before access to the probes.
•When the instrument is under testing/operating, any access to DUT, test cable and
probe output terminal are prohibited, both for the operator/service personnel.
•Normally remote control of this instrument is controlled by the high voltage test bar.
However, using of other control circuit is also possible. For safety reasons and prevent
from hazards, please notice that unintentional access to the control test bar or
bridging the control circuit to high voltage terminal and test cables may cause hazards.
Please keep this terminal/control from unintentional bridging/access to avoid danger.
1. Don't tie HV cable, RS232, Handler, GPIB control cable and other
low voltage cable together. Or it may cause product damaged or PC
crashed.
2. To avoid fire, heat and electrical related hazards, before operating
always check cable attachment of alligator clipper and connector for
both COMMON (RTN/LOW) and OUTPUT (High voltage output)
terminals to make sure no conductor strand of test cable is loosen or
damaged.
WARNING

x
Storage, Freight, Maintenance & Cleaning
Storage
When not in use, please pack the device properly and store in a suitable environment.
Freight
Please pack the device carefully before moving it. If any of the original packing material is
missing, please use suitable alternative material and mark it “fragile” and “keep away from
water” to avoid damaging to the product.
This product is a piece of precision test equipment, so please do not drop or hit it.
Maintenance
In case of any malfunction or abnormality, please refer to the manual, or contact our local
distributor for prompt service. Do not touch any parts inside the instrument to avoid any
danger to yourself or damage to the product.
Cleaning
Remove all connected wires and cables on the instrument before cleaning. Use a brush to
clean the dust on it. For internal cleaning, use a low-pressure air gun to vacuum the dust
inside or send it back to the distributors or agents of Chroma for cleaning.

xi
Revision History
The following lists the additions, deletions and modifications in this manual at each revision.
Date
Version
Revised Sections
Jan. 2003
1.0
Complete this manual.
April 2003
1.1
Modify ”Specifications (18°C ∼28°C RH ≤70%)”
“Standard Accessory”
“Rear Panel”
“RS-485 Interface”
“Solving Problems”
Dec. 2003
1.2
Modify “Introduction”
“Rear Panel”
“Operation”
“Auto Range”
“Calibration Procedure”
“Command Description”
Delete “RS-485 Interface”
Add “RS485 Interface (Optional)”
March 2004
1.3
Add “The Danger of Operating”
“Storage. Freight. Maintenance. Disposal”
Modify “Specifications (18ºC ∼28ºC RH ≤70%)”
“Rear Panel”
Sep. 2004
1.4
Modify “Product Features”
“Optional Accessory”
“Rear Panel”
“PROGRAM Parameter Setting”
“How to Perform Tests”
“RS485 Interface (Option)”
March 2005
1.5
Modify “Introduction”
“System Setup”
“PROGRAM Parameter Setting”
“How to Perform Tests”
“KEY LOCK Function”
“Command List”
“Command Description”
Aug. 2006
1.6
-Add “CE Statement of Conformity”
-Add the description of “Power Cord (W12 030080)”to the section
of “Standard Accessory”
-Add the section of “Initial Inspection”
Nov. 2006
1.7
-Modify the description of Disposal in “Storage, Freight,
Maintenance & Disposal”
-Modify the descriptions of RS-485 command in the section of
“Command Description”.

xii
March 2007
1.8
Add “Material Contents Declaration”
Delete the description of Disposal in “Storage, Freight, Maintenance
& Disposal”
Dec. 2007
1.9
Delete the following:
-the column of Part Number in the section of “Standard
Accessory” & “Optional Accessory”.
Modify the following:
-the description of “I-RUS” in the section of “PROGRAM
Parameter Setting”.
-the description of “Inrush” in DC Mode table in the section of
“Command Description”.
Dec. 2008
2.0
Modify the following:
-the description of “Hipot” item in the section of “Specifications”.
-the description of table in the section of “Standard Accessory”.
-“(3) System Parameter Setting Table” in the section of “System
Setup”.
-“PRESET parameter function table” in the section of “PRESET
Parameter Setting”.
-the menu of “Open/Short Detection Mode (OS)” in the section of
“PROGRAM Parameter Setting”.
-“Test Steps (OS) Standby Menu” & “Description Table for Test
Result” in the section of “How to Perform Tests”.
-“CONFIRM Window” in the section of “Change User Password”.
-the description in the section of “Command Description”.
Nov. 2009
2.1
Add the descriptions of “RS-232 interface”.
Jun. 2010
2.2
Add two new items in the section of “Solving Problems”.
Dec. 2010
2.3
Modify “Material Contents Declaration”.
Mar. 2011
2.4
Add the section of “Timing Diagram”.
Sep. 2011
2.5
Add the related description of “IR Range Selection”.
Mar. 2012
2.6
Modify the following:
-“CE Declaration”.
−Figure 2-4 in the section of “Remote Control”.
-description of “Time T2” in the section of “Timing Diagram”.
Dec. 2012
2.7
Modify the figure of item (2) in the section of “DCA Calibration (DC/IR
MODE)”.
Dec. 2013
2.8
Add Standard warnings to the section of “Solving Problems”.
Jan. 2015
2.9
Add the warning to the section of “The Danger of Operating”.
Sep. 2016
3.0
Modify “CE Declaration of Conformity”.
Dec. 2016
3.1
Modify the following:
−Rear panel figure in the section of “Rear Panel”.

xiii
−Figure 2-1, figure 2-2, figure 2-3 and figure 2-4 in the section of
“Remote Control”.
−the description of table and timing diagram in the section of
“Timing Diagram”.
Delete FAIL descriptions in the sections of “Rear Panel” and “Output
Signal”.
Apr. 2017
3.2
Modify the following:
- “Material Contents Declaration”.
- “CE Declaration of Conformity”.
Add “User Manual Customer Feedback”.

HIPOT Tester 19071/19072/19073 User’s Manual
xv
Table of Contents
1. Introduction........................................................................................................... 1-1
1.1 An Overview of Function.....................................................................................1-1
1.2 Product Features ................................................................................................ 1-1
1.3 Specifications (18ºC ∼28ºC RH ≤70%).............................................................. 1-3
1.4 Standard Accessory............................................................................................1-5
1.5 Optional Accessory .............................................................................................1-5
1.6 Initial Inspection.................................................................................................. 1-5
2. Operation and Setting .......................................................................................... 2-1
2.1 Front Panel.........................................................................................................2-1
2.1.1 Display Area............................................................................................2-1
2.1.2 Button Area .............................................................................................2-2
2.1.3 Terminal Area ..........................................................................................2-2
2.2 Rear Panel..........................................................................................................2-3
2.3 Operation............................................................................................................ 2-6
2.3.1 Memory Process ..................................................................................... 2-6
2.3.2 System Setup.......................................................................................... 2-7
2.3.3 PRESET Parameter Setting .................................................................... 2-9
2.3.4 PROGRAM Parameter Setting................................................................ 2-9
2.4 How to Perform Tests........................................................................................ 2-13
2.5 Other User Setting Function.............................................................................. 2-17
2.5.1 KEY LOCK Function.............................................................................. 2-17
2.5.2 Auto Range ........................................................................................... 2-17
2.5.3 Change User Password......................................................................... 2-18
2.5.4 Remote Control..................................................................................... 2-19
2.5.5 Output Signal ........................................................................................ 2-20
2.5.6 Timing Diagram..................................................................................... 2-21
3. Installation and Maintenance............................................................................... 3-1
3.1 Notices for Installation.........................................................................................3-1
3.1.1 Charging During DC HiPot/Insulation Resistance Test............................. 3-2
3.1.2 Emergency Events.................................................................................. 3-3
3.1.3 Solving Problems ....................................................................................3-3
3.2 Notices for Maintenance ..................................................................................... 3-5
3.3 Troubleshooting.................................................................................................. 3-5
3.4 Input/Output Pin Assignment...............................................................................3-6
4. Calibration Procedure .......................................................................................... 4-1
4.1 Calibration...........................................................................................................4-2
4.2 Voltage Calibration..............................................................................................4-2
4.2.1 Connection Diagram................................................................................4-2
4.2.2 ACV Calibration (AC Mode)..................................................................... 4-2
4.2.3 DCV Calibration (DC/IR MODE).............................................................. 4-3
4.2.4 IRV Calibration (DC/IR Mode).................................................................. 4-4
4.3 Current Calibration.............................................................................................. 4-5
4.3.1 Connection Diagram................................................................................4-5
4.3.2 ACA Calibration (AC MODE) ................................................................... 4-5
4.3.3 DCA Calibration (DC/IR MODE) .............................................................. 4-6
4.4 ARC Calibration.................................................................................................. 4-8
4.4.1 Connection Diagram................................................................................4-8
4.4.2 AC ARC Calibration (AC MODE)............................................................. 4-8
4.4.3 DC ARC Calibration (DC MODE)............................................................. 4-9

HIPOT Tester 19071/19072/19073 User’s Manual
xvi
4.5 IRR Calibration (IR Mode)................................................................................. 4-10
4.5.1 Connection Diagram.............................................................................. 4-10
4.5.2 Insulation Resistance Calibration........................................................... 4-10
4.6 Ground Continue Calibration............................................................................. 4-12
4.6.1 Connection Diagram.............................................................................. 4-12
4.6.2 Description of Ground Continue Calibration........................................... 4-12
4.7 LCD Contrast Calibration.................................................................................. 4-13
4.8 Complete Calibration ........................................................................................ 4-13
5. RS485 Interface (For Link Model of 19073 + RS485)........................................... 5-1
5.1 Description of Function ....................................................................................... 5-1
5.2 Parameter Setting............................................................................................... 5-1
5.3 Terminal and Pin Signal Connection.................................................................... 5-2
5.4 Communication Protocol..................................................................................... 5-3
5.5 Command List.....................................................................................................5-4
5.6 Command Description.........................................................................................5-4
5.7 Flow Diagram.................................................................................................... 5-24
6. RS232 Interface..................................................................................................... 6-1
6.1 Guide..................................................................................................................6-1
6.2 Interface Specification......................................................................................... 6-1
6.3 RS-232 Single Unit Connection for Parameter Setting........................................ 6-1
6.4 Connector...........................................................................................................6-1
6.5 Method of Connecting.........................................................................................6-2
6.6 Communication Protocol..................................................................................... 6-2
7. Maintenance.......................................................................................................... 7-1
7.1 General...............................................................................................................7-1
7.2 Instrument Return............................................................................................... 7-1

Introduction
1-1
1. Introduction
1.1 An Overview of Function
■This high quality automatic HiPot test instrument is designed to test the withstanding
leakage current and insulation resistance for electric machinery and electronic devices.
■For withstanding test, its output power is AC: 100VA (5kV, 20mA), DC: 30VA (6KV, 5mA),
which is applicable to electronic, electric machinery and components for withstanding and
insulation tests.
■For insulation resistance, its test range is from 0.1MΩ~50GΩ, and test voltage is 0.050kV
~1kV definable.
■For ground continue, its test range is from 0Ω∼5Ω.
■For short/open detection, before testing high voltage test if the capacitance is short or
open circuit in advance. For ensure the DUT is good contact then to perform high
voltage test.
■All settings for state, time, current, voltage and resistance can be seen clearly on the
display. There is no need to memorize the parameter state of any items.
■It is equipped with devices for Pass/Fail judgment, test results and remote control.
■It can perform high efficiency and accurate tests for electric machinery, electronic devices
and components.
1.2 Product Features
■Multiple Test States
This instrument can select a single item for test, such as AC withstanding test, DC
withstanding test, insulation resistance test, ground continue test and short/open
detection test.
■Clear Display
This instrument has the clearest design for setting the parameters of test voltage, current
states, readings, procedures and states. All of them can be read from the display directly.
■High/Low Limit Comparator for Pass/Fail Judgment
The function of high/low limit comparator for Pass/Fail judgment is designed for both
withstanding and insulation resistance test. The HiPot low limit comparator and insulation
high limit comparator are generally designed to prevent the misjudgment due to bad
connection or test cable tripped. This function is able to detect if there is any bad
connection or broken line.
■Remote Control
This instrument can extend [START] and [RESET] signals to control externally. Usually
they are connected to high voltage test gun or control case.

HIPOT Tester 19071/19072/19073 User’s Manual
1-2
■Changing the Time for Voltage Rising
This instrument contains [RAMP] function. This function is to change the time required for
the outputted test voltage from zero rising to the specified value.
■Changing the Time for Voltage Falling
This instrument contains [FALL] function. This function is to change the time required for
the outputted test voltage from the specified value falling to zero.
■Current Range Auto Switch
There are two HiPot test AC ranges, one is low AC range 0 ~ 3.000mA, the other is AC
3.01~20mA. There are three DC ranges, low current range 0 ~ 300uA, current range
0.301mA ∼3mA and current range 3.01mA ∼5.00mA. When the testing current is small,
you can set if to switch the current range to the low one automatically for higher resolution
via software as need.
■RS-232 Link (For link model of RS-232 only)
The tester that can use RS-232 interface card and PC mainframe performs link test.
■RS-232 Link and RS-485 Interface Multi-Link Test (For link test model of RS-485
only)
The tester that can use RS-232 interface card or install RS-485 interface card and PC
mainframe performs link test. The maximum is 31 sets of instruments to process link test
with PC mainframe as using RS-485 interface card simultaneously. Also, PC mainframe
can control the setting and read the test data. When there is no PC mainframe, multi-link
test can be performed individually but the test data can’t be read.