3159 INSULATION /
Safety Standards Measuring Instruments
for Electrical Safety Testing
The 3159 INSULATION / WITHSTANDING HiTESTER is a
combination insulation resistance as well as voltage endurance tester.
It continuously performs insulation testing and voltage endurance
testing of electrical equipment and parts, doing both tests in a simpler
and more efficient way. This instrument implements all the applicable
ISO14001 safety standards, and is small, light, and inexpensive. It also comes
JQA-E-90091 standard with external I/O for automating production lines.
HIOKI company overview, new products, environmental considerations and
other information are available on our website.
One Unit Serves Two Functions --
Continuous Testing of Insulation and of
q Continuous Testing of Insulation q Standards Testing
and Voltage Endurance Contains on-board comparator and timer functions for
In automatic testing mode, the 3159 continuously tests determining compliance, thus simplify the testing of all
either insulation followed by voltage endurance (the applicable safety standards.
ability to "withstand" voltage) (I→W), or voltage q Interlock Function
endurance followed by insulation (W→I). In manual
mode it separately performs insulation testing or voltage Based on inputs such as a starter signal, enters a state
endurance testing. where output is blocked and testing is impossible, to
q Stores up to 10 Sets of Test Conditions guarantee safety such as during automated testing.
Stores up to 10 sets of test conditions for each of voltage
endurance mode and insulation mode, and can quickly
switch among the test conditions. (Save/Load)
Fluorescent Display Tube
The display uses a bright and
clear fluorescent tube.
The test voltage can be verified
not only from the digital display
but also in analog form. (Only
for voltage endurance testing.)
The warning light flashes
during testing and whenever
there is a high voltage between
Start/stop may be controlled with
the 9613 or the 9614.
(The 9613 and 9614 are options.) Insulation
Two Rated Measurement Voltages:
9613 9614 DC 500 or 1000 V
Voltage Measurement Range:
Endurance Testing 0.5 MΩ to 2000 MΩ
Transformer Capacity : 500VA q Discharge Feature
Two Test Voltage Ranges : The charge on the object being tested is
AC 0 to 2.5 or 5.0 kV discharged within the tester. This discharge
function avoids impacting the next test
q Voltage Comparator process.
In order to prevent test voltage errors, the timer is
only activated after the voltage rises to the
specified test voltage ± 5% (or ± 50V, whichever
(Depending on options, it may be possible to change the
voltage check just before test completion.)
Functions for Handling a Wide Range of Situations
This tester comes standard with features for automating EXT I/O, RS-232C,
and status out (relay contact output), as well as data management features.
Status Out Buzzer Volume
When the output conditions set up by Adjustment
the dip switches are satisfied (OR To indicate "pass" or "fail".
condition), there is relay contact
1. H.V.ON Output voltage generation
2. TEST Testing in progress Rear Panel Voltage
3. PASS Passed Output Terminals
4. FAIL Failed These are normally
5. INT.LOCK Interlocked connected to the front
6. READY Ready
7. EXT.CONT. Under external control EXT I/O (Open Collector, Photocoupler Insulation)
8. POWER ON Powers the 3159 on
EXT I/O Output Signals
RS-232C Pin Signal Function
Allows automatic testing and reading of 1 READY LO when in "ready state"
test results from a personal computer. 2 L-FAIL LO when in "fail state" for the lower bound
3 U-FAIL LO when in "fail state" for the upper bound
4 PASS LO when in "pass state"
EXT I/O Input Signals 5 TEST LO when in "test state"
Pin Signal 6 H.V.ON LO when a voltage is being generated to
Number Name Function the output terminals
11 W-MODE LO during voltage endurance
7 EXT-E When LO, the external I/O input signal is effect. ("withstanding") testing
8 START When LO, it functions as a "Start" key. 12 I-MODE LO during insulation testing
9 STOP When LO, it functions as a "Stop" key. 13 W-FAIL LO when in "fail state" for voltage
10 INT.LOCK Interlocked when open. 14 I-FAIL LO when in "fail state" for insulation testing
15 to 18 ISO.COM Ground inputs for external devices. 33 to 36 ISO.DCV 15 V (0.1 A) outputs
Wide Range of
1. Pass Hold Function (0: No Hold, 1: Hold) ➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈ ➉
The pass state is held when it occurs. This is convenient
for verifying the decision value.
2. Fail Hold Function (0: No Hold, 1: Hold) Various functions can be specified with the SHIFT + STOP keys.
The fail state is held when it occurs. This is convenient
for temporarily stopping the test process.
8. Interlock Function (0: Not Specified, 1: Specified)
3. Hold State (0: No Hold, 1: Hold) This specifies whether the interlock terminal for
This saves the state when the stop key is pressed during external I/O should be effective.
a test in order to unconditionally end the test.
9. Voltage Comparison Time (0: Start of Test, 1: End of Test)
4. Momentary Out (0: Not Specified, 1: Specified) When the voltage comparator is on during voltage
This function outputs a voltage only when the start key endurance testing, this specifies whether the comparison
is being pressed. The start key is effective both as EXT should be done at the start or the end of the test.
SW and external I/O.
10. Insulation Resistance Measurement Range
5. Double Action (0: Not Specified, 1: Specified) (0: Fixed Range, 1: Automatic Range)
This function starts the test if the start key is pressed less This specifies whether the measurement range for the
than about 0.5 seconds after the stop key. insulation resistance test should be a fixed range or an
6. Fail Mode (0: Not Specified, 1: Specified)
This function means that hold state can be released only 11. Insulation Resistance Test End Mode
by the stop key on the main body. 0 : Test for the specified time
1 : Stop when "pass" is determined
7. RS Command "START" (0: Not Specified, 1: Specified) 2 : Stop when "fail" is determined
This specifies whether the RS command "START" This specifies the method of ending the insulation
should be effective. resistance test.
s Voltage Endurance Testing s Decision Function
[ Test Voltage ] Decision method : Window comparison method (digital specification).
Decision results : UPPER-FAIL:
Output voltage : Two ranges: AC 0 to 2.5 or 5.0 kV The measured current (insulation resistance value)
Voltage output method : Zero input switch exceeded the specified upper bound.
Transformer capacity : 500 VA (rating: 30 minutes) PASS:
Voltage adjustment : Manual adjustment The measured current (insulation resistance value)
method was between the specified upper and lower bounds
Voltmeter : Average value rectified root-mean-square display and the specified time elapsed
Digital: AC 0.00 kV to 5.00 kV (full scale) LOWER-FAIL:
Accuracy: ± 1.5% f.s. The measured current (insulation resistance value)
Analog: AC 0 to 5 kV (full scale) was less than the specified lower bound.
Accuracy: ± 5% f.s Decision processing : For each decision result, output the display portion,
Waveform : Same as the power supply waveform the buzzer sound, and EXT I/O signal
Frequency : Same as the power supply frequency Specification ranges : Voltage endurance testing :
0.1 mA to 120 mA (upper bound) / 0.1 mA to 119 mA (lower bound)
[ Current Detection ] Insulation testing :
Current measurement : 0.01 mA to 120 mA 0.2 MΩ to 2000 MΩ (same for the upper and lower bounds).
range Specification resolution : Voltage endurance testing :
Indicated valueange : Average value rectified root-mean-square display (digital) 0.1 mA (0.1 mA to 9.9 mA) / 1 mA (10 to 120 mA)
Measurement : 0.01 mA (2 mA or 8 mA range) Insulation testing :
resolution 0.1 mA (32 mA range) 0.01 MΩ (0.2 MΩ to 2 MΩ), 0.1 MΩ (2.1 MΩ to 20 MΩ)
1 mA (120 mA range) 1 MΩ (21 MΩ to 200 MΩ), 10 MΩ (210 MΩ to 2000 MΩ)
Measurement : ( ± 3% f.s. + 20 µA) over the entire range s Timer
accuracy (Assumes a power supply waveform distortion ratio Specification range : 0.5 to 999 sec
of 5% maximum.) Action : When ON is specified:
s Insulation Resistance Testing After starting, a countdown from the specified time is displayed
When OFF is specified:
[ Test Voltage and Measurement Range ] Displays the elapsed time since the start.
Specification resolution : 0.1 sec. (0.5 to 99.9 sec.) ± 50 msec
Rated voltage : DC 500 V or 1000 V and accuracy 1 sec. (100 to 999 sec.) ± 0.5 sec
Unloaded voltage : From 1 to 1.2 times the rated voltage Nondeterministic : 0.5 sec. (Mask time until the determination begins
Rated measured : 1 mA to 1.2 mA interval during insulation resistance testing.)
current s Interfaces
Short circuit current : 4 mA to 5 mA (500 V) / 2 mA to 3 mA (1000 V)
Measurement range : 0.5 MΩ to 999 MΩ (500 V), 1 MΩ to 999 MΩ EXT I/O : Output signal:
and accuracy (1000 V) / ± 4% rdg Open collector output
1000 MΩ to 2000 MΩ / ± 8% rdg. Maximum loaded voltage DC 30 V
Measured resistance : 2 MΩ, 20 MΩ, 200 MΩ, 2000 MΩ (500 V) Maximum output current DC 100 mA / 1 signal
range 4 MΩ, 40 MΩ, 400 MΩ, 2000 MΩ (1000 V) Input signal:
Active low input / maximum applied voltage DC 30 V
EXT SW : Input signal (contact point input)
START, STOP, SW.EN (front terminal switch is effective)
s General Specifications RS-232C : Start-stop synchronization, full duplex, 9600 bps
Display : Fluorescent display tube (digital display) Voltage endurance : AC 1.35 kV, 10 mA, for one minute, between power
Monitor functions : Output voltage, detected current, measured resistance supply and chassis
Monitor period : 2 times/sec. minimum Maximum rated : 800 VA
Operating temperature : 0 ˚C to 40 ˚C, 80% rh maximum (no condensation) power
range Dimensions : Approx. 320 (W) × 155 (H) × 330 (D) mm (not
Storage temperature : -10 ˚C to 50 ˚C, 90% rh maximum (no condensation) including protrusions.)
range Mass : Approx. 18 kg (3159), Approx. 20.5 kg (3159-01),
Temperature and : 23 ˚C ± 5 ˚C, 80% rh maximum (no condensation), Approx. 21.5 kg (3159-02 to 3159-04)
humidity range for after warming up for at least 5 minutes Applicable standards : EMC: EN 61326-1:1997 + A1:1998 class A
assured accuracy Safety: EN 61010-1:1993 + A1:1995
Operating locations : Indoor, altitude 2000 m maximum Contamination level 2, overvoltage category
Power supply voltage : AC 100 V (3159), AC 120 V (3159-01), (expected overvoltage category 2500V)
AC 220 V (3159-02), AC 230 V (3159-03), Standard accessories : 9615 H.V. test lead (high voltage side and return, one
AC 240 V (3159-04), each), power cord, extra fuse
Power supply : 50 Hz to 60 Hz Options : 9613 REMOTE CONTROL BOX (SINGLE),
frequency 9614 REMOTE CONTROL BOX (DUAL),
9616 WARNING LAMP
3159 INSULATION / WITHSTANDING HiTESTER (100V) s Options
3159-01 INSULATION / WITHSTANDING HiTESTER (120V) 9613 REMOTE CONTROL BOX (SINGLE)
3159-02 INSULATION / WITHSTANDING HiTESTER (220V) 9614 REMOTE CONTROL BOX (DUAL)
9616 WARNING LAMP
3159-03 INSULATION / WITHSTANDING HiTESTER (230V) 9637 RS-232C CABLE (1.8 m) (9pin-9pin/Cross)
3159-04 INSULATION / WITHSTANDING HiTESTER (240V) 9638 RS-232C CABLE (1.8 m) (9pin-25pin/Cross)
HEAD OFFICE :
81 Koizumi, Ueda, Nagano, 386-1192, Japan
TEL +81-268-28-0562 / FAX +81-268-28-0568
E-mail: os-com@ hioki.co.jp
HIOKI USA CORPORATION :
6 Corporate Drive, Cranbury, NJ 08512 USA
TEL +1-609-409-9109 / FAX +1-609-409-9108
E-mail: hioki@ hiokiusa.com
All information correct as of Mar. 9, 2001. All specifications are subject to change without notice.
s Inter net HIOKI website http://www.hioki.co.jp/ F3159E1-13B-05P Printed in Japan
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