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Insulation resistance and earth continuity all in one GPIB automated tester
The Benchmark in Dielectric Analyzer
Performance, Safety and Value
The 944i is One Unit that does the Work of
a Multitude of Test Instruments
Consider the speed, power and flexibility of
the Vitrek 944i. It combines AC dielectric
strength testing (AC Hipot), insulation
resistance DC dielectric strength testing and
earth continuity measurement all in one
feature-rich automated instrument. This
compact dielectric analyzer lets you measure
four electrical safety test parameters from a
single test connection-all with the touch of a
button.
The Vitrek 944i delivers top performance and
versatility for manufacturing test, product
safety engineering, component evaluation, as
well as research and development
applications. You’ll find that the multi-function
944i is loaded with features that even the
larger more expensive dedicated testers don’t
offer. Powerful features including automatic
calibration, built-in diagnostics, internal
“watchdog” safety monitor, user memory for
up to 40 test routines, arc detection and
available interface package with IEEE-488.2,
RS-232 and direct test results printout
capability.
The Intelligent Choice for Operator Safety
At Vitrek, operator safety is not just a concern,
it is a relentless commitment. So
we engineered the 944i with an internal
“watchdog” safety monitor which automatically
shuts down the output in the event of an
inadvertent disconnect.
For added peace of mind the on-board
diagnostics of the 944i execute a complete
check of all safety systems every time you
power up.
World Class Technology Means Reliability
You Can Depend On
The Vitrek 944i provides increased
performance and reliability when compared to
discrete testers. Extensive use of ASIC, PAL
and built-in test technologies make possible
this high level of functionality with far fewer
components than existing instruments.
Demand That The Vitrek 944i Label is on
Your Dielectric Analyzer
Vitrek minimizes overall test time and
maximizes system reliability by combining four
dielectric test functions in one unit. It would
hardly seem possible that a slow dielectric
tester could back up an entire production line.
Yet with today’s imposing 100% dielectric
inspection requirements, the antiquated
manual hipot tester is often the manufacturing
bottleneck.
WORLD LEADERS IN COMPLIANCE AUTOMATIONSM
944i Advantages
• Tests to UL, CSA, IEC & TUV
Specifications
• Up to 5KVAC with 35mA
• 5KVDC standard, 7KVDC &
10KVDC optional
• Insulation resistance to 500GΩ
• Continuity down to .001Ω
• Real, apparent & total current
sense modes
• Leakage current measurement
down to 1nA
• IF-4 interface option includes
GPIB, RS-232, printer port & HV
scanner control port
• Selectable arc detection
• “Ramp Hi-Dwell Low” current
limits
• Safety Fault Interrupt (SFI)
circuit
• CE mark certified
• Password protected 40 position
test sequence 3 year
SM
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The Vitrek 944i Provides the Fastest, Most Accurate and Reliable
Test Results Available
We’ve harnessed the power of the microprocessor to make this dynamic
instrument simple and easy to operate for a surprisingly modest price..
Specifically, the extensive use of menu prompting walks you through the test
set-up. Built-in user memory allows you to store, recall and edit up to 40
different test programs. All test parameters are fully user selectable – no
hidden switches or pots to hamper operation.
The result is a clean, streamlined panel design that demands noticeably less
effort to operate – and the unrivaled power to execute customized test routines
at the touch of a button.
With its full 35mA sourcing capability, the Vitrek 944i possesses the
horsepower required to drive today’s capacitively filtered circuits - loads which
the 10mA to 25mA units just can’t handle. Yet, what sets the 944i apart from
the rest is its ability to discriminate between in-phase and out-of-phase leakage
currents.
At Vitrek, we manufacture human engineered automated test instruments.
But that’s not where our commitment stops. We back you up with a worldwide
network of Vitrek support centers. And we provide support by phone or e-mail
for any need or question that may arise.
This all adds up to one point - you’ll enjoy doing business with Vitrek. Our
service technicians, application engineers and customer satisfaction people just
wouldn’t have it any other way.
Vitrek 944i Performance Specifications
AC Dielectric Mode
AC Voltage Output
Tolerance is equal to the square root of the output voltage.
Output Examples
100 VAC Sqrt(100 ) ± 10.0 VAC
5000 VAC Sqrt(5000) ± 70.7 VAC
Output Frequency: 50Hz to 100Hz with 1Hz resolution.
Output Waveform: Digitally synthesized, low distortion sinewave.
AC Current Sensing (AC Leakage)
Range Resolution Accuracy
13.00µA
1.300mA
40.00mA
Current Sensing: Resistive current (in-phase), reactive current
(out of phase), or total current
Current sourcing limits: 35mA (20mA below 500 Volts)
DC Dielectric Mode
DC Voltage Output
Tolerance is equal to the square root of the output voltage times 0.75
Output Examples Formula Accuracy
100 VDC Sqrt(100) * 0.75 ± 7.5 VAC
5000 VDC Sqrt(5000) * 0.75 ± 53.0 VAC
Output above 5000 VDC requires option DC-7 or option DC-10
DC Current Sensing (DC Leakage)
Range Resolution Accuracy
1.800µA
18.00µA
1.8 00mA
40.00mA
Reading Rate: 3000 per second. Display updated 3 times per second.
Current sourcing limits: 35mA (20mA below 500 Volts)
Insulation Resistance Mode
Range: 100K to 500GΩ (5K VDC 10nA)
Accuracy: Combined uncertainty at current and voltage measurements.
Low Resistance Mode (Earth Continuity)
Full Scale: 8.5Ω maximum including lead resistance
Resolution: 1mΩ
Test Current: 50mA
Lead Compensation: Automatic offset circuit “nulls” out two wire
lead resistance.
Accuracy: 0.3% of reading + 30mΩ
10nA
1µA 0.5% of reading + 30µA
10µA 0.5% of reading + 500µA
1nA 0.4% of reading + 8nA
10nA 0.3% of reading + 50nA
1µA 0.3% of reading + 15µA
10µA 0.3% of reading + 100µA
Formula Accuracy
0.5% of reading + 1µA
General
Arc Detection: User selectable 3 to 30 microseconds.
Display: 40 Character alphanumeric LCD
High Voltage Indicator: Lightning bolt illuminated by independent
output voltage monitor.
Voltage Resolution: 1 volt AC or DC
Slew Rate: 10 Volts/second to 1999 volts/second, user selectable.
Limits: Test automatically aborts when digitally stored minimum or
maximum limit is exceeded.
Remote Interface Option IF-4 includes GPIB, RS232, Printer Port
& VICL – Vitrek auxiliary unit control loop.
Accuracy: Stated specifications are bipolar and apply for one year
within ± 5 °C from calibration temperature.
Calibration: Traceable to NIST, ANSI/NCSL Z540 certificate with
data.
Operating Temperature: 0°C to 50°C
Humidity: 90% RH, 0°C to 40°C
Power: 115/230 VAC ± 10%, 350 VA Max
Dimensions: 89mmH x 432mmH x 457mmD
(3.5”H x 17”W x 18”D)
Weight: 14Kg (34 lb.) Net / 18kg (40 lb.) shipping
Warranty: Extended 3 year warranty with registration and annual
factory calibration (calibration fee applies). 1 year warranty
standard.
Accessories: TL-20 lead set, power cord, manual, certificate of
calibration.
Ordering Information
Vitrek 944i Dielectric Analyzer
IF-4 Remote interface package
Includes IEEE-488, RS232-C, Parallel & VICL ports
SIJ-1 Safety Interlock Jack
TL-115A Test leads with 115 VAC outlet
TL-10 Test leads with high voltage probe
TL-20 Alligator test lead set
TL-IEC IEC power socket test lead
RM-1 Rack Mount kit
GP-1 1 Meter IEEE-488/GPIB Cable
GP-2 2 Meter IEEE-488/GPIB Cable
RS-1 6’ RS-232 Cable
QT-1 QuickTest Software
QT-2 Bundled QuickTest Software with PC GPIB card & cable
DC-7 Boosts max DC output to 7KV
DC-10 Boosts max DC output to 10KV
OM-944 Additional Operator’s manual
Represented By:
Vitrek Corporation
9880A Via Pasar
For more information call:
858 689 2755 or E-mail [email protected]
Prices and specifications subject to change without notice.
Vitrek, IBM, UL, CSA, VDE, TUV are registered trademarks of their respective
organizations. © Copyright 1999, Vitrek Corporation. All rights reserved. 05/27/04 Rev.
San Diego, CA 92126
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