Compliance West HTT-1S User manual
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Dear Customer:
Congratulations! Compliance West USA is proud to
present you with your HTT-1S. The operating instructions
are included in the Manual, so please retain this
information for future use.
Thank you for your trust and confidence.
Rev. 0, March 2017
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Table of Contents
Operating Instructions ......................................................................................2
Theory of Operation .......................................................................................... 2
Introduction and Specifications.........................................................................4
Introduction ....................................................................................................... 4
Specifications..................................................................................................... 4
Table 1: Specifications of the HTT-1S............................................................ 4
Operation..........................................................................................................6
Setting up the HTT-1S........................................................................................ 6
Figure 2: HTT-1S Front Panel Features.......................................................... 7
Figure 3: HTT-1S OFFSET switch location ...................................................... 7
TTable 2: HTT-1S front panel Controls, Indicators, and Connectors............. 8
Setup Procedure: Hipot Tester .......................................................................... 9
Setup Procedure: Ground Bond Tester .......................................................... 11
Figure 5: Connection to a Ground bond tester............................................ 11
Unanticipated Results...................................................................................... 12
Troubleshooting the HTT-1S............................................................................13
Table 3: HTT-1S Normal operating modes and expected results................ 13
Table 4: HTT-1S Resistance for ground circuit ............................................ 14
Technical Assistance........................................................................................15
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Section 1
Operating Instructions
Theory of Operation
The HTT-1S is designed to be a solution for fast and easy function testing of
the HT-S series of dielectric withstand and continuity testers, including high
current models delivering up to 30 amps. It allows function tests of all three
failure modes to ensure that your tester is functioning properly.
The HTT-1S is designed to verify calibration points at a fixed value.
The HTT-1S, used daily, will prove function of the safety testers before shifts
or before testing of a lot of products. It is provided with three switches which
simulate passing and failing equipment for ground continuity, high leakage
between primary circuits and ground, and dielectric withstand failure between
primary and ground circuits. While all three switches can be simultaneously set
for failing modes, we recommend that the HTT-1S be set with one failure at a
time to ensure that your testers are functioning correctly.
A proper test plan would be constituted of the following tests:
1. Connect HTT-1S to the tester outputs.
2. Set all three switches on the HTT-1S to ‘PASS’.
3. Verify passing result on the Tester.
4. Set the Ground switch on the HTT-1S to ‘FAIL’; set both other switches to
‘PASS’.
5. Verify Ground failure on the Tester.
6. Set the Leakage switch on the HTT-1S to ‘FAIL’; set both other switches to
‘PASS’.
7. Verify Leakage current failure on the Tester.
8. Set the Hipot switch on the HTT-1S to ‘FAIL’; set both other switches to
‘PASS’.
9. Confirm high voltage output by watching for a spark in the Arc Detect window
of the HTT-1S; verify dielectric breakdown failure on the Tester.
The above plan is presented in more detail in the Operation Section of this
Manual; showing proper connection of the HTT-1S to any dielectric tester and
any high current ground continuity tester you may wish to test.
If any of the tests above return unanticipated results, you may have a problem
with your tester. It is recommended that it be removed from service until the
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problem can be resolved. Section 4 of this manual also has troubleshooting
information to help you determine if the HTT-1S is functioning correctly.
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Section 2
Introduction and Specifications
Introduction
This manual contains complete operating, maintenance and calibration
instructions for the Compliance West USA Model HTT-1S Function Tester.
The instrument is a portable function tester used to verify proper
operation of hipot and ground continuity testers. The HTT-1S is intended to be
used as a calibration verification tool.
The HTT-1S is warranted for a period of one year upon shipment to the
original purchaser.
Specifications
Specifications for the HTT-1S are listed in the following table:
Table 1: Specifications of the HTT-1S
Maximum current capability of GROUND test circuit: 30 Amps
Ground Test time should be 3 seconds Max and rest 10 s for currents above 10A
Setting of PASS for Ground Circuit: 0.025 ohm resistor *
Setting of FAIL for Ground Circuit: 0.1 ohm resistor *
Setting of PASS for Leakage Current: open circuit
Setting of FAIL for Leakage Current: short-circuit
Maximum voltage capability of HIPOT test circuit: 3000VAC / 4200VDC
Setting of PASS for Hipot test: open circuit
Setting of FAIL for Hipot test: arc-over at 750 + 400VAC / 1050 + 560VDC
HT-1S model only works with the following S series testers:
-HT-2000S
-HT-2800S
-HT-3000S
*Note: Switch contacts resistance and connectors can add up to 0.03 to the total
resistance. For customized values see product label.
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Figure 1 Electrical Diagram of the HTT-1S
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