Vermason 222504 Installation Operation & Maintenance

TESTER CALIBRATION UNIT
Installation, Operation and Maintenance
Figure 1. Vermason 222547
Calibration Unit
Description
The Vermason 222547 Tester
Calibration Unit is designed to simplify
the process of calibrating Vermason
personnel testers. This unit allows
the user to quickly and easily verify
whether a tester is operating within
specifications. The Tester Calibration
Unit is a passive device and requires
no power source.
This device is intended to be used
with the following items:
Item Description
222504 Compact Wrist Strap
Tester
222506 Compact Wrist Strap Test
Station
222507 Compact Wrist Strap /
Footwear Test Station
222543 High Speed, High
Accuracy Wrist Strap
Tester
222544 High Speed, High
Accuracy Wrist Strap Test
Station
222545 High Speed, High
Accuracy Wrist Strap /
Footwear Test Station
222546 High Speed, High
Accuracy Wrist Strap /
Footwear Test Station with
Output
Phone: 0044 (0) 1462 672005, Fax: 0044 (0) 1462 670440 • e-mail: Service@Vermason.co.uk, Internet:
TB-7581 April 2011 Page 1 of 2
TECHNICAL BULLETIN TB-7581
Packaging
1 Tester Calibration Unit
1 Stud-to-Stud Adapter
1 Certificate of Calibration
Operation
The Tester Calibration Unit was
specifically designed for use in
calibration of Vermason brand
equipment. The following procedures
will not cover adjustment of the test
equipment. For detailed information
regarding adjustment of specific
Vermason brand testers, contact our
Customer Service Department at
0044 (0) 1462 672005.
Tester
Frequency of recalibration should be
based on the critical nature of those
ESD sensitive items handled and the
risk of failure for the ESD protective
equipment and materials. In general,
we recommend that calibration be
performed annually.
Testing the Compact Tester
WRIST STRAP CIRCUIT
1. Connect the 10mm lead from the
Calibration Unit to the 10mm wrist
strap stud on the Compact Tester.
2. Select 715K FAIL LOW on the
Calibration Unit.
3. Press and hold the Calibration
Unit's test probe on the Compact
Tester's test plate. The tester
should indicate a FAIL LOW
condition.
4. Select 785K PASS LOW on the
Calibration Unit and repeat the
test. The tester should indicate a
PASS condition.
5. Select 33M PASS HIGH on the
Calibration Unit and repeat the
test. The tester should indicate a
PASS condition.
6. Select 37M FAIL HIGH on the
Calibration Unit and repeat the
test. The tester should indicate a
FAIL HIGH condition.
UNIT C, 4TH DIMENSION, FOURTH AVENUE, LETCHWORTH, HERTS, SG6 2TD UK
FOOTWEAR CIRCUIT
1. Connect the 10mm lead from the
Calibration Unit to the 10mm
footwear stud on the Compact
Tester.
2. Select 715K FAIL LOW on the
Calibration Unit.
3. Press and hold the Calibration
Unit's test probe on the Compact
Tester's test plate. The tester
should indicate a FAIL LOW
condition.
4. Select 785K PASS LOW on the
Calibration Unit and repeat the
test. The tester should indicate a
PASS condition.
5. Select 33M PASS HIGH on the
Calibration Unit and repeat the
test. The tester should indicate a
PASS condition.
6. Select 37M FAIL HIGH on the
Calibration Unit and repeat the
test. The tester should indicate a
FAIL HIGH condition.
Testing the High Speed, High
Accuracy Tester
WRIST STRAP CIRCUIT
1. Connect the 10mm lead from the
Calibration Unit to the 10mm wrist
strap stud on the High Speed,
High Accuracy Tester.
2. Select 715K FAIL LOW on the
Calibration Unit.
3. Press and hold the Calibration
Unit's test probe on the High
Speed, High Accuracy Tester's
test plate. The tester should
indicate a FAIL LOW condition.
4. Select 785K PASS LOW on the
Calibration Unit and repeat the
test. The tester should indicate a
PASS LOW condition.
5. Select 9.5M LOW MID on the
Calibration Unit and repeat the
test. The tester should indicate a
PASS LOW condition.
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Made in Britain
© 2011 Vermason