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Vermason 222504 - User Manual

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TESTER CALIBRATION UNIT
Installation, Operation and Maintenance
UNIT C, 4TH DIMENSION, FOURTH AVENUE, LETCHWORTH, HERTS, SG6 2TD UK
Phone: 0044 (0) 1462 672005, Fax: 0044 (0) 1462 670440 • e-mail: Service@Vermason.co.uk, Internet: Vermason.co.uk
TB-7581 April 2011 Page 1 of 2 © 2011 Vermason
TECHNICAL BULLETIN TB-7581
Made in Britain
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
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.
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.
Figure 1. Vermason 222547 Tester
Calibration Unit
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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Overview

  1. Function Description
  2. Important Technical Specifications
  3. Usage Features
  4. Operating Procedures
  5. Testing the Compact Tester (Wrist Strap Circuit)
  6. Testing the Compact Tester (Footwear Circuit)
  7. Testing the High Speed, High Accuracy Tester (Wrist Strap Circuit)
  8. Testing the High Speed, High Accuracy Tester (Footwear Circuit)
  9. Maintenance Features
  10. Limited Warranty
  11. Warranty Exclusions
  12. Limit of Liability

The Vermason Tester Calibration Unit, model 222547, is a passive device designed to simplify the calibration process for Vermason personnel testers. It allows users to quickly and easily verify whether a tester is operating within specifications without requiring an external power source. This unit is specifically designed for use with Vermason brand equipment and is intended for annual recalibration, though the frequency may vary based on the critical nature of ESD sensitive items handled and the risk of failure of ESD protective equipment.

Function Description:

The primary function of the Tester Calibration Unit is to provide known resistance values to personnel testers, allowing for verification of their accuracy. It features multiple selectable resistance ranges for both wrist strap and footwear circuits, enabling comprehensive testing of various tester types. The unit comes with a 10mm lead and a stud-to-stud adapter to facilitate connections to different tester configurations.

Important Technical Specifications:

  • Resistance Ranges:
    • Fail Low: 715 kilohm
    • Pass Low: 785 kilohm
    • Low Mid: 9.5 megohm
    • High Mid: 10.5 megohm
    • Pass High: 33 megohm
    • Fail High: 37 megohm
  • Accuracy: ±2%
  • Dimensions: 96mm (L) x 61mm (W) x 40mm (H)
  • Weight: 0.1kg
  • Power Source: Passive (requires no external power)

Usage Features:

The Tester Calibration Unit is used in conjunction with various Vermason testers, including:

  • 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

Operating Procedures:

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.

Testing the Compact Tester (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.
  6. Select "10.5M HIGH MID" on the Calibration Unit and repeat the test. The tester should indicate a PASS HIGH condition.
  7. Select "33M PASS HIGH" on the Calibration Unit and repeat the test. The tester should indicate a PASS HIGH condition.
  8. 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 (Footwear Circuit):

  1. Connect the 10mm lead from the Calibration Unit to the 10mm socket on the footplate lead of the High Speed, High Accuracy Tester using the stud-to-stud adapter.
  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.
  6. Select "10.5M HIGH MID" on the Calibration Unit and repeat the test. The tester should indicate a PASS HIGH condition.
  7. Select "33M PASS HIGH" on the Calibration Unit and repeat the test. The tester should indicate a PASS HIGH condition.
  8. Select "37M FAIL HIGH" on the Calibration Unit and repeat the test. The tester should indicate a FAIL HIGH condition.

Maintenance Features:

The Tester Calibration Unit itself is a passive device and does not require user-level maintenance in terms of power or internal components. However, regular calibration of the unit is crucial to ensure its accuracy. Vermason recommends annual recalibration, though this frequency may be adjusted based on the specific application and risk assessment. For detailed information regarding adjustment of specific Vermason brand testers, users should contact Vermason's Customer Service Department.

Limited Warranty:

Vermason provides a one-year warranty from the date of purchase, covering defects in material and workmanship. During this period, units will be tested, repaired, or replaced at Vermason's option, free of charge. To initiate a warranty claim, customers must obtain a Return Material Authorisation (RMA) and proper shipping instructions from Customer Service. Units under warranty should be shipped prepaid to the Vermason factory, accompanied by proof of purchase. Warranty repairs typically take approximately two weeks.

For units outside the warranty period, Vermason will provide a quote for repair charges to bring the unit to factory standards. An RMA and shipping instructions are also required for out-of-warranty repairs.

Warranty Exclusions:

The warranty is expressly made in lieu of all other product warranties, expressed and implied, including merchantability and fitness for a particular purpose. The warranty does not cover defects or damage resulting from accidents, neglect, misuse, alterations, operator error, or failure to properly maintain, clean, or repair products.

Limit of Liability:

Vermason or any seller will not be responsible or liable for any injury, loss, or damage, whether direct or consequential, arising from the use or inability to use the product. Users are responsible for determining the product's suitability for their intended use and assume all associated risks and liabilities.

Vermason 222504 Specifications

General IconGeneral
BrandVermason
Model222504
CategoryTest Equipment
LanguageEnglish