Electrostatic Discharge (ESD) occurs in everyday life, when two or more differently-charged objects are brought in close proximity to each other or come into contact with one another, often creating a visible spark.
Although many people think of ‘electric shocks’ from car doors, light switches and other people, ESD is much more extreme when it comes down to electronic components and devices. ESD can cause serious, and most often irreversible, damage to static sensitive components like printed circuit boards which can be found in computers. If you work with electronic components and devices on a regular basis, then it is essential to regulate electrostatic discharge in a work environment – this is why there are special products in the market to control static electricity.
In this article, we will focus on Wrist Strap Testers – ESD testing instruments that check the continuity of fitted wrist straps and cords, ensuring that they’re working correctly before use.
Are you looking for static control products? Browse through Bondline’s selection of anti static consumables today!
If you are not using a continuous or a constant monitor, a wrist strap should be tested at least daily with a wrist strap tester. This quick check can determine that no break in the path-to-ground has occurred. Wrist straps should be worn while they are tested. This provides the best way to test all three components:
As wrist straps are the most commonly used personnel grounding device to ground operators, you will find a lot of testers on the market check wrist straps only. Combined wrist strap and footwear testers will verify your wrist straps AND footwear.
Bondline has a whole range of wrist strap testing instruments available to purchase on their website. Many of their testers are UK manufactured and can be uniquely customised, which makes Bondline second to none!
Personnel grounding testers can be purchased in two configurations:
If you are using a flooring / footwear system as an alternative for standing or mobile workers, ESD footwear should be tested independently at least daily while being worn. Proper testing of foot grounders involves the verification of:
In addition to what the testers verify, you will also be faced with a wide range of devices differing in how they test. Below you will see a (by no means complete) list of options:
Below, you can find a list of the types of wrist strap and footwear testers available in the market.
A simple, handheld, portable wrist strap tester, great for checking the continuity of fitted wrist straps and cords. If you’re looking for a standard tester to quickly test your wrist strap and cord with no fuss, the wrist strap tester is the best option to pick. Bondline’s wrist strap tester has a banana socket and a 10mm stud. It has a single test range of 0.75 meg-ohm to 35 meg-ohm, however other resistance values can be incorporated on request. A 9V battery is required before use. Bondline’s wrist strap testers can also have bespoke customisation if required.
Wall-mounted wrist strap test stations are units for checking the continuity of fitted wrist-straps and cords. Being wall-mounted, the wrist strap test station provides ease of use for the user and allows the workplace to create a defined area for wrist strap testing. Bondline’s ‘WST2 Unit’ is supplied with the WST1 meter, wall mounting board, 6-inch cord (0 megohms) and 9V battery. The WST1 meter that is supplied with the station has a single test range of 0.75 meg-ohm to 35 meg-ohm, however alternate resistance ranges can be requested.
Footwear or wrist-strap test stations are wall-mounted units that check the continuity of fitted wrist-straps and cords, fitted ESD shoes, heel straps or toe grounders. The footplate that is supplied with the station, can be laid onto the floor accordingly to test a user’s ESD footwear continuity. To test the footwear, one foot should be placed onto the footplate at a time. Bondline’s footwear/wrist-strap test station is supplied with a WST1 test meter, wall mounting board, 6-inch cord (0 meg ohm), 6ft cord (0 meg ohm), footplate and 9V battery. A suitable tester to select if your static sensitive environment (EPA) has an ESD flooring system and requires foot grounding.
Tester Calibration Units are generally designed to simplify the process of calibrating wrist-strap testers – with Bondline’s unit, it specifically tests WST1/2/3. Simple and easy to use, 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. Light and audible signals verify results on the unit you are testing.
The wall-mounted ‘Dual Footwear and Wrist-Strap Test Station Unit’ checks the continuity of fitted wrist-straps and cords, fitted ESD shoes, heel straps or toe grounders. This combination tester gives the user the ability not only to test their wrist strap but also their footwear (both feet) at the same time. There are 3 settings, ‘wrist strap only test’, ‘footwear only test’ and also the ‘dual test feature’ where you can test your wrist strap and footwear at the same time. A suitable tester to select if your static sensitive environment (EPA) has an ESD flooring system and requires foot grounding.
A unique, compact tester that fits under your workbench and constantly connects the user to Earth via the 10mm Stud or 4mm Banana Socket when your wrist strap is connected to the unit. The ‘E4 Sure’ checks that your wrist strap is correctly working and simultaneously confirms the Earth is present. This ensures that you are working in accordance with the IEC 61340-5 specifications. A great choice for those who want extra security to be assured they are continuously connected to Earth.
The ‘Work-Check’ Test Instrument is straightforward to use, and it is very effective for checking many functional features of ESD workstations. It also comes with an additional benefit of being able to have customised printing or logo’s added if desired.
With many of Bondline’s ESD testing products, we are able to offer private labelling, custom logos and colours on request for our wrist strap testers. Additionally, we can also provide our test equipment, including our wrist strap testers, with specific ranges to conform to many standards in the electronics industry. If you would like a custom-made ESD testing product, please enquire with Bondline.
For an easy user guide on using our wrist-strap and footwear testers and ESD work checker correctly, watch our videos below.
Are you in the market for wrist strap testers and other ESD-safe equipment?
Browse through Bondline for a wide selection of wrist strap testers! If you have any questions about our products or what works best for your purposes, do not hesitate to give us a call. We hope to hear from you soon!
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