JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Electrical Personal Protection Equipment Requirements and OSHA Regulations   JM Test Systems is concerned about you and your employees’ safety. We have provided these helpful links to assist you with the various standards and regulations on PPE. Why and When to Test Electrical Personal Protection Equipment PPE: Industry standards and regulations: OSHA 29 CFR 1910 … Continue reading "Electrical Per...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • What to Look for and What You Can Do to Prevent Arc Accidents From Occuring Insulating Rubber Gloves In no cirmcumstance shall repairs be made to insulating gloves in the field. What to look for: Chemical Attack Swelling caused by oils and other pertroleum compounds. Snags Damage shown here is due to wood and metal … Continue reading "Insulating Glove Upkeep and Maintaining Your Gloves" The post I...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Join us at our annual Vendor Trade Show in Louisiana! Come meet with JM personnel and the manufactures of the best equipment in the industry. In addition, we are offering Electrical Safety Training Courses at 3 different times throughout the day. Sign-up today! To learn more about the Electrical Safety Training Seminar Click Here  Date: … Continue reading "2018 LA Vendor Trade Show" The post 2018 ...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Take advantage of FLIR/Extech Promotions through the end of the Year. Promo #1 – Bonus Buys Spend $200 or more on FLIR products and get rewarded! Good through December 31, 2017. Click Here for More Details Promo #2 – Upgrade and Save Save up to 30% on select FLIR Test and Measurement Products. Good through … Continue reading "Q4 FLIR/Extech Promotions" The post Q4 FLIR/Extech Promotions appeared f...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post

Q4 Greenlee Promotions

  • Take Advantage of Greenlee End of the Year Promotions! Promo 1 – Make an Impact Buy any Impact Wrench and Recieve a FREE Nut Runner and Naileater. Valid until December 31, 2017. Click Here for Details Promo 2 – Trim Your Costs Buy any Long Reach Saw and Recieve a FREE Hose and Couplers. Valid … Continue reading "Q4 Greenlee Promotions" The post Q4 Greenlee Promotions appeared first on JM Test Syst...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • A process plant can be a harsh environment; as a result, devices will occasionally need to be returned to the shop for evaluation, repair, or configuration. Unfortunately, connecting to a device in the shop to check configuration and functionality is a cumbersome process that eats up valuable man-hours. To evaluate a device in the shop, … Continue reading "The Cluttered Workshop and the Emerson Tr...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • There are two types of clothing to which this discussion applies; one known as Flame Resistant (FR) and the other known as Arc Rated (AR). The difference is significant. All AR clothing (ARC) is FR rated, but not all FR clothing (FRC) is AR rated. The two types have different standards to which they must … Continue reading "What is the life expectancy of arc-rated protective clothing?" The post Wh...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Troubleshooting pH Instruments using a PIE Calibrator Instruments that measure pH are some of the most difficult devices to maintain in a process plant. While temperature, frequency & pressure sensors, under the right conditions, measure for years, the pH sensors require regular maintenance and replacement. Many technicians get frustrated when there is a problem with … Continue reading "Troublesho...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Monitoring and tracking the status of equipment in the field is an essential part of day-to-day plant operation. Field technicians are the eyes and ears of the plant, whether they are investigating a known issue or are simply monitoring assets during regular rounds. From asset management software to field tools, everything should work together seamlessly … Continue reading "Fix It When You Find It...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • There are a wide variety of ground resistance testers available on them market today. These vary in design, features, and complexity, and include small handheld models as well as larger field instruments that are often packaged as part of a complete kit. These products also range in price, from few hundred up to several thousand … Continue reading "Choosing the Right Ground Resistance Tester" The ...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Valve health inevitably degrades over time. The parts move, resulting in wear. However, valves don’t usually fail without warning, providing technicians have the tools to identify these warning signs. To give technicians comprehensive control to solve valve issues, they need to have constant, easy access to advanced valve diagnostics in the field. Using ValveLink™ Mobile … Continue reading "Simpli...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • When adding new loads to an existing electrical service or set of feeders, the first thing to determine is whether the existing system is capable of supporting the new loads. In other words, what is the highest load the system carries? What you need to know To determine existing equipment capacity, factor in the incoming … Continue reading "5 Key Steps to Perform a 30-day Load Study with Fluke Pow...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Eliminate the Risk of Dangerous Sparks Salisbury by Honeywell is proud to introduce a new line of Non-Sparking and Non-Magnetic Insulated Hand Tools and Tool Kits. These new additions to the Salisbury Insulated Hand Tool family are manufactured from special Aluminum- Bronze and Copper-Beryllium alloys. For safe use in areas where hazardous, flammable, or combustible … Continue reading "Non-Sparkin...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Digital Meter Provides Better Accuracy Use the Hastings 6702 Digital Voltage Phase Meter to make sure you have voltage on both sides of power line switches/cutout fuses and check all the phases.  With the digital readout you see the small differences in the voltage reading.  Both sides of the cutout fuses should read zero volts but … Continue reading "Digital Voltage Phasing Meter Part 2 – Phasing...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Important Keys to Ensure Worker Safety No matter how good the equipment, there is always a chance of an arc flash occurring when an electrician works on switchgear or even just turns it on. Temperatures of an arc flash can reach upwards of 35,000 degrees in less than a second, burning a person directly or … Continue reading "Updated Requirements for Personal Protective Equipment(PPE)" The post Upd...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • 0-40KV Digital Volt Meter for Phasing Circuits The Hastings 6702 Digital Voltage Phasing Meter consists of high voltage resistors encapsulated inside two fiberglass housings. These resistors are connected together with a coiled cord. A digital display is attached to one of the encapsulated resistor housings. Attach each encapsulated resistor to a hot stick of appropriate length for … Continue read...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Arc Flash Hazards and the Electrical Thermographer The goal of any electrical thermographer is to prevent unplanned shutdowns in a manner that is reliable, repeatable and above all safe. Since thermographers work with the target equipment online and on load coupled with the fact that IR Cameras cannot “see” through panel covers, thermographers face severe … Continue reading "Electrical Safety in t...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Abstract In this white paper we are going to cover the basics on HART communications and the diagnostic capability of the Martel LC-110H mA (loop) calibrator. Exactly what is HART Communication? In today’s process plants, most new field instruments are smart digital instruments. The most common class of smart instruments incorporates the HART protocol, with … Continue reading "Using HART Protocol ...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • NFPA 70E – The Safety Standard NFPA 70E defines the safe parameters for personnel working on electrical equipment. Although adherence is not a legal requirement, the standard provides a benchmark for most industries to demonstrate compliance with OSHA’s General Duty clause. An employer adopting the guidelines offered in NFPA 70E demonstrates a clear commitment to … Continue reading "Electrical Saf...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Keep Gas in the Tank Conserve compressed gas by venting only the gas that needs to be vented in a device under test and nothing more……. Brass and Stainless Steel, 3000 psi & 5000 psi working pressure NPT, male & female quick-test fittings Ralston Block and Bleed Valves are an excellent accessory for doing pressure … Continue reading "Ralston Block and Bleed Valves Make Your Gas Last Longer" The po...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Concerned About Arc-Flash and Electric Shock? Electrocution is the obvious danger faced by anyone working on or near live electrical equipment and it is clearly important to understand shock hazards and wear appropriate protection. However, most electrical accidents are not the result of direct electric shocks. A particularly hazardous type of shorting fault—an arc fault— … Continue reading "Elect...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post

Is My AC Rotor Bad?

  • Can I Rule it In or Out as the Cause of Failure? Rotor bar problems are infrequent, in most applications. But, when they occur, they are easy to overlook.  A lot of time is wasted on diagnosis when a rotor bar issue is not obvious.  The guesswork about rotor bars being good or bad can … Continue reading "Is My AC Rotor Bad?" The post Is My AC Rotor Bad? appeared first on JM Test Systems.

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Understanding the Technology A Laser Distance Meter sends a pulse of laser light to the target and measures the time it takes for the reflection to return. For distances up to 30m, the accuracy is ±3mm. On-board processing allows the device to add, subtract, calculate areas and volumes and to triangulate. You can measure distances … Continue reading "Why use a Laser Distance Meter" The post Why us...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Cable Loss Effect on System Return Loss The insertion loss of the cable needs to be taken into consideration when making system return loss measurements using portable cable and antenna analyzers like the Anritsu Site Master S331E & S332E. The picture below(picture 4) illustrates how the cable loss changes the perceived antenna performance. The antenna … Continue reading "Understanding Cable & Ant...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • The Out of Tolerance Solution We had two BK4010A generators in for calibration in the JM Test Alexandria Lab recently, and all parameters except one were well in tolerance.  The out of tolerance condition was the Voltage Controlled Generator(VCG) frequency section of the verification. Briefly, the verification consists of the following: Set the Frequency Range … Continue reading "CALIBRATION TECH ...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • MultiRAE portable multi-threat monitors combine best-in-class gas and radiation detection capabilities with wireless connectivity and Man Down Alarm to help elevate the safety of workers and responders, and reduce facility downtime. MultiRAE Family Instruments MultiRAE Pro multi-threat chemical and radiation detectors MultiRAE six-gas monitors with advanced volatile organic compound (VOC) detectio...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Introduction The cable and antenna system plays a crucial role of the overall performance of a Base Sta­tion system. Degradations and failures in the antenna system may cause poor voice quality or dropped calls. From a carrier standpoint, this could eventually result in loss of revenue. While a problematic base station can be replaced, a … Continue reading "Understanding Cable & Antenna Analysis P...

JM Test Systems, Inc.
JM Test Systems, Inc.
Blog Post
  • Application A pipeline integrity services company needed to accurately test the hysteresis1 of the pressure switches used to control their pigging systems. We will show how using a Druck DPI 802 pressure indicator/loop calibrator is an improvment over previous testing methods and pipeline testing equipment. Background This company offers a variety of services to assist … Continue reading "Validati...

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