The Replaceable Three Legged MOV

August 21, 2014

The NTM Tech Center continues to improve the PV solar electric equipment we supply to missionaries around the world. Part of this improvement includes incorporating new technology into existing products. Metal-oxide varistors (MOVs) have long been the mainstay of lightning protection. MOV’s act like very fast acting switches. When the voltage across them exceeds their […]

Buying Batteries In-Country

August 12, 2013

The NTM Tech Center has been approached on several occasions to recommend batteries that can be purchased in-country. This is nearly an impossible task. Depending on the country, there may be a hundred different possibilities. Many batteries come from countries that do not follow the same testing, design, or quality control procedures that US, Canadian […]

Generator Procedures to Prevent Surge Damage

August 5, 2013

We have recently had several cases of equipment being damaged while being used on backup generators. Power equipment needs its full rated voltage all of the time, any time the voltage is outside of this range, damage can occur. When a generator is starting and coming to a stop, the output voltage will be erratic.Simply […]

Generator Problems (specifically Honda EU)

April 29, 2013

We have been receiving a few emails about the Honda EU generators giving people problems, everything from erratic idling to not starting at all. Some people have found that running the generator with the choke partially open or by turning off the echo throttle has helped some, however this is not a long term solution. […]

NTM Tech Center DC Ceiling Fan Issue

April 28, 2011

The NTM Tech Center has received one report of an NTM Tech Center DC ceiling fan’s mounting brackets breaking and the ceiling fan falling to the floor. This could create a hazardous situation. The root cause of this is excessive vibration causing a weakening of the support brackets over an extended period of time. A […]

MOV’s have a life too…

April 28, 2011

MOV’s (Metal Oxide Varistor) are the round magical devices that the NTM Tech Center puts in many of our products.They are great at helping to minimize surges from induced lightning voltages, and other surges. Their use has helped to preserve the life of many electronic devices. However they are not without their limitations! MOV’s will […]